On 17 Nov 2010, at 11:56, Terry Dontje wrote: >> >> You are absolutely correct, Terry, and the 1.4 release series does include >> the proper code. The point here, though, is that SGE binds the orted to a >> single core, even though other cores are also allocated. So the orted >> detects an external binding of one core, and binds all its children to that >> same core. > I do not think you are right here. Chris sent the following which looks like > OGE (fka SGE) actually did bind the hnp to multiple cores. However that > message I believe is not coming from the processes themselves and actually is > only shown by the hnp. I wonder if Chris adds a "-bind-to-core" option > we'll see more output from the a.out's before they exec unterm?
As requested using $ qsub -pe mpi 8 -binding linear:2 myScript.com' and 'mpirun -mca ras_gridengine_verbose 100 --report-bindings -by-core -bind-to-core ./unterm' [exec5:06671] System has detected external process binding to cores 0028 [exec5:06671] ras:gridengine: JOB_ID: 59434 [exec5:06671] ras:gridengine: PE_HOSTFILE: /usr/sge/default/spool/exec5/active_jobs/59434.1/pe_hostfile [exec5:06671] ras:gridengine: exec5.cluster.stats.local: PE_HOSTFILE shows slots=2 [exec5:06671] ras:gridengine: exec1.cluster.stats.local: PE_HOSTFILE shows slots=2 [exec5:06671] ras:gridengine: exec4.cluster.stats.local: PE_HOSTFILE shows slots=1 [exec5:06671] ras:gridengine: exec3.cluster.stats.local: PE_HOSTFILE shows slots=1 [exec5:06671] ras:gridengine: exec2.cluster.stats.local: PE_HOSTFILE shows slots=1 [exec5:06671] ras:gridengine: exec7.cluster.stats.local: PE_HOSTFILE shows slots=1 No more info. I note that the external binding is slightly different to what I had before, but our cluster is busier today :-) Chris -- Dr Chris Jewell Department of Statistics University of Warwick Coventry CV4 7AL UK Tel: +44 (0)24 7615 0778
