Benchmark: timing 1000 iterations of norm, wtf... norm: 0 wallclock secs ( 0.01 usr + 0.00 sys = 0.01 CPU) @ 128000.00/s(n=1000) wtf: 20 wallclock secs (20.44 usr + 0.01 sys = 20.45 CPU) @ 48.91/s (n=1000)