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Re: [Starpu-devel] StarPU overhead for MPI


Chronologique Discussions 
  • From: Philippe SWARTVAGHER <philippe.swartvagher@inria.fr>
  • To: starpu-devel@lists.gforge.inria.fr
  • Subject: Re: [Starpu-devel] StarPU overhead for MPI
  • Date: Thu, 13 Feb 2020 10:01:43 +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>


Le 12/02/2020 à 19:13, Samuel Thibault a écrit :
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.
Your fix works well. Thank you !

--
Philippe SWARTVAGHER

Doctorant
Équipe TADaaM, Inria Bordeaux Sud-Ouest





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