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Re: [Starpu-devel] Starpu stats about disk, OOC, and swapping


Chronologique Discussions 
  • From: Amani Alonazi <amani.alonazi@kaust.edu.sa>
  • To: Samuel Thibault <samuel.thibault@inria.fr>, Amani Alonazi <amani.alonazi@kaust.edu.sa>, Hatem Ltaief <hatem.ltaief@kaust.edu.sa>, "starpu-devel@lists.gforge.inria.fr" <starpu-devel@lists.gforge.inria.fr>
  • Subject: Re: [Starpu-devel] Starpu stats about disk, OOC, and swapping
  • Date: Fri, 18 Jan 2019 10:26:49 +0300
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All kernels except memecpy are using the asynchronous CUDA submission, i.e., :
cudaStream_t stream = starpu_cuda_get_local_stream();
KERNEL<<<..., stream >>>();
#ifndef STARPU_CUDA_ASYNC
  cudaStreamSynchronize( stream );
#endif
I'll reinstall and update starpu to 1.3 branch.

Many thanks! 

On Thu, Jan 17, 2019 at 7:47 PM Samuel Thibault <samuel.thibault@inria.fr> wrote:
About the missing overlapping of transfers and CUDA computation, I'm
realizing that in StarPU 1.2.x that wasn't indeed as well supported as
it is now, you may want to try the starpu-1.3 branch, which I have btw
fixed to avoid making GPU workers care about disk operations.

Samuel


--
Amani


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