Re: [OMPI users] libnuma with openmpi

2015-05-12 Thread Chaitra Kumar
Thanks Ralph for your help. By adding --bind-to none, I am able to control core binding in my application, using libnuma. Regards, Chaitra On Tue, May 12, 2015 at 10:03 AM, Ralph Castain wrote: > The 1.8 series automatically binds, so I suspect you are getting some > cross-interference. You

Re: [OMPI users] libnuma with openmpi

2015-05-12 Thread Ralph Castain
The 1.8 series automatically binds, so I suspect you are getting some cross-interference. You might try adding —bind-to none to your cmd line. Or you could just let OMPI bind you to core anyway. > On May 11, 2015, at 9:26 PM, Chaitra Kumar wrote: > > Hi Jeff, > > Thanks for your reply. > Th

Re: [OMPI users] libnuma with openmpi

2015-05-12 Thread Chaitra Kumar
Hi Jeff, Thanks for your reply. The code works without any errors on MVAPICH2. Using openMPI am getting segmentation fault. I found in the older versions of openMPI we can enable libnuma support by using the flag '--with-libnuma'. I am using openMPI 1.8.1. Is there an option to configure lates