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- From: Samuel Thibault <samuel.thibault@ens-lyon.org>
- To: Nabeel Alsaber <nabeel.alsaber1@gmail.com>
- Cc: starpu-devel@lists.gforge.inria.fr
- Subject: Re: [Starpu-devel] Overlapping communication with computation on GPU
- Date: Thu, 30 Oct 2014 15:22:01 +0100
- List-archive: <http://lists.gforge.inria.fr/pipermail/starpu-devel/>
- List-id: "Developers list. For discussion of new features, code changes, etc." <starpu-devel.lists.gforge.inria.fr>
Hello,
Nabeel Alsaber, le Wed 29 Oct 2014 15:58:10 -0400, a écrit :
> I am trying to overlap communication with computation in the provided matrix
> multiplication example.
Did you make sure to use a scheduler which takes decisions in advance,
such as dmda? Since the default eager scheduler takes decisions late,
StarPU can't prefetch the data, and thus no overlapping can be done
since the task has to wait for the data to be transferred.
Samuel
- Re: [Starpu-devel] Overlapping communication with computation on GPU, Samuel Thibault, 30/10/2014
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