Enabling/disabling Myrinet shared memory with mpiexec

Chris Samuel csamuel at vpac.org
Thu Mar 31 23:32:06 EST 2005


On Fri, 1 Apr 2005 02:22 pm, Patrick Geoffray wrote:

> Yes. The NUMA variant is pretty exotic also (multiple NICs in large
> SMPs), so GMPI_SHMEM is really only used to turn shared memory off by
> setting it to 0.

That's fine, our boxes are only 4 CPUs with your E cards (dual link), so I 
doubt it will make much difference.

I'm just trying variations of a simple NAMD problem at the moment to see if it 
makes a difference, but I doubt there will be..

> Date: Thu, 31 Mar 2005 23:22:55 -0500

I hope they're paying you for replying to email this late!

Thanks again!
Chris
-- 
 Christopher Samuel - (03)9925 4751 - VPAC Deputy Systems Manager
 Victorian Partnership for Advanced Computing http://www.vpac.org/
 Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia

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