[OMPI users] what order do I get messages coming to MPI Recv from MPI_ANY_SOURCE?

2014-11-10 Thread David A. Schneider
I am implementing a hub/servers MPI application. Each of the servers can get tied up waiting for some data, then they do an MPI Send to the hub. It is relatively simple for me to have the hub waiting around doing a Recv from ANY_SOURCE. The hub can get busy working with the data. What I'm worri

[OMPI users] how to build with memchecker using valgrind, preferable linux distro install of valgrind?

2016-07-14 Thread David A. Schneider
I thought it would be a good idea to build a debugging version of openmpi 1.10.3. Following the instructions in the FAQ: https://www.open-mpi.org/faq/?category=debugging#memchecker_how

Re: [OMPI users] how to build with memchecker using valgrind, preferable linux distro install of valgrind?

2016-07-14 Thread David A. Schneider
then it expects to find /opt/valgrind/include/valgrind/valgrind.h in that tree. If your system doesn't have that, you might need to look for a "dev" or "devel" kind of valgrind package to supplement your main "valgrind" package, and/or install Valgrind from s

[OMPI users] resolving warnings about OpenFabrics not being found

2016-07-14 Thread David A. Schneider
I am getting warnings that OpenFabrics is disabled on one of our queues, but not the other. Does anyone know how to check if the OpenFabrics packages are installed? I'd like to verify if they are installed, and if not ping our IT group. best, David