[gmx-users] GPU job often stopped
szilard.pall at cbr.su.se
Mon Apr 29 18:06:12 CEST 2013
On Mon, Apr 29, 2013 at 3:51 PM, Albert <mailmd2011 at gmail.com> wrote:
> On 04/29/2013 03:47 PM, Szilárd Páll wrote:
>> In that case, while it isn't very likely, the issue could be caused by
>> some implementation detail which aims to avoid performance loss caused
>> by an issue in the NVIDIA drivers.
>> Try running with the GMX_CUDA_STREAMSYNC environment variable set.
>> Btw, were there any other processes using the GPU while mdrun was running?
> thanks for kind reply.
> There is no any other process when I am running Gromacs.
> do you mean I should set GMX_CUDA_STREAMSYNC in the job script like:
> export GMX_CUDA_STREAMSYNC=/opt/cuda-5.0
Sort of, but the value does not matter. So if your shell is bash, the
above as well as simply "export GMX_CUDA_STREAMSYNC=" will work fine.
Let us know if this avoided the crash - when you have simulated long
enough to be able to judge.
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