Re: [OMPI users] MPI_Bcast not broadcast to all processes

2007-12-07 Thread alireza ghahremanian
l processes are calling MPI_Bcast with > the same > arguments (e.g., count, datatype, root, etc.), even > on that 4000th > iteration. > > How big are the blocks that you are sending around? > > > On Dec 5, 2007, at 4:08 AM, alireza ghahremanian > wrot

[OMPI users] MPI_Bcast not broadcast to all processes

2007-12-05 Thread alireza ghahremanian
Dear Friends, I am writing a matrix multiplication program with MPI. MPI_Bcast does not broadcast to all processes, in last iteration for block size greater than a specific size. I test it with both MPICH and OPENMPI.I have 12 processes which 7 of them are reached to MPI_Bcast but when master (ran