[gmx-users] GROMACS simulation with GPU at different nodes

[Mark Abraham]

Hi,

This is normal, mdrun in older versions only reports on the GPU on the
first rank of each simulation. It uses all the ones it finds, however :-)

Mark

On Wed, 19 Oct 2016 10:02 오태환 <hadronian at icloud.com> wrote:

> Hi lists,
>
>
>
> I am trying to run md simulation using GROMACS 4.6.7. on cluster.
>
> Before I perform the GROMACS simulation, I used single node computer with
> 4 GPUs, and I used this command:
>
> mpirun -np 4 mdrun_mpi -v -deffnm md_ -multi 4 -gpu_id 0123
>
>
>
> However, this cluster has 5 nodes and each node has a GPU, and when I run
> some simulation, GROMACS only detects one GPU on master node.
>
>
>
> Please suggests me the possible solutions for this issue.
>
>
>
> Thanks.
>
>
>
> -TaeHwan Oh
>
>
> --
> Gromacs Users mailing list
>
> * Please search the archive at
> http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before
> posting!
>
> * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
>
> * For (un)subscribe requests visit
> https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or
> send a mail to gmx-users-request at gromacs.org.