#!/usr/bin/perl --
use strict;
use warnings;

use Benchmark qw(cmpthese);

my $BIG = 100_000;

cmpthese(1000, { 'C-style' => \&c, 'P-style' => \&p});


sub c {
    for (my $i = $BIG; $i > 0; $i--) {
       1;
    }
}

sub p {
    for my $i ( reverse 1..$BIG ) {
       1;
    }
}

__END__

          Rate P-style C-style
P-style 26.7/s      --    -44%
C-style 48.0/s     80%      --

[download]

Is Perl-style still better?

In reply to Re^5: C-style for loop by ccn
in thread C-style for loop by mandog

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