--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scratch/y.pl	Wed Aug 17 12:10:20 2011 +0200
@@ -0,0 +1,80 @@
+#!/usr/bin/perl
+use 5.010;
+use strict;
+use warnings;
+use Crypt::CBC;
+use autodie qw(:all);
+use Benchmark qw(:all);
+use File::Temp;
+
+my $tmp = File::Temp->new();
+
+{ 
+    open(my $fh, "/dev/urandom");
+    local $/ = \(my $x = 1024 * 1024);	# 1 MiB
+    for (1 .. 4) {
+	print {$tmp} scalar <$fh>;
+    }
+}
+
+sub getbyref {
+    my $ref = shift;
+    local $/ = undef;
+    seek($tmp, 0, 0);
+    $$ref = <$tmp>;
+}
+
+sub getbyval {
+    seek($tmp, 0, 0);
+    local $/ = undef;
+    return <$tmp>;
+}
+
+cmpthese(900 => {
+    byref => sub { my $x; getbyref(\$x); $_ = length($x) },
+    byval => sub { my $x = getbyval(); $_ = length($x) },
+    }
+);
+
+
+
+__END__
+
+
+
+cmpthese(30 => {
+    'openssl' => sub { openssl($text) },
+    'perlssl' => sub { perlssl($text) },
+    }
+);
+
+cmpthese(30 => {
+    'gzip' => sub { bingzip($text) },
+    'perlzip' => sub { perlzip($text) },
+    }
+);
+
+sub openssl {
+    open(my $out, "|openssl bf -pass env:X -out $tmp") or die;
+    print $out $_[0];
+    close $out;
+    die $? if $?;
+}
+
+sub perlssl {
+    open(my $out, ">$tmp");
+    print $out $cipher0->encrypt($_[0]);
+    close $out;
+}
+
+sub perlzip {
+    open(my $out, ">$tmp");
+    gzip($_[0] => $out);
+}
+
+sub bingzip {
+    open(my $out, "|gzip -1 >$tmp");
+    print $out $_[0];
+    close $out;
+    die $? if $?
+}