Re: [OMPI users] Broadcast faster than barrier

2016-05-30 Thread Dorier, Matthieu
Hi, How are you measuring these times? Thanks, Matthieu From: users [users-boun...@open-mpi.org] on behalf of Saliya Ekanayake [esal...@gmail.com] Sent: Monday, May 30, 2016 7:53 AM To: Open MPI Users Subject: [OMPI users] Broadcast faster than barrier Hi, I

Re: [OMPI users] MPI_Bcast implementations in OpenMPI

2016-04-19 Thread Dorier, Matthieu
ompi/mca/coll/tuned/coll_tuned_decision_fixed.c. George. On Tue, Apr 19, 2016 at 4:13 PM, Jeff Squyres (jsquyres) mailto:jsquy...@cisco.com>> wrote: On Apr 15, 2016, at 9:18 AM, Dorier, Matthieu mailto:mdor...@anl.gov>> wrote: > > I'd like to know how OpenMPI imple

[OMPI users] MPI_Bcast implementations in OpenMPI

2016-04-15 Thread Dorier, Matthieu
Hi, I'd like to know how OpenMPI implements MPI_Bcast. And if different implementations are provided, how one is selected. Thanks, Matthieu Dorier