Best Point-to-Point Message-Passing Performance
on the IBM SP3-375 Winterhawk II
These results represent the highest measured bandwidths for each
of the experiments:
0 to 1 (intranode)
0 to 1, 2 to 3 simultaneously (intranode)
0 to 4 (internode)
0 to 4, 1 to 5, 2 to 6, 3 to 7 simultaneously (internode)
0 to 1 to 2 to 3 to 4 to 5 to 6 to 7 to 0 simultaneously (both inter and intra node comunication)
for the single iteration, nonoverlap communication protocols.
Results are presented for bidirectional bandwidth and
unidirectional bandwidth using MPI.
Patrick H. Worley / (
worleyph@ornl.gov)