Fix datatype issue with Sparse Attention softmax #363
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Fixes a dataype issue with softmax where the number of blocks being sent to the Triton kernel source was a torch.Tensor but should have been a python integer. On some environments (e.g., conda) this resulted in triton not knowing how to serialize the input (and crashing in our tests). Once switching to the correct datatype that triton expects this seems to have solved the issue.
jeffra
requested review from
arashashari,
awan-10,
cli99,
conglongli,
eltonzheng,
minjiaz,
niumanar,
RezaYazdaniAminabadi,
samyam,
ShadenSmith and
tjruwase
as code owners
arashashari
approved these changes
Sep 4, 2020
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Fixes a dataype issue with softmax where the number of blocks being sent to the Triton kernel source was a torch.Tensor but should have been a python integer. On some environments (e.g., conda) this resulted in triton not knowing how to serialize the input (and crashing in our tests). Once switching to the correct datatype that triton expects this seems to have solved the issue.
In the future it would be great if we can add python type hints across DeepSpeed to help with these types of issues. https://docs.python.org/3/library/typing.html