php 所有主流框架性能对比（yii、yaf、ci等php框架）
案例
本次测试输出简单的hello word，简单MVC逻辑，(Router -> Controller -> Viewer)，没有数据库连接，没有任何逻辑.
硬件平台
CPU: Intel Core i5 750 (2.67GHz x4)
RAM: 4GB
软件环境
Debian 6.0.4 x86_64 (2.6.32-41)
apache 2.2.16 (mpm-prefork,mod-php5)
php 5.3.10
php-apc 3.1.9 (Optimization for include/require)
Copy all projects to /dev/shm/* (Optimization for files read/write)
PHP框架列表
* zf: Zend Framework
Site: http://framework.zend.com
Ver: 1.11.11
* zf2: Zend Framework
Site: http://framework.zend.com
Site: https://github.com/zendframework/ZendSkeletonApplication
Ver: 2.0.0-beta1
* symfony: symfony
Site: http://www.symfony-project.org
Ver: 2.0.0
* cakephp: CakePHP
Site: http://cakephp.org
Ver: 2.0.4
* ci: CodeIgniter
Site: http://codeigniter.com
Ver: 2.1.0
* yii: Yii Framework
Site: http://www.yiiframework.com
Ver: 1.1.8
* micromvc4: MicroMVC
Site: http://www.micromvc.com
Ver: 4.0.0
* laravel: Laravel, A PHP Framework For Web Artisans
Site: http://laravel.com
Ver: 2.0.2
* slim: Slim Framework
Site: http://www.slimframework.com
Ver: 1.5.0
* yaf: Yet Another Framework in PHP Extension
Site: http://code.google.com/p/yafphp
Ver: 2.1.3-beta (yaf.cache_config=1)
* FuelPHP: Simple, Flexible, Community driven Web Framework
Site: http://fuelphp.com/
Ver: 1.1
* ColaPHP:
Site: http://code.google.com/p/colaphp/
Ver: 1.2-ga
# XHProf: A Hierarchical Profiler for PHP
Site: http://pecl.php.net/xhprof
Ver: 0.9.2
# The source code of this testing:
Source: https://github.com/eryx/php-framework-benchmark
1. Apache Benchmark
Requests pre second (-c 100 -n 30000), the bigger is better
请求/秒(-c 200 -n 50000), 数值越大越好
2. 系统负载
压力测试一分钟内完成的负载图
越小越好(-c 100 -n 30000)
3. 内存使用率
测试hello word占用的内存，越小越好.
4. 响应时间
页面的响应时间.单位微妙
5. 调用方法的数量(Facebook XHProf)
单个hello word页面调用了多少方法，zend5620个方法，是不是太臃肿了。
详细的函数调用图
| Symfony2 |
 |
Zend Framework 1.11.1 |
 |
| Zend Framework 2.0.0-beta1 |
 |
CakePHP 2.0.4 |
 |
| CodeIgniter 2.1.0 |
 |
Yii Framework 1.1.8 |
 |
| Slim 1.5 |
 |
Laravel 2.0.2 |
 |
| MicroMVC 4.0.0 |
 |
Yaf 2.1.3-beta |
 |
| FuelPHP 1.1 |
 |
ColaPHP 1.2 |
 |
6. 文件数量
打开hellow word用到included or required in 文件的数量.越小越好,zend很多,yii19个，yaf才4个，不快才怪。
