[torqueusers] NCPUS environment variable?

Chris Samuel csamuel at vpac.org
Wed Jul 13 17:27:24 MDT 2005


On Wed, 13 Jul 2005 04:06 am, Martin Siegert wrote:

> As far as I can tell ncpus=8 works like nodes=1:ppn=8, but I am not sure
> whether it only works on certain architectures.

It may depend more on how the scheduler you use interprets this.

My experience is that Maui and Moab both interpret it as asking for that many 
CPUs on a single node rather than for spare CPUs spread across a cluster.

No idea what pbs_sched does, haven't used that for many a year..

cheers,
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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