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Re: [Starpu-devel] OpenMP


Chronologique Discussions 
  • From: Nathalie Furmento <nathalie.furmento@labri.fr>
  • To: uma boregowda <umaboregowda@gmail.com>
  • Cc: "starpu-devel@lists.gforge.inria.fr" <starpu-devel@lists.gforge.inria.fr>
  • Subject: Re: [Starpu-devel] OpenMP
  • Date: Fri, 30 Mar 2012 13:00:29 +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>

On 30/03/2012 12:02, uma boregowda wrote: Hi,


Well, OpenMP programs alone can execute parallel tasks already. What
StarPU brings is choosing for each task whether it should run on a GPU
(that requires writing the CUDA or OpenCL kernel), or on a bunch of
CPUs, using the OpenMP parallel implementation.

   It means, that means starpu will not  do anything more to thread scheduling, if

   one is using only CPU to run the applciation with threads.

As Samuel said before, threads are not scheduled by StarPU. StarPU just sets the binding mask and lets the OS do the scheduling.


   Apart from the applications given in /example folder, are there are other benchmarks     to run on starpu.

Again, as Samuel said, Magma 1.1 can use StarPU.

Cheers,

Nathalie




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