On Mon, Jul 9, 2018 at 12:43 PM Mahmood Naderan <nt_mahm...@yahoo.com>
wrote:

> Hi,
> When I run "-nt 16 -nb cpu", I see nearly 1600% cpu utilization.


You request the CPU to do the work, so all cores are fully utilized.


> However, when I run "-nt 16 -nb gpu", I see about 600% cpu utilization.


The default behavior is to offload if there is a GPU and if your GPU is not
fast enough to finish the work offloaded by default, you'll have imbalance
and the CPU will wait.


> Is there any reason about that? I want to know with the cpu threads in a
> gpu run is controllable.
>

See the documentation.



>
>
> Regards,
> Mahmood
> --
> 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-requ...@gromacs.org.
>
-- 
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-requ...@gromacs.org.

Reply via email to