Files
pytorch/test/custom_operator/my_custom_ops.py
Xuehai Pan 548c460bf1 [BE][Easy][7/19] enforce style for empty lines in import segments in test/[a-c]*/ and test/[q-z]*/ (#129758)
See https://github.com/pytorch/pytorch/pull/129751#issue-2380881501. Most changes are auto-generated by linter.

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Pull Request resolved: https://github.com/pytorch/pytorch/pull/129758
Approved by: https://github.com/ezyang
2024-07-31 10:54:03 +00:00

16 lines
347 B
Python

from model import get_custom_op_library_path
import torch
torch.ops.load_library(get_custom_op_library_path())
@torch.library.impl_abstract("custom::nonzero")
def nonzero_abstract(x):
n = x.dim()
ctx = torch.library.get_ctx()
nnz = ctx.create_unbacked_symint()
shape = [nnz, n]
return x.new_empty(shape, dtype=torch.long)