Dual hex-core Xeon performance on the polymer chain melt benchmark

Processors: 1 2 4 6 8 10 12
Fixed CPU secs: 1.0094 0.5577 0.2833 0.1890 0.1473 0.1263 0.1119
Fixed || Efficiency: 100.0% 90.5% 89.1% 89.0% 85.7% 79.9% 75.2%
Scaled CPU secs: 0.5485 0.5831 0.9606 1.1049 1.3151 1.5214 1.7553
Scaled || Efficiency: 100.0% 94.1% 57.1% 49.6% 41.7% 36.1% 31.2%