[Openmp-commits] [PATCH] D95274: [libomptarget][cuda] Call v2 functions explicitly

[Johannes Doerfert via Phabricator via Openmp-commits]

jdoerfert added a comment.

In D95274#2520112 <https://reviews.llvm.org/D95274#2520112>, @kkwli0 wrote:

> In D95274#2520002 <https://reviews.llvm.org/D95274#2520002>, @JonChesterfield wrote:
>
>> What version of cuda are you using? It might be useful to know when things changed.
>>
>> I think we can dlopen cuda, and try to load cuMemcpyDtoHAsync_v2, and then try to load cuMemcpyDtoHAsync on failure. That would get us some degree of robustness to different symbol versions.
>
>
>
>   $ cat /usr/local/cuda/version.txt 
>   CUDA Version 10.2.89

This means dyn_cuda won't work for this version (and others I assume). We might need to look for both symbols in dyn_cuda, wdyt Jon?


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https://reviews.llvm.org/D95274