数据显示，Laravel很慢，只有主流PHP框架1/3速度，内存则是主流框架2倍多。Symfony2表现令人满意，每秒可以处理250个请求，功能强大但速度和内存都不差。Drupal7比Drupal8快2-3倍。Drupal8的性能接近于Symfony2，每秒大概处理200个请求。对于登录用户，Drupal的速度会下降到原来的1/25左右，可见缓存在Web程序的性能里起决定性作用。
另外一篇文章显示Laravel比Symfony快10倍，看来对待PHP框架的性能测试结果需要非常谨慎。
| Laravel | Symfony | |
|---|---|---|
| Time taken for tests (sec) | 0.958 | 8.438 |
| Requests per second | 104.43 | 11.85 |
| Waiting for server response, min (ms) | 22 | 101 |
| Waiting for server response, median (ms) | 475 | 4313 |
| Waiting for server response, max (ms) | 953 | 8434 |
| Transfer rate (Kbytes/sec) | 859.28 | 33.52 |
Resume
Although the frameworks were running in built-in PHP servers Laravel is about 10 times faster then Symfony. This small test shows us that if we will choose Symfony the problem of caching will be especially serios. The good news is we can optimize well our application using Http Cache. If we will use caching in Laravel we can reach even more perfomance, it is really fast framework.
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