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[Export] Keep user-provided dynamic axes #1442

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merged 3 commits into from
Mar 16, 2023
Merged

[Export] Keep user-provided dynamic axes #1442

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b8ab2b3
Keep user-provided dynamic axes
dbogunowicz Mar 15, 2023
823ed27
Merge branch 'main' into dynamic_axes
KSGulin Mar 15, 2023
2dd6e20
Merge branch 'main' into dynamic_axes
dbogunowicz Mar 16, 2023
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25 changes: 13 additions & 12 deletions src/sparseml/pytorch/utils/exporter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -498,19 +498,20 @@ def export_onnx(
if "output_names" not in export_kwargs:
export_kwargs["output_names"] = _get_output_names(out)

# Set all batch sizes to be dynamic
if dynamic_axes is not None:
warnings.warn(
"`dynamic_axes` is deprecated and does not affect anything. "
"The 0th axis is always treated as dynamic.",
category=DeprecationWarning,
)

dynamic_axes = {
tensor_name: {0: "batch"}
for tensor_name in (
export_kwargs["input_names"] + export_kwargs["output_names"]
)
}
for tensor_name in export_kwargs["input_names"] + export_kwargs["output_names"]:
if tensor_name not in dynamic_axes:
dynamic_axes[tensor_name] = {0: "batch"}
else:
dynamic_axes[tensor_name][0] = "batch"
else:
dynamic_axes = {
tensor_name: {0: "batch"}
for tensor_name in (
export_kwargs["input_names"] + export_kwargs["output_names"]
)
}

# disable active quantization observers because they cannot be exported
disabled_observers = []
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