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Benchmark: timing 1000 iterations of dimmesdale PU, dimmesdale loop, p
+erlish...
dimmesdale PU: 36 wallclock secs (34.87 usr + 0.09 sys = 34.96 CPU)
dimmesdale loop: 43 wallclock secs (40.63 usr + 0.13 sys = 40.76 CPU)
perlish: 35 wallclock secs (33.47 usr + 0.10 sys = 33.57 CPU)