#! perl -sw
use strict;
use Benchmark qw(cmpthese);

my $mapgen = sub { return map 5, (1..1000); } ;
my $xgen   = sub { return (5) x 1000 ; } ;

cmpthese( 10000, {
    mapgen    => $mapgen,
    xgen    => $xgen,
});

__END__