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starpu-devel - Re: [Starpu-devel] Performance decline from StarPU 1.2.3 to 1.2.4

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Re: [Starpu-devel] Performance decline from StarPU 1.2.3 to 1.2.4


Chronologique Discussions 
  • From: Samuel Thibault <samuel.thibault@inria.fr>
  • To: Mirko Myllykoski <mirkom@cs.umu.se>
  • Cc: Starpu Devel <starpu-devel@lists.gforge.inria.fr>
  • Subject: Re: [Starpu-devel] Performance decline from StarPU 1.2.3 to 1.2.4
  • Date: Thu, 27 Sep 2018 17:16:44 +0200
  • 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>
  • Organization: I am not organized

Mirko Myllykoski, le jeu. 27 sept. 2018 16:18:26 +0200, a ecrit:
> I modified StarPU 1.2.4 such that CHUNKS_NFREE was set to 1. No change.

Ok, so I don't have any other immediate idea, git-bisecting the 1.2
branch would probably give us an idea where to look at.

> It also looks like StarPU 1.2.4 is struggling to calibrate the performance
> models.

That's probably just a consequence of the issue.

Samuel




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