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openvino/samples/python/hello_query_device

Hello Query Device Python* Sample

@sphinxdirective

This sample demonstrates how to show OpenVINO™ Runtime devices and prints their metrics and default configuration values using :doc:Query Device API feature <openvino_docs_OV_UG_query_api>.

The following Python API is used in the application:

+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------+ | Feature | API | Description | +=======================================+============================================================================================================================================================================================+========================================+ | Basic | openvino.runtime.Core <https://docs.openvino.ai/2022.3/api/ie_python_api/_autosummary/openvino.runtime.Core.html>__ | Common API | +---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------+ | Query Device | openvino.runtime.Core.available_devices <https://docs.openvino.ai/2022.3/api/ie_python_api/_autosummary/openvino.runtime.Core.html#openvino.runtime.Core.available_devices>__ , | Get device properties | | | openvino.runtime.Core.get_metric <https://docs.openvino.ai/2022.3/api/ie_python_api/_autosummary/openvino.inference_engine.IECore.html#openvino.inference_engine.IECore.get_metric>__ , | | | | openvino.runtime.Core.get_config <https://docs.openvino.ai/2022.3/api/ie_python_api/_autosummary/openvino.inference_engine.IECore.html#openvino.inference_engine.IECore.get_config>__ | | +---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------+

+-------------------------------------------------------+--------------------------------------------------------------------------+ | Options | Values | +=======================================================+==========================================================================+ | Supported devices | :doc:All <openvino_docs_OV_UG_supported_plugins_Supported_Devices> | +-------------------------------------------------------+--------------------------------------------------------------------------+ | Other language realization | :doc:C++ <openvino_inference_engine_samples_hello_query_device_README> | +-------------------------------------------------------+--------------------------------------------------------------------------+

How It Works ############

The sample queries all available OpenVINO™ Runtime devices and prints their supported metrics and plugin configuration parameters.

Running #######

The sample has no command-line parameters. To see the report, run the following command:

.. code-block:: console

python hello_query_device.py

Sample Output #############

The application prints all available devices with their supported metrics and default values for configuration parameters. For example:

.. code-block:: console

[ INFO ] Available devices: [ INFO ] CPU : [ INFO ] SUPPORTED_METRICS: [ INFO ] AVAILABLE_DEVICES: [ INFO ] FULL_DEVICE_NAME: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz [ INFO ] OPTIMIZATION_CAPABILITIES: FP32, FP16, INT8, BIN [ INFO ] RANGE_FOR_ASYNC_INFER_REQUESTS: 1, 1, 1 [ INFO ] RANGE_FOR_STREAMS: 1, 8 [ INFO ] IMPORT_EXPORT_SUPPORT: True [ INFO ] [ INFO ] SUPPORTED_CONFIG_KEYS (default values): [ INFO ] CACHE_DIR: [ INFO ] CPU_BIND_THREAD: NO [ INFO ] CPU_THREADS_NUM: 0 [ INFO ] CPU_THROUGHPUT_STREAMS: 1 [ INFO ] DUMP_EXEC_GRAPH_AS_DOT: [ INFO ] DYN_BATCH_ENABLED: NO [ INFO ] DYN_BATCH_LIMIT: 0 [ INFO ] ENFORCE_BF16: NO [ INFO ] EXCLUSIVE_ASYNC_REQUESTS: NO [ INFO ] PERFORMANCE_HINT: [ INFO ] PERFORMANCE_HINT_NUM_REQUESTS: 0 [ INFO ] PERF_COUNT: NO [ INFO ] [ INFO ] GNA : [ INFO ] SUPPORTED_METRICS: [ INFO ] AVAILABLE_DEVICES: GNA_SW [ INFO ] OPTIMAL_NUMBER_OF_INFER_REQUESTS: 1 [ INFO ] FULL_DEVICE_NAME: GNA_SW [ INFO ] GNA_LIBRARY_FULL_VERSION: 3.0.0.1455 [ INFO ] IMPORT_EXPORT_SUPPORT: True [ INFO ] [ INFO ] SUPPORTED_CONFIG_KEYS (default values): [ INFO ] EXCLUSIVE_ASYNC_REQUESTS: NO [ INFO ] GNA_COMPACT_MODE: YES [ INFO ] GNA_COMPILE_TARGET: [ INFO ] GNA_DEVICE_MODE: GNA_SW_EXACT [ INFO ] GNA_EXEC_TARGET: [ INFO ] GNA_FIRMWARE_MODEL_IMAGE: [ INFO ] GNA_FIRMWARE_MODEL_IMAGE_GENERATION: [ INFO ] GNA_LIB_N_THREADS: 1 [ INFO ] GNA_PRECISION: I16 [ INFO ] GNA_PWL_MAX_ERROR_PERCENT: 1.000000 [ INFO ] GNA_PWL_UNIFORM_DESIGN: NO [ INFO ] GNA_SCALE_FACTOR: 1.000000 [ INFO ] GNA_SCALE_FACTOR_0: 1.000000 [ INFO ] LOG_LEVEL: LOG_NONE [ INFO ] PERF_COUNT: NO [ INFO ] SINGLE_THREAD: YES

See Also ########

  • :doc:Using OpenVINO™ Toolkit Samples <openvino_docs_OV_UG_Samples_Overview>

@endsphinxdirective