Benchmark: timing 5 iterations of MCE loop       , MCE map        , Sequential loop...
MCE loop       : 83 wallclock secs ( 3.28 usr  0.19 sys + 30.94 cusr 24.89 csys = 59.30 CPU) @  0.08/s (n=5)
MCE map        : 75 wallclock secs ( 4.48 usr  0.28 sys + 41.29 cusr 37.93 csys = 83.98 CPU) @  0.06/s (n=5)
Sequential loop: 76 wallclock secs (37.79 usr + 28.91 sys = 66.70 CPU) @  0.07/s (n=5)