Re: [OMPI users] Tuning vader for MPI_Wait Halt?

2017-06-05 Thread Nathan Hjelm
Can you provide a reproducer for the hang? What kernel version are you using? Is xpmem installed? -Nathan On Jun 05, 2017, at 10:53 AM, Matt Thompson wrote: OMPI Users, I was wondering if there is a best way to "tune" vader to get around an intermittent MPI_Wait halt? 

[OMPI users] Tuning vader for MPI_Wait Halt?

2017-06-05 Thread Matt Thompson
OMPI Users, I was wondering if there is a best way to "tune" vader to get around an intermittent MPI_Wait halt? I ask because I recently found that if I use Open MPI 2.1.x on either my desktop or on the supercomputer I have access to, if vader is enabled, the model seems to "deadlock" at an