C:\test>1062617 -RECS=1e6 -BITS=64 -TARGET=0.33
Comparing 1e6 records on 64 attributes to discover 121722 matches took: 0.000001229 s/rec

C:\test>1062617 -RECS=1e6 -BITS=256 -TARGET=0.33
Comparing 1e6 records on 256 attributes to discover 1200 matches took: 0.000000760 s/rec

C:\test>1062617 -RECS=1e6 -BITS=1024 -TARGET=0.33
Comparing 1e6 records on 1024 attributes to discover 0 matches took: 0.000000936 s/rec