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List Generation Use map instead of for when generating new lists from old.
use strict; use warnings; ... sub test_map { my @sqrt_results = map { sqrt $_ } @results; }
$count=-1 (warning: too few iterations for a reliable count) ... Rate for map for 2.73/s -- -8% map 2.95/s 8% --
$count=-1 ... Benchmark: running for, map for at least 10 CPU seconds... for: 10 wallclock secs (10.11 usr + 0.00 sys = 10.11 CPU) @ 3 +.46/s (n=35) map: 10 wallclock secs (10.03 usr + 0.00 sys = 10.03 CPU) @ 3 +.29/s (n=33)
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