Re: [OMPI users] Max number of processes per host for an OMPI run?

2013-09-12 Thread Francesco Simula
I confirm that raising the max 'open files' limit to 2048 allows launching up to 510 processes per node. By the way, I just discovered that launching the processes while being logged directly onto the host instead of the front-end machine gives a clearer error message that would have probably

[OMPI users] Segmentation fault with fresh compilation of 1.7.2

2013-09-12 Thread Matthieu Brucher
Hi, I compiled OpenMPI on a RHEL6 box with LSF support, but when I run sonthing, it crashes. Also orte-info crashes: Package: Open MPI mbruc...@xxx.com Distribution Open RTE: 1.7.2 Open RTE repo revision: r28673 Open RTE release date: Jun 26, 2013

[OMPI users] Typo on the FAQ page

2013-09-12 Thread Matthieu Brucher
Hi, I saw a typo on the FAQ page http://www.open-mpi.org/faq/?category=mpi-apps. It says that the variable to change the CXX compiler is OMPI_MPIXX, but it is OMPI_MPICXX (a C is missing). Cheers, -- Information System Engineer, Ph.D. Blog: http://matt.eifelle.com LinkedIn: http://www.linkedin.c