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[Starpu-devel] Performances regression


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  • From: Xavier Lacoste <xavier.lacoste@inria.fr>
  • To: starpu-devel@lists.gforge.inria.fr
  • Subject: [Starpu-devel] Performances regression
  • Date: Wed, 01 Feb 2012 13:14:08 +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>

Hello,

I noticed a performance regression with StarPU between revision 5000 and 5415 :

I factorize my Matrix using starpu :
First factorization : StarPU r5000 45 seconds r5415 82 seconds.
Second factorization : StarPU r5000 25 seconds r5415 58 seconds.

I'm using FXT and also StarPU_PROFILING_ENABLE which seems to slow down a bit StarPU execution.

Paje traces are available on Plafrim ~lacoste/ricar/trunk/pasje_5000.trace ~lacoste/ricar/trunk/pasje_5415.trace

Have a nice day,

XL.








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