File: //usr/share/doc/perl-Digest/digest-bench
#!/usr/bin/perl -w
use strict;
die unless @ARGV;
my($mod, @args) = @ARGV;
eval "require $mod"; die $@ if $@;
$a = substr(join("", "a" .. "z",) x 800, 0, 8 * 1024);
my $count = 4*1024;
use Time::HiRes qw(time);
my $before = time;
my $ctx = $mod->new(@args);
for (1 .. $count) {
$ctx->add($a);
}
print $ctx->hexdigest, "\n";
my $sec = time - $before;
my $bytes = length($a) * $count;
print "$bytes/$sec\n";
my $vers = do { no strict 'refs'; ${$mod . '::VERSION'} };
printf "$mod $vers\t%.2f MB/s\n", $bytes/(1024*1024*$sec)