GB0123

Graph-Break Type

Short name describing what triggered the graph break

Unsupported Tensor.backward() call

Context

Values or code snippet captured at the break point

call_method {self} backward {args} {kwargs}

Explanation

Explanation of why the graph break was triggered

Dynamo currently does not support tracing Tensor.backward().

Hints

Hints on how to resolve the graph break

• This graph break is fundamental - it is unlikely that Dynamo will ever be able to trace through your code. Consider finding a workaround.

Additional Information

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