Enabling/disabling Myrinet shared memory with mpiexec

Chris Samuel csamuel at vpac.org
Thu Mar 31 22:56:55 EST 2005


On Fri, 1 Apr 2005 01:39 pm, Patrick Geoffray wrote:

> In short, you don't need to change GMPI_SHMEM_PREFIX if /tmp is not NFS
> mounted, and set GMPI_SHMEM to 0 to turn shared memory off (on by default).

Ahhh... that makes things a lot lot clearer!

So if GMPI_SHMEM_PREFIX isn't set they'll use a sensible default and I don't 
need to worry about it unless I want to disable it or change to the NUMA 
variant ?

That's great - just the feedback I needed, thanks so much!

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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