Re: [OMPI users] centos 7.2 openmpi from repo, stdout issue

2016-10-11 Thread Emre Brookes
FYI - We upgraded to Open MPI 2.0.1 and this resolved the issue. Of course, it was not so simple to get there, as the Centos 7.2 default gcc (4.8.4) produced "internal compiler error" when recompiling NAMD with OMPI 2.0.1 and 1.10.4. So we had to install a newer compiler. One interesting

Re: [OMPI users] centos 7.2 openmpi from repo, stdout issue

2016-10-05 Thread Emre Brookes
Thank you for the sanity check and recommendations. I will post my results here when resolved. Jeff Squyres (jsquyres) wrote: We did have some kind of stdout/stderr truncation issue a little while ago, but I don't remember what version it specifically affected. I would definitely update to at

Re: [OMPI users] centos 7.2 openmpi from repo, stdout issue

2016-10-05 Thread Jeff Squyres (jsquyres)
We did have some kind of stdout/stderr truncation issue a little while ago, but I don't remember what version it specifically affected. I would definitely update to at least Open MPI 1.10.4 (lots of bug fixes since 1.10.0). Better would be to update to Open MPI 2.0.1 -- that's the current

[OMPI users] centos 7.2 openmpi from repo, stdout issue

2016-10-05 Thread Emre Brookes
$ cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) $ yum list installed | grep openmpi openmpi.x86_64 1.10.0-10.el7 @base openmpi-devel.x86_64 1.10.0-10.el7 @base (1) When I run $ mpirun -H myhosts -np myprocs executable