#!/usr/bin/perl -w

use strict;
use Benchmark qw(:all);
use lib 'src/WWW-Curl-Lite/lib';
use WWW::Curl::Lite::Request;
use WWW::Curl::Lite;
use LWP::Simple;
use LWP::Parallel::UserAgent;
use HTTP::Request;
use HTTP::MHTTP;

my $request = new WWW::Curl::Lite::Request( { url => 'http://127.0.0.1
+' } );
my $curl    = new WWW::Curl::Lite;

my $pua = new LWP::Parallel::UserAgent;
my $req = new HTTP::Request( GET => 'http://127.0.0.1' );

cmpthese(
    100,
    {
        'curl' => sub {
            for ( 1 .. 10 ) { $curl->register($request) }
            $curl->request;
        },
        'lwp' => sub {
            for ( 1 .. 10 ) { get('http://127.0.0.1') }
        },
        'lwp-parallel' => sub {
            $pua->initialize;
            $pua->nonblock(1);
            for ( 1 .. 10 ) { $pua->register($req) }
            $pua->wait;
        },
        'mhttp' => sub {
            for ( 1 .. 10 ) {
                http_init();
                http_call( "GET", "http://127.0.0.1" );
                http_response();
            }
          }
    }
);
[download]

               Rate lwp-parallel          lwp         curl        mhtt
+p
lwp-parallel 9.07/s           --         -78%         -89%         -96
+%
lwp          41.3/s         355%           --         -50%         -81
+%
curl         83.3/s         818%         102%           --         -62
+%
mhttp         217/s        2296%         426%         161%           -
+-
[download]