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Re: [Starpu-devel] Only 2 OpenCL Devices available


Chronologique Discussions 
  • From: "Julian Holzmüller" <h-julian@gmx.at>
  • To: "Samuel Thibault" <samuel.thibault@ens-lyon.org>
  • Subject: Re: [Starpu-devel] Only 2 OpenCL Devices available
  • Date: Sun, 10 Nov 2013 19:39:04 +0100 (CET)
  • Importance: normal
  • 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>
  • Resent-date: Sun, 10 Nov 2013 19:48:51 +0100
  • Resent-from: Samuel Thibault <samuel.thibault@ens-lyon.org>
  • Resent-message-id: <20131110184851.GH21410@type.youpi.perso.aquilenet.fr>
  • Resent-to: starpu-devel@lists.gforge.inria.fr
  • Sensitivity: Normal

unfortunately thats not the case. i have 4 cpu cores, one core is eaten by the StarPU driver, thats right, but i am not able to use the other 3 cores as OpenCL devices.
 
./starpu_machine_display says:
 

StarPU has found :

   3 CPU cores

       CPU 0

       CPU 1

       CPU 2

   0 CUDA devices

   1 OpenCL devices

       OpenCL 0 (Quadro FX 880M)
 
STARPU_OPENCL_ON_CPUS=1 ./starpu_machine_display says:
 

StarPU has found :

   2 CPU cores

       CPU 0

       CPU 1

   0 CUDA devices

   2 OpenCL devices

       OpenCL 0 (Intel(R) Core(TM) i7 CPU       Q 720  @ 1.60GHz)

       OpenCL 1 (Quadro FX 880M)

 

I can only use 1 core as an OpenCL device.




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