Benchmark: timing 100000 iterations of BrowserUk, dpuu...
 BrowserUk: 10 wallclock secs ( 9.26 usr +  0.00 sys =  9.26 CPU) @ 10795.64/s (n=100000)
      dpuu: 10 wallclock secs ( 9.87 usr +  0.01 sys =  9.88 CPU) @ 10118.39/s (n=100000)
             Rate      dpuu BrowserUk
dpuu      10118/s        --       -6%
BrowserUk 10796/s        7%        --