Xeon/Myrinet cluster performance on the polymer chain melt benchmark

Processors: 1 8 64 512
Fixed CPU secs: 3.7395 0.4436 0.1169 0.2020
Fixed || Efficiency: 100.0% 105.4% 50.0% 3.6%
Scaled CPU secs: 3.7395 4.5561 4.7138 6.0714
Scaled || Efficiency: 100.0% 82.1% 79.3% 61.6%