Intel® MPI Library
Get help with building, analyzing, optimizing, and scaling high-performance computing (HPC) applications.
2154 Discussions

Placing MPI ranks on the specific cores of Xeon Phi

Shilpa_B_
Beginner
238 Views

Hi..Is it possible to place the MPI ranks on the specific cores of Xeon Phi (1-60) during the native mode computation. All that I understand is that the scheduler assigns ranks in round robin fashion on all the nodes starting from the first available core. Is it possible to overwrite this?

0 Kudos
1 Reply
TimP
Honored Contributor III
238 Views

You'll need to read the docs for the MPI of your choice.  You could go as far as giving full lists of assignments on each node, e.g. by I_MPI_PIN.....

0 Kudos
Reply