From: Ajasja Ljubetič (ajasja.ljubetic_at_gmail.com)
Date: Tue Oct 29 2013 - 08:33:42 CDT
> As I've told I have typical desktop with 6 pci/e slots and 1 coreI7 (4
> cores) + 2 GPU + 4 RAM slots (each of 4gb or 8gb I dont remember it now
> clearly :) ). I'd like to launch simulations ( water soluble as well as
> membrane proteins using NAMD with the explicit solvents (50k and 80k atoms
> resp) using both GPUs simultaneously and CPU for one run.
> What another extra modification of my desktop as well as simulation
> parameters should I take into account? Are any other specified drivers
> needed for typical Linux-based multi GPU workstation?
Make sure to pick a motherboard with two 16x speed PCIE ports. (Probably
PCIE 3.0?). Personally I don't think you will see the scaling you desire.
I.e., the GPUs will be underutilized. But then again, YMMV. Just remember,
NAMD is very memory bandwidth hungry.
This archive was generated by hypermail 2.1.6 : Wed Dec 31 2014 - 23:21:50 CST