Re: [OMPI users] using the xrc queues

2013-07-10 Thread Shamis, Pavel
Ben, You may try to disable registration cache, it may relieve pressure on memory resources. --mca mpi_leave_pinned 0 You may find a bit more details here: http://www.open-mpi.org/faq/?category=openfabrics#large-message-leave-pinned Using the option you may observe drop in BW performance. R

Re: [OMPI users] Hints for running OpenMPI on Intel/Phi (MIC) enabled hosts

2013-07-10 Thread Tim Carlson
On Wed, 10 Jul 2013, Ralph Castain wrote: And as was pointed out in a followup email, this problem was corrected in 1.6.5. I was using 1.6.4 Thanks! Tim Yeah, we discussed taking things from your thread, plus the wiki page on cross-compiling OMPI, and creating a new FAQ area. I'll do so - t

Re: [OMPI users] [EXTERNAL] Re: Hints for running OpenMPI on Intel/Phi (MIC) enabled hosts

2013-07-10 Thread Barrett, Brian W
Although this particular bug should be fixed in 1.6.5 and 1.7.2; which version of Open MPI are you using? Brian On 7/10/13 10:29 AM, "Ralph Castain" wrote: >Yeah, we discussed taking things from your thread, plus the wiki page on >cross-compiling OMPI, and creating a new FAQ area. I'll do so -

Re: [OMPI users] Hints for running OpenMPI on Intel/Phi (MIC) enabled hosts

2013-07-10 Thread Ralph Castain
Yeah, we discussed taking things from your thread, plus the wiki page on cross-compiling OMPI, and creating a new FAQ area. I'll do so - thanks! On Jul 10, 2013, at 9:14 AM, Tim Carlson wrote: > I've polluted the previous thread on GPU abilites with so much Intel/Phi bits > that I decided a fe

[OMPI users] Hints for running OpenMPI on Intel/Phi (MIC) enabled hosts

2013-07-10 Thread Tim Carlson
I've polluted the previous thread on GPU abilites with so much Intel/Phi bits that I decided a few new threads might be a good idea. First off I think the following could be a FAQ entry. If you have cluster with Phi cards and are using the SCIF interface with OFED, OpenMPI between two hosts (