[OMPI users] reasons for jitter other than paffinity

2010-06-01 Thread Javier Fernández
Hello, I was running the pi demo on multicores (Pentium Dual, Core i7) to see it scale, but sometimes the time measurements return disparate results. The FAQ suggests processor affinity as one possible reason for that. For instance, the demo takes 3s in one core of the Pentium Dual $ mpirun -h

[OMPI users] Octave MPITB for Open-MPI

2007-07-18 Thread Javier Fernández
MPITB is an Octave toolbox for MPI. The new release also works with Open-MPI. Test reports are welcome, since this is an initial release. For more information see http://atc.ugr.es/javier-bin/mpitb Thanks -javier