His test is broken. Try it yourself:
#!/usr/bin/perl -w
use Benchmark qw/ cmpthese /;
my $count = shift;
our $module = 'CGI ()';
cmpthese(
$count,
{
require => sub { eval "require $module"; },
use => sub { eval "use $module"; },
}
);
It's always faster to use "require", even if you explicitly import nothing, as I've done here.
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