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Re: [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL.
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- From: Samuel Thibault <samuel.thibault@ens-lyon.org>
- To: Cyril Roelandt <cyril.roelandt@inria.fr>
- Cc: starpu-devel@lists.gforge.inria.fr, ludovic.stordeur@inria.fr
- Subject: Re: [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL.
- Date: Fri, 9 Mar 2012 12:25:58 +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>
Cyril Roelandt, le Fri 09 Mar 2012 03:36:59 +0100, a écrit :
> With CUDA, things start to take an awful lot of time :
>
> $ STARPU_NCPUS=0 STARPU_NCUDA=1 STARPU_NOPENCL=0 time -p
> ./tests/datawizard/reclaim
> ...
> real 46.55
> user 33.84
> sys 15.13
This is actually expected. The test is meant to exercise the memory
reclaiming code, which is used only for gpus.
> With OpenCL, the program just hangs for ever: the program is stuck in
> starpu_task_wait_for_all().
OpenCL's port might not actually support reporting memory outage in all
situations.
Samuel
- [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL., Cyril Roelandt, 09/03/2012
- Re: [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL., Nathalie Furmento, 09/03/2012
- Re: [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL., Cyril Roelandt, 09/03/2012
- Re: [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL., Cyril Roelandt, 15/03/2012
- <Suite(s) possible(s)>
- Re: [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL., Samuel Thibault, 09/03/2012
- Re: [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL., Cyril Roelandt, 09/03/2012
- Re: [Starpu-devel] [BUG] tests/datawizard/reclaim.c: hangs forever in task_wait_for_all when using OpenCL., Nathalie Furmento, 09/03/2012
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