Re: [OMPI users] oversubscription of slots with GridEngine

2014-11-09 Thread Reuti
Hi, > Am 09.11.2014 um 18:20 schrieb SLIM H.A. : > > We switched on hyper threading on our cluster with two eight core sockets per > node (32 threads per node). > > We configured gridengine with 16 slots per node to allow the 16 extra > threads for kernel process use but this apparently does

[OMPI users] oversubscription of slots with GridEngine

2014-11-09 Thread SLIM H.A.
We switched on hyper threading on our cluster with two eight core sockets per node (32 threads per node). We configured gridengine with 16 slots per node to allow the 16 extra threads for kernel process use but this apparently does not work. Printout of the gridengine hostfile shows that for a

Re: [OMPI users] What could cause a segfault in OpenMPI?

2014-11-09 Thread Saliya Ekanayake
Hi Jeff, You are probably busy, but just checking if you had a chance to look at this. Thanks, Saliya On Thu, Nov 6, 2014 at 9:19 AM, Saliya Ekanayake wrote: > Hi Jeff, > > I've attached a tar file with information. > > Thank you, > Saliya > > On Tue, Nov 4, 2014 at 4:18 PM, Jeff Squyres (jsqu