Files
openvino/ngraph/test/util/engine/ie_engines.cpp
2020-07-20 10:18:03 +02:00

236 lines
8.6 KiB
C++

//*****************************************************************************
// Copyright 2017-2020 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************
#include "ie_engines.hpp"
#include "ngraph/op/get_output_element.hpp"
#include "ngraph/opsets/opset.hpp"
#include "ngraph/pass/manager.hpp"
#include "opset1_upgrade.hpp"
using namespace ngraph;
namespace
{
/// Extracts the data from two blobs and returns them as a pair of vectors.
template <typename T>
std::pair<std::vector<T>, std::vector<T>>
extract_test_results(InferenceEngine::MemoryBlob::CPtr computed,
InferenceEngine::MemoryBlob::CPtr expected)
{
const auto computed_data = computed->rmap();
const auto expected_data = expected->rmap();
const auto* computed_data_buffer = computed_data.template as<const T*>();
const auto* expected_data_buffer = expected_data.template as<const T*>();
std::vector<T> computed_values(computed_data_buffer,
computed_data_buffer + computed->size());
std::vector<T> expected_values(expected_data_buffer,
expected_data_buffer + computed->size());
return std::make_pair(std::move(computed_values), std::move(expected_values));
}
/// Compares two blobs containing floating point elements.
template <typename T>
typename std::enable_if<std::is_floating_point<T>::value, testing::AssertionResult>::type
compare_blobs(InferenceEngine::MemoryBlob::CPtr computed,
InferenceEngine::MemoryBlob::CPtr expected,
const size_t tolerance_bits)
{
const auto test_results = extract_test_results<T>(computed, expected);
return ngraph::test::all_close_f(test_results.first, test_results.second, tolerance_bits);
}
/// Compares two blobs containing integer elements.
template <typename T>
typename std::enable_if<std::is_integral<T>::value, testing::AssertionResult>::type
compare_blobs(InferenceEngine::MemoryBlob::CPtr computed,
InferenceEngine::MemoryBlob::CPtr expected,
const size_t)
{
const auto test_results = extract_test_results<T>(computed, expected);
return ngraph::test::all_close<T>(test_results.first, test_results.second);
}
/// Compares two blobs elementwise
inline testing::AssertionResult compare_blobs(InferenceEngine::MemoryBlob::CPtr computed,
InferenceEngine::MemoryBlob::CPtr expected,
const size_t tolerance_bits)
{
const auto& computed_precision = computed->getTensorDesc().getPrecision();
const auto& expected_precision = expected->getTensorDesc().getPrecision();
if (computed_precision != expected_precision)
{
return testing::AssertionFailure();
}
switch (static_cast<InferenceEngine::Precision::ePrecision>(computed_precision))
{
case InferenceEngine::Precision::FP32:
return compare_blobs<float>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::I8:
return compare_blobs<int8_t>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::I16:
return compare_blobs<int16_t>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::I32:
return compare_blobs<int32_t>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::I64:
return compare_blobs<int64_t>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::U8:
return compare_blobs<uint8_t>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::U16:
return compare_blobs<uint16_t>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::U32:
return compare_blobs<uint32_t>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::U64:
return compare_blobs<uint64_t>(computed, expected, tolerance_bits);
break;
case InferenceEngine::Precision::BOOL:
return compare_blobs<uint8_t>(computed, expected, tolerance_bits);
break;
default: THROW_IE_EXCEPTION << "Not implemented yet";
}
}
};
test::IE_Engine::IE_Engine(const std::shared_ptr<Function> function, const char* device)
: m_function{function}
{
upgrade_and_validate_function(m_function);
const auto cnn_network = InferenceEngine::CNNNetwork(m_function);
m_network_inputs = cnn_network.getInputsInfo();
m_network_outputs = cnn_network.getOutputsInfo();
InferenceEngine::Core ie;
auto exe_network = ie.LoadNetwork(cnn_network, device);
m_inference_req = exe_network.CreateInferRequest();
}
void test::IE_Engine::infer()
{
if (m_network_inputs.size() != m_allocated_inputs)
{
THROW_IE_EXCEPTION << "The tested graph has " << m_network_inputs.size() << " inputs, but "
<< m_allocated_inputs << " were passed.";
}
else
{
m_inference_req.Infer();
}
}
testing::AssertionResult test::IE_Engine::compare_results(const size_t tolerance_bits)
{
auto comparison_result = testing::AssertionSuccess();
for (const auto& output : m_network_outputs)
{
InferenceEngine::MemoryBlob::CPtr computed_output_blob =
InferenceEngine::as<InferenceEngine::MemoryBlob>(m_inference_req.GetBlob(output.first));
const auto& expected_output_blob = m_expected_outputs[output.first];
comparison_result =
compare_blobs(computed_output_blob, expected_output_blob, tolerance_bits);
if (comparison_result == testing::AssertionFailure())
{
break;
}
}
return comparison_result;
}
std::shared_ptr<Function>
test::IE_Engine::upgrade_and_validate_function(const std::shared_ptr<Function> function) const
{
pass::Manager passes;
passes.register_pass<pass::Opset1Upgrade>();
passes.run_passes(function);
static std::set<NodeTypeInfo> ie_ops = get_ie_ops();
for (const auto& node : function->get_ops())
{
if (ie_ops.find(node->get_type_info()) == ie_ops.end())
{
if (node->get_type_info() == op::GetOutputElement::type_info)
{
// IE currently can handle GetOutputElement op;
continue;
}
else
{
THROW_IE_EXCEPTION << "Unsupported operator detected in the graph: "
<< node->get_type_info().name;
}
}
}
return function;
}
std::set<NodeTypeInfo> test::IE_Engine::get_ie_ops() const
{
std::set<NodeTypeInfo> ie_ops = get_opset1().get_type_info_set();
const auto& opset2 = get_opset2().get_type_info_set();
ie_ops.insert(opset2.begin(), opset2.end());
const auto& opset3 = get_opset3().get_type_info_set();
ie_ops.insert(opset3.begin(), opset3.end());
const auto& opset4 = get_opset4().get_type_info_set();
ie_ops.insert(opset4.begin(), opset4.end());
return ie_ops;
}
void test::IE_Engine::reset()
{
m_allocated_inputs = 0;
m_allocated_expected_outputs = 0;
m_expected_outputs.clear();
}
namespace InferenceEngine
{
// those definitions and template specializations are required for clang (both Linux and Mac)
// Without this section the linker is not able to find destructors for missing TBlob specializations
// which are instantiated in the unit tests that use TestCase and this engine
#ifdef __clang__
template <typename T, typename U>
TBlob<T, U>::~TBlob()
{
free();
}
template class TBlob<unsigned int>;
template class TBlob<bool>;
template class TBlob<ngraph::bfloat16>;
template class TBlob<ngraph::float16>;
#endif
}