[gmx-users] Results of villin headpiece with AMD 8 core

[Wahab Mirco]

On 14.01.2019 16:32, p buscemi wrote:
> Mirco, to continue the results from the 32 core AMD Ryzen 1080ti
> 8.4 % of the available CPU time was lost due to load imbalance in the domain decomposition.
> Core t (s) Wall t (s) (%)
> Time: 151131.597 2361.432 6400.0
> 39:21
> (ns/day) (hour/ns)
> Performance: 7.318 3.280

This would be the preliminary AMD results for the 4096-DPPC-
membrane system (1.2M atoms):

ns/d  ratio   system                    options
-----------------------------------------------------------
3.24   0.7    8C/16T  R2-2700X/1080      naive run
4.61   1.0    8C/16T  R2-2700X/1080      -ntmpi 4 -ntomp 4 -npme 1
5.13   1.1    8C/16T  R2-2700X/1080-Ti   -ntmpi 4 -ntomp 4 -npme 1
7.32   1.6   32C/64T TR-2990WX/1080-Ti   -ntmpi 8 -ntomp 8 -npme 1


Thanks & regards

Mirco