[Openmp-commits] [PATCH] D141227: [OpenMP][libomptarget] Implement memory lock/unlock API in NextGen plugins

Jon Chesterfield via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Tue Jan 10 12:28:12 PST 2023


JonChesterfield added a comment.

What is locked memory, and could we define it in a comment/documentation somewhere if it isn't already?

Is it the same as mmap LOCKED? That plus extra?

Does it imply GPUs can read/write it? If so, can they read/write within a kernel execution, or can we implement locked memory by copy at the start and end of the execution?


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https://reviews.llvm.org/D141227



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