MPI Communication Benchmarks Results for MPI_Gather()

2 total tasks: 2 tasks per node (Linux), 16 tasks per node (IBM)

4 total tasks: 2 tasks per node (Linux), 16 tasks per node (IBM)

8 total tasks: 2 tasks per node (Linux), 16 tasks per node (IBM)

16 total tasks: 2 tasks per node (Linux), 16 tasks per node (IBM)

32 total tasks: 2 tasks per node (Linux), 16 tasks per node (IBM)

64 total tasks: 2 tasks per node (Linux), 16 tasks per node (IBM)

128 total tasks: 2 tasks per node (Linux), 16 tasks per node (IBM)

256 total tasks: 2 tasks per node (Linux), 16 tasks per node (IBM)