Intel Xeon Dual Quad Core performance on the polymer chain melt benchmark

Processors: 1 2 3 4 5 6 7 8
Fixed CPU secs: 1.9957 0.9846 0.6545 0.5159 0.4525 0.4193 0.4204 0.3653
Fixed || Efficiency: 100.0% 101.3% 101.6% 96.7% 88.2% 79.3% 67.8% 68.3%
Scaled CPU secs: 1.9957 2.1312 2.4263 2.8488 3.8322 4.1017 4.4896 5.0539
Scaled || Efficiency: 100.0% 93.6% 82.3% 70.1% 52.1% 48.7% 44.5% 39.5%