That should never happen. If mdrun is compiled with GPU support and GPUs are detected, the detection stats should always get printed.
Can you reliably reproduce the issue? -- Szilárd On Fri, Aug 2, 2013 at 9:50 AM, Jernej Zidar <jernej.zi...@gmail.com> wrote: > Hi there. > Lately I've been running simulations using GPUs on a computer node. > I noticed that though the GPUs are always in use sometimes I don't get > this message in the output: > Using 4 MPI threads > Using 2 OpenMP threads per tMPI thread > > 4 GPUs detected: > #0: NVIDIA Tesla C2070, compute cap.: 2.0, ECC: yes, stat: compatible > #1: NVIDIA Tesla C2070, compute cap.: 2.0, ECC: yes, stat: compatible > #2: NVIDIA Tesla C2070, compute cap.: 2.0, ECC: yes, stat: compatible > #3: NVIDIA Tesla C2070, compute cap.: 2.0, ECC: yes, stat: compatible > > 4 GPUs auto-selected for this run: #0, #1, #2, #3 > > - - - - > > Is this a small bug in mdrun? The GPUs are clearly in use even when > the message is not displayed. I can see that from the overall > performance. > > I'm using Gromacs 4.6.3 with version 5.0 of the CUDA libraries. > > Thanks, > Jernej > -- > gmx-users mailing list gmx-users@gromacs.org > http://lists.gromacs.org/mailman/listinfo/gmx-users > * Please search the archive at > http://www.gromacs.org/Support/Mailing_Lists/Search before posting! > * Please don't post (un)subscribe requests to the list. Use the > www interface or send it to gmx-users-requ...@gromacs.org. > * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists -- gmx-users mailing list gmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! * Please don't post (un)subscribe requests to the list. Use the www interface or send it to gmx-users-requ...@gromacs.org. * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists