Re: [OMPI users] low CPU utilization with OpenMPI

2014-10-22 Thread Vinson Leung
Thanks for your reply:) Follow your advice I tried to set the TMPDIR to /var/tmp and /dev/shm and even reset to /tmp (I get the system permission), the problem still occur (CPU utilization still lower than 20%). I have no idea why and ready to give up OpenMPI instead of using other MPI library. --

Re: [OMPI users] New ib locked pages behavior?

2014-10-22 Thread Bill Broadley
On 10/22/2014 12:37 AM, r...@q-leap.de wrote: >> "Bill" == Bill Broadley writes: > > It seems the half-life period of knowledge on the list has decayed to > two weeks on the list :) > > I've commented in detail on this (non-)issue on 2014-08-20: > > http://www.open-mpi.org/community/lists/u

Re: [OMPI users] which info is needed for SIGSEGV in Java for openmpi-dev-124-g91e9686 on Solaris

2014-10-22 Thread Siegmar Gross
Hi Takahiro, > mpiexec and java run as distinct processes. Your JRE message > says java process raises SEGV. So you should trace the java > process, not the mpiexec process. And more, your JRE message > says the crash happened outside the Java Virtual Machine in > native code. So usual Java progra

Re: [OMPI users] New ib locked pages behavior?

2014-10-22 Thread rf
> "Bill" == Bill Broadley writes: It seems the half-life period of knowledge on the list has decayed to two weeks on the list :) I've commented in detail on this (non-)issue on 2014-08-20: http://www.open-mpi.org/community/lists/users/2014/08/25090.php A change in the FAQ and a fix in the

Re: [OMPI users] New ib locked pages behavior?

2014-10-22 Thread Bill Broadley
On 10/21/2014 05:38 PM, Gus Correa wrote: > Hi Bill > > I have 2.6.X CentOS stock kernel. Heh, wow, quite a blast from the past. > I set both parameters. > It works. Yes, for kernels that old I had it working fine. > Maybe the parameter names may changed in 3.X kernels? > (Which is really bad