On 4/7/2010 1:20 AM, Piero Lanucara wrote:
> Dear OpenMPI team
> hiw much performances we should expect using MPI multithread
> capability (MPI_init_thread in multiple format).
> It seems that no performance exist using some simple test like
> multiple mpi channel activated, overlapping comm and computation and
> so on
Maybe I don't understand your question. Are you saying that none of the
references found by search terms such as "hybrid mpi openmp" are useful
for you? They cover so many topics, you would have to be much more
specific about which topics you want in more detail.