Re: [OMPI users] OpenMPI 1.6.5 on CentOS 7.1, silence ib-locked-pages?

2016-05-18 Thread Gilles Gouaillardet
On top of that, and iirc, there used to be a bug in Open MPI that raised some false warnings about how much memory can be registered. OpenMPI 1.6.5 is antic now, so once you have updated your system settings (see the faq, and ensure ulimit -l is unlimited on all your nodes) and if still does

Re: [OMPI users] OpenMPI 1.6.5 on CentOS 7.1, silence ib-locked-pages?

2016-05-18 Thread Jeff Squyres (jsquyres)
On May 18, 2016, at 6:16 PM, Ryan Novosielski wrote: > > I’m pretty sure this is no longer relevant (having read Roland’s messages > about it from a couple of years ago now). Can you please confirm that for me, > and then let me know if there is any way that I can silence

[OMPI users] OpenMPI 1.6.5 on CentOS 7.1, silence ib-locked-pages?

2016-05-18 Thread Ryan Novosielski
Hi there, I’m getting the following message: --- WARNING: It appears that your OpenFabrics subsystem is configured to only allow registering part of your physical memory. This can cause MPI jobs to run with erratic performance, hang, and/or crash. This may be caused by your OpenFabrics vendor

Re: [OMPI users] Eager sending on InfiniBand

2016-05-18 Thread Xiaolong Cui
Sorry, the figures do not display. They are attached to this message. On Wed, May 18, 2016 at 3:24 PM, Xiaolong Cui wrote: > Hi Nathan, > > I got one more question. I am measuring the number of messages that can be > eagerly sent with a given SRQ. Again, as illustrated

Re: [OMPI users] Eager sending on InfiniBand

2016-05-18 Thread Xiaolong Cui
Hi Nathan, I got one more question. I am measuring the number of messages that can be eagerly sent with a given SRQ. Again, as illustrated below, my program has two ranks, rank 0 sends a variable number (*n*) of messages to rank 1 who is not ready to receive. [image: Inline image 1] I measured

[MTT users] MTT ompi-tests password

2016-05-18 Thread Jeff Squyres (jsquyres)
Folks -- In helping someone get up to speed with MTT yesterday, I updated an MTT sample .ini file and accidentally committed the ompiteam-mtt Github password to the public repository. :-( I have therefore just changed the password for the ompiteam-mtt account. Please contact me off-list for