Files
pytorch/test/custom_operator/pointwise.py
FFFrog 6fc0ad22f0 Using the latest torch.library.register_fake API instead of torch.library.impl_abstract (#158839)
As the title stated.

`torch.library.impl_abstract` have beed deprecated in PyTorch2.4, so change to use the new API.

Pull Request resolved: https://github.com/pytorch/pytorch/pull/158839
Approved by: https://github.com/jingsh, https://github.com/zou3519
ghstack dependencies: #158838
2025-07-25 02:37:30 +00:00

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Python

from model import get_custom_op_library_path
import torch
torch.ops.load_library(get_custom_op_library_path())
# NB: The impl_abstract_pystub for cos actually
# specifies it should live in the my_custom_ops2 module.
@torch.library.register_fake("custom::cos")
def cos_abstract(x):
return torch.empty_like(x)
# NB: There is no impl_abstract_pystub for tan
@torch.library.register_fake("custom::tan")
def tan_abstract(x):
return torch.empty_like(x)