ONNX

model_navigator.api.config.OnnxConfig dataclass

Bases: CustomConfigForFormat

ONNX custom config used for ONNX export and conversion.

Parameters:

Name	Type	Description	Default
opset	Optional[int]	ONNX opset used for conversion.	DEFAULT_ONNX_OPSET
dynamic_axes	Optional[Dict[str, Union[Dict[int, str], List[int]]]]	Dynamic axes for ONNX conversion.	None
onnx_extended_conversion	bool	Enables additional conversions from TorchScript to ONNX.	False

format: Format property

Format represented by CustomConfig.

Returns:

Type	Description
Format	OnnxConfig format

name() classmethod

Name of the config.

Source code in model_navigator/api/config.py

@classmethod
def name(cls) -> str:
    """Name of the config."""
    return "Onnx"

model_navigator.api.onnx

ONNX optimize API.

optimize(model, dataloader, sample_count=DEFAULT_SAMPLE_COUNT, batching=True, target_formats=None, runners=None, profiler_config=None, workspace=None, verbose=False, debug=False, verify_func=None, custom_configs=None)

Function exports ONNX model to all supported formats.

Parameters:

Name	Type	Description	Default
model	Union[Path, str]	ONNX model path or string	required
dataloader	SizedDataLoader	Sized iterable with data that will be feed to the model	required
sample_count	int	Limits how many samples will be used from dataloader	DEFAULT_SAMPLE_COUNT
batching	Optional[bool]	Enable or disable batching on first (index 0) dimension of the model	True
target_formats	Optional[Union[Union[str, Format], Tuple[Union[str, Format], ...]]]	Target model formats for optimize process	None
runners	Optional[Union[Union[str, Type[NavigatorRunner]], Tuple[Union[str, Type[NavigatorRunner]], ...]]]	Use only runners provided as parameter	None
profiler_config	Optional[ProfilerConfig]	Profiling config	None
workspace	Optional[Path]	Workspace where packages will be extracted	None
verbose	bool	Enable verbose logging	False
debug	bool	Enable debug logging from commands	False
verify_func	Optional[VerifyFunction]	Function for additional model verification	None
custom_configs	Optional[Sequence[CustomConfig]]	Sequence of CustomConfigs used to control produced artifacts	None

Returns:

Type	Description
Package	Package descriptor representing created package.

Source code in model_navigator/api/onnx.py

def optimize(
    model: Union[Path, str],
    dataloader: SizedDataLoader,
    sample_count: int = DEFAULT_SAMPLE_COUNT,
    batching: Optional[bool] = True,
    target_formats: Optional[Union[Union[str, Format], Tuple[Union[str, Format], ...]]] = None,
    runners: Optional[Union[Union[str, Type[NavigatorRunner]], Tuple[Union[str, Type[NavigatorRunner]], ...]]] = None,
    profiler_config: Optional[ProfilerConfig] = None,
    workspace: Optional[Path] = None,
    verbose: bool = False,
    debug: bool = False,
    verify_func: Optional[VerifyFunction] = None,
    custom_configs: Optional[Sequence[CustomConfig]] = None,
) -> Package:
    """Function exports ONNX model to all supported formats.

    Args:
        model: ONNX model path or string
        dataloader: Sized iterable with data that will be feed to the model
        sample_count: Limits how many samples will be used from dataloader
        batching: Enable or disable batching on first (index 0) dimension of the model
        target_formats: Target model formats for optimize process
        runners: Use only runners provided as parameter
        profiler_config: Profiling config
        workspace: Workspace where packages will be extracted
        verbose: Enable verbose logging
        debug: Enable debug logging from commands
        verify_func: Function for additional model verification
        custom_configs: Sequence of CustomConfigs used to control produced artifacts

    Returns:
        Package descriptor representing created package.
    """
    if isinstance(model, str):
        model = Path(model)
    if workspace is None:
        workspace = get_default_workspace()
    if target_formats is None:
        target_formats = DEFAULT_ONNX_TARGET_FORMATS

    if runners is None:
        runners = default_runners()

    if profiler_config is None:
        profiler_config = ProfilerConfig()

    target_formats_enums = enums.parse(target_formats, Format)
    runner_names = enums.parse(runners, lambda runner: runner if isinstance(runner, str) else runner.name())

    if Format.ONNX not in target_formats_enums:
        target_formats_enums = (Format.ONNX,) + target_formats_enums

    config = CommonConfig(
        Framework.ONNX,
        model=model,
        dataloader=dataloader,
        workspace=workspace,
        target_formats=target_formats_enums,
        sample_count=sample_count,
        batch_dim=0 if batching else None,
        runner_names=runner_names,
        profiler_config=profiler_config,
        verbose=verbose,
        debug=debug,
        verify_func=verify_func,
        custom_configs=map_custom_configs(custom_configs=custom_configs),
    )

    models_config = ModelConfigBuilder.generate_model_config(
        framework=Framework.ONNX,
        target_formats=target_formats_enums,
        custom_configs=custom_configs,
    )

    builders = [
        preprocessing_builder,
        onnx_export_builder,
        onnx_conversion_builder,
        correctness_builder,
    ]
    if profiler_config.run_profiling:
        builders.append(profiling_builder)
    builders.append(verify_builder)

    package = PipelineManager.run(
        pipeline_builders=builders,
        config=config,
        models_config=models_config,
    )

    return package