Sangamesh B wrote:
> I reinstalled all softwares with -O3 optimization. Following are the
> performance numbers for a 4 process job on a single node:
> MPICH2: 26 m 54 s
> OpenMPI: 24 m 39 s
I'm not sure I'm following. OMPI is faster here, but is that a result
of MPICH2 slowing down? The original post at
OpenMPI - 25 m 39 s.
MPICH2 - 15 m 53 s.
So, did MPICH2 slow down, or can one not compare these timings?