Double Ping Pong Test

• Performance of the double ping pong test

The test case shows cache effects since every send/recv operation is performed 50 times.

The importance is to show that the bcopy bandwidth of 150 MB/s can now be reached with MPI programs.

Actions:

• convert to Shmem

• used single copy versions

on remotely accessible

variables

Double ping-pong Bandwidth

for R12K@300MHz:

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