Marlin Benchmark Primer?

[MCornwall]

I ran Marlin in Benchmark mode but I'm not sure how to interpret the output. Does anyone have a primer or a can someone point me to information to better understand the output?

2017/09/23 04:24:10 Starting marlin 1.0.0
2017/09/23 04:24:10 OpenCL: AMD Accelerated Parallel Processing
2017/09/23 04:24:10 [0] GPU: Tahiti
2017/09/23 04:24:10 [1] CPU: Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
2017/09/23 04:24:13 [0] default : 764.3 MH/s (intensity 29)
2017/09/23 04:24:16 [0] g1p0 : 620.9 MH/s (intensity 26)
2017/09/23 04:24:19 [0] g2p0 : 745.6 MH/s (intensity 29)
2017/09/23 04:24:22 [0] c1p0 : 611.9 MH/s (intensity 28)
2017/09/23 04:24:25 [0] c1p4 : 621.0 MH/s (intensity 26)
2017/09/23 04:24:28 [0] c1p4x32 : 621.0 MH/s (intensity 26)
2017/09/23 04:24:31 [0] c2p0 : 745.2 MH/s (intensity 28)
2017/09/23 04:24:34 [0] c2p1 : 762.1 MH/s (intensity 28)
2017/09/23 04:24:38 [0] c2p2 : 765.4 MH/s (intensity 29)
2017/09/23 04:24:41 [0] c2p4 : 766.4 MH/s (intensity 27)
2017/09/23 04:24:44 [0] c2p1x32 : 734.9 MH/s (intensity 29)
2017/09/23 04:24:47 [0] c2p4x32 : 750.9 MH/s (intensity 29)