Cheetah performance on the granular chute flow benchmark

Processors: 1 8 64
Fixed CPU secs: 2.61 0.472 0.0849
Fixed || Efficiency: 100% 69.1% 48.0%
Scaled CPU secs: 2.61 6.29 3.69
Scaled || Efficiency: 100% 41.5% 70.7%