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Re: [Starpu-devel] StarPU overhead for MPI


Chronologique Discussions 
  • From: Samuel Thibault <samuel.thibault@inria.fr>
  • To: Philippe SWARTVAGHER <philippe.swartvagher@inria.fr>
  • Cc: starpu-devel@lists.gforge.inria.fr
  • Subject: Re: [Starpu-devel] StarPU overhead for MPI
  • Date: Wed, 12 Feb 2020 10:13:22 -0800
  • 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

Hello,

Philippe SWARTVAGHER, le mer. 12 févr. 2020 09:50:24 +0100, a ecrit:
> > I pushed to master an optimization (which was TODO for something like a
> > decade) that avoids this part of the backtrace:
>
> I tested this morning on 4 miriel nodes, with Cholesky/Chameleon. I got the
> following backtrace, regardless of the communication layer:

Ok, I found the issue and pushed a fix.

Samuel




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