[Openmp-commits] [PATCH] D74145: [OpenMP][Offloading] Added support for multiple streams so that multiple kernels can be executed concurrently

Shilei Tian via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Sat Feb 8 14:03:09 PST 2020

tianshilei1992 added a comment.

In D74145#1865837 <https://reviews.llvm.org/D74145#1865837>, @jdoerfert wrote:

> We will probably need "version 2" functions soon which take additional information, e.g., the stream to be used. I would suggest to test this as is and merge it before we go there. It should already allow overlap between threads that offload. The "version 2" will only shrink the overhead per thread. That said, we are working on the `nowait` support so there will be other changes soon anyway.

Yes, later we will take stream it previous used for data transfer into consideration when selecting stream for kernel, and other potential optimization.



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