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Re: [Starpu-devel] Control data movement to/from device


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  • From: Amani Alonazi <amani.alonazi@kaust.edu.sa>
  • To: Samuel Thibault <samuel.thibault@inria.fr>, Amani Alonazi <amani.alonazi@kaust.edu.sa>, starpu-devel@lists.gforge.inria.fr, Hatem Ltaief <Hatem.Ltaief@kaust.edu.sa>
  • Subject: Re: [Starpu-devel] Control data movement to/from device
  • Date: Mon, 1 Apr 2019 13:16:30 +0300
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I'm using lws.

On Mon, Apr 1, 2019 at 12:11 PM Samuel Thibault <samuel.thibault@inria.fr> wrote:
Amani Alonazi, le lun. 01 avril 2019 11:10:16 +0300, a ecrit:
> My main concern is that the time to solution takes longer than expected and the
> stats shows too much data movements than required (only maximum in the worst
> case 800GB from host and device and vise versa):

Which task scheduler are you using?

dmdar or even lws may be better than dmdas, when the application set
doesn't fit in the GPU memory, because they will rather privilege
locality over task priority.

Samuel


--
Amani

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