Re: [OMPI users] openmpi 1.5.4 paffinity with Magny-Cours

2011-09-09 Thread Kaizaad Bilimorya
On Fri, 9 Sep 2011, Brice Goglin wrote: Le 09/09/2011 21:03, Kaizaad Bilimorya a écrit : We seem to have an issue similar to this thread "Bug in openmpi 1.5.4 in paffinity" http://www.open-mpi.org/community/lists/users/2011/09/17151.php Using the following version of hwloc (from EPEL repo - w

Re: [OMPI users] openmpi 1.5.4 paffinity with Magny-Cours

2011-09-09 Thread Brice Goglin
Le 09/09/2011 21:03, Kaizaad Bilimorya a écrit : > > We seem to have an issue similar to this thread > > "Bug in openmpi 1.5.4 in paffinity" > http://www.open-mpi.org/community/lists/users/2011/09/17151.php > > Using the following version of hwloc (from EPEL repo - we run CentOS 5.6) > > $ hwloc-in

[OMPI users] openmpi 1.5.4 paffinity with Magny-Cours

2011-09-09 Thread Kaizaad Bilimorya
We seem to have an issue similar to this thread "Bug in openmpi 1.5.4 in paffinity" http://www.open-mpi.org/community/lists/users/2011/09/17151.php Using the following version of hwloc (from EPEL repo - we run CentOS 5.6) $ hwloc-info --version hwloc-info 1.1rc6 A simple "mpi_hello" program w

Re: [OMPI users] Problem with MPI_BARRIER

2011-09-09 Thread Eugene Loh
On 9/8/2011 11:47 AM, Ghislain Lartigue wrote: I guess you're perfectly right! I will try to test it tomorrow by putting a call system("wait(X)) befor the barrier! What does "wait(X)" mean? Anyhow, here is how I see your computation: A) The first barrier simply synchronizes the processes.