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Support aarch64 + libcufile #339

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bdice opened this issue Feb 10, 2024 · 1 comment
Open

Support aarch64 + libcufile #339

bdice opened this issue Feb 10, 2024 · 1 comment
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@bdice
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bdice commented Feb 10, 2024

As of CUDA 12.2, there is a libcufile library for aarch64. In #328, we updated to CUDA 12.2 but decided to hold off on changing behavior around libcufile on aarch64. Because kvikio dlopens libcufile, it may be possible to have a runtime check that disables libcufile support on aarch64 with CUDA < 12.2 (or if the library is not installed). I haven't investigated this very far, but wanted to open this issue for tracking purposes.

See also: #328 (review)

We wouldn't be able to add libcufile as a hard dependency on aarch64 until dropping CUDA 12.0 / 12.1, but it should be possible to build a package that supports libcufile if it is installed by the user.

cc: @vyasr, thanks for the proposal. This sounds plausible.

@bdice bdice added the feature request New feature or request label Feb 10, 2024
@vyasr
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vyasr commented Feb 10, 2024

Thanks for opening the issue Bradley. I'm pretty sure this is the right long-term answer here, but it's not a blocker for us getting CUDA 12.2 done.

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