[gmx-developers] using -ddcsx/y/z with and without DLB

Berk Hess hess at kth.se
Wed Oct 26 10:52:22 CEST 2016


Hi,

I think the issue is that -dd expects 3 integers, not a string.

Cheers,

Berk

On 2016-10-26 10:35, Horacio A. Vargas Guzman wrote:
> Dear All.
>
> The commands I tried to run for a processors grid 4x4x4 are:
>
> 1. <mpiexec -n 64 mdrun_mpi -v -s -dlb no -dd "4 4 4" -ddcsx "1.5 1.5 
> 0.5 0.5" -ddcsy "1.5 1.5 0.5 0.5" -ddcsz "1.5 1.5 0.5 0.5">
>
> OR with DLB
>
> 2. <mpiexec -n 64 mdrun_mpi -v -s -dlb yes -dd "4 4 4" -ddcsx "1.5 1.5 
> 0.5 0.5" -ddcsy "1.5 1.5 0.5 0.5" -ddcsz "1.5 1.5 0.5 0.5">
>
> However I also tried with normalized subdomains
>
> 3. <mpiexec -n 64 mdrun_mpi -v -s -dlb no -dd "4 4 4" -ddcsx "0.375 
> 0.375 0.125 0.125" -ddcsy "0.375 0.375 0.125 0.125" -ddcsz "0.375 
> 0.375 0.125 0.125" >
>
> Failed...too many arguments in option -ddcsx.... etc
>
> I searched for a similar issue with documentation but could not find it!
>
> Again thanks for a prompt reply!
>
> Best,
>
> Horacio.
>



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