#!/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::UserAgent;
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 $ua = new LWP::UserAgent;

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

timethese(
    100,
    {
        'curl' => sub {
            for ( 1 .. 10 ) { $curl->register($request) }
            $curl->request;
        },
        'lwp' => sub {
            for ( 1 .. 10 ) { $ua->request($req) }
        },
        '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();
            }
          }
    }
);

##</code><code>##

Benchmark: timing 100 iterations of curl, lwp, lwp-parallel, mhttp...
      curl: 21 wallclock secs ( 1.00 usr +  0.17 sys =  1.17 CPU) @ 85.47/s (n=100)
       lwp: 36 wallclock secs ( 6.75 usr +  0.53 sys =  7.28 CPU) @ 13.74/s (n=100)
lwp-parallel: 38 wallclock secs (11.04 usr +  0.61 sys = 11.65 CPU) @  8.58/s (n=100)
     mhttp: 32 wallclock secs ( 0.19 usr +  0.26 sys =  0.45 CPU) @ 222.22/s (n=100)