Warning as error for Windows (#13291)

* parent 6e7016ccda
author Ilya Churaev <ilya.churaev@intel.com> 1664281499 +0400
committer Ilya Churaev <ilya.churaev@intel.com> 1664510018 +0400

Fixed warnings on local machine

* Added CMAKE_COMPILE_WARNING_AS_ERROR usage

* Fixed style

* Fixed merge conflicts

* Fixed typo

* Fixed myriad build for macOS

* Fixed warning

* Fixed tests

* Disabled incorrect test

* Try to fix linux tests

* Revert "Try to fix linux tests"

This reverts commit 29224c93ff.

* Fixed tests

* Revert logic with incorrect cast

* Fixed log softmax

* Disable warning as error for cuda

* Try to fix inference_engine_s

* Fixed cmake

* Revert "Fixed cmake"

This reverts commit 87e9e4e674.

* Revert "Try to fix inference_engine_s"

This reverts commit a1adca8b05.

* WA for static symbols in inference_engine_s test library

* Fixed code style

* Fixed static definition for master

* Revert "Fixed static definition for master"

This reverts commit 20d00d215a.

* Revert "Fixed code style"

This reverts commit 0eb2362543.

* Revert "WA for static symbols in inference_engine_s test library"

This reverts commit 75ef86a79d.

* Fixed linker issue for Windows

* Disable WaE by default

* Disable warning as error in the developer package

* Try to fix dev package

* Try to fix Windows Jenkins

* Revert old behavior for tread_warn_as_err variable

.ci/azure/android_arm64.yml

@@ -120,6 +120,7 @@ jobs:
         -DVERBOSE_BUILD=ON
         -DCMAKE_BUILD_TYPE=$(BUILD_TYPE)
         -DCMAKE_TOOLCHAIN_FILE=$(ANDROID_TOOLS)/ndk-bundle/build/cmake/android.toolchain.cmake
+        -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
         -DANDROID_ABI=$(ANDROID_ABI_CONFIG)
         -DANDROID_STL=c++_shared
         -DANDROID_PLATFORM=$(ANDROID_SDK_VERSION)

.ci/azure/linux.yml

@@ -177,6 +177,7 @@ jobs:
         -GNinja
         -DVERBOSE_BUILD=ON
         -DCMAKE_BUILD_TYPE=$(BUILD_TYPE)
+        -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
         -DENABLE_PYTHON=ON
         -DBUILD_SHARED_LIBS=$(CMAKE_BUILD_SHARED_LIBS)
         -DENABLE_ONEDNN_FOR_GPU=$(CMAKE_BUILD_SHARED_LIBS)

.ci/azure/linux_arm64.yml

@@ -139,6 +139,7 @@ jobs:
       cmakeArgs: >
         -GNinja
         -DVERBOSE_BUILD=ON
+        -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
         -DOpenCV_DIR=$(INSTALL_OPENCV)/cmake
         -DPYTHON_INCLUDE_DIRS=$(INSTALL_PYTHON)/include/python3.8
         -DPYTHON_LIBRARY=$(INSTALL_PYTHON)/lib/libpython3.8.so

.ci/azure/linux_conditional_compilation.yml

@@ -88,6 +88,7 @@ jobs:
       cmakeArgs: >
         -GNinja
         -DVERBOSE_BUILD=ON
+        -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
         -DCMAKE_BUILD_TYPE=$(BUILD_TYPE)
         -DENABLE_FASTER_BUILD=ON
         -DENABLE_PROFILING_ITT=ON

.ci/azure/linux_cuda.yml

@@ -122,7 +122,6 @@ jobs:
       -DVERBOSE_BUILD=ON
       -DCMAKE_BUILD_TYPE=$(BUILD_TYPE)
       -DIE_EXTRA_MODULES=/root/repos/openvino_contrib/modules
-      -DNGRAPH_ONNX_IMPORT_ENABLE=OFF
       -DENABLE_MKL_DNN=OFF
       -DENABLE_CLDNN=OFF
       -DENABLE_VPU=OFF

.ci/azure/linux_debian.yml

@@ -155,6 +155,7 @@ jobs:
         -GNinja
         -DVERBOSE_BUILD=ON
         -DCMAKE_BUILD_TYPE=$(BUILD_TYPE)
+        -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
         -DENABLE_PYTHON=ON
         -DENABLE_OPENCV=OFF
         -DPYTHON_EXECUTABLE=/usr/bin/python3.8

.ci/azure/linux_onnxruntime.yml

@@ -104,6 +104,7 @@ jobs:
       cmakeArgs: >
         -GNinja
         -DCMAKE_BUILD_TYPE=$(BUILD_TYPE)
+        -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
         -DENABLE_PYTHON=ON
         -DPYTHON_EXECUTABLE=/usr/bin/python3.8
         -DENABLE_INTEL_MYRIAD_COMMON=OFF

.ci/azure/mac.yml

@@ -117,6 +117,7 @@ jobs:
       cmake -GNinja -DVERBOSE_BUILD=ON \
         -DENABLE_REQUIREMENTS_INSTALL=OFF \
         -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) \
+        -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
         -DENABLE_PYTHON=ON \
         -DENABLE_TESTS=OFF \
         -DENABLE_STRICT_DEPENDENCIES=OFF \

.ci/azure/windows.yml

@@ -156,6 +156,7 @@ jobs:
         -DENABLE_FASTER_BUILD=ON ^
         -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) ^
         -DENABLE_TESTS=ON ^
+        -DCMAKE_COMPILE_WARNING_AS_ERROR=ON ^
         -DENABLE_STRICT_DEPENDENCIES=OFF ^
         -DENABLE_PYTHON=ON ^
         -DBUILD_nvidia_plugin=OFF ^

.ci/azure/windows_conditional_compilation.yml

@@ -78,7 +78,7 @@ jobs:
 
   - script: |
       set PATH=$(WORK_DIR)\ninja-win;%PATH%
-      call "$(MSVS_VARS_PATH)" && cmake -GNinja -DENABLE_FASTER_BUILD=ON -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -DENABLE_PROFILING_ITT=ON -DSELECTIVE_BUILD=COLLECT -DCMAKE_C_COMPILER:PATH="$(MSVC_COMPILER_PATH)" -DCMAKE_CXX_COMPILER:PATH="$(MSVC_COMPILER_PATH)" $(REPO_DIR)
+      call "$(MSVS_VARS_PATH)" && cmake -GNinja -DENABLE_FASTER_BUILD=ON -DCMAKE_COMPILE_WARNING_AS_ERROR=ON -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -DENABLE_PROFILING_ITT=ON -DSELECTIVE_BUILD=COLLECT -DCMAKE_C_COMPILER:PATH="$(MSVC_COMPILER_PATH)" -DCMAKE_CXX_COMPILER:PATH="$(MSVC_COMPILER_PATH)" $(REPO_DIR)
     workingDirectory: $(BUILD_DIR)
     displayName: 'CMake'
 

cmake/developer_package/compile_flags/os_flags.cmake

@@ -264,12 +264,9 @@ if(WIN32)
     ie_add_compiler_flags(/Gy) # remove unreferenced functions: function level linking
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LARGEADDRESSAWARE")
 
-    if (TREAT_WARNING_AS_ERROR)
+    if (CMAKE_COMPILE_WARNING_AS_ERROR)
         if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
-            ie_add_compiler_flags(/WX)
             ie_add_compiler_flags(/Qdiag-warning:47,1740,1786)
-        elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-           # ie_add_compiler_flags(/WX) # Too many warnings
         endif()
     endif()
 
@@ -310,12 +307,6 @@ if(WIN32)
     string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
     string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
 else()
-    # TODO: enable for C sources as well
-    # ie_add_compiler_flags(-Werror)
-    if(TREAT_WARNING_AS_ERROR)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
-    endif()
-
     ie_add_compiler_flags(-ffunction-sections -fdata-sections)
     ie_add_compiler_flags(-fdiagnostics-show-option)
     ie_add_compiler_flags(-Wundef)

cmake/developer_package/features.cmake

@@ -17,13 +17,17 @@ else()
     ie_option(USE_BUILD_TYPE_SUBFOLDER "Create dedicated sub-folder per build type for output binaries" ON)
 endif()
 
-# FIXME: ARM cross-compiler generates several "false positive" warnings regarding __builtin_memcpy buffer overflow
-if(X86 OR X86_64)
+if(CI_BUILD_NUMBER)
     set(TREAT_WARNING_AS_ERROR_DEFAULT ON)
 else()
     set(TREAT_WARNING_AS_ERROR_DEFAULT OFF)
 endif()
-ie_option (TREAT_WARNING_AS_ERROR "Treat build warnings as errors" ${TREAT_WARNING_AS_ERROR_DEFAULT})
+
+ie_dependent_option (TREAT_WARNING_AS_ERROR "WILL BE REMOVED SOON, NEED TO FIX PRIVATE COMPONENTS" ON "X86_64 OR X86" OFF)
+
+if(NOT DEFINED CMAKE_COMPILE_WARNING_AS_ERROR)
+    set(CMAKE_COMPILE_WARNING_AS_ERROR ${TREAT_WARNING_AS_ERROR_DEFAULT})
+endif()
 
 ie_dependent_option (ENABLE_INTEGRITYCHECK "build DLLs with /INTEGRITYCHECK flag" OFF "CMAKE_CXX_COMPILER_ID STREQUAL MSVC" OFF)
 

cmake/templates/InferenceEngineDeveloperPackageConfig.cmake.in

@@ -31,6 +31,11 @@ message(" ")
 # for samples in 3rd party projects
 set_and_check(gflags_DIR "@gflags_BINARY_DIR@")
 
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+    # Disable warning as error for private components
+    set(CMAKE_COMPILE_WARNING_AS_ERROR OFF)
+endif()
+
 #
 # Content
 #

cmake/templates/OpenVINODeveloperPackageConfig.cmake.in

@@ -29,6 +29,11 @@ message(" ")
 # for samples in 3rd party projects
 set_and_check(gflags_DIR "@gflags_BINARY_DIR@")
 
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+    # Disable warning as error for private components
+    set(CMAKE_COMPILE_WARNING_AS_ERROR OFF)
+endif()
+
 #
 # Content
 #

docs/snippets/ov_preprocessing.cpp

@@ -23,7 +23,7 @@ ppp.input("input").preprocess().mean(128).scale(127);
 ppp.input("input").model().set_layout("NCHW"); // N=1, C=3, H=224, W=224
 // Mean/Scale has 3 values which matches with C=3
 ppp.input("input").preprocess()
-  .mean({103.94, 116.78, 123.68}).scale({57.21, 57.45, 57.73});
+  .mean({103.94f, 116.78f, 123.68f}).scale({57.21f, 57.45f, 57.73f});
 //! [ov:preprocess:mean_scale_array]
 
 //! [ov:preprocess:convert_element_type]
@@ -186,8 +186,8 @@ void save_example() {
         .convert_element_type()
         .convert_color(ov::preprocess::ColorFormat::RGB)
         .resize(ov::preprocess::ResizeAlgorithm::RESIZE_LINEAR)
-        .mean({123.675, 116.28, 103.53}) // Subtract mean after color conversion
-        .scale({58.624, 57.12, 57.375});
+        .mean({123.675f, 116.28f, 103.53f}) // Subtract mean after color conversion
+        .scale({58.624f, 57.12f, 57.375f});
  // Dump preprocessor
  std::cout << "Preprocessor: " << prep << std::endl;
  model = prep.build();

samples/cpp/CMakeLists.txt

@@ -45,16 +45,16 @@ set (CMAKE_COMPILE_PDB_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
 set (CMAKE_PDB_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
 set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
 
+if(TREAT_WARNING_AS_ERROR AND NOT DEFINED CMAKE_COMPILE_WARNING_AS_ERROR)
+    set(CMAKE_COMPILE_WARNING_AS_ERROR ON)
+endif()
+
 if (WIN32)
     set_property (DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS _CRT_SECURE_NO_WARNINGS)
     set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_SCL_SECURE_NO_WARNINGS")
     set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc") # no asynchronous structured exception handling
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LARGEADDRESSAWARE")
 
-    if (TREAT_WARNING_AS_ERROR)
-        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /WX") # treating warnings as errors
-    endif ()
-
     if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
         set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Qdiag-disable:177")
     endif()
@@ -64,11 +64,6 @@ if (WIN32)
         set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4251 /wd4275 /wd4267 /wd4819")
     endif()
 else()
-    # treating warnings as errors
-    if(TREAT_WARNING_AS_ERROR)
-        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
-    endif()
-
     if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
         set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -diag-disable:177")
     endif()

src/bindings/c/src/ie_c_api.cpp

@@ -1437,7 +1437,7 @@ IEStatusCode ie_infer_request_set_batch(ie_infer_request_t* infer_request, const
     }
 
     try {
-        infer_request->object.SetBatch(size);
+        infer_request->object.SetBatch(static_cast<int>(size));
     }
     CATCH_IE_EXCEPTIONS
 
@@ -1641,7 +1641,7 @@ IEStatusCode ie_blob_size(ie_blob_t* blob, int* size_result) {
         return status;
     }
 
-    *size_result = blob->object->size();
+    *size_result = static_cast<int>(blob->object->size());
 
     return status;
 }
@@ -1654,7 +1654,7 @@ IEStatusCode ie_blob_byte_size(ie_blob_t* blob, int* bsize_result) {
         return status;
     }
 
-    *bsize_result = blob->object->byteSize();
+    *bsize_result = static_cast<int>(blob->object->byteSize());
 
     return status;
 }

src/bindings/python/src/compatibility/openvino/inference_engine/ie_api_impl.cpp

@@ -688,5 +688,5 @@ void InferenceEnginePython::CVariableState::setState(InferenceEngine::Blob::Ptr
 }
 
 const size_t InferenceEnginePython::product(const InferenceEngine::SizeVector& dims) {
-    return std::accumulate(dims.begin(), dims.end(), 1, std::multiplies<size_t>{});
+    return std::accumulate(dims.begin(), dims.end(), size_t(1), std::multiplies<size_t>{});
 }

src/common/legacy/src/net_pass.cpp

@@ -438,16 +438,16 @@ bool convertToRNNSeq(CNNLayerPtr cur, const N& net) {
         return indx == scope.size() ? -1 : indx;
     };
 
-    int in_dt_idx = _indx_in(ti->body.inputs, rsp1->insData[0].lock());
-    int in_hs_idx = _indx_in(ti->body.inputs, cell->insData[1].lock());
-    int in_cs_idx = NS == 2 ? _indx_in(ti->body.inputs, cell->insData[2].lock()) : -1;
+    int in_dt_idx = static_cast<int>(_indx_in(ti->body.inputs, rsp1->insData[0].lock()));
+    int in_hs_idx = static_cast<int>(_indx_in(ti->body.inputs, cell->insData[1].lock()));
+    int in_cs_idx = NS == 2 ? static_cast<int>(_indx_in(ti->body.inputs, cell->insData[2].lock())) : -1;
 
-    int out_dt_idx = _indx_in(ti->body.outputs, rsp2->outData[0]);
-    int out_hs_idx = _indx_in(ti->body.outputs, cell->outData[0]);
-    int out_cs_idx = NS == 2 ? _indx_in(ti->body.outputs, cell->outData[1]) : -1;
+    int out_dt_idx = static_cast<int>(_indx_in(ti->body.outputs, rsp2->outData[0]));
+    int out_hs_idx = static_cast<int>(_indx_in(ti->body.outputs, cell->outData[0]));
+    int out_cs_idx = NS == 2 ? static_cast<int>(_indx_in(ti->body.outputs, cell->outData[1])) : -1;
 
     // indexes should be [0,1,2] : sum == 3 or [0,1,-1] : sum == 0
-    int sum = (NS - 1) * 3;
+    int sum = (static_cast<int>(NS) - 1) * 3;
     if (in_hs_idx + in_cs_idx + in_dt_idx != sum || out_hs_idx + out_cs_idx + out_dt_idx != sum) return false;
 
     std::map<int, TensorIterator::PortMap> i2map, o2map, be2map;
@@ -1381,7 +1381,7 @@ void convertArrayPrecision(typename PrecisionTrait<PREC_TO>::value_type* dst,
     using dst_type = typename PrecisionTrait<PREC_TO>::value_type;
 
     for (size_t i = 0; i < nelem; i++) {
-        dst[i] = PrecisionUtils::saturate_cast<dst_type>(src[i]);
+        dst[i] = PrecisionUtils::saturate_cast<dst_type>(static_cast<dst_type>(src[i]));
     }
 }
 

src/common/low_precision_transformations/src/move_fake_quantize.cpp

@@ -86,7 +86,8 @@ bool MoveFakeQuantize::transform(TransformationContext& context, ngraph::pattern
     const auto concat_axis = concat_node->get_concatenation_axis();
     for (size_t i = 0; i < 4; i++) {
         curr_constants[i] = as_type_ptr<opset1::Constant>(fq->get_input_node_shared_ptr(i + 1));
-        if (!multi_chanels && curr_constants[i]->get_shape().size() > concat_axis && curr_constants[i]->get_shape()[concat_axis] != 1) {
+        if (!multi_chanels && concat_axis >= 0 && curr_constants[i]->get_shape().size() > static_cast<size_t>(concat_axis)
+            && curr_constants[i]->get_shape()[concat_axis] != 1) {
             multi_chanels = true;
         }
     }

src/common/low_precision_transformations/src/network_helper.cpp

@@ -1066,7 +1066,7 @@ std::tuple<std::shared_ptr<Node>, std::shared_ptr<Node>> NetworkHelper::decompos
             fq->get_levels(),
             fq->get_auto_broadcast()),
         true,
-        outChannelsShapeIndex);
+        static_cast<int>(outChannelsShapeIndex));
     NetworkHelper::copyInfo(fq, newFQ);
 
     std::shared_ptr<ngraph::Node> convert2;
@@ -1804,7 +1804,7 @@ std::vector<std::vector<std::shared_ptr<ngraph::opset1::Constant>>> NetworkHelpe
     auto number_of_concat_inputs = concat->get_input_size();
     const auto concatNode = as_type_ptr<opset1::Concat>(concat);
     const auto concat_axis = concatNode->get_concatenation_axis();
-    std::vector<unsigned int> shape_axis(number_of_concat_inputs);
+    std::vector<int64_t> shape_axis(number_of_concat_inputs);
     for (size_t i{ 0 }; i < number_of_concat_inputs; ++i) {
         auto shape = concat->get_input_partial_shape(i);
         shape_axis[i] = shape[concat_axis].get_length();

src/common/low_precision_transformations/src/pad.cpp

@@ -181,7 +181,7 @@ bool PadTransformation::canBeTransformed(const TransformationContext& context, s
                 }
 
                 if (padsBegin[i] != 0) {
-                    beginNonZeroIdx = i;
+                    beginNonZeroIdx = static_cast<int>(i);
                 }
             }
 
@@ -193,7 +193,7 @@ bool PadTransformation::canBeTransformed(const TransformationContext& context, s
                 }
 
                 if (padsEnd[i] != 0) {
-                    endNonZeroIdx = i;
+                    endNonZeroIdx = static_cast<int>(i);
                 }
             }
 

src/common/low_precision_transformations/src/reshape.cpp

@@ -118,7 +118,7 @@ void reshapeDequantizationConstant(const std::shared_ptr<opset1::Reshape>& resha
         const std::shared_ptr<Node> broadcastedConstant = getBCastedConst(originalConstant, dimensionsToBroadcast);
 
         std::vector<int> newReshapeConstValues(reshapeOutputRank.get_length(), 1ul);
-        newReshapeConstValues[1] = reshapeOutputPShape[1].get_length();
+        newReshapeConstValues[1] = static_cast<int>(reshapeOutputPShape[1].get_length());
         const std::shared_ptr<opset1::Constant> newReshapeConstant = std::make_shared<opset1::Constant>(
             element::i32,
             Shape({ newReshapeConstValues.size() }),

src/common/preprocessing/ie_preprocess_gapi_kernels_impl.hpp

@@ -64,7 +64,7 @@ template<> inline uint8_t saturate_cast(uint16_t x) {
 }
 template<> inline uint8_t saturate_cast(float x)    { return saturate_cast<uint8_t>(static_cast<int>(std::rint(x))); }
 
-template<> inline float saturate_cast(double x)     { return x; }
+template<> inline float saturate_cast(double x)     { return static_cast<float>(x); }
 //------------------------------------------------------------------------------
 
 constexpr static const int ONE = 1 << 15;

src/common/snippets/src/pass/assign_registers.cpp

@@ -93,7 +93,7 @@ bool ngraph::snippets::pass::AssignRegisters::run_on_model(const std::shared_ptr
 
     std::reverse(lifeIn.begin(), lifeIn.end());
     auto find_last_use = [lifeIn](int i) -> int {
-        int ln = lifeIn.size()-1;
+        int ln = static_cast<int>(lifeIn.size()) - 1;
         for (auto& x : lifeIn) {
             if (x.find(i) != x.end()) {
                 return ln;
@@ -104,7 +104,7 @@ bool ngraph::snippets::pass::AssignRegisters::run_on_model(const std::shared_ptr
     };
 
     for (size_t i = 0; i < stmts.size(); i++) {
-        live_intervals.insert(std::make_pair(i, find_last_use(i)));
+        live_intervals.insert(std::make_pair(static_cast<int>(i), find_last_use(static_cast<int>(i))));
     }
 
     // http://web.cs.ucla.edu/~palsberg/course/cs132/linearscan.pdf

src/common/transformations/src/transformations/common_optimizations/conv_to_binary_conv.cpp

@@ -93,7 +93,7 @@ ngraph::pass::ConvToBinaryConv::ConvToBinaryConv() {
                 conv->get_pads_end(),
                 conv->get_dilations(),
                 opset5::BinaryConvolution::BinaryConvolutionMode::XNOR_POPCOUNT,
-                -1,
+                -1.f,
                 conv->get_auto_pad());
             new_conv->set_friendly_name(conv->get_friendly_name());
             std::vector<int64_t> axes;
@@ -129,8 +129,9 @@ ngraph::pass::ConvToBinaryConv::ConvToBinaryConv() {
                                                         conv->get_pads_end(),
                                                         conv->get_dilations(),
                                                         opset5::BinaryConvolution::BinaryConvolutionMode::XNOR_POPCOUNT,
-                                                        0,
+                                                        0.f,
                                                         conv->get_auto_pad());
+
         new_conv->set_friendly_name(conv->get_friendly_name());
         copy_runtime_info(conv, new_conv);
         replace_node(conv, new_conv);

src/common/transformations/src/transformations/common_optimizations/depth_to_space_fusion.cpp

@@ -26,7 +26,8 @@ bool check_block_first(const ngraph::PartialShape& shape_input,
     }
 
     possible_block_size = shape_reshape_before[1].get_length();
-    ngraph::Dimension c_dim(shape_input[1].get_length() / std::pow(possible_block_size, spatial_dims));
+    ngraph::Dimension c_dim(
+        static_cast<int64_t>(shape_input[1].get_length() / std::pow(possible_block_size, spatial_dims)));
 
     // x' = reshape(data, [N, block_size, block_size, ..., block_size, C / (block_size ^ K), D1, D2, ..., DK])
     ngraph::PartialShape expected_shape = {shape_input[0]};
@@ -76,7 +77,8 @@ bool check_depth_first(const ngraph::PartialShape& shape_input,
     }
 
     possible_block_size = shape_reshape_before[2].get_length();
-    ngraph::Dimension c_dim(shape_input[1].get_length() / std::pow(possible_block_size, spatial_dims));
+    ngraph::Dimension c_dim(
+        static_cast<int>(shape_input[1].get_length() / std::pow(possible_block_size, spatial_dims)));
 
     // x' = reshape(data, [N, C / (block_size ^ K), block_size, block_size, ..., block_size, D1, D2, ..., DK])
     ngraph::PartialShape expected_shape = {shape_input[0], c_dim};

src/common/transformations/src/transformations/common_optimizations/gelu_fusion.cpp

@@ -49,9 +49,10 @@ ngraph::pass::GeluFusionWithErfOne::GeluFusionWithErfOne() {
             return false;
         }
 
-        bool valid_constant_values = op::util::has_constant_value<float>(div_const_value, M_SQRT2) &&
-                                     op::util::has_constant_value<float>(add_const_value, 1.0f) &&
-                                     op::util::has_constant_value<float>(mul_const_value, 0.5f);
+        bool valid_constant_values =
+            op::util::has_constant_value<float>(div_const_value, static_cast<float>(M_SQRT2)) &&
+            op::util::has_constant_value<float>(add_const_value, 1.0f) &&
+            op::util::has_constant_value<float>(mul_const_value, 0.5f);
 
         if (!valid_constant_values) {
             return false;
@@ -108,9 +109,10 @@ ngraph::pass::GeluFusionWithErfTwo::GeluFusionWithErfTwo() {
             return false;
         }
 
-        bool valid_constant_values = op::util::has_constant_value<float>(div_const_value, M_SQRT2) &&
-                                     op::util::has_constant_value<float>(add_const_value, 1.0f) &&
-                                     op::util::has_constant_value<float>(mul_const_value, 0.5f);
+        bool valid_constant_values =
+            op::util::has_constant_value<float>(div_const_value, static_cast<float>(M_SQRT2)) &&
+            op::util::has_constant_value<float>(add_const_value, 1.0f) &&
+            op::util::has_constant_value<float>(mul_const_value, 0.5f);
 
         if (!valid_constant_values) {
             return false;
@@ -167,9 +169,10 @@ ngraph::pass::GeluFusionWithErfThree::GeluFusionWithErfThree() {
             return false;
         }
 
-        bool valid_constant_values = op::util::has_constant_value<float>(div_const_value, M_SQRT2) &&
-                                     op::util::has_constant_value<float>(add_const_value, 1.0f) &&
-                                     op::util::has_constant_value<float>(mul_const_value, 0.5f);
+        bool valid_constant_values =
+            op::util::has_constant_value<float>(div_const_value, static_cast<float>(M_SQRT2)) &&
+            op::util::has_constant_value<float>(add_const_value, 1.0f) &&
+            op::util::has_constant_value<float>(mul_const_value, 0.5f);
 
         if (!valid_constant_values) {
             return false;

src/common/transformations/src/transformations/common_optimizations/remove_multi_subgraph_op_dangling_params.cpp

@@ -29,9 +29,9 @@ ov::pass::RemoveMultiSubGraphOpDanglingParams::RemoveMultiSubGraphOpDanglingPara
         const auto subgraphs_size = multi_subgraph_op->get_internal_subgraphs_size();
         to_remove_descriptors_indexes.resize(subgraphs_size);
         for (size_t body_idx = 0; body_idx < subgraphs_size; ++body_idx) {
-            auto& body_func = multi_subgraph_op->get_function(body_idx);
+            auto& body_func = multi_subgraph_op->get_function(static_cast<int>(body_idx));
             auto& body_params = body_func->get_parameters();
-            auto& body_in_descriptors = multi_subgraph_op->get_input_descriptions(body_idx);
+            auto& body_in_descriptors = multi_subgraph_op->get_input_descriptions(static_cast<int>(body_idx));
             // collect all descriptors which should be removed and reqired inputs
             for (size_t i = 0; i < body_in_descriptors.size(); ++i) {
                 auto& body_param = body_params[body_in_descriptors[i]->m_body_parameter_index];
@@ -57,7 +57,7 @@ ov::pass::RemoveMultiSubGraphOpDanglingParams::RemoveMultiSubGraphOpDanglingPara
             auto update_op_inputs_desc = [&subgraphs_size](const std::shared_ptr<op::util::MultiSubGraphOp>& op,
                                                            uint64_t removed_loop_idx) {
                 for (size_t body_idx = 0; body_idx < subgraphs_size; ++body_idx) {
-                    auto& descriptors = op->get_input_descriptions(body_idx);
+                    auto& descriptors = op->get_input_descriptions(static_cast<int>(body_idx));
                     for (auto& desc : descriptors) {
                         if (desc->m_input_index > removed_loop_idx) {
                             desc->m_input_index--;
@@ -67,8 +67,8 @@ ov::pass::RemoveMultiSubGraphOpDanglingParams::RemoveMultiSubGraphOpDanglingPara
             };
             // Remove dangling body params and input and update input descriptors
             for (size_t body_idx = 0; body_idx < subgraphs_size; ++body_idx) {
-                auto& body_in_descriptors = multi_subgraph_op->get_input_descriptions(body_idx);
-                auto& body_func = multi_subgraph_op->get_function(body_idx);
+                auto& body_in_descriptors = multi_subgraph_op->get_input_descriptions(static_cast<int>(body_idx));
+                auto& body_func = multi_subgraph_op->get_function(static_cast<int>(body_idx));
                 auto& body_params = body_func->get_parameters();
                 op::util::MultiSubGraphOp::MultiSubgraphInputDescriptionVector updated_body_in_descriptors;
                 for (size_t desc_idx = 0; desc_idx < body_in_descriptors.size(); ++desc_idx) {
@@ -93,7 +93,7 @@ ov::pass::RemoveMultiSubGraphOpDanglingParams::RemoveMultiSubGraphOpDanglingPara
                         updated_body_in_descriptors.emplace_back(body_in_descriptors[desc_idx]);
                     }
                 }
-                multi_subgraph_op->set_input_descriptions(body_idx, updated_body_in_descriptors);
+                multi_subgraph_op->set_input_descriptions(static_cast<int>(body_idx), updated_body_in_descriptors);
             }
             multi_subgraph_op->set_arguments(op_inputs);
         }

src/common/transformations/src/transformations/convert_precision.cpp

@@ -175,7 +175,9 @@ bool convert_precision(pass::PassBase& pass,
                 if (auto sub_graph_node = std::dynamic_pointer_cast<op::util::MultiSubGraphOp>(node)) {
                     size_t sub_graphs_num = sub_graph_node->get_internal_subgraphs_size();
                     for (size_t sub_graph_ind = 0; sub_graph_ind < sub_graphs_num; ++sub_graph_ind) {
-                        is_changed |= convert_function_precision(sub_graph_node->get_function(sub_graph_ind), true);
+                        is_changed |=
+                            convert_function_precision(sub_graph_node->get_function(static_cast<int>(sub_graph_ind)),
+                                                       true);
                     }
                 }
                 is_changed |= convert_node_input_precision(node);
@@ -241,7 +243,8 @@ precisions_set_t find_all_used_precisions(const std::shared_ptr<ngraph::Function
         if (auto sub_graph_node = std::dynamic_pointer_cast<ngraph::op::util::MultiSubGraphOp>(node)) {
             size_t sub_graphs_num = sub_graph_node->get_internal_subgraphs_size();
             for (size_t sub_graph_ind = 0; sub_graph_ind < sub_graphs_num; ++sub_graph_ind) {
-                auto sub_graph_precisions = find_all_used_precisions(sub_graph_node->get_function(sub_graph_ind));
+                auto sub_graph_precisions =
+                    find_all_used_precisions(sub_graph_node->get_function(static_cast<int>(sub_graph_ind)));
                 used_precisions.insert(sub_graph_precisions.begin(), sub_graph_precisions.end());
             }
         }

src/common/transformations/src/transformations/op_conversions/convert_mvn1_to_mvn6.cpp

@@ -27,7 +27,7 @@ ngraph::pass::ConvertMVN1ToMVN6::ConvertMVN1ToMVN6() {
         if (!input_rank.is_static()) {
             return false;
         }
-        int64_t start_axis = 1 + (!mvn_node->get_across_channels());
+        int64_t start_axis = 1 + static_cast<int64_t>(!mvn_node->get_across_channels());
         if (input_rank.get_length() <= start_axis) {
             return false;
         }
@@ -37,7 +37,7 @@ ngraph::pass::ConvertMVN1ToMVN6::ConvertMVN1ToMVN6() {
         auto mvn6_node = std::make_shared<ngraph::opset6::MVN>(input,
                                                                axes,
                                                                mvn_node->get_normalize_variance(),
-                                                               mvn_node->get_eps(),
+                                                               static_cast<float>(mvn_node->get_eps()),
                                                                ngraph::op::MVNEpsMode::OUTSIDE_SQRT);
 
         mvn6_node->set_friendly_name(mvn_node->get_friendly_name());

src/common/transformations/src/transformations/op_conversions/detection_output_downgrade.cpp

@@ -44,7 +44,7 @@ pass::ConvertDetectionOutput8ToDetectionOutput1::ConvertDetectionOutput8ToDetect
         attributes_v1.keep_top_k = attributes_v8.keep_top_k;
         attributes_v1.nms_threshold = attributes_v8.nms_threshold;
         attributes_v1.normalized = attributes_v8.normalized;
-        attributes_v1.num_classes = num_classes.get_length();
+        attributes_v1.num_classes = static_cast<int>(num_classes.get_length());
         attributes_v1.objectness_score = attributes_v8.objectness_score;
         attributes_v1.share_location = attributes_v8.share_location;
         attributes_v1.top_k = attributes_v8.top_k;

src/core/builder/src/builder/autobroadcast.cpp

@@ -301,7 +301,7 @@ Output<Node> legacy_broadcast_for_binary_operation(const Output<Node>& left,
     // Prepare new shape of right operand for broadcasting
     // Remove dimensions with length=1 from back
     auto new_right_shape = right_shape;
-    for (int dimension = new_right_shape.size() - 1; dimension >= 0; --dimension) {
+    for (int dimension = static_cast<int>(new_right_shape.size()) - 1; dimension >= 0; --dimension) {
         if (new_right_shape.at(dimension) == 1) {
             new_right_shape.pop_back();
         } else {

src/core/include/ngraph/op/util/op_annotations.hpp

@@ -27,7 +27,7 @@ public:
     virtual ~OpAnnotations() = default;
 
     void add_in_place_oi_pair(const struct oi_pair& oi) {
-        for (auto e : m_in_place_oi_pairs) {
+        for (const auto& e : m_in_place_oi_pairs) {
             if (e.input == oi.input || e.output == oi.output) {
                 throw ngraph_error("In_place hint conflicts with an existing entry");
             }

src/core/include/ngraph/util.hpp

@@ -25,6 +25,8 @@
 #include "ngraph/runtime/host_tensor.hpp"
 #include "ngraph/runtime/tensor.hpp"
 #include "ngraph/shape.hpp"
+#include "ngraph/type/element_type.hpp"
+#include "ngraph/type/element_type_traits.hpp"
 #include "openvino/core/enum_mask.hpp"
 
 namespace ov {
@@ -278,6 +280,14 @@ std::vector<T> read_vector(std::shared_ptr<ngraph::runtime::Tensor> tv) {
     return rc;
 }
 
+template <class T, ngraph::element::Type_t ET>
+std::vector<T> array_2_vector(typename ngraph::element_type_traits<ET>::value_type* data, size_t size) {
+    std::vector<T> result(size);
+    for (size_t i = 0; i < size; i++) {
+        result[i] = static_cast<T>(data[i]);
+    }
+    return result;
+}
 template <typename T>
 std::vector<T> host_tensor_2_vector(ngraph::HostTensorPtr tensor) {
     NGRAPH_CHECK(tensor != nullptr, "Invalid Tensor received, can't read the data from a null pointer.");
@@ -285,58 +295,58 @@ std::vector<T> host_tensor_2_vector(ngraph::HostTensorPtr tensor) {
     switch (tensor->get_element_type()) {
     case ngraph::element::Type_t::boolean: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::boolean>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::boolean>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::bf16: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::bf16>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::bf16>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::f16: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::f16>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::f16>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::f32: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::f32>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::f32>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::f64: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::f64>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::f64>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::i8: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::i8>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::i8>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::i16: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::i16>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::i16>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::i32: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::i32>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::i32>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::i64: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::i64>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::i64>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::u1:
         NGRAPH_CHECK(false, "u1 element type is unsupported");
         break;
     case ngraph::element::Type_t::u8: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::u8>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::u8>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::u16: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::u16>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::u16>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::u32: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::u32>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::u32>(p, tensor->get_element_count());
     }
     case ngraph::element::Type_t::u64: {
         auto p = tensor->get_data_ptr<ngraph::element::Type_t::u64>();
-        return std::vector<T>(p, p + tensor->get_element_count());
+        return array_2_vector<T, ngraph::element::Type_t::u64>(p, tensor->get_element_count());
     }
     default:
         NGRAPH_UNREACHABLE("unsupported element type");

src/core/include/ngraph/variant.hpp

@@ -47,9 +47,17 @@ template <typename VT>
 class OPENVINO_DEPRECATED("Please use ov::Any to store VT directly") VariantWrapper {};
 
 OPENVINO_SUPPRESS_DEPRECATED_START
+#if defined(_MSC_VER)
+#    pragma warning(push)
+// '__declspec(dllexport)' and 'extern' are incompatible on an explicit instantiation
+#    pragma warning(disable : 4910)
+#endif
 extern template class OPENVINO_API VariantImpl<std::string>;
 extern template class OPENVINO_API VariantImpl<int64_t>;
 extern template class OPENVINO_API VariantImpl<bool>;
+#if defined(_MSC_VER)
+#    pragma warning(pop)
+#endif
 
 template <>
 class OPENVINO_API VariantWrapper<std::string> : public VariantImpl<std::string> {

src/core/include/openvino/core/any.hpp

@@ -21,7 +21,7 @@
 #include "openvino/core/runtime_attribute.hpp"
 
 namespace InferenceEngine {
-class InferencePlugin;
+struct InferencePlugin;
 class ExecutableNetwork;
 }  // namespace InferenceEngine
 
@@ -627,7 +627,7 @@ class OPENVINO_API Any {
     };
 
     friend class ::ov::RuntimeAttribute;
-    friend class ::InferenceEngine::InferencePlugin;
+    friend struct ::InferenceEngine::InferencePlugin;
     friend class ::InferenceEngine::ExecutableNetwork;
     friend class ::ov::CompiledModel;
     friend class ::ov::RemoteContext;

src/core/include/openvino/core/preprocess/input_info.hpp

@@ -19,7 +19,7 @@ namespace preprocess {
 ///    - Model's input info, which is a final input's info after preprocessing (InputInfo::model)
 ///
 class OPENVINO_API InputInfo final {
-    class InputInfoImpl;
+    struct InputInfoImpl;
     std::unique_ptr<InputInfoImpl> m_impl;
     friend class PrePostProcessor;
 

src/core/include/openvino/core/preprocess/output_info.hpp

@@ -18,7 +18,7 @@ namespace preprocess {
 ///    - Postprocessing steps applied to user's input (OutputInfo::postprocess)
 ///    - User's desired output parameter information, which is a final one after preprocessing (OutputInfo::tensor)
 class OPENVINO_API OutputInfo final {
-    class OutputInfoImpl;
+    struct OutputInfoImpl;
     std::unique_ptr<OutputInfoImpl> m_impl;
     friend class PrePostProcessor;
 

src/core/include/openvino/core/preprocess/pre_post_process.hpp

@@ -24,7 +24,7 @@ namespace preprocess {
 ///
 /// \ingroup ov_model_cpp_api
 class OPENVINO_API PrePostProcessor final {
-    class PrePostProcessorImpl;
+    struct PrePostProcessorImpl;
     std::unique_ptr<PrePostProcessorImpl> m_impl;
 
 public:

src/core/reference/include/ngraph/runtime/reference/acos.hpp

@@ -13,7 +13,7 @@ namespace reference {
 template <typename T>
 void acos(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::acos(arg[i]);
+        out[i] = static_cast<T>(std::acos(arg[i]));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/acosh.hpp

@@ -13,14 +13,14 @@ namespace reference {
 template <typename T, typename std::enable_if<!std::is_integral<T>::value, bool>::type = true>
 void acosh(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::acosh(arg[i]);
+        out[i] = static_cast<T>(std::acosh(arg[i]));
     }
 }
 
 template <typename T, typename std::enable_if<std::is_integral<T>::value, bool>::type = true>
 void acosh(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::roundl(std::acosh(arg[i]));
+        out[i] = static_cast<T>(std::roundl(std::acosh(arg[i])));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/adaptive_avg_pool.hpp

@@ -20,7 +20,7 @@ inline size_t window_start(size_t idx, size_t arg_shape, size_t out_shape) {
     return idx * arg_shape / out_shape;
 }
 inline size_t window_end(size_t idx, size_t arg_shape, size_t out_shape) {
-    return ceil(static_cast<double>((idx + 1) * arg_shape) / out_shape);
+    return static_cast<size_t>(ceil(static_cast<double>((idx + 1) * arg_shape) / out_shape));
 }
 template <typename T>
 T avg_div(const T sum, size_t n) {
@@ -29,7 +29,7 @@ T avg_div(const T sum, size_t n) {
     if (std::is_same<T, int8_t>::value || std::is_same<T, uint8_t>::value) {
         return static_cast<T>(std::nearbyint(static_cast<float>(sum) / n));
     } else {
-        return sum / n;
+        return static_cast<T>(sum / n);
     }
 }
 

src/core/reference/include/ngraph/runtime/reference/adaptive_max_pool.hpp

@@ -21,8 +21,8 @@ void adaptive_max_pool_1d(const T* arg, T* out, IT* indices, size_t h_in, size_t
         auto to = arg + adaptive_pool::window_end(i, h_in, h_out);
         NGRAPH_CHECK(to - from != 0, "AdaptiveMaxPool elements == 0, must be non-zero");
         auto it = std::max_element(from, to);
-        out[i] = *it;
-        indices[i] = it - arg;
+        out[i] = static_cast<T>(*it);
+        indices[i] = static_cast<IT>(it - arg);
     }
 }
 template <typename T, typename IT>
@@ -41,8 +41,8 @@ void adaptive_max_pool_2d(const T* arg, T* out, IT* indices, size_t h_in, size_t
                 auto it = std::max_element(from, to);
                 result = *it > *result ? it : result;
             }
-            out[i * w_out + j] = *result;
-            indices[i * w_out + j] = result - arg;
+            out[i * w_out + j] = static_cast<T>(*result);
+            indices[i * w_out + j] = static_cast<IT>(result - arg);
         }
     }
 }
@@ -76,8 +76,8 @@ void adaptive_max_pool_3d(const T* arg,
                         result = *it > *result ? it : result;
                     }
                 }
-                out[i * h_out * w_out + j * w_out + k] = *result;
-                indices[i * h_out * w_out + j * w_out + k] = result - arg;
+                out[i * h_out * w_out + j * w_out + k] = static_cast<T>(*result);
+                indices[i * h_out * w_out + j * w_out + k] = static_cast<IT>(result - arg);
             }
         }
     }

src/core/reference/include/ngraph/runtime/reference/asin.hpp

@@ -13,7 +13,7 @@ namespace reference {
 template <typename T>
 void asin(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::asin(arg[i]);
+        out[i] = static_cast<T>(std::asin(arg[i]));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/asinh.hpp

@@ -20,7 +20,7 @@ void asinh(const T* arg, T* out, size_t count) {
 template <typename T, typename std::enable_if<std::is_integral<T>::value, bool>::type = true>
 void asinh(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::roundl(std::asinh(arg[i]));
+        out[i] = static_cast<T>(std::roundl(std::asinh(arg[i])));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/atan.hpp

@@ -13,14 +13,14 @@ namespace reference {
 template <typename T, typename std::enable_if<!std::is_integral<T>::value, bool>::type = true>
 void atan(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::atan(arg[i]);
+        out[i] = static_cast<T>(std::atan(arg[i]));
     }
 }
 
 template <typename T, typename std::enable_if<std::is_integral<T>::value, bool>::type = true>
 void atan(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::roundl(std::atan(arg[i]));
+        out[i] = static_cast<T>(std::roundl(std::atan(arg[i])));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/atanh.hpp

@@ -29,7 +29,7 @@ void atanh(const T* arg, T* out, size_t count) {
             if (arg[i] > 0) {
                 out[i] = std::numeric_limits<T>::max();
             } else {
-                out[i] = std::roundl(std::atanh(arg[i]));
+                out[i] = static_cast<T>(std::roundl(std::atanh(arg[i])));
             }
         } else {
             if (arg[i] <= -1) {
@@ -37,7 +37,7 @@ void atanh(const T* arg, T* out, size_t count) {
             } else if (arg[i] >= 1) {
                 out[i] = std::numeric_limits<T>::max();
             } else {
-                out[i] = std::roundl(std::atanh(arg[i]));
+                out[i] = static_cast<T>(std::roundl(std::atanh(arg[i])));
             }
         }
     }

src/core/reference/include/ngraph/runtime/reference/autobroadcast_binop.hpp

@@ -28,7 +28,7 @@ inline void row_major_strides(const Shape& shape, size_t* strides, size_t size)
 
 template <typename C, typename T>
 inline T value_with_padding_or(const C& arr, size_t padding, size_t idx, T&& default_value) {
-    return idx < padding ? std::forward<T>(default_value) : arr[idx - padding];
+    return idx < padding ? std::forward<T>(default_value) : static_cast<T>(arr[idx - padding]);
 }
 
 template <int A0, int A1, typename T, typename U, typename Functor>
@@ -100,7 +100,7 @@ void autobroadcast_binop(const T* arg0,
     switch (broadcast_spec.m_type) {
     case op::AutoBroadcastType::NONE:
         for (size_t i = 0; i < shape_size(arg0_shape); i++) {
-            out[i] = elementwise_functor(arg0[i], arg1[i]);
+            out[i] = static_cast<U>(elementwise_functor(arg0[i], arg1[i]));
         }
         break;
     case op::AutoBroadcastType::NUMPY:
@@ -155,23 +155,6 @@ void autobroadcast_binop(const T* arg0,
                 if (dim0 != dim1)
                     axis = std::max(axis, i);
             }
-#if 0
-                        // Universal function without optimisations
-                        CoordinateTransformBasic arg0_transform(arg0_shape);
-                        CoordinateTransformBasic arg1_transform(arg1_shape);
-                        U *dst = out;
-
-                        for(CoordinateIterator it(output_shape),
-                            ite = CoordinateIterator::end();
-                            it != ite;
-                            ++it)
-                        {
-                            const Coordinate& output_coord = *it;
-                            size_t const idx0 = arg0_transform.index(output_coord);
-                            size_t const idx1 = arg1_transform.index(output_coord);
-                            *dst++ = elementwise_functor(arg0[idx0], arg1[idx1]);
-                        }
-#else
 
             if (axis == 0) {
                 for (size_t i = 0, end = strides0[0]; i < end; ++i)
@@ -222,7 +205,6 @@ void autobroadcast_binop(const T* arg0,
                                                 axis,
                                                 strides0[axis],
                                                 elementwise_functor);
-#endif
         }
         break;
     case op::AutoBroadcastType::PDPD:
@@ -401,13 +383,13 @@ void autobroadcast_select(const U* arg0,
                 const Coordinate arg2_coord = reduce(output_coord, arg2_squeezed_axes, false);
 
                 const size_t arg0_idx =
-                    std::inner_product(arg0_coord.begin(), arg0_coord.end(), arg0_strides.begin(), 0);
+                    std::inner_product(arg0_coord.begin(), arg0_coord.end(), arg0_strides.begin(), uint64_t(0));
                 const size_t arg1_idx =
-                    std::inner_product(arg1_coord.begin(), arg1_coord.end(), arg1_strides.begin(), 0);
+                    std::inner_product(arg1_coord.begin(), arg1_coord.end(), arg1_strides.begin(), uint64_t(0));
                 const size_t arg2_idx =
-                    std::inner_product(arg2_coord.begin(), arg2_coord.end(), arg2_strides.begin(), 0);
+                    std::inner_product(arg2_coord.begin(), arg2_coord.end(), arg2_strides.begin(), uint64_t(0));
                 const size_t output_idx =
-                    std::inner_product(output_coord.begin(), output_coord.end(), output_strides.begin(), 0);
+                    std::inner_product(output_coord.begin(), output_coord.end(), output_strides.begin(), uint64_t(0));
                 out[output_idx] = elementwise_functor(arg0[arg0_idx], arg1[arg1_idx], arg2[arg2_idx]);
             }
         }
@@ -476,12 +458,14 @@ void autobroadcast_select(const U* arg0,
             const Coordinate arg0_coord = reduce(output_coord, arg0_squeezed_axes, false);
             const Coordinate arg2_coord = reduce(output_coord, arg2_squeezed_axes, false);
 
-            const size_t arg0_idx = std::inner_product(arg0_coord.begin(), arg0_coord.end(), arg0_strides.begin(), 0);
+            const size_t arg0_idx =
+                std::inner_product(arg0_coord.begin(), arg0_coord.end(), arg0_strides.begin(), uint64_t(0));
             const size_t arg1_idx =
-                std::inner_product(output_coord.begin(), output_coord.end(), output_strides.begin(), 0);
-            const size_t arg2_idx = std::inner_product(arg2_coord.begin(), arg2_coord.end(), arg2_strides.begin(), 0);
+                std::inner_product(output_coord.begin(), output_coord.end(), output_strides.begin(), uint64_t(0));
+            const size_t arg2_idx =
+                std::inner_product(arg2_coord.begin(), arg2_coord.end(), arg2_strides.begin(), uint64_t(0));
             const size_t output_idx =
-                std::inner_product(output_coord.begin(), output_coord.end(), output_strides.begin(), 0);
+                std::inner_product(output_coord.begin(), output_coord.end(), output_strides.begin(), uint64_t(0));
 
             out[output_idx] = elementwise_functor(arg0[arg0_idx], arg1[arg1_idx], arg2[arg2_idx]);
         }

src/core/reference/include/ngraph/runtime/reference/avg_pool.hpp

@@ -220,7 +220,7 @@ void avg_pool(const T* arg,
                 out[output_transform.index(out_coord)] =
                     static_cast<T>(std::nearbyint(static_cast<float>(result) / n_elements));
             } else {
-                out[output_transform.index(out_coord)] = result / n_elements;
+                out[output_transform.index(out_coord)] = result / static_cast<T>(n_elements);
             }
         } else {
             out[output_transform.index(out_coord)] = T{0};

src/core/reference/include/ngraph/runtime/reference/binary_convolution.hpp

@@ -29,15 +29,15 @@ void binary_convolve_3D_channels(const ConvolutionParams& p,
                                  T_IN*& out,
                                  const float pad_value) {
     const int n_bits = 8;
-    const int input_size_z = batch_shape[1];
-    const int input_size_y = batch_shape[2];
-    const int input_size_x = batch_shape[3];
-    const int filter_size_z = filter_shape[1];
-    const int filter_size_y = filter_shape[2];
-    const int filter_size_x = filter_shape[3];
-    const int dilated_filter_size_z = filter_size_z + (filter_size_z - 1) * (p.dilation[0] - 1);
-    const int dilated_filter_size_y = filter_size_y + (filter_size_y - 1) * (p.dilation[1] - 1);
-    const int dilated_filter_size_x = filter_size_x + (filter_size_x - 1) * (p.dilation[2] - 1);
+    const int64_t input_size_z = batch_shape[1];
+    const int64_t input_size_y = batch_shape[2];
+    const int64_t input_size_x = batch_shape[3];
+    const int64_t filter_size_z = filter_shape[1];
+    const int64_t filter_size_y = filter_shape[2];
+    const int64_t filter_size_x = filter_shape[3];
+    const int64_t dilated_filter_size_z = filter_size_z + (filter_size_z - 1) * (p.dilation[0] - 1);
+    const int64_t dilated_filter_size_y = filter_size_y + (filter_size_y - 1) * (p.dilation[1] - 1);
+    const int64_t dilated_filter_size_x = filter_size_x + (filter_size_x - 1) * (p.dilation[2] - 1);
 
     const Shape input_channel_shape(++batch_shape.begin(), batch_shape.end());
     const size_t input_channel_size = shape_size(input_channel_shape);
@@ -45,11 +45,11 @@ void binary_convolve_3D_channels(const ConvolutionParams& p,
     const size_t filter_channel_size = shape_size(filter_channel_shape);
     const T_IN bit_count = static_cast<T_IN>(filter_channel_size);
 
-    for (int i_z = -p.pads_begin[0]; i_z <= (p.pads_end[0] + input_size_z - dilated_filter_size_z);
+    for (int64_t i_z = -p.pads_begin[0]; i_z <= (p.pads_end[0] + input_size_z - dilated_filter_size_z);
          i_z += p.strides[0]) {
-        for (int i_y = -p.pads_begin[1]; i_y <= (p.pads_end[1] + input_size_y - dilated_filter_size_y);
+        for (int64_t i_y = -p.pads_begin[1]; i_y <= (p.pads_end[1] + input_size_y - dilated_filter_size_y);
              i_y += p.strides[1]) {
-            for (int i_x = -p.pads_begin[2]; i_x <= (p.pads_end[2] + input_size_x - dilated_filter_size_x);
+            for (int64_t i_x = -p.pads_begin[2]; i_x <= (p.pads_end[2] + input_size_x - dilated_filter_size_x);
                  i_x += p.strides[2]) {
                 auto input_channel = batch;
                 size_t filter_channels_count = filter_shape[0];
@@ -57,23 +57,24 @@ void binary_convolve_3D_channels(const ConvolutionParams& p,
                 T_IN sum = 0;
                 while (filter_channels_count--) {
                     T_IN popcount = 0;
-                    for (int f_z = 0; f_z < filter_size_z; ++f_z) {
-                        for (int f_y = 0; f_y < filter_size_y; ++f_y) {
-                            for (int f_x = 0; f_x < filter_size_x; ++f_x) {
-                                int rel_i_z = i_z + (f_z * p.dilation[0]);
-                                int rel_i_y = i_y + (f_y * p.dilation[1]);
-                                int rel_i_x = i_x + (f_x * p.dilation[2]);
+                    for (int64_t f_z = 0; f_z < filter_size_z; ++f_z) {
+                        for (int64_t f_y = 0; f_y < filter_size_y; ++f_y) {
+                            for (int64_t f_x = 0; f_x < filter_size_x; ++f_x) {
+                                int64_t rel_i_z = i_z + (f_z * p.dilation[0]);
+                                int64_t rel_i_y = i_y + (f_y * p.dilation[1]);
+                                int64_t rel_i_x = i_x + (f_x * p.dilation[2]);
 
                                 bool padding =
                                     !(in_range(rel_i_x, {0, input_size_x}) && in_range(rel_i_y, {0, input_size_y}) &&
                                       in_range(rel_i_z, {0, input_size_z}));
-                                int i_buf_idx =
+                                int64_t i_buf_idx =
                                     (rel_i_z * input_size_y * input_size_x) + (rel_i_y * input_size_x) + rel_i_x;
 
                                 T_IN in_val = padding ? static_cast<T_IN>(pad_value)
                                                       : static_cast<T_IN>(input_channel[i_buf_idx]);
 
-                                int f_buf_idx = (f_z * filter_size_y * filter_size_x) + (f_y * filter_size_x) + f_x;
+                                int f_buf_idx = static_cast<int>((f_z * filter_size_y * filter_size_x) +
+                                                                 (f_y * filter_size_x) + f_x);
 
                                 int f_byte_idx = (f_buf_idx + filter_count) / n_bits;
                                 int bit_idx = (n_bits - 1) - ((f_buf_idx + filter_count) % n_bits);
@@ -86,7 +87,7 @@ void binary_convolve_3D_channels(const ConvolutionParams& p,
                         }
                     }
                     input_channel += input_channel_size;
-                    filter_count += filter_channel_size;
+                    filter_count += static_cast<int>(filter_channel_size);
                     sum += (2 * popcount - bit_count);
                 }
                 *out = sum;

src/core/reference/include/ngraph/runtime/reference/ceiling.hpp

@@ -13,7 +13,7 @@ namespace reference {
 template <typename T>
 void ceiling(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::ceil(arg[i]);
+        out[i] = static_cast<T>(std::ceil(arg[i]));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/convolution.hpp

@@ -31,11 +31,11 @@ constexpr size_t out_channel_axis = 1;
 constexpr size_t spatial_axis = 2;
 
 struct ConvolutionParams {
-    std::vector<int> strides;
-    std::vector<int> dilation;
-    std::vector<int> pads_begin;
-    std::vector<int> pads_end;
-    std::vector<int> output_padding;
+    std::vector<int64_t> strides;
+    std::vector<int64_t> dilation;
+    std::vector<int64_t> pads_begin;
+    std::vector<int64_t> pads_end;
+    std::vector<int64_t> output_padding;
 
     ConvolutionParams(const Strides& strides_,
                       const Strides& dilation_,
@@ -61,30 +61,30 @@ void convolve_3D_channels(const ConvolutionParams& p,
                           const T* filter,
                           const Shape& filter_shape,
                           T*& out) {
-    const int input_size_z = batch_shape[1];
-    const int input_size_y = batch_shape[2];
-    const int input_size_x = batch_shape[3];
-    const int filter_size_z = filter_shape[1];
-    const int filter_size_y = filter_shape[2];
-    const int filter_size_x = filter_shape[3];
-    const int dilated_filter_size_z = filter_size_z + (filter_size_z - 1) * (p.dilation[0] - 1);
-    const int dilated_filter_size_y = filter_size_y + (filter_size_y - 1) * (p.dilation[1] - 1);
-    const int dilated_filter_size_x = filter_size_x + (filter_size_x - 1) * (p.dilation[2] - 1);
+    const int input_size_z = static_cast<int>(batch_shape[1]);
+    const int input_size_y = static_cast<int>(batch_shape[2]);
+    const int input_size_x = static_cast<int>(batch_shape[3]);
+    const int filter_size_z = static_cast<int>(filter_shape[1]);
+    const int filter_size_y = static_cast<int>(filter_shape[2]);
+    const int filter_size_x = static_cast<int>(filter_shape[3]);
+    const int dilated_filter_size_z = static_cast<int>(filter_size_z + (filter_size_z - 1) * (p.dilation[0] - 1));
+    const int dilated_filter_size_y = static_cast<int>(filter_size_y + (filter_size_y - 1) * (p.dilation[1] - 1));
+    const int dilated_filter_size_x = static_cast<int>(filter_size_x + (filter_size_x - 1) * (p.dilation[2] - 1));
 
     const Shape input_channel_shape(++batch_shape.begin(), batch_shape.end());
     const size_t input_channel_size = shape_size(input_channel_shape);
     const Shape filter_channel_shape(++filter_shape.begin(), filter_shape.end());
     const size_t filter_channel_size = shape_size(filter_channel_shape);
 
-    for (int i_z = -p.pads_begin[0];
-         i_z <= (p.pads_end[0] + input_size_z - dilated_filter_size_z + p.output_padding[0]);
-         i_z += p.strides[0]) {
-        for (int i_y = -p.pads_begin[1];
-             i_y <= (p.pads_end[1] + input_size_y - dilated_filter_size_y + p.output_padding[1]);
-             i_y += p.strides[1]) {
-            for (int i_x = -p.pads_begin[2];
-                 i_x <= (p.pads_end[2] + input_size_x - dilated_filter_size_x + p.output_padding[2]);
-                 i_x += p.strides[2]) {
+    for (int i_z = static_cast<int>(-p.pads_begin[0]);
+         i_z <= static_cast<int>(p.pads_end[0] + input_size_z - dilated_filter_size_z + p.output_padding[0]);
+         i_z += static_cast<int>(p.strides[0])) {
+        for (int i_y = static_cast<int>(-p.pads_begin[1]);
+             i_y <= static_cast<int>(p.pads_end[1] + input_size_y - dilated_filter_size_y + p.output_padding[1]);
+             i_y += static_cast<int>(p.strides[1])) {
+            for (int i_x = static_cast<int>(-p.pads_begin[2]);
+                 i_x <= static_cast<int>(p.pads_end[2] + input_size_x - dilated_filter_size_x + p.output_padding[2]);
+                 i_x += static_cast<int>(p.strides[2])) {
                 auto input_channel = batch;
                 auto filter_channel = filter;
                 T sum = 0;
@@ -93,9 +93,9 @@ void convolve_3D_channels(const ConvolutionParams& p,
                     for (int f_z = 0; f_z < filter_size_z; ++f_z) {
                         for (int f_y = 0; f_y < filter_size_y; ++f_y) {
                             for (int f_x = 0; f_x < filter_size_x; ++f_x) {
-                                int rel_i_z = i_z + (f_z * p.dilation[0]);
-                                int rel_i_y = i_y + (f_y * p.dilation[1]);
-                                int rel_i_x = i_x + (f_x * p.dilation[2]);
+                                int rel_i_z = i_z + (f_z * static_cast<int>(p.dilation[0]));
+                                int rel_i_y = i_y + (f_y * static_cast<int>(p.dilation[1]));
+                                int rel_i_x = i_x + (f_x * static_cast<int>(p.dilation[2]));
 
                                 bool padding =
                                     !(in_range(rel_i_x, {0, input_size_x}) && in_range(rel_i_y, {0, input_size_y}) &&
@@ -122,7 +122,7 @@ void convolve_3D_channels(const ConvolutionParams& p,
 }
 
 inline void extend_to_3D(ConvolutionParams& p, Shape& in_shape, Shape& filter_shape) {
-    int spatial_rank = in_shape.size() - 2;
+    int spatial_rank = static_cast<int>(in_shape.size() - 2);
     if (spatial_rank < 3) {
         int missing_dims = 3 - spatial_rank;
         p.dilation.insert(std::prev(p.dilation.end(), spatial_rank), missing_dims, 1);

src/core/reference/include/ngraph/runtime/reference/convolution_backprop_data.hpp

@@ -25,9 +25,9 @@ void extend_with_zeros(const Strides& strides,
                        const T* in,
                        Shape& output_shape,
                        std::vector<T>& input_zeros) {
-    std::vector<int> input_3d(3, 1);
-    std::vector<int> strides_3d(3, 1);
-    std::vector<int> output_3d(3, 1);
+    std::vector<size_t> input_3d(3, 1);
+    std::vector<size_t> strides_3d(3, 1);
+    std::vector<size_t> output_3d(3, 1);
 
     for (size_t i = 0; i < strides.size(); ++i) {
         output_shape[i + 2] = input_shape[i + 2] + (strides[i] - 1) * (input_shape[i + 2] - 1);
@@ -84,9 +84,11 @@ void infer_forward_convbackprop_output_shape(const Shape& in_spatial_shape,
                                              const Strides& dilations,
                                              const CoordinateDiff& output_padding) {
     for (size_t idx = 0; idx < in_spatial_shape.size(); idx++) {
-        int total_padding = strides[idx] * (in_spatial_shape[idx] - 1) + dilations[idx] * (f_spatial_shape[idx] - 1) +
-                            1 - out_spatial_shape[idx] + output_padding[idx];
-        size_t padded_dim = std::max<size_t>(total_padding, 0);
+        // FIXME: Incorrect logic with negative pad
+        int total_padding =
+            static_cast<int>(strides[idx] * (in_spatial_shape[idx] - 1) + dilations[idx] * (f_spatial_shape[idx] - 1) +
+                             1 - out_spatial_shape[idx] + output_padding[idx]);
+        size_t padded_dim = std::max<size_t>(static_cast<size_t>(total_padding), static_cast<size_t>(0));
         size_t filter_dilated_dim = dilations[idx] * (f_spatial_shape[idx] - 1) + 1;
         size_t out_spatial_dim =
             (in_spatial_shape[idx] - 1) * strides[idx] + filter_dilated_dim - padded_dim + output_padding[idx];
@@ -186,7 +188,7 @@ void convolution_backprop_impl(const T* in,
     // convert output shape to 3D, contains only dimensions
     Shape out_shape_3d{out_shape.begin() + 2, out_shape.end()};
 
-    int out_shape_rank = out_shape.size() - 2;
+    int out_shape_rank = static_cast<int>(out_shape.size()) - 2;
     if (out_shape_rank < 3) {
         int missing_dims = 3 - out_shape_rank;
         out_shape_3d.insert(std::prev(out_shape_3d.end(), out_shape_rank), missing_dims, 1);
@@ -299,7 +301,7 @@ void convolution_backprop_in(const T* delta_in,
 
     // extend stride and filter inputs with zero padding for stride and filter_dilation
     // > 1, after that set stride and filter params to 1.
-    const size_t stride_dim = std::accumulate(stride.begin(), stride.end(), 1, std::multiplies<size_t>());
+    const size_t stride_dim = std::accumulate(stride.begin(), stride.end(), int64_t(1), std::multiplies<int64_t>());
     if (stride_dim >= 2) {
         extend_with_zeros(stride, in_shape, delta_in, conv_input_shape, extended_input);
         std::fill(conv_stride.begin(), conv_stride.end(), 1);
@@ -307,7 +309,7 @@ void convolution_backprop_in(const T* delta_in,
     }
 
     const size_t dilation_dim =
-        std::accumulate(filter_dilation.begin(), filter_dilation.end(), 1, std::multiplies<size_t>());
+        std::accumulate(filter_dilation.begin(), filter_dilation.end(), uint64_t(1), std::multiplies<size_t>());
     if (dilation_dim >= 2) {
         extend_with_zeros<T>(filter_dilation,
                              filter_shape,

src/core/reference/include/ngraph/runtime/reference/cos.hpp

@@ -20,7 +20,7 @@ void cos(const T* arg, T* out, size_t count) {
 template <typename T, typename std::enable_if<std::is_integral<T>::value, bool>::type = true>
 void cos(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::roundl(std::cos(arg[i]));
+        out[i] = static_cast<T>(std::roundl(std::cos(arg[i])));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/cosh.hpp

@@ -13,14 +13,14 @@ namespace reference {
 template <typename T, typename std::enable_if<!std::is_integral<T>::value, bool>::type = true>
 void cosh(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::cosh(arg[i]);
+        out[i] = static_cast<T>(std::cosh(arg[i]));
     }
 }
 
 template <typename T, typename std::enable_if<std::is_integral<T>::value, bool>::type = true>
 void cosh(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::roundl(std::cosh(arg[i]));
+        out[i] = static_cast<T>(std::roundl(std::cosh(arg[i])));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/ctc_greedy_decoder.hpp

@@ -49,7 +49,7 @@ void ctc_greedy_decoder(const T* data,
 
             auto class_index = data + data_index;
             auto class_max_element = std::max_element(class_index, class_index + class_count);
-            T max_class_ind = std::distance(class_index, class_max_element);
+            T max_class_ind = static_cast<T>(std::distance(class_index, class_max_element));
 
             if (!(previous_class_index == max_class_ind && ctc_merge_repeated) &&
                 static_cast<uint64_t>(max_class_ind) < blank_index) {

src/core/reference/include/ngraph/runtime/reference/ctc_greedy_decoder_seq_len.hpp

@@ -24,7 +24,7 @@ void ctc_greedy_decoder_seq_len(const TF* data,
     const auto batch_size = data_shape[0];
     const auto seq_len_max = data_shape[1];
     const auto class_count = data_shape[2];
-    std::fill_n(out1, shape_size(out_shape), -1);
+    std::fill_n(out1, shape_size(out_shape), TCI(-1));
 
     for (std::size_t batch_ind = 0; batch_ind < batch_size; ++batch_ind) {
         TI previous_class_index = static_cast<TI>(-1);
@@ -36,11 +36,11 @@ void ctc_greedy_decoder_seq_len(const TF* data,
             auto class_max_element = std::max_element(class_index, class_index + class_count);
             const auto max_class_ind = std::distance(class_index, class_max_element);
             if (max_class_ind != blank_index[0] && !(ctc_merge_repeated && previous_class_index == max_class_ind)) {
-                out1[out_index++] = max_class_ind;
+                out1[out_index++] = static_cast<TCI>(max_class_ind);
             }
-            previous_class_index = max_class_ind;
+            previous_class_index = static_cast<TI>(max_class_ind);
         }
-        out2[batch_ind] = out_index - batch_ind * seq_len_max;
+        out2[batch_ind] = static_cast<TSL>(out_index - batch_ind * seq_len_max);
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/ctc_loss.hpp

@@ -25,7 +25,7 @@ void CTCLoss(const T* logits,
     const size_t batchNum = logitsShape[0];
     const size_t maxTime = logitsShape[1];
     const size_t classesNum = logitsShape[2];
-    U blankIndex = classesNum - 1;
+    U blankIndex = static_cast<U>(classesNum - 1);
     if (blankIndexP != nullptr) {
         blankIndex = blankIndexP[0];
     }
@@ -105,9 +105,10 @@ void CTCLoss(const T* logits,
                         res = prevLogProb;
                     } else if (prevLogProb != -type_inf) {
                         if (res > prevLogProb)
-                            res = res + std::log1pf(std::exp(prevLogProb - res));
+                            res = res + static_cast<T>(std::log1pf(static_cast<float>(std::exp(prevLogProb - res))));
                         else
-                            res = prevLogProb + std::log1pf(std::exp(res - prevLogProb));
+                            res = prevLogProb +
+                                  static_cast<T>(std::log1pf(static_cast<float>(std::exp(res - prevLogProb))));
                     }
                     return;
                 }

src/core/reference/include/ngraph/runtime/reference/deformable_convolution.hpp

@@ -84,19 +84,19 @@ inline float bilinear_interpolation(const inputType* data,
 
     float value11 = 0;
     if (y1 >= 0 && x1 >= 0)
-        value11 = data[y1 * x_size + x1];
+        value11 = static_cast<float>(data[y1 * x_size + x1]);
 
     float value21 = 0;
     if (y1 >= 0 && x2 < x_size)
-        value21 = data[y1 * x_size + x2];
+        value21 = static_cast<float>(data[y1 * x_size + x2]);
 
     float value12 = 0;
     if (y2 < y_size && x1 >= 0)
-        value12 = data[y2 * x_size + x1];
+        value12 = static_cast<float>(data[y2 * x_size + x1]);
 
     float value22 = 0;
     if (y2 < y_size && x2 < x_size)
-        value22 = data[y2 * x_size + x2];
+        value22 = static_cast<float>(data[y2 * x_size + x2]);
 
     const float value = (1 - distX) * (1 - distY) * value11 + (1 - distX) * distY * value12 +
                         distX * (1 - distY) * value21 + distX * distY * value22;
@@ -118,26 +118,28 @@ void convolve_2D_channels(const ConvolutionParams& p,
                           int64_t groups,
                           int64_t deformable_groups,
                           bool bilinear_interpolation_pad) {
-    const int input_size_y = batch_shape[1];
-    const int input_size_x = batch_shape[2];
-    const int filter_size_y = filter_shape[1];
-    const int filter_size_x = filter_shape[2];
-    const int dilated_filter_size_y = filter_size_y + (filter_size_y - 1) * (p.dilation[0] - 1);
-    const int dilated_filter_size_x = filter_size_x + (filter_size_x - 1) * (p.dilation[1] - 1);
+    const int input_size_y = static_cast<int>(batch_shape[1]);
+    const int input_size_x = static_cast<int>(batch_shape[2]);
+    const int filter_size_y = static_cast<int>(filter_shape[1]);
+    const int filter_size_x = static_cast<int>(filter_shape[2]);
+    const int dilated_filter_size_y = filter_size_y + (filter_size_y - 1) * (static_cast<int>(p.dilation[0]) - 1);
+    const int dilated_filter_size_x = filter_size_x + (filter_size_x - 1) * (static_cast<int>(p.dilation[1]) - 1);
 
-    const int input_channel_size = shape_size(shape_reduce(batch_shape));
-    const int filter_channel_size = shape_size(shape_reduce(filter_shape));
-    const int offsets_size = shape_size(offset_shape);
-    const int offsets_spatial_size = shape_size(shape_reduce(offset_shape));
-    const int filter_channels_count = filter_shape[0];
-    const int mask_size = shape_size(mask_shape);
-    const int mask_spatial_size = shape_size(shape_reduce(mask_shape));
+    const int input_channel_size = static_cast<int>(shape_size(shape_reduce(batch_shape)));
+    const int filter_channel_size = static_cast<int>(shape_size(shape_reduce(filter_shape)));
+    const int offsets_size = static_cast<int>(shape_size(offset_shape));
+    const int offsets_spatial_size = static_cast<int>(shape_size(shape_reduce(offset_shape)));
+    const int filter_channels_count = static_cast<int>(filter_shape[0]);
+    const int mask_size = static_cast<int>(shape_size(mask_shape));
+    const int mask_spatial_size = static_cast<int>(shape_size(shape_reduce(mask_shape)));
 
     int out_idx = 0;
-    for (int i_y = -p.pads_begin[0]; i_y <= (p.pads_end[0] + input_size_y - dilated_filter_size_y);
-         i_y += p.strides[0]) {
-        for (int i_x = -p.pads_begin[1]; i_x <= (p.pads_end[1] + input_size_x - dilated_filter_size_x);
-             i_x += p.strides[1]) {
+    for (int i_y = static_cast<int>(-p.pads_begin[0]);
+         i_y <= static_cast<int>(p.pads_end[0] + input_size_y - dilated_filter_size_y);
+         i_y += static_cast<int>(p.strides[0])) {
+        for (int i_x = static_cast<int>(-p.pads_begin[1]);
+             i_x <= static_cast<int>(p.pads_end[1] + input_size_x - dilated_filter_size_x);
+             i_x += static_cast<int>(p.strides[1])) {
             auto input_channel = batch;
             auto filter_channel = filter;
             T sum = 0;
@@ -151,15 +153,16 @@ void convolve_2D_channels(const ConvolutionParams& p,
                                              f_buf_idx * 2 * offsets_spatial_size + out_idx];
                         T x_offset = offsets[deformable_group_idx * offsets_size +
                                              (f_buf_idx * 2 + 1) * offsets_spatial_size + out_idx];
-                        T rel_i_y = i_y + (f_y * p.dilation[0]) + y_offset;
-                        T rel_i_x = i_x + (f_x * p.dilation[1]) + x_offset;
+                        T rel_i_y = static_cast<T>(i_y + (f_y * p.dilation[0]) + y_offset);
+                        T rel_i_x = static_cast<T>(i_x + (f_x * p.dilation[1]) + x_offset);
 
                         bool padding;
                         if (bilinear_interpolation_pad) {
                             padding = !((static_cast<int>(rel_i_x) > -1 && static_cast<int>(rel_i_x) < input_size_x) &&
                                         (static_cast<int>(rel_i_y) > -1 && static_cast<int>(rel_i_y) < input_size_y));
                         } else {
-                            padding = !(in_range(rel_i_x, {0, input_size_x}) && in_range(rel_i_y, {0, input_size_y}));
+                            padding = !(in_range(rel_i_x, {T(0), T(input_size_x)}) &&
+                                        in_range(rel_i_y, {T(0), T(input_size_y)}));
                         }
 
                         if (padding)
@@ -167,12 +170,12 @@ void convolve_2D_channels(const ConvolutionParams& p,
 
                         T mask_scalar =
                             mask[deformable_group_idx * mask_size + f_buf_idx * mask_spatial_size + out_idx];
-                        sum += bilinear_interpolation(input_channel,
-                                                      rel_i_x,
-                                                      rel_i_y,
-                                                      input_size_x,
-                                                      input_size_y,
-                                                      bilinear_interpolation_pad) *
+                        sum += static_cast<T>(bilinear_interpolation(input_channel,
+                                                                     static_cast<float>(rel_i_x),
+                                                                     static_cast<float>(rel_i_y),
+                                                                     input_size_x,
+                                                                     input_size_y,
+                                                                     bilinear_interpolation_pad)) *
                                filter_channel[f_buf_idx] * mask_scalar;
                     }
                 }

src/core/reference/include/ngraph/runtime/reference/deformable_psroi_pooling.hpp

@@ -53,7 +53,7 @@ void deformable_psroi_pooling(const T* data_input,
         const T* roi = rois_input + roi_idx * roi_attrs_count;
 
         // Index of the corresponding input batch
-        int64_t roi_batch_id = roi[0];
+        int64_t roi_batch_id = static_cast<int64_t>(roi[0]);
         if (roi_batch_id < 0)
             continue;
 
@@ -104,12 +104,12 @@ void deformable_psroi_pooling(const T* data_input,
                         T x_offset_value = offsets_input[x_offset_idx];
                         T y_offset_value = offsets_input[y_offset_idx];
 
-                        x_offset_value *= trans_std;
-                        y_offset_value *= trans_std;
+                        x_offset_value *= static_cast<T>(trans_std);
+                        y_offset_value *= static_cast<T>(trans_std);
 
                         // Move bin position by normalized offset values
-                        bin_x1_idx += (x_offset_value * roi_width);
-                        bin_y1_idx += (y_offset_value * roi_height);
+                        bin_x1_idx += static_cast<float>(x_offset_value) * roi_width;
+                        bin_y1_idx += static_cast<float>(y_offset_value) * roi_height;
                     }
 
                     // Each bin is divided into sub-bins
@@ -150,11 +150,13 @@ void deformable_psroi_pooling(const T* data_input,
                             const float delta_left_x = std::fabs(sub_bin_x1_idx - left_x);
                             const float delta_top_y = std::fabs(sub_bin_y1_idx - top_y);
 
-                            const T top_interp = top_left_sample + (top_right_sample - top_left_sample) * delta_left_x;
-                            const T bottom_interp =
-                                bottom_left_sample + (bottom_right_sample - bottom_left_sample) * delta_left_x;
+                            const T top_interp =
+                                top_left_sample + (top_right_sample - top_left_sample) * static_cast<T>(delta_left_x);
+                            const T bottom_interp = bottom_left_sample + (bottom_right_sample - bottom_left_sample) *
+                                                                             static_cast<T>(delta_left_x);
 
-                            const T sub_bin_value = top_interp + (bottom_interp - top_interp) * delta_top_y;
+                            const T sub_bin_value =
+                                top_interp + (bottom_interp - top_interp) * static_cast<T>(delta_top_y);
 
                             legit_sub_bin_count++;
                             sub_bins_val_sum += sub_bin_value;
@@ -162,7 +164,7 @@ void deformable_psroi_pooling(const T* data_input,
                     }
                     // Calculate average of sub_bin values for single ROI bin
                     if (legit_sub_bin_count != 0) {
-                        output[out_value_idx] = sub_bins_val_sum / legit_sub_bin_count;
+                        output[out_value_idx] = sub_bins_val_sum / static_cast<T>(legit_sub_bin_count);
                     }
                 }
             }

src/core/reference/include/ngraph/runtime/reference/detection_output.hpp

@@ -47,7 +47,7 @@ private:
             for (size_t p = 0; p < numPriors; ++p) {
                 size_t startIdx = p * numLocClasses * 4;
                 for (size_t c = 0; c < numLocClasses; ++c) {
-                    int label = attrs.share_location ? -1 : c;
+                    int label = attrs.share_location ? -1 : static_cast<int>(c);
                     if (labelBbox.find(label) == labelBbox.end()) {
                         labelBbox[label].resize(numPriors);
                     }
@@ -66,7 +66,7 @@ private:
         for (size_t i = 0; i < numImages; ++i) {
             std::map<int, std::vector<dataType>>& labelScores = confPreds[i];
             for (size_t p = 0; p < numPriors; ++p) {
-                int startIdx = p * numClasses;
+                size_t startIdx = p * numClasses;
                 for (int c = 0; c < numClasses; ++c) {
                     labelScores[c].push_back(confData[startIdx + c]);
                 }
@@ -82,7 +82,7 @@ private:
         for (size_t i = 0; i < numImages; ++i) {
             std::map<int, std::vector<dataType>>& labelScores = confPreds[i];
             for (size_t p = 0; p < numPriors; ++p) {
-                int startIdx = p * numClasses;
+                size_t startIdx = p * numClasses;
                 if (armConfData[p * 2 + 1] < attrs.objectness_score) {
                     for (int c = 0; c < numClasses; ++c) {
                         c == attrs.background_label_id ? labelScores[c].push_back(1) : labelScores[c].push_back(0);
@@ -113,12 +113,13 @@ private:
                         std::vector<std::vector<std::vector<dataType>>>& priorVariances) {
         priorBboxes.resize(priorsBatchSize);
         priorVariances.resize(priorsBatchSize);
-        int off = attrs.variance_encoded_in_target ? (numPriors * priorSize) : (2 * numPriors * priorSize);
+        int off =
+            static_cast<int>(attrs.variance_encoded_in_target ? (numPriors * priorSize) : (2 * numPriors * priorSize));
         for (size_t n = 0; n < priorsBatchSize; n++) {
             std::vector<NormalizedBBox>& currPrBbox = priorBboxes[n];
             std::vector<std::vector<dataType>>& currPrVar = priorVariances[n];
             for (size_t i = 0; i < numPriors; ++i) {
-                int start_idx = i * priorSize;
+                size_t start_idx = i * priorSize;
                 NormalizedBBox bbox;
                 bbox.xmin = priorData[start_idx + 0 + offset];
                 bbox.ymin = priorData[start_idx + 1 + offset];
@@ -129,7 +130,7 @@ private:
             if (!attrs.variance_encoded_in_target) {
                 const dataType* priorVar = priorData + numPriors * priorSize;
                 for (size_t i = 0; i < numPriors; ++i) {
-                    int start_idx = i * 4;
+                    size_t start_idx = i * 4;
                     std::vector<dataType> var(4);
                     for (int j = 0; j < 4; ++j) {
                         var[j] = (priorVar[start_idx + j]);
@@ -151,10 +152,10 @@ private:
         dataType priorYmax = priorBboxes.ymax;
 
         if (!attrs.normalized) {
-            priorXmin /= attrs.input_width;
-            priorYmin /= attrs.input_height;
-            priorXmax /= attrs.input_width;
-            priorYmax /= attrs.input_height;
+            priorXmin /= static_cast<dataType>(attrs.input_width);
+            priorYmin /= static_cast<dataType>(attrs.input_height);
+            priorXmax /= static_cast<dataType>(attrs.input_width);
+            priorYmax /= static_cast<dataType>(attrs.input_height);
         }
 
         if (attrs.code_type == "caffe.PriorBoxParameter.CORNER") {
@@ -171,8 +172,8 @@ private:
             dataType decodeBboxWidth, decodeBboxHeight;
             decodeBboxCenterX = priorVariances[0] * bbox.xmin * priorWidth + priorCenterX;
             decodeBboxCenterY = priorVariances[1] * bbox.ymin * priorHeight + priorCenterY;
-            decodeBboxWidth = std::exp(priorVariances[2] * bbox.xmax) * priorWidth;
-            decodeBboxHeight = std::exp(priorVariances[3] * bbox.ymax) * priorHeight;
+            decodeBboxWidth = static_cast<dataType>(std::exp(priorVariances[2] * bbox.xmax)) * priorWidth;
+            decodeBboxHeight = static_cast<dataType>(std::exp(priorVariances[3] * bbox.ymax)) * priorHeight;
             decodeBbox.xmin = decodeBboxCenterX - decodeBboxWidth / 2;
             decodeBbox.ymin = decodeBboxCenterY - decodeBboxHeight / 2;
             decodeBbox.xmax = decodeBboxCenterX + decodeBboxWidth / 2;
@@ -187,10 +188,10 @@ private:
         dataType priorYmax = priorBboxes.ymax;
 
         if (!attrs.normalized) {
-            priorXmin /= attrs.input_width;
-            priorYmin /= attrs.input_height;
-            priorXmax /= attrs.input_width;
-            priorYmax /= attrs.input_height;
+            priorXmin /= static_cast<dataType>(attrs.input_width);
+            priorYmin /= static_cast<dataType>(attrs.input_height);
+            priorXmax /= static_cast<dataType>(attrs.input_width);
+            priorYmax /= static_cast<dataType>(attrs.input_height);
         }
 
         if (attrs.code_type == "caffe.PriorBoxParameter.CORNER") {
@@ -207,8 +208,8 @@ private:
             dataType decodeBboxWidth, decodeBboxHeight;
             decodeBboxCenterX = bbox.xmin * priorWidth + priorCenterX;
             decodeBboxCenterY = bbox.ymin * priorHeight + priorCenterY;
-            decodeBboxWidth = std::exp(bbox.xmax) * priorWidth;
-            decodeBboxHeight = std::exp(bbox.ymax) * priorHeight;
+            decodeBboxWidth = static_cast<dataType>(std::exp(bbox.xmax)) * priorWidth;
+            decodeBboxHeight = static_cast<dataType>(std::exp(bbox.ymax)) * priorHeight;
             decodeBbox.xmin = decodeBboxCenterX - decodeBboxWidth / 2;
             decodeBbox.ymin = decodeBboxCenterY - decodeBboxHeight / 2;
             decodeBbox.xmax = decodeBboxCenterX + decodeBboxWidth / 2;
@@ -220,8 +221,8 @@ private:
                       const std::vector<std::vector<dataType>>& priorVariances,
                       const std::vector<NormalizedBBox>& labelLocPreds,
                       std::vector<NormalizedBBox>& decodeBboxes) {
-        int numBboxes = priorBboxes.size();
-        for (int i = 0; i < numBboxes; ++i) {
+        size_t numBboxes = priorBboxes.size();
+        for (size_t i = 0; i < numBboxes; ++i) {
             NormalizedBBox decodeBbox;
 
             if (attrs.variance_encoded_in_target) {
@@ -246,14 +247,14 @@ private:
         decodeBboxes.resize(numImages);
         for (size_t i = 0; i < numImages; ++i) {
             LabelBBox& decodeBboxesImage = decodeBboxes[i];
-            int pboxIdx = i;
+            int pboxIdx = static_cast<int>(i);
             if (priorBboxes.size() == 1) {
                 pboxIdx = 0;
             }
             const std::vector<NormalizedBBox>& currPrBbox = priorBboxes[pboxIdx];
             const std::vector<std::vector<dataType>>& currPrVar = priorVariances[pboxIdx];
             for (size_t c = 0; c < numLocClasses; ++c) {
-                int label = attrs.share_location ? -1 : c;
+                int label = attrs.share_location ? -1 : static_cast<int>(c);
                 if (attrs.background_label_id > -1 && label == attrs.background_label_id) {
                     continue;
                 }
@@ -274,7 +275,7 @@ private:
             const std::vector<NormalizedBBox>& currPrBbox = priorBboxes[i];
             const std::vector<std::vector<dataType>>& currPrVar = priorVariances[i];
             for (size_t c = 0; c < numLocClasses; ++c) {
-                int label = attrs.share_location ? -1 : c;
+                int label = attrs.share_location ? -1 : static_cast<int>(c);
                 if (attrs.background_label_id > -1 && label == attrs.background_label_id) {
                     continue;
                 }
@@ -298,7 +299,7 @@ private:
                           std::vector<std::pair<dataType, int>>& scoreIndexVec) {
         for (size_t i = 0; i < scores.size(); ++i) {
             if (scores[i] > threshold) {
-                scoreIndexVec.push_back(std::make_pair(scores[i], i));
+                scoreIndexVec.push_back(std::make_pair(scores[i], static_cast<int>(i)));
             }
         }
 
@@ -336,7 +337,7 @@ private:
             dataType bbox2_size = BBoxSize(bbox2);
             return intersect_size / (bbox1_size + bbox2_size - intersect_size);
         } else {
-            return 0.0f;
+            return static_cast<dataType>(0);
         }
     }
 
@@ -344,7 +345,7 @@ private:
                   const std::vector<dataType>& scores,
                   std::vector<int>& indices) {
         std::vector<std::pair<dataType, int>> scoreIndexVec;
-        GetMaxScoreIndex(scores, attrs.confidence_threshold, attrs.top_k, scoreIndexVec);
+        GetMaxScoreIndex(scores, static_cast<dataType>(attrs.confidence_threshold), attrs.top_k, scoreIndexVec);
         while (scoreIndexVec.size() != 0) {
             const int idx = scoreIndexVec.front().second;
             bool keep = true;
@@ -381,7 +382,7 @@ private:
                 }
             }
             if (id > 0 && conf >= attrs.confidence_threshold) {
-                scoreIndexPairs.push_back(std::make_pair(conf, std::make_pair(id, p)));
+                scoreIndexPairs.push_back(std::make_pair(conf, std::make_pair(id, static_cast<int>(p))));
             }
         }
         std::sort(
@@ -502,13 +503,13 @@ public:
                         continue;
                     const std::vector<NormalizedBBox>& bboxes = decodeBboxesImage.find(label)->second;
                     caffeNMS(bboxes, scores, indices[c]);
-                    numDet += indices[c].size();
+                    numDet += static_cast<int>(indices[c].size());
                 }
             } else {
                 // MXNet style
                 mxNetNms(decodeBboxesImage, confScores, indices);
                 for (auto it = indices.begin(); it != indices.end(); it++)
-                    numDet += it->second.size();
+                    numDet += static_cast<int>(it->second.size());
             }
             if (attrs.keep_top_k[0] > -1 && numDet > attrs.keep_top_k[0]) {
                 std::vector<std::pair<dataType, std::pair<int, int>>> scoreIndexPairs;
@@ -559,8 +560,8 @@ public:
                 std::vector<int>& indices = it->second;
                 for (size_t j = 0; j < indices.size(); ++j) {
                     int idx = indices[j];
-                    result[count * 7 + 0] = i;
-                    result[count * 7 + 1] = attrs.decrease_label_id ? (label - 1) : label;
+                    result[count * 7 + 0] = static_cast<dataType>(i);
+                    result[count * 7 + 1] = static_cast<dataType>(attrs.decrease_label_id ? (label - 1) : label);
                     result[count * 7 + 2] = scores[idx];
                     const NormalizedBBox& bbox = bboxes[idx];
 

src/core/reference/include/ngraph/runtime/reference/equal.hpp

@@ -36,8 +36,8 @@ void equal(const T* arg0,
            const Shape& arg0_shape,
            const Shape& arg1_shape,
            const op::AutoBroadcastSpec& broadcast_spec) {
-    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> T {
-        return x == y;
+    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> U {
+        return static_cast<U>(x == y);
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/erf.hpp

@@ -17,14 +17,14 @@ namespace reference {
 template <typename T, typename std::enable_if<!std::is_integral<T>::value, bool>::type = true>
 void erf(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::erf(arg[i]);
+        out[i] = static_cast<T>(std::erf(arg[i]));
     }
 }
 
 template <typename T, typename std::enable_if<std::is_integral<T>::value, bool>::type = true>
 void erf(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::round(std::erf(arg[i]));
+        out[i] = static_cast<T>(std::round(std::erf(arg[i])));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/exp.hpp

@@ -13,7 +13,7 @@ namespace reference {
 template <typename T>
 void exp(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::exp(arg[i]);
+        out[i] = static_cast<T>(std::exp(arg[i]));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/experimental_detectron_prior_grid_generator.hpp

@@ -48,10 +48,10 @@ void experimental_detectron_prior_grid_generator(const T* priors,
     for (int64_t h = 0; h < layer_height; ++h) {
         for (int64_t w = 0; w < layer_width; ++w) {
             for (int64_t s = 0; s < num_priors; ++s) {
-                output_rois[0] = priors[4 * s + 0] + step_w * (w + 0.5f);
-                output_rois[1] = priors[4 * s + 1] + step_h * (h + 0.5f);
-                output_rois[2] = priors[4 * s + 2] + step_w * (w + 0.5f);
-                output_rois[3] = priors[4 * s + 3] + step_h * (h + 0.5f);
+                output_rois[0] = static_cast<T>(priors[4 * s + 0] + step_w * (w + 0.5f));
+                output_rois[1] = static_cast<T>(priors[4 * s + 1] + step_h * (h + 0.5f));
+                output_rois[2] = static_cast<T>(priors[4 * s + 2] + step_w * (w + 0.5f));
+                output_rois[3] = static_cast<T>(priors[4 * s + 3] + step_h * (h + 0.5f));
                 output_rois += 4;
             }
         }

src/core/reference/include/ngraph/runtime/reference/extract_image_patches.hpp

@@ -49,8 +49,8 @@ void extract_image_patches(const std::shared_ptr<op::ExtractImagePatches> extImg
     int64_t PL = 0, PT = 0;
 
     if (auto_pad != op::PadType::VALID) {
-        int64_t PW = (std::ceil(1.f * IW / SW) - 1) * SW + iwStep - IW;
-        int64_t PH = (std::ceil(1.f * IH / SH) - 1) * SH + ihStep - IH;
+        int64_t PW = static_cast<int64_t>(std::ceil(1.f * IW / SW) - 1) * SW + iwStep - IW;
+        int64_t PH = static_cast<int64_t>(std::ceil(1.f * IH / SH) - 1) * SH + ihStep - IH;
 
         if ((PW > 0) && (PW < iwStep)) {
             if (PW % 2 == 1) {

src/core/reference/include/ngraph/runtime/reference/fake_quantize.hpp

@@ -22,7 +22,7 @@ namespace fake_quantize_details {
 inline std::vector<size_t> calc_broadcast_index_offset(const std::vector<size_t>& memory_offsets,
                                                        const std::vector<size_t>& broadcast_shape) {
     std::vector<size_t> broadcast_offsets(broadcast_shape.size(), 0);
-    for (int i = broadcast_shape.size() - 2; i >= 0; --i) {
+    for (int i = static_cast<int>(broadcast_shape.size()) - 2; i >= 0; --i) {
         if (broadcast_shape[i] == 1) {
             broadcast_offsets[i] = memory_offsets[i];
         }
@@ -34,7 +34,7 @@ inline std::vector<size_t> calc_broadcast_index_offset(const std::vector<size_t>
         broadcast_offsets[broadcast_offsets.size() - 1] = 1;
     }
     if (broadcast_shape.back() == 1) {
-        for (int i = broadcast_shape.size() - 1; i >= 0; --i) {
+        for (int i = static_cast<int>(broadcast_shape.size()) - 1; i >= 0; --i) {
             if (broadcast_shape[i] != 1) {
                 broadcast_offsets[i] = memory_offsets[i] - 1;
                 break;
@@ -45,7 +45,7 @@ inline std::vector<size_t> calc_broadcast_index_offset(const std::vector<size_t>
 }
 
 inline size_t calc_full_broadcast_offset(const std::vector<size_t>& current_dims, const std::vector<size_t>& offsets) {
-    return std::inner_product(begin(current_dims), end(current_dims), begin(offsets), 0);
+    return std::inner_product(begin(current_dims), end(current_dims), begin(offsets), uint64_t(0));
 }
 
 inline Shape align_shape_sizes(const Shape& shape, const Shape& target_shape, const op::AutoBroadcastSpec& broadcast) {
@@ -147,8 +147,9 @@ inline T quantize(const T& arg,
     } else if (arg > std::max(in_low, in_high)) {
         return out_high;
     }
-    return std::nearbyint((arg - in_low) / (in_high - in_low) * (levels - 1)) / (levels - 1) * (out_high - out_low) +
-           out_low;
+    return static_cast<T>(std::nearbyint((arg - in_low) / (in_high - in_low) * (levels - 1)) / (levels - 1) *
+                              (out_high - out_low) +
+                          out_low);
 }
 
 }  // namespace fake_quantize_details

src/core/reference/include/ngraph/runtime/reference/floor_mod.hpp

@@ -24,7 +24,7 @@ void floor_mod(const T* arg0,
         // Cast to double is needed for integer input,
         // otherwise std::floor will act like std::trunc
         const double divisor = static_cast<double>(y);
-        return x - y * std::floor(x / divisor);
+        return static_cast<T>(x - y * std::floor(x / divisor));
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/gelu.hpp

@@ -15,14 +15,14 @@ template <typename T>
 void gelu(const T* arg, T* out, op::GeluApproximationMode mode, size_t count) {
     if (mode == op::GeluApproximationMode::ERF) {
         for (size_t i = 0; i < count; i++) {
-            out[i] = 0.5 * arg[i] * (1 + erf(arg[i] / std::sqrt(2.0)));
+            out[i] = static_cast<T>((0.5 * arg[i] * (1 + erf(arg[i] / std::sqrt(2.0)))));
         }
     } else if (mode == op::GeluApproximationMode::TANH) {
         const auto pi = atan(1.0) * 4.0;
         const auto sqpi = std::sqrt(2.0 / pi);
         for (size_t i = 0; i < count; i++) {
             auto& x = arg[i];
-            out[i] = 0.5 * x * (1.0 + std::tanh(sqpi * (x + 0.044715 * std::pow(x, 3))));
+            out[i] = static_cast<T>(0.5 * x * (1.0 + std::tanh(sqpi * (x + 0.044715 * std::pow(x, 3)))));
         }
     }
 }

src/core/reference/include/ngraph/runtime/reference/greater.hpp

@@ -31,8 +31,8 @@ void greater(const T* arg0,
              const Shape& arg0_shape,
              const Shape& arg1_shape,
              const op::AutoBroadcastSpec& broadcast_spec) {
-    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> T {
-        return x > y;
+    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> U {
+        return static_cast<U>(x > y);
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/greater_eq.hpp

@@ -31,8 +31,8 @@ void greater_eq(const T* arg0,
                 const Shape& arg0_shape,
                 const Shape& arg1_shape,
                 const op::AutoBroadcastSpec& broadcast_spec) {
-    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> T {
-        return x >= y;
+    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> U {
+        return static_cast<U>(x >= y);
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/hard_sigmoid.hpp

@@ -13,7 +13,7 @@ namespace reference {
 template <typename T>
 void hard_sigmoid(const T* arg, const T alpha, const T beta, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::max<T>(0.0f, std::min<T>(1.0f, alpha * arg[i] + beta));
+        out[i] = std::max<T>(T(0), std::min<T>(T(1), alpha * arg[i] + beta));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/interpolate.hpp

@@ -484,7 +484,7 @@ void InterpolateEval<T>::linear_onnx_func(const T* input_data, T* out) {
                 for (int64_t i = 0; i < points_in_neighbor; ++i) {
                     int64_t offset = 0;
                     for (int64_t j = 0; j < spatial_rank; ++j) {
-                        if (i & (1 << (spatial_rank - 1 - j))) {
+                        if (i & (static_cast<int64_t>(1) << (spatial_rank - 1 - j))) {
                             offset += in1[j] * input_index_multipliers[j];
                         } else {
                             offset += in2[j] * input_index_multipliers[j];
@@ -498,9 +498,9 @@ void InterpolateEval<T>::linear_onnx_func(const T* input_data, T* out) {
                 for (int64_t i = 0; i < points_in_neighbor; ++i) {
                     float coeff = 1.0f;
                     for (int64_t j = 0; j < spatial_rank; ++j) {
-                        coeff *= (i & (1 << (spatial_rank - 1 - j))) ? d1[j] : d2[j];
+                        coeff *= (i & (static_cast<int64_t>(1) << (spatial_rank - 1 - j))) ? d1[j] : d2[j];
                     }
-                    sum += coeff * values_of_input_points[points_in_neighbor - 1 - i];
+                    sum += coeff * static_cast<float>(values_of_input_points[points_in_neighbor - 1 - i]);
                 }
 
                 // 6. Store result.
@@ -533,7 +533,7 @@ void InterpolateEval<T>::cubic_func(const T* input_data, T* out) {
             int64_t in_coord_int = static_cast<int64_t>(std::floor(in_coord));
             base_coords[axis] = in_coord_int;
             auto s = static_cast<float>(in_coord - in_coord_int);
-            cubic_coeffs[axis] = helper.get_cubic_coeff(s, m_cube_coeff);
+            cubic_coeffs[axis] = helper.get_cubic_coeff(s, static_cast<float>(m_cube_coeff));
         }
 
         float summa = 0.0f;
@@ -553,7 +553,7 @@ void InterpolateEval<T>::cubic_func(const T* input_data, T* out) {
                 coeffs_prod *= cubic_coeffs[axis][idx[i]];
             }
 
-            summa += coeffs_prod * input_data[input_transform.index(coords_for_sum)];
+            summa += coeffs_prod * static_cast<float>(input_data[input_transform.index(coords_for_sum)]);
         }
 
         out[output_transform.index(output_coord)] = static_cast<T>(summa);

src/core/reference/include/ngraph/runtime/reference/less.hpp

@@ -31,8 +31,8 @@ void less(const T* arg0,
           const Shape& arg0_shape,
           const Shape& arg1_shape,
           const op::AutoBroadcastSpec& broadcast_spec) {
-    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> T {
-        return x < y;
+    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> U {
+        return static_cast<U>(x < y);
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/less_eq.hpp

@@ -31,8 +31,8 @@ void less_eq(const T* arg0,
              const Shape& arg0_shape,
              const Shape& arg1_shape,
              const op::AutoBroadcastSpec& broadcast_spec) {
-    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> T {
-        return x <= y;
+    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> U {
+        return static_cast<U>(x <= y);
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/log.hpp

@@ -13,7 +13,7 @@ namespace reference {
 template <typename T>
 void log(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::log(arg[i]);
+        out[i] = static_cast<T>(std::log(arg[i]));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/log_softmax.hpp

@@ -29,15 +29,16 @@ void log_softmax(const T* arg, T* out, const Shape& shape, const AxisSet& axes)
     for (const Coordinate& coord : transform) {
         Coordinate temp_coord = reduce(coord, axes, true);
         out[transform.index(coord)] =
-            std::exp(arg[transform.index(coord)] - temp_max[temp_transform.index(temp_coord)]);
+            static_cast<T>(std::exp(arg[transform.index(coord)] - temp_max[temp_transform.index(temp_coord)]));
     }
 
     sum(out, temp_sum.data(), shape, axes);
 
     for (const Coordinate& coord : transform) {
         Coordinate temp_coord = reduce(coord, axes, true);
-        out[transform.index(coord)] = (arg[transform.index(coord)] - temp_max[temp_transform.index(temp_coord)]) -
-                                      std::log(temp_sum[temp_transform.index(temp_coord)]);
+        out[transform.index(coord)] =
+            static_cast<T>((arg[transform.index(coord)] - temp_max[temp_transform.index(temp_coord)]) -
+                           std::log(temp_sum[temp_transform.index(temp_coord)]));
     }
     NGRAPH_SUPPRESS_DEPRECATED_END
 }

src/core/reference/include/ngraph/runtime/reference/logical_reduction.hpp

@@ -28,8 +28,10 @@ static inline void reduce_logical_and(const char* arg,
     for (const Coordinate& input_coord : input_transform) {
         const Coordinate output_coord = reduce(input_coord, reduction_axes, dont_keep_dims_in_output);
 
-        const size_t in_idx = std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), 0);
-        const size_t out_idx = std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), 0);
+        const size_t in_idx =
+            std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), uint64_t(0));
+        const size_t out_idx =
+            std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), uint64_t(0));
 
         out[out_idx] = out[out_idx] && arg[in_idx];
     }
@@ -46,8 +48,10 @@ static inline void reduce_logical_or(const char* arg, char* out, const Shape& in
     for (const Coordinate& input_coord : input_transform) {
         const Coordinate output_coord = reduce(input_coord, reduction_axes, false);
 
-        const size_t in_idx = std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), 0);
-        const size_t out_idx = std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), 0);
+        const size_t in_idx =
+            std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), uint64_t(0));
+        const size_t out_idx =
+            std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), uint64_t(0));
 
         out[out_idx] = out[out_idx] || arg[in_idx];
     }

src/core/reference/include/ngraph/runtime/reference/lrn.hpp

@@ -33,7 +33,7 @@ static std::vector<size_t> slice_indices(const Shape& full_shape,
     indices.reserve(slice_size);
     indices.push_back(point_to_flat_idx(full_shape, coord));
     for (size_t i = 0; i < slice_size - 1; i++) {
-        for (int r = rank - 1; r >= 0; r--) {
+        for (int r = static_cast<int>(rank) - 1; r >= 0; r--) {
             coord[r]++;
             if (coord[r] < (begin[r] + slice_shape[r]))
                 break;
@@ -66,7 +66,7 @@ void lrn(const T* arg,
     T alpha = static_cast<T>(dalpha);
     T beta = static_cast<T>(dbeta);
     T bias = static_cast<T>(dbias);
-    T scale = alpha / std::pow(size, axes.size());
+    T scale = alpha / static_cast<T>(std::pow(size, axes.size()));
 
     std::vector<size_t> begin_area(arg_shape.size());
     Shape area_shape(arg_shape.size(), 1);
@@ -80,8 +80,10 @@ void lrn(const T* arg,
         // area determined by in_coord local neighborhood
         for (size_t i = 0; i < axes_map.size(); i++) {
             if (axes_map[i]) {
-                begin_area[i] = std::max<int>(0, in_coord.at(i) - (size - 1) / 2);
-                area_shape[i] = std::min<int>(arg_shape.at(i), in_coord.at(i) + (size - 1) / 2 + 1) - begin_area[i];
+                begin_area[i] = std::max<int>(0, static_cast<int>(in_coord.at(i)) - (static_cast<int>(size) - 1) / 2);
+                area_shape[i] = std::min<int>(static_cast<int>(arg_shape.at(i)),
+                                              static_cast<int>(in_coord.at(i)) + (static_cast<int>(size) - 1) / 2 + 1) -
+                                begin_area[i];
             } else {
                 begin_area[i] = in_coord.at(i);
             }
@@ -90,7 +92,7 @@ void lrn(const T* arg,
         T square_sum = sum_region_across_axes(arg, slice_indices(arg_shape, begin_area, area_shape));
         auto index = input_transform.index(in_coord);
         T x = arg[index];
-        out[index] = x / (std::pow(bias + scale * square_sum, beta));
+        out[index] = x / static_cast<T>(std::pow(bias + scale * square_sum, beta));
     }
     NGRAPH_SUPPRESS_DEPRECATED_END
 }

src/core/reference/include/ngraph/runtime/reference/lstm_cell.hpp

@@ -302,7 +302,7 @@ void lstm_cell_v1(const T* X,
     std::vector<T> XHBPi(gate_shape_size);
     if (input_forget) {
         // it = (1 - ft)
-        std::vector<T> ones(gate_shape_size, 1.f);
+        std::vector<T> ones(gate_shape_size, T(1));
         reference::subtract(ones.data(),
                             XHBPf.data(),
                             XHBPi.data(),

src/core/reference/include/ngraph/runtime/reference/max.hpp

@@ -29,8 +29,10 @@ void max(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduction_a
     for (const Coordinate& input_coord : input_transform) {
         const Coordinate output_coord = reduce(input_coord, reduction_axes, dont_keep_dims_in_output);
 
-        const size_t in_idx = std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), 0);
-        const size_t out_idx = std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), 0);
+        const size_t in_idx =
+            std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), uint64_t(0));
+        const size_t out_idx =
+            std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), uint64_t(0));
 
         const T x = arg[in_idx];
         const T max = out[out_idx];

src/core/reference/include/ngraph/runtime/reference/max_pool.hpp

@@ -147,7 +147,7 @@ struct Coord : public std::vector<T> {
     Coord(std::initializer_list<T>&& values) : std::vector<T>{std::move(values)} {}
 };
 
-inline bool elem_in_padding_area(const Coord<int>& kernel_position,
+inline bool elem_in_padding_area(const Coord<size_t>& kernel_position,
                                  const Coord<size_t>& kernel_offset,
                                  const Shape& data_shape) {
     for (size_t dim = 0; dim + 2 < data_shape.size(); ++dim) {
@@ -160,10 +160,10 @@ inline bool elem_in_padding_area(const Coord<int>& kernel_position,
     return false;
 }
 
-inline Coord<int> calculate_kernel_position(const Coord<size_t>& out_elem_coord,
-                                            const Strides& kernel_strides,
-                                            const Shape& pads_begin) {
-    Coord<int> top_left_corner;
+inline Coord<size_t> calculate_kernel_position(const Coord<size_t>& out_elem_coord,
+                                               const Strides& kernel_strides,
+                                               const Shape& pads_begin) {
+    Coord<size_t> top_left_corner;
     top_left_corner.reserve(out_elem_coord.size());
     for (size_t i = 0u; i < out_elem_coord.size(); ++i) {
         top_left_corner.emplace_back(out_elem_coord[i] * kernel_strides[i] - pads_begin[i]);
@@ -184,7 +184,7 @@ void max_pool_1d(const Values_t* data,
                  const size_t pads_begin,
                  const size_t pads_end,
                  const size_t indices_offset) {
-    int kernel_position = 0 - pads_begin;
+    int kernel_position = 0 - static_cast<int>(pads_begin);
     // select max elem and its index for each "placeholder" in the out buffer (pointed to by out_idx)
     for (size_t out_idx = 0; out_idx < out_elems; ++out_idx) {
         Values_t max_elem = std::numeric_limits<Values_t>::lowest();
@@ -195,12 +195,12 @@ void max_pool_1d(const Values_t* data,
             if (kernel_position + kernel_elem_offset >= 0 && kernel_position + kernel_elem_offset < data_elems &&
                 data[kernel_position + kernel_elem_offset] > max_elem) {
                 max_elem = data[kernel_position + kernel_elem_offset];
-                max_elem_idx = kernel_position + kernel_elem_offset;
+                max_elem_idx = static_cast<Indices_t>(kernel_position + kernel_elem_offset);
             }
         }
         values[out_idx] = max_elem;
-        indices[out_idx] = max_elem_idx + indices_offset;
-        kernel_position += kernel_stride;
+        indices[out_idx] = static_cast<Indices_t>(max_elem_idx + indices_offset);
+        kernel_position += static_cast<int>(kernel_stride);
     }
 }
 
@@ -246,14 +246,14 @@ void max_pool_2d(const Values_t* data,
 
                         if (data[data_elem_index] > max_elem) {
                             max_elem = data[data_elem_index];
-                            max_elem_idx = data_elem_index;
+                            max_elem_idx = static_cast<Indices_t>(data_elem_index);
                         }
                     }
                 }
             }
 
             values[out_idx] = max_elem;
-            indices[out_idx] = max_elem_idx + indices_offset;
+            indices[out_idx] = static_cast<Indices_t>(max_elem_idx + indices_offset);
             ++out_idx;
         }
     }
@@ -307,14 +307,14 @@ void max_pool_3d(const Values_t* data,
 
                                 if (data[data_elem_index] > max_elem) {
                                     max_elem = data[data_elem_index];
-                                    max_elem_idx = data_elem_index;
+                                    max_elem_idx = static_cast<Indices_t>(data_elem_index);
                                 }
                             }
                         }
                     }
                 }
                 values[out_idx] = max_elem;
-                indices[out_idx] = max_elem_idx + indices_offset;
+                indices[out_idx] = static_cast<Indices_t>(max_elem_idx + indices_offset);
                 ++out_idx;
             }
         }
@@ -342,7 +342,7 @@ void max_pool(const Values_t* data,
     const auto out_channel_elems = shape_size(std::begin(out_shape) + 2, std::end(out_shape));
 
     for (size_t b = 0; b < data_shape[0]; ++b) {
-        const Indices_t batch_indices_offset = b * data_batch_elems;
+        const Indices_t batch_indices_offset = static_cast<Indices_t>(b * data_batch_elems);
 
         for (size_t c = 0; c < data_shape[1]; ++c) {
             // calculate the buffer offsets for a given channel "c" then execute an appropriate
@@ -350,7 +350,7 @@ void max_pool(const Values_t* data,
             const Values_t* data_channel_first_elem = data + b * data_batch_elems + c * data_channel_elems;
             Values_t* out_channel_first_elem = values + b * out_batch_elems + c * out_channel_elems;
             Indices_t* indices_channel_first_elem = indices + b * out_batch_elems + c * out_channel_elems;
-            const Indices_t channel_indices_offset = c * data_channel_elems;
+            const Indices_t channel_indices_offset = static_cast<Indices_t>(c * data_channel_elems);
             // total offset of the flattened tensor indices for currently processed batch and channel
             const Indices_t indices_offset = batch_indices_offset + channel_indices_offset;
 
@@ -401,7 +401,8 @@ void max_pool(const Values_t* data,
 
     // adjust the calculated indices to the requested range (specified by the axis attribute) if needed
     if (axis != 0) {
-        const Indices_t max_index = shape_size(std::begin(data_shape) + axis, std::end(data_shape));
+        const Indices_t max_index =
+            static_cast<Indices_t>(shape_size(std::begin(data_shape) + axis, std::end(data_shape)));
 
         const auto indices_number = shape_size(out_shape);
         for (size_t i = 0; i < indices_number; ++i) {

src/core/reference/include/ngraph/runtime/reference/mean.hpp

@@ -23,7 +23,7 @@ void mean(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduction_
     constexpr bool dont_keep_dims_in_output = false;
     const auto out_shape = reduce(in_shape, reduction_axes, dont_keep_dims_in_output);
     std::vector<T> cs(shape_size(out_shape), 0);
-    std::fill(out, out + shape_size(out_shape), 0);
+    std::fill(out, out + shape_size(out_shape), T(0));
 
     const auto in_strides = row_major_strides(in_shape);
     const auto out_strides = row_major_strides(out_shape);
@@ -34,8 +34,10 @@ void mean(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduction_
     for (const Coordinate& input_coord : input_transform) {
         const Coordinate output_coord = reduce(input_coord, reduction_axes, dont_keep_dims_in_output);
 
-        const size_t in_idx = std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), 0);
-        const size_t out_idx = std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), 0);
+        const size_t in_idx =
+            std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), uint64_t(0));
+        const size_t out_idx =
+            std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), uint64_t(0));
 
         details::kahan_summation(arg[in_idx], cs[out_idx], out[out_idx]);
 

src/core/reference/include/ngraph/runtime/reference/min.hpp

@@ -34,8 +34,10 @@ void min(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduction_a
     for (const Coordinate& input_coord : input_transform) {
         const Coordinate output_coord = reduce(input_coord, reduction_axes, dont_keep_dims_in_output);
 
-        const size_t in_idx = std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), 0);
-        const size_t out_idx = std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), 0);
+        const size_t in_idx =
+            std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), uint64_t(0));
+        const size_t out_idx =
+            std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), uint64_t(0));
 
         const T x = arg[in_idx];
         const T min = out[out_idx];

src/core/reference/include/ngraph/runtime/reference/mish.hpp

@@ -13,7 +13,7 @@ namespace reference {
 template <typename T>
 void mish(const T* arg, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = arg[i] * std::tanh(std::log((std::exp(arg[i]) + 1.0)));
+        out[i] = static_cast<T>(arg[i] * std::tanh(std::log((std::exp(arg[i]) + 1.0))));
     }
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/mod.hpp

@@ -20,7 +20,7 @@ void mod(const T* arg0,
          const Shape& arg_shape1,
          const op::AutoBroadcastSpec& broadcast_spec) {
     autobroadcast_binop(arg0, arg1, out, arg_shape0, arg_shape1, broadcast_spec, [](T x, T y) -> T {
-        return T(x - std::truncf(x / y) * y);
+        return static_cast<T>(x - std::truncf(static_cast<float>(x / y)) * y);
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/mvn.hpp

@@ -36,7 +36,7 @@ void mvn(const T* arg,
         mean(tmp_buffer.data(), mean_value.data(), in_shape, reduction_axes);
 
         add(mean_value.data(),
-            std::vector<T>(shape_size(reduced_shape), eps).data(),
+            std::vector<T>(shape_size(reduced_shape), static_cast<T>(eps)).data(),
             tmp_buffer.data(),
             reduced_shape,
             reduced_shape,
@@ -67,7 +67,7 @@ void mvn_6(const T* arg,
 
         if (eps_mode == op::MVNEpsMode::INSIDE_SQRT) {
             add(mean_value.data(),
-                std::vector<T>(shape_size(reduced_shape), eps).data(),
+                std::vector<T>(shape_size(reduced_shape), static_cast<T>(eps)).data(),
                 tmp_buffer.data(),
                 reduced_shape,
                 reduced_shape,
@@ -76,7 +76,7 @@ void mvn_6(const T* arg,
         } else {
             sqrt(mean_value.data(), tmp_buffer.data(), shape_size(reduced_shape));
             add(tmp_buffer.data(),
-                std::vector<T>(shape_size(reduced_shape), eps).data(),
+                std::vector<T>(shape_size(reduced_shape), static_cast<T>(eps)).data(),
                 tmp_buffer.data(),
                 reduced_shape,
                 reduced_shape,

src/core/reference/include/ngraph/runtime/reference/normalize_l2.hpp

@@ -23,7 +23,7 @@ void normalize_l2(const T* data,
         // When axes is an empty list, then each `data` element is divided by itself
         // resulting value 1 for all non-zero elements
         for (size_t i = 0; i < shape_size(data_shape); ++i) {
-            out[i] = data[i] == 0 ? 0 : 1;
+            out[i] = data[i] == 0 ? T(0) : T(1);
         }
         return;
     }
@@ -47,8 +47,9 @@ void normalize_l2(const T* data,
                         reduce_shape,
                         op::AutoBroadcastSpec(op::AutoBroadcastType::NUMPY),
                         [&eps, &eps_mode](T x, T y) -> T {
-                            T arg = (eps_mode == op::EpsMode::ADD) ? y + eps : std::max(y, static_cast<T>(eps));
-                            return x / std::sqrt(arg);
+                            T arg = (eps_mode == op::EpsMode::ADD) ? y + static_cast<T>(eps)
+                                                                   : std::max(y, static_cast<T>(eps));
+                            return x / static_cast<T>(std::sqrt(arg));
                         });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/not_equal.hpp

@@ -25,8 +25,8 @@ void not_equal(const T* arg0,
                const Shape& arg0_shape,
                const Shape& arg1_shape,
                const op::AutoBroadcastSpec& broadcast_spec) {
-    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> T {
-        return x != y;
+    autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> U {
+        return static_cast<U>(x != y);
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/power.hpp

@@ -17,7 +17,7 @@ namespace reference {
 template <typename T>
 void power(const T* arg0, const T* arg1, T* out, size_t count) {
     for (size_t i = 0; i < count; i++) {
-        out[i] = std::pow(arg0[i], arg1[i]);
+        out[i] = static_cast<T>(std::pow(arg0[i], arg1[i]));
     }
 }
 
@@ -29,7 +29,7 @@ void power(const T* arg0,
            const Shape& arg1_shape,
            const op::AutoBroadcastSpec& broadcast_spec) {
     autobroadcast_binop(arg0, arg1, out, arg0_shape, arg1_shape, broadcast_spec, [](T x, T y) -> T {
-        return std::pow(x, y);
+        return static_cast<T>(std::pow(x, y));
     });
 }
 }  // namespace reference

src/core/reference/include/ngraph/runtime/reference/product.hpp

@@ -17,7 +17,7 @@ template <typename T>
 void product(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduction_axes) {
     constexpr bool dont_keep_dims_in_output = false;
     const auto out_shape = reduce(in_shape, reduction_axes, dont_keep_dims_in_output);
-    std::fill(out, out + shape_size(out_shape), 1);
+    std::fill(out, out + shape_size(out_shape), T(1));
 
     const auto in_strides = row_major_strides(in_shape);
     const auto out_strides = row_major_strides(out_shape);
@@ -26,8 +26,10 @@ void product(const T* arg, T* out, const Shape& in_shape, const AxisSet& reducti
     for (const Coordinate& input_coord : input_transform) {
         const Coordinate output_coord = reduce(input_coord, reduction_axes, dont_keep_dims_in_output);
 
-        const size_t in_idx = std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), 0);
-        const size_t out_idx = std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), 0);
+        const size_t in_idx =
+            std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), uint64_t(0));
+        const size_t out_idx =
+            std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), uint64_t(0));
 
         out[out_idx] = out[out_idx] * arg[in_idx];
     }

src/core/reference/include/ngraph/runtime/reference/proposal.hpp

@@ -146,15 +146,15 @@ static void enumerate_proposals(const T* bottom4d,
                 const T pred_ctr_x = dx * static_cast<T>(ww) + static_cast<T>(ctr_x);
                 const T pred_ctr_y = dy * static_cast<T>(hh) + static_cast<T>(ctr_y);
                 // new width & height according to gradient d(log w), d(log h)
-                const T pred_w = std::exp(d_log_w) * static_cast<T>(ww);
-                const T pred_h = std::exp(d_log_h) * static_cast<T>(hh);
+                const T pred_w = static_cast<T>(std::exp(d_log_w) * ww);
+                const T pred_h = static_cast<T>(std::exp(d_log_h) * hh);
 
                 // update upper-left corner location
-                x0 = pred_ctr_x - 0.5f * pred_w;
-                y0 = pred_ctr_y - 0.5f * pred_h;
+                x0 = static_cast<float>(pred_ctr_x - 0.5f * pred_w);
+                y0 = static_cast<float>(pred_ctr_y - 0.5f * pred_h);
                 // update lower-right corner location
-                x1 = pred_ctr_x + 0.5f * pred_w;
-                y1 = pred_ctr_y + 0.5f * pred_h;
+                x1 = static_cast<float>(pred_ctr_x + 0.5f * pred_w);
+                y1 = static_cast<float>(pred_ctr_y + 0.5f * pred_h);
 
                 // adjust new corner locations to be within the image region,
                 if (clip_before_nms) {
@@ -230,8 +230,8 @@ static void nms(const int num_boxes,
                 const T x1 = std::min(x1i, x1j);
                 const T y1 = std::min(y1i, y1j);
                 // intersection area
-                const T width = std::max<T>(0.0f, x1 - x0 + coordinates_offset);
-                const T height = std::max<T>(0.0f, y1 - y0 + coordinates_offset);
+                const T width = std::max<T>(static_cast<T>(0), x1 - x0 + coordinates_offset);
+                const T height = std::max<T>(static_cast<T>(0), y1 - y0 + coordinates_offset);
                 const T area = width * height;
                 // area of A, B
                 const T A_area = (x1i - x0i + coordinates_offset) * (y1i - y0i + coordinates_offset);
@@ -267,10 +267,10 @@ static void retrieve_rois(const int num_rois,
         T y1 = proposals[index].y1;
 
         if (clip_after_nms) {
-            x0 = std::max<T>(0.0f, std::min(x0, static_cast<T>(img_w)));
-            y0 = std::max<T>(0.0f, std::min(y0, static_cast<T>(img_h)));
-            x1 = std::max<T>(0.0f, std::min(x1, static_cast<T>(img_w)));
-            y1 = std::max<T>(0.0f, std::min(y1, static_cast<T>(img_h)));
+            x0 = std::max<T>(T(0), std::min(x0, static_cast<T>(img_w)));
+            y0 = std::max<T>(T(0), std::min(y0, static_cast<T>(img_h)));
+            x1 = std::max<T>(T(0), std::min(x1, static_cast<T>(img_w)));
+            y1 = std::max<T>(T(0), std::min(y1, static_cast<T>(img_h)));
         }
 
         if (normalize) {
@@ -326,8 +326,8 @@ static void proposal_exec(const T* class_probs,
     T* p_prob_item = attrs.infer_probs ? out_probs : nullptr;
 
     // bottom shape (batch_size * (2 * num_anchors) * H * W)
-    const unsigned int bottom_H = class_probs_shape[2];
-    const unsigned int bottom_W = class_probs_shape[3];
+    const unsigned int bottom_H = static_cast<unsigned int>(class_probs_shape[2]);
+    const unsigned int bottom_W = static_cast<unsigned int>(class_probs_shape[3]);
     // input image height and width
     const T img_H = image_shape[0];
     const T img_W = image_shape[1];
@@ -337,21 +337,21 @@ static void proposal_exec(const T* class_probs,
     // or be the same for both   {image_height, image_width, scale_height_and_width}
     const T scale_H = image_shape[2];
     const T scale_W = (image_shape_shape.size() < 4 ? scale_H : image_shape[3]);
-    const T min_box_H = attrs.min_size * scale_H;
-    const T min_box_W = attrs.min_size * scale_W;
+    const T min_box_H = static_cast<T>(attrs.min_size * scale_H);
+    const T min_box_W = static_cast<T>(attrs.min_size * scale_W);
     // get number of proposals
     // class_probs shape is {batch_size, anchor_count*2, bottom_H, bottom_W}
-    const unsigned int anchor_count = class_probs_shape[1] / 2;
+    const unsigned int anchor_count = static_cast<unsigned int>(class_probs_shape[1] / 2);
     const unsigned int num_proposals = anchor_count * bottom_H * bottom_W;
     // final RoI count
     int num_rois = 0;
     std::vector<ProposalBox<T>> proposals(num_proposals);
-    const int pre_nms_topn = num_proposals < attrs.pre_nms_topn ? num_proposals : attrs.pre_nms_topn;
+    const int pre_nms_topn = static_cast<int>(num_proposals < attrs.pre_nms_topn ? num_proposals : attrs.pre_nms_topn);
     std::vector<unsigned int> roi_indices(attrs.post_nms_topn);
 
     std::vector<float> anchors = generate_anchors(attrs, anchor_count);
 
-    unsigned int batch_num = class_probs_shape[0];
+    unsigned int batch_num = static_cast<unsigned int>(class_probs_shape[0]);
     float coordinates_offset = attrs.framework == "tensorflow" ? 0.0f : 1.0f;
     bool initial_clip = attrs.framework == "tensorflow";
     bool swap_xy = attrs.framework == "tensorflow";
@@ -367,11 +367,11 @@ static void proposal_exec(const T* class_probs,
                             anchor_count,
                             bottom_H,
                             bottom_W,
-                            img_H,
-                            img_W,
-                            min_box_H,
-                            min_box_W,
-                            attrs.feat_stride,
+                            static_cast<float>(img_H),
+                            static_cast<float>(img_W),
+                            static_cast<float>(min_box_H),
+                            static_cast<float>(min_box_W),
+                            static_cast<int>(attrs.feat_stride),
                             attrs.box_coordinate_scale,
                             attrs.box_size_scale,
                             coordinates_offset,
@@ -391,20 +391,20 @@ static void proposal_exec(const T* class_probs,
             num_rois,
             0,
             attrs.nms_thresh,
-            attrs.post_nms_topn,
+            static_cast<int>(attrs.post_nms_topn),
             static_cast<T>(coordinates_offset));
 
         T* p_probs = p_prob_item ? p_prob_item + batch_idx * attrs.post_nms_topn : nullptr;
         retrieve_rois(num_rois,
-                      batch_idx,
+                      static_cast<int>(batch_idx),
                       pre_nms_topn,
                       proposals,
                       roi_indices,
                       p_roi_item + batch_idx * attrs.post_nms_topn * 5,
-                      attrs.post_nms_topn,
+                      static_cast<int>(attrs.post_nms_topn),
                       attrs.normalize,
-                      img_H,
-                      img_W,
+                      static_cast<float>(img_H),
+                      static_cast<float>(img_W),
                       attrs.clip_after_nms,
                       p_probs);
     }

src/core/reference/include/ngraph/runtime/reference/psroi_pooling.hpp

@@ -42,21 +42,21 @@ void psroi_pooling(const T* input,
     int num_spatial_bins = spatial_bins_x * spatial_bins_y;
     for (size_t roi = 0; roi < num_rois; roi++) {
         const T* box = rois + roi * 5;
-        int batch_id = box[0];
+        int batch_id = static_cast<int>(box[0]);
         float start_w = 0;
         float start_h = 0;
         float end_w = 0;
         float end_h = 0;
         if (mode == BILINEAR) {
-            start_w = box[1] * spatial_scale;
-            start_h = box[2] * spatial_scale;
-            end_w = box[3] * spatial_scale;
-            end_h = box[4] * spatial_scale;
+            start_w = static_cast<float>(box[1]) * spatial_scale;
+            start_h = static_cast<float>(box[2]) * spatial_scale;
+            end_w = static_cast<float>(box[3]) * spatial_scale;
+            end_h = static_cast<float>(box[4]) * spatial_scale;
         } else if (mode == AVG) {
-            start_w = std::roundf(box[1]) * spatial_scale;
-            start_h = std::roundf(box[2]) * spatial_scale;
-            end_w = (std::roundf(box[3]) + 1.0f) * spatial_scale;
-            end_h = (std::roundf(box[4]) + 1.0f) * spatial_scale;
+            start_w = std::roundf(static_cast<float>(box[1])) * spatial_scale;
+            start_h = std::roundf(static_cast<float>(box[2])) * spatial_scale;
+            end_w = (std::roundf(static_cast<float>(box[3])) + 1.0f) * spatial_scale;
+            end_h = (std::roundf(static_cast<float>(box[4])) + 1.0f) * spatial_scale;
         }
         float box_width = end_w - start_w;
         float box_height = end_h - start_h;
@@ -94,7 +94,7 @@ void psroi_pooling(const T* input,
                                 sum += input_offset[h * width + w];
                             }
                         }
-                        output[index] = sum / (current_bin_width * current_bin_height);
+                        output[index] = sum / static_cast<T>(current_bin_width * current_bin_height);
                         c_in++;
                     } else if (mode == BILINEAR) {
                         c_in = 0;
@@ -112,18 +112,20 @@ void psroi_pooling(const T* input,
                                                     ? (ph * height_scale + bin_start_h * (height - 1))
                                                     : (bin_start_h + bin_start_h + bin_height) * (height - 1) / 2;
                                 if (point_x < width && point_y < height) {
-                                    size_t left = floorf(point_x);
+                                    size_t left = static_cast<size_t>(floorf(point_x));
                                     size_t right = std::min(static_cast<size_t>(ceilf(point_x)), width - 1);
-                                    size_t top = floorf(point_y);
+                                    size_t top = static_cast<size_t>(floorf(point_y));
                                     size_t bottom = std::min(static_cast<size_t>(ceilf(point_y)), height - 1);
                                     T top_left = input_offset[top * width + left];
                                     T top_right = input_offset[top * width + right];
                                     T bottom_left = input_offset[bottom * width + left];
                                     T bottom_right = input_offset[bottom * width + right];
 
-                                    T top_interp = top_left + (top_right - top_left) * (point_x - left);
-                                    T bottom_interp = bottom_left + (bottom_right - bottom_left) * (point_x - left);
-                                    output[index] += top_interp + (bottom_interp - top_interp) * (point_y - top);
+                                    T top_interp = top_left + (top_right - top_left) * static_cast<T>(point_x - left);
+                                    T bottom_interp =
+                                        bottom_left + (bottom_right - bottom_left) * static_cast<T>(point_x - left);
+                                    output[index] +=
+                                        top_interp + (bottom_interp - top_interp) * static_cast<T>(point_y - top);
                                 }
                                 c_in++;
                             }

src/core/reference/include/ngraph/runtime/reference/reduce_l1.hpp

@@ -17,7 +17,7 @@ template <typename T>
 void reduce_l1(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduction_axes) {
     constexpr bool dont_keep_dims_in_output = false;
     const auto out_shape = reduce(in_shape, reduction_axes, dont_keep_dims_in_output);
-    std::fill(out, out + shape_size(out_shape), 0);
+    std::fill(out, out + shape_size(out_shape), T(0));
 
     const auto in_strides = row_major_strides(in_shape);
     const auto out_strides = row_major_strides(out_shape);
@@ -26,8 +26,10 @@ void reduce_l1(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduc
     for (const Coordinate& input_coord : input_transform) {
         const Coordinate output_coord = reduce(input_coord, reduction_axes, dont_keep_dims_in_output);
 
-        const size_t in_idx = std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), 0);
-        const size_t out_idx = std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), 0);
+        const size_t in_idx =
+            std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), uint64_t(0));
+        const size_t out_idx =
+            std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), uint64_t(0));
 
         out[out_idx] = out[out_idx] + std::abs(arg[in_idx]);
     }

src/core/reference/include/ngraph/runtime/reference/reduce_l2.hpp

@@ -17,7 +17,7 @@ template <typename T>
 void reduce_l2(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduction_axes) {
     constexpr bool dont_keep_dims_in_output = false;
     const auto out_shape = reduce(in_shape, reduction_axes, dont_keep_dims_in_output);
-    std::fill(out, out + shape_size(out_shape), 0);
+    std::fill(out, out + shape_size(out_shape), T(0));
 
     const auto in_strides = row_major_strides(in_shape);
     const auto out_strides = row_major_strides(out_shape);
@@ -26,8 +26,10 @@ void reduce_l2(const T* arg, T* out, const Shape& in_shape, const AxisSet& reduc
     for (const Coordinate& input_coord : input_transform) {
         const Coordinate output_coord = reduce(input_coord, reduction_axes, dont_keep_dims_in_output);
 
-        const size_t in_idx = std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), 0);
-        const size_t out_idx = std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), 0);
+        const size_t in_idx =
+            std::inner_product(input_coord.begin(), input_coord.end(), in_strides.begin(), uint64_t(0));
+        const size_t out_idx =
+            std::inner_product(output_coord.begin(), output_coord.end(), out_strides.begin(), uint64_t(0));
 
         out[out_idx] = out[out_idx] + arg[in_idx] * arg[in_idx];
     }

src/core/reference/include/ngraph/runtime/reference/region_yolo.hpp

@@ -37,7 +37,8 @@ static inline void softmax_generic(const T* src_data, T* dst_data, int batches,
 
             T sum = 0;
             for (int channel_idx = 0; channel_idx < channels; channel_idx++) {
-                dst_data[offset + channel_idx * area + i] = std::exp(src_data[offset + channel_idx * area + i] - max);
+                dst_data[offset + channel_idx * area + i] =
+                    static_cast<T>(std::exp(src_data[offset + channel_idx * area + i] - max));
                 sum += dst_data[offset + channel_idx * area + i];
             }
 
@@ -59,15 +60,15 @@ void region_yolo(const T* input,
                  const std::vector<int64_t>& mask) {
     NGRAPH_CHECK(input_shape.size() == 4);
 
-    const int batches = input_shape[0];
-    const int height = input_shape[2];
-    const int width = input_shape[3];
+    const int batches = static_cast<int>(input_shape[0]);
+    const int height = static_cast<int>(input_shape[2]);
+    const int width = static_cast<int>(input_shape[3]);
 
     const auto mask_size = mask.size();
 
-    int num_regions = 0;
-    int end_index = 0;
-    int output_size = 0;
+    size_t num_regions = 0;
+    size_t end_index = 0;
+    size_t output_size = 0;
 
     if (do_softmax) {
         // Region layer (Yolo v2)
@@ -83,18 +84,18 @@ void region_yolo(const T* input,
 
     std::copy(input, input + output_size, output);
 
-    const int inputs_size = width * height * num_regions * (classes + coords + 1);
+    const int inputs_size = width * height * static_cast<int>(num_regions) * (classes + coords + 1);
 
     for (int batch_idx = 0; batch_idx < batches; batch_idx++) {
-        for (int n = 0; n < num_regions; n++) {
+        for (int n = 0; n < static_cast<int>(num_regions); n++) {
             int index = entry_index(width, height, coords, classes, inputs_size, batch_idx, n * width * height, 0);
             std::transform(output + index, output + index + 2 * width * height, output + index, [](T elem) {
-                return sigmoid<T>(elem);
+                return sigmoid<T>(static_cast<float>(elem));
             });
 
             index = entry_index(width, height, coords, classes, inputs_size, batch_idx, n * width * height, coords);
             std::transform(output + index, output + index + end_index, output + index, [](T elem) {
-                return sigmoid<T>(elem);
+                return sigmoid<T>(static_cast<float>(elem));
             });
         }
     }
@@ -114,7 +115,5 @@ void region_yolo(const T* input,
 }
 
 }  // namespace reference
-
 }  // namespace runtime
-
 }  // namespace ngraph

src/core/reference/include/ngraph/runtime/reference/reverse_sequence.hpp

@@ -40,8 +40,8 @@ void reverse_sequence(const T* arg,
         Coordinate out_coord = in_coord;
         out_coord[sequence_axis] = sequence_index;
 
-        const size_t in_idx = std::inner_product(in_coord.begin(), in_coord.end(), strides.begin(), 0);
-        const size_t out_idx = std::inner_product(out_coord.begin(), out_coord.end(), strides.begin(), 0);
+        const size_t in_idx = std::inner_product(in_coord.begin(), in_coord.end(), strides.begin(), size_t(0));
+        const size_t out_idx = std::inner_product(out_coord.begin(), out_coord.end(), strides.begin(), size_t(0));
         out[out_idx] = arg[in_idx];
     }
 }

src/core/reference/include/ngraph/runtime/reference/roi_align.hpp

@@ -126,14 +126,14 @@ void roi_align(const T* feature_maps,
                         unsigned int sample_x_high;
 
                         if (sample_y_low >= feature_map_height - 1) {
-                            sample_y_high = sample_y_low = feature_map_height - 1;
+                            sample_y_high = sample_y_low = static_cast<unsigned int>(feature_map_height - 1);
                             sample_y = static_cast<T>(sample_y_low);
                         } else {
                             sample_y_high = sample_y_low + 1;
                         }
 
                         if (sample_x_low >= feature_map_width - 1) {
-                            sample_x_high = sample_x_low = feature_map_width - 1;
+                            sample_x_high = sample_x_low = static_cast<unsigned int>(feature_map_width - 1);
                             sample_x = static_cast<T>(sample_x_low);
                         } else {
                             sample_x_high = sample_x_low + 1;

src/core/reference/include/ngraph/runtime/reference/roi_pooling.hpp

@@ -19,35 +19,35 @@ void roi_pooling(const T* feature_maps,
                  const float spatial_scale,
                  const std::string& pooling_method) {
     // Feature maps input shape: {N, C, H, W}
-    const int batches = feature_maps_shape[0];
-    const int channels = feature_maps_shape[1];
-    const int height = feature_maps_shape[2];
-    const int width = feature_maps_shape[3];
+    const int batches = static_cast<int>(feature_maps_shape[0]);
+    const int channels = static_cast<int>(feature_maps_shape[1]);
+    const int height = static_cast<int>(feature_maps_shape[2]);
+    const int width = static_cast<int>(feature_maps_shape[3]);
 
     // Output shape: {NUM_ROIS, C, pooled_h, pooled_w}
-    const int pooled_h = output_shape[2];
-    const int pooled_w = output_shape[3];
+    const int pooled_h = static_cast<int>(output_shape[2]);
+    const int pooled_w = static_cast<int>(output_shape[3]);
 
     // ROIs shape: {NUM_ROIS, 5}
-    const int num_rois = rois_shape[0];
+    const size_t num_rois = rois_shape[0];
 
-    for (int roi_num = 0; roi_num < num_rois; roi_num++) {
+    for (size_t roi_num = 0; roi_num < num_rois; roi_num++) {
         // ROI tuple: [roi_batch_id, roi_w_start, roi_h_start, roi_w_end, roi_h_end]
         // ROI index
-        int roi_idx = rois_shape[1] * roi_num;
+        size_t roi_idx = rois_shape[1] * roi_num;
 
         // ROI batch id
-        int roi_batch_id = rois[roi_idx + 0];
+        int roi_batch_id = static_cast<int>(rois[roi_idx + 0]);
 
         // ROI batch id must be in the range of [0, N-1]
         NGRAPH_CHECK(0 <= roi_batch_id && roi_batch_id < batches, "ROI batch id must be in the range of [0, N-1]");
 
         if (pooling_method == "max") {
             // ROI coordinates scaled to input feature maps
-            int roi_w_start = std::round(rois[roi_idx + 1] * spatial_scale);
-            int roi_h_start = std::round(rois[roi_idx + 2] * spatial_scale);
-            int roi_w_end = std::round(rois[roi_idx + 3] * spatial_scale);
-            int roi_h_end = std::round(rois[roi_idx + 4] * spatial_scale);
+            int roi_w_start = static_cast<int>(std::round(rois[roi_idx + 1] * spatial_scale));
+            int roi_h_start = static_cast<int>(std::round(rois[roi_idx + 2] * spatial_scale));
+            int roi_w_end = static_cast<int>(std::round(rois[roi_idx + 3] * spatial_scale));
+            int roi_h_end = static_cast<int>(std::round(rois[roi_idx + 4] * spatial_scale));
 
             // Force malformed ROIs to be 1x1
             int roi_height = std::max(roi_h_end - roi_h_start + 1, 1);
@@ -123,13 +123,13 @@ void roi_pooling(const T* feature_maps,
                             in_y = ((ph == pooled_h - 1) ? (height - 1) * roi_h_end
                                                          : (ph * roi_height_scale + roi_h_start * (height - 1)));
                         } else {
-                            in_y = 0.5 * (roi_h_start + roi_h_end) * (height - 1);
+                            in_y = static_cast<T>(0.5 * (roi_h_start + roi_h_end) * (height - 1));
                         }
                         if (pooled_w > 1) {
                             in_x = ((pw == pooled_w - 1) ? (width - 1) * roi_w_end
                                                          : (pw * roi_width_scale + roi_w_start * (width - 1)));
                         } else {
-                            in_x = 0.5 * (roi_w_end + roi_w_start) * (width - 1);
+                            in_x = static_cast<T>(0.5 * (roi_w_end + roi_w_start) * (width - 1));
                         }
 
                         const size_t pool_index =