Revert inference precision to be a hint (#16634)

samples/cpp/benchmark_app/benchmark_app.hpp

@@ -327,7 +327,7 @@ DEFINE_string(nstreams, "", infer_num_streams_message);
 /// @brief Define flag for inference only mode <br>
 DEFINE_bool(inference_only, true, inference_only_message);
 
-/// @brief Define flag for inference precision
+/// @brief Define flag for inference precision hint
 DEFINE_string(infer_precision, "", inference_precision_message);
 
 /// @brief Specify precision for all input layers of the network

samples/cpp/benchmark_app/main.cpp

@@ -481,17 +481,17 @@ int main(int argc, char* argv[]) {
                 auto it_device_infer_precision = device_infer_precision.find(device);
                 if (it_device_infer_precision != device_infer_precision.end()) {
                     // set to user defined value
-                    if (supported(ov::inference_precision.name())) {
-                        device_config.emplace(ov::inference_precision(it_device_infer_precision->second));
+                    if (supported(ov::hint::inference_precision.name())) {
+                        device_config.emplace(ov::hint::inference_precision(it_device_infer_precision->second));
                     } else if (is_virtual_device(device)) {
                         update_device_config_for_virtual_device(it_device_infer_precision->second,
                                                                 device_config,
-                                                                ov::inference_precision,
+                                                                ov::hint::inference_precision,
                                                                 is_dev_set_property,
                                                                 is_load_config);
                     } else {
                         throw std::logic_error("Device " + device + " doesn't support config key '" +
-                                               ov::inference_precision.name() + "'! " +
+                                               ov::hint::inference_precision.name() + "'! " +
                                                "Please specify -infer_precision for correct devices in format  "
                                                "<dev1>:<infer_precision1>,<dev2>:<infer_precision2>" +
                                                " or via configuration file.");

samples/cpp/benchmark_app/utils.cpp

@@ -200,7 +200,7 @@ void update_device_config_for_virtual_device(const std::string& value,
             const auto& device_value = it.second;
             if (device_config.find(ov::device::properties.name()) == device_config.end() ||
                 (is_load_config && is_dev_set_property[device_name])) {
-                // Create ov::device::properties with ov::num_stream/ov::inference_precision and
+                // Create ov::device::properties with ov::num_stream/ov::hint::inference_precision and
                 // 1. Insert this ov::device::properties into device config if this
                 // ov::device::properties isn't existed. Otherwise,
                 // 2. Replace the existed ov::device::properties within device config.

samples/cpp/speech_sample/main.cpp

@@ -220,7 +220,7 @@ int main(int argc, char* argv[]) {
                 gnaPluginConfig[ov::intel_gna::scale_factors_per_input.name()] = scale_factors_per_input;
             }
         }
-        gnaPluginConfig[ov::inference_precision.name()] = (FLAGS_qb == 8) ? ov::element::i8 : ov::element::i16;
+        gnaPluginConfig[ov::hint::inference_precision.name()] = (FLAGS_qb == 8) ? ov::element::i8 : ov::element::i16;
         const std::unordered_map<std::string, ov::intel_gna::HWGeneration> StringHWGenerationMap{
             {"GNA_TARGET_1_0", ov::intel_gna::HWGeneration::GNA_1_0},
             {"GNA_TARGET_2_0", ov::intel_gna::HWGeneration::GNA_2_0},