pure msgpack.php vs json extension

bench_json_vs_msgpack.php

<?php

use App\MessagePack\PackedMap;
use App\MessagePack\PackedMapTransformer;
use MessagePack\BufferUnpacker;
use MessagePack\Packer;
use MessagePack\PackOptions;

require __DIR__.'/vendor/autoload.php';

const ITERATIONS = 1000;

$packer = new Packer(PackOptions::FORCE_STR);
$unpacker = new BufferUnpacker();

$item = [
    'str' => 'bar',
    'arr' => array_fill(0, 100, 42),
    'map' => ['a' => 'a', 'b' => 'b', 'c' => 'c', 'd' => 'd', 'e' => 'e'],
    'bool' => false,
    'int' => 65535,
    'float' => 65535.42,
];

$data = [];
for ($i = 100; $i; --$i) {
    $data[] = $item;
}

$time = microtime(true);
for ($i = ITERATIONS; $i; --$i) {
    $packed = \msgpack_pack($data);
    $raw = \msgpack_unpack($packed);
}
printf("pecl msgpack:        %.4f sec, %d bytes\n", microtime(true) - $time, strlen($packed));

$time = microtime(true);
for ($i = ITERATIONS; $i; --$i) {
    $packed = \json_encode($data);
    $raw = \json_decode($packed, true);
}
printf("pecl json:           %.4f sec, %d bytes\n", microtime(true) - $time, strlen($packed));

$time = microtime(true);
for ($i = ITERATIONS; $i; --$i) {
    $packed = $packer->pack($data);
    $raw = $unpacker->reset($packed)->unpack();
}
printf("pure msgpack:        %.4f sec, %d bytes\n", microtime(true) - $time, strlen($packed));

require __DIR__.'/examples/MessagePack/PackedMap.php';
require __DIR__.'/examples/MessagePack/PackedMapTransformer.php';

$transformer = new PackedMapTransformer(3);

$schema = [
    'str' => 'str',
    'arr' => 'array',
    'map' => 'map',
    'bool' => 'bool',
    'int' => 'int',
    'float' => 'float',
];

$packer->registerTransformer($transformer);
$unpacker->registerTransformer($transformer);

$time = microtime(true);
for ($i = ITERATIONS; $i; --$i) {
    $packed = $packer->pack(new PackedMap($data, $schema));
    $raw = $unpacker->reset($packed)->unpack();
}
printf("pure msgpack packed: %.4f sec, %d bytes\n", microtime(true) - $time, strlen($packed));

output

$ php -n -d extension=json.so -dextension=msgpack.so -dzend_extension=opcache.so -dopcache.enable_cli=1 bench_json_vs_msgpack.php
pecl msgpack:        0.4628 sec, 16903 bytes
pecl json:           1.0338 sec, 41201 bytes
pure msgpack:        2.6338 sec, 16903 bytes
pure msgpack packed: 2.4968 sec, 14164 bytes

$ php -v
PHP 7.2.7 (cli) (built: Jun 19 2018 14:40:10) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.2.7, Copyright (c) 1999-2018, by Zend Technologies
    
$ php -r 'echo (new ReflectionExtension("json"))->getVersion(), "\n";'
1.6.0

$ php -r 'echo (new ReflectionExtension("msgpack"))->getVersion(), "\n";'
2.0.2

$ git rev-parse HEAD
b8a51fcbafe10d766f207bd2210e4c3a325ba337

$ git describe --tags
v0.5.3-3-gb8a51fc