[gmx-users] (no) superlinear Scaling on Opterons

As a little update I want to share the following numbers. Maybe they are useful for somebody, who wants to configure his next cluster. :-) Davids suggestion with the -shuffle hit exactly the crucial point. Thanks. cores ns/day (speedup) - -shuffle-shuffle -sort 01

Re: [gmx-users] (no) superlinear Scaling on Opterons

Jens Krueger wrote: Hello, there have been multiple reports on the list of superlinear scaling on AMD Opterons of the 200 series. We have recently purchased a small cluster with the following configuration for each compute node: - 2x Opteron 2218 (4 cores per node) - 2 GB RAM -

[gmx-users] (no) superlinear Scaling on Opterons

Hello, there have been multiple reports on the list of superlinear scaling on AMD Opterons of the 200 series. We have recently purchased a small cluster with the following configuration for each compute node: - 2x Opteron 2218 (4 cores per node) - 2 GB RAM - Supermicro H8DM8 mainboard - Mellanox