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- From: Samuel Thibault <samuel.thibault@ens-lyon.org>
- To: Xavier Lacoste <xavier.lacoste@inria.fr>
- Cc: starpu-devel@lists.gforge.inria.fr
- Subject: Re: [Starpu-devel] Performance decreasing by adding empty tasks
- Date: Mon, 13 Feb 2012 15:46:21 +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>
Xavier Lacoste, le Wed 08 Feb 2012 15:26:40 +0100, a écrit :
> Do you have any clue ?
Not really. We'd need to know why
> I also noticed on all my Gantt diagramms (even with the best ones) that
> I have one task isolated, a large amount of "blocked" time and then my task
> (I can send Gantts)
that ↑ happens. You can for instance try to create a DAG (section
"Performance feedback", "Off-line performance feedback" of the
documentation). Perhaps your use of StarPU implies a lot of useless
dependencies between tasks.
Samuel
- [Starpu-devel] Performance decreasing by adding empty tasks, Xavier Lacoste, 08/02/2012
- <Suite(s) possible(s)>
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 13/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 13/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 13/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Xavier Lacoste, 13/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 13/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 13/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 13/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Xavier Lacoste, 15/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Xavier Lacoste, 16/02/2012
- Message indisponible
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 16/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Xavier Lacoste, 17/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Xavier Lacoste, 21/02/2012
- Message indisponible
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 23/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Xavier Lacoste, 17/02/2012
- Re: [Starpu-devel] Performance decreasing by adding empty tasks, Samuel Thibault, 16/02/2012
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