The linux version seems to work well, 93%-100% valid. But the hashpermin is low, it started ~8-9hpm, has gone as low as 1.5hpm, and is now hovering consistently around 3.5-3.8 hpm. Linux 64bit, 8CPU, 16GB, 799% CPU, 34% MEM; 8 processes.
Is that hashpermin about right? I was expecting ~20.