With count == 100:
Benchmark: running mine, yours, each for at least 10 CPU seconds...
      mine: 11 wallclock secs (10.43 usr +  0.00 sys = 10.43 CPU) @ 174.98/s (n=1825)
     yours: 11 wallclock secs (10.26 usr +  0.00 sys = 10.26 CPU) @ 74.37/s (n=763)
        Rate yours  mine
yours 74.4/s    --  -57%
mine   175/s  135%    --

With count == 1000:
Benchmark: running mine, yours, each for at least 30 CPU seconds...
      mine: 33 wallclock secs (31.58 usr +  0.00 sys = 31.58 CPU) @ 17.42/s (n=550)
     yours: 32 wallclock secs (31.24 usr +  0.00 sys = 31.24 CPU) @  7.55/s (n=236)
        Rate yours  mine
yours 7.55/s    --  -57%
mine  17.4/s  131%    --