Re: [OMPI users] OpenMPI sucks CPU when doing nothing

2007-02-01 Thread Jeff Squyres
On Jan 11, 2007, at 6:59 AM, Wolfgang Wieser wrote: I'm just in progress of selecting an MPI implementation to be used on a compute server cluster at the University of Munich. Since MPI_THREAD_MULTIPLE is a requirement, I went for OpenMPI. Sorry for the delay in replying here -- all the OMPI d

[OMPI users] OpenMPI sucks CPU when doing nothing

2007-01-11 Thread Wolfgang Wieser
Hello... I'm just in progress of selecting an MPI implementation to be used on a compute server cluster at the University of Munich. Since MPI_THREAD_MULTIPLE is a requirement, I went for OpenMPI. The setup is a rack of boxes running Linux and connected with gigabit ethernet. However, there