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add value info to the original tensor if it was directly to model output #807

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add value info to the original tensor if it was directly to model output #807

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7 changes: 7 additions & 0 deletions modelopt/onnx/autocast/precisionconverter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,7 @@ def __init__(
self.original_network_io.update(
{io.name: io.type.tensor_type.elem_type for io in self.model.graph.output}
)
self.network_outputs = {o.name: o for o in self.model.graph.output}
self.min_opset = min_opset
self.max_ir_version = max_ir_version
self.trt_plugins = trt_plugins
Expand Down Expand Up @@ -1043,6 +1044,12 @@ def _add_cast(
name=f"{tensor_name}_cast_to_{cast_to.str_short}",
)

if tensor_name in self.network_outputs:
value_info = helper.make_tensor_value_info(tensor_name,
cast_to.onnx_type,
[d.dim_value for d in self.network_outputs[tensor_name].type.tensor_type.shape.dim])
self.model.graph.value_info.append(value_info)

if tensor_to_consumers is None:
consumer_nodes = utils.get_consumer_nodes(self.model, tensor_name)
else:
Expand Down