[torquedev] Re: [torqueusers] Release of TORQUE 2.3.3

Chris Samuel csamuel at vpac.org
Sat Aug 16 01:24:19 MDT 2008

----- "Josh Butikofer" <josh at clusterresources.com> wrote:

> This is useful for some MPI libraries. For example, SGI MPT (one of
> the main motivators for  pbs_track's introduction) needs to start
> the process that ultimately becomes the MPI task. It can't allow
> pbs_mom to fork()/exec() the process--tm_spawn() won't work in
> this case. (I'm not sure as to why this is the case...I'm not
> an expert on SGI MPT.)

The issues around this were explained quite well in
Kevin Pulo's paper "Managing the APAC NF Altix cluster"
at APAC'05.


It comes down to the fact that it relies on arrayd to
start MPI processes..

Christopher Samuel - (03) 9925 4751 - Systems Manager
 The Victorian Partnership for Advanced Computing
 P.O. Box 201, Carlton South, VIC 3053, Australia
VPAC is a not-for-profit Registered Research Agency

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