Intel Xeon Dual Quad Core performance on the rhodopsin protein benchmark

Processors: 1 2 3 4 5 6 7 8
Fixed CPU secs: 79.0564 38.9419 27.6532 20.2223 19.3517 14.6160 16.8874 12.3324
Fixed || Efficiency: 100.0% 101.5% 95.3% 97.7% 81.7% 90.1% 66.9% 80.1%
Scaled CPU secs: 79.0564 81.5582 82.1889 80.4980 89.5213 91.9134 100.8700 95.5290
Scaled || Efficiency: 100.0% 96.9% 96.2% 98.2% 88.3% 86.0% 78.4% 82.8%