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[PyTorch] Use __torch_function__ as a class method#783

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Merged
ksivaman merged 1 commit into from
Apr 16, 2024
Merged

[PyTorch] Use __torch_function__ as a class method #783

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9 changes: 6 additions & 3 deletions transformer_engine/pytorch/float8_tensor.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -263,7 +263,7 @@ def forward(
@staticmethod
def backward(ctx,
grad: torch.Tensor,
) -> Tuple[[torch.Tensor, None], ...]:
) -> Tuple[Union[torch.Tensor, None], ...]:

if isinstance(grad, Float8Tensor):
dgrad = Float8Tensor.make_like(
Expand DownExpand Up@@ -853,5 +853,8 @@ def _set_data(self, tensor: torch.Tensor) -> None:
_transpose_invalid = property(**_make_fp8_attr_property_funcs("transpose_invalid"))
_scale_inv = property(**_make_fp8_attr_property_funcs("scale_inv"))

# Do not force the Float8Tensor type on the returned tensor
__torch_function__ = torch._C._disabled_torch_function_impl
@classmethod
def __torch_function__(cls, func, types, args=(), kwargs=None):
if kwargs is None:
kwargs = {}
return torch._C._disabled_torch_function_impl(func, types, args, kwargs)