[gmx-users] cpu threads in a gpu run
pall.szilard at gmail.com
Thu Jul 12 16:33:16 CEST 2018
On Tue, Jul 10, 2018 at 5:12 AM Mahmood Naderan <nt_mahmood at yahoo.com>
> No idea? It seems to be odd. At the beginning of run, I see
> NOTE: GROMACS was configured without NVML support hence it can not exploit
> application clocks of the detected Quadro M2000 GPU to improve
> Recompile with the NVML library (compatible with the driver used) or
> set application clocks manually.
> Is the behavior I see, related to this note? I doubt, but if someone has a
> comment, I appreciate that.
No, that just notes that the so-called "Application clocks" feature of
NVIDIA GPUs can be used to set a higher than default clock rate on the GPU
which in the majority of the cases improves performance.
> On Monday, July 9, 2018, 3:13:20 PM GMT+4:30, Mahmood Naderan <
> nt_mahmood at yahoo.com> wrote:
> When I run "-nt 16 -nb cpu", I see nearly 1600% cpu utilization. However,
> when I run "-nt 16 -nb gpu", I see about 600% cpu utilization. Is there any
> reason about that? I want to know with the cpu threads in a gpu run is
> Gromacs Users mailing list
> * Please search the archive at
> http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before
> * 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.
More information about the gromacs.org_gmx-users