Timo, Have you used the default settings, that is one rank/GPU? If that is the case, you may want to try using multiple ranks per GPU, this can often help when you have >4-6 cores/GPU. Separate PME ranks are not switched on by default with GPUs, have you tried using any?
Cheers, -- Szilárd Páll On Tue, Nov 5, 2013 at 3:29 PM, Timo Graen <tgr...@gwdg.de> wrote: > 29420 Atoms with a some tuning of the write out and communication intervals: > nodes again: 2 x Xeon E5-2680v2 + 2 x NVIDIA K20X GPGPUs @ 4fs vsites > 1 node 212 ns/day > 2 nodes 295 ns/day > > -- > 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
