[OMPI users] make check with external libltdl

2014-06-18 Thread Pascal Paschos
make check fails when the 1.8.1 is built with an external libltdl. The system libtool did not have those headers so we provided an external installation of libtool. The source compiles and builds but fails this test: make[3]: *** No rule to make target `../../opal/libltdl/libltdlc.la', needed by

[OMPI users] affinity issues under cpuset torque 1.8.1

2014-06-18 Thread Brock Palen
I have started using 1.8.1 for some codes (meep in this case) and it sometimes works fine, but in a few cases I am seeing ranks being given overlapping CPU assignments, not always though. Example job, default binding options (so by-core right?): Assigned nodes, the one in question is nyx5398, w

Re: [OMPI users] affinity issues under cpuset torque 1.8.1

2014-06-18 Thread Ralph Castain
The default binding option depends on the number of procs - it is bind-to core for np=2, and bind-to socket for np > 2. You never said, but should I assume you ran 4 ranks? If so, then we should be trying to bind-to socket. I'm not sure what your cpuset is telling us - are you binding us to a so