Re: [OMPI users] 1.8.4 behaves completely different from 1.6.5

2015-04-09 Thread Thomas Klimpel
I tried 1.8.5rc1 now. It behaves very similar to 1.8.4 from my point of view (and completely different from 1.6.5). The warning [warn] opal_libevent2021_event_base_loop: reentrant invocation. Only one event_base_loop can run on each event_base at once. is still there. It's easy for me to (re)prod

Re: [OMPI users] MPI_THREAD_MULTIPLE and openib btl

2015-04-09 Thread Subhra Mazumdar
Hi, Does ipoib need to be configured on the ib cards for mxm (I have a separate ethernet connection too)? Also are there special flags in mpirun to select from UD/RC/DC? What is the default? Thanks, Subhra. On Tue, Mar 31, 2015 at 9:46 AM, Mike Dubman wrote: > Hi, > mxm uses IB rdma/roce tech

Re: [OMPI users] OpenMPI 1.8.2 problems on CentOS 6.3

2015-04-09 Thread Lane, William
Ralph, In looking at the /proc/cpuinfo textfile it looks like hyperthreading is enabled (in that it indicates 16 siblings for each of the 8 cores of the two LGA2011 CPU's). I don't have access to the BIOS on this system though so I'll have to check w/someone else. I have done more testing and fou