[gmx-users] mdrun's mpi version error

Erik Lindahl lindahl at stanford.edu
Sun Oct 27 03:45:58 CET 2002


> Thanks a lot for your help,
> it is working now.
> I'll do now some benchmarks for the Mac OS X cluster

Good to hear - I had access to a dual 1.25 GHz today, and benchmarked it 
using LAM with 1 & 2 cpus.

Unfortunately the shared-memory communication in LAM doesn't work on OS 
X yet since it requires
posix semaphores (and these don't work yet in OS X), so there is more of 
a speed hit than with linux.

I'll add the numbers to the benchmark page in a couple of minutes...



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