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Re: [Starpu-devel] Issue with lws


Chronologique Discussions 
  • From: Mathieu Faverge <mathieu.faverge@inria.fr>
  • To: Samuel Thibault <samuel.thibault@inria.fr>, starpu-devel@lists.gforge.inria.fr
  • Subject: Re: [Starpu-devel] Issue with lws
  • Date: Thu, 20 Sep 2018 17:16:38 +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>

And to keep it in mind somewhere:

export HWLOC_COMPONENTS=-cuda

solves the issue if no cuda devices is required.

Thanks Sam !!!

Mathieu

Le 20/09/2018 à 17:08, Samuel Thibault a écrit :
Samuel Thibault, le jeu. 20 sept. 2018 16:38:48 +0200, a ecrit:
Mathieu Faverge, le jeu. 20 sept. 2018 16:17:28 +0200, a ecrit:
Not sure it's only  StarPU, butpause/resume doesn't change that.
However:
   StarPU initialization time 9.064140e+00 s
Ouch!
Ok, we have found that it's hwloc's cuda plugin which is crazily long
when the devices are not in persistent mode.

Samuel



--
--
Mathieu Faverge
Maitre de conférence / Associate Professor
Institut Polytechnique de Bordeaux - ENSEIRB-Matmeca
INRIA Bordeaux - Sud-Ouest, HiePACS Team
200 avenue de la vielle tour
33405 Talence Cedex
Phone: (+33) 5 24 57 40 73





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