[gmx-users] Building a Larger Liquid Phase - Truncate 'Vacuum'

Elton Carvalho eltonfc at gmail.com
Thu Jul 30 21:15:16 CEST 2015


On Thu, Jul 30, 2015 at 1:34 PM, Justin Lemkul <jalemkul at vt.edu> wrote:
>
> There are as many DD cells as there are (thread-)MPI processes.  These can
> be further subdivided into multiple OpenMP threads.  What I was talking
> about above is the use of only OpenMP, e.g.
>
> mdrun -ntmpi 1 -nt X
>
> There is no use of DD in this case.
>

Thanks, Justin,

If there's no DD if only OpenMP threads are used, how is the load
distributed among the threads? Particle decomposition? If I issue the
option -dd X Y Z will it be ignored if there's one oen (thread-)MPI
process?

-- 
Elton Carvalho


More information about the gromacs.org_gmx-users mailing list