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If you really want to nitpick, try using single quotes instead of double quotes around static text:
#!/usr/bin/perl -w use Benchmark qw(cmpthese); cmpthese (10000000, { single => sub { $foo = 'foo'}, double => sub { $foo = "foo"} });
gives me:
[jon@valium jon]$ ./test.pl Benchmark: timing 10000000 iterations of double, single... double: 1 wallclock secs ( 1.91 usr + 0.00 sys = 1.91 CPU) @ 52 +35602.09/s (n=10000000) single: 2 wallclock secs ( 1.25 usr + 0.00 sys = 1.25 CPU) @ 80 +00000.00/s (n=10000000) Rate double single double 5235602/s -- -35% single 8000000/s 53% --
50% improvement when strings aren't interpolated.

BlueLines

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In reply to Re: Idiomatic optimizations by BlueLines
in thread Idiomatic optimizations by Juerd

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