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- From: Mirko Myllykoski <mirkom@cs.umu.se>
- To: samuel.thibault@inria.fr
- Cc: Starpu Devel <starpu-devel@lists.gforge.inria.fr>
- Subject: Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory
- Date: Fri, 01 Mar 2019 18:11:57 +0100
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Hi,
On 2019-02-27 23:10, Samuel Thibault wrote:
I waited until the code appeared to hang and captured a backtrace. I
then repeated the capturing after letting the code to run additional
5-10 seconds. See the attachments.
It seems StarPU has a hard time evicting data indeed. Could you run the
starpu-memusage gdb macro? That'll give us an idea of how data are
busy enough that StarPU can't evict them.
The output of the macro was not very informative:
(gdb) starpu-memusage
Node 0:
Total used: 14, 364MiB
WT: 0, 0MiB
home: 0, 0MiB
redux: 0, 0MiB
relax: 10, 307MiB
noref: 10, 307MiB
nosubdataref: 2, 28MiB
nodataref: 2, 28MiB
cached: 0, 0MiB
Node 1:
Total used: 5815, 4493MiB
WT: 0, 0MiB
home: 0, 0MiB
redux: 0, 0MiB
relax: 0, 0MiB
noref: 0, 0MiB
nosubdataref: 0, 0MiB
nodataref: 0, 0MiB
cached: 0, 0MiB
- Mirko
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Mirko Myllykoski, 01/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Mirko Myllykoski, 01/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Samuel Thibault, 01/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Samuel Thibault, 01/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Mirko Myllykoski, 01/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Samuel Thibault, 01/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Samuel Thibault, 02/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Mirko Myllykoski, 02/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Samuel Thibault, 02/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Mirko Myllykoski, 02/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Samuel Thibault, 02/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Mirko Myllykoski, 02/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Mirko Myllykoski, 01/03/2019
- Re: [Starpu-devel] StarPU code hangs when using a lot of GPU memory, Mirko Myllykoski, 01/03/2019
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