On 13.04.2017 15:20, gil...@rist.or.jp wrote: ... > in your second case, there are 2 things > - MPI binds to socket, that is why two MPI tasks are assigned the same > hyperthreads > - the GNU OpenMP runtime looks unable to figure out 2 processes use the > same cores, and hence end up binding > the OpenMP threads to the same cores. > my best bet is you should bind a MPI tasks to 5 cores instead of one > socket. > i do not know the syntax off hand, and i am sure Ralph will help you > with that
Thanks, would be great if someone has that syntax. Cheers, Ado
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