Kohana的HHVM设置

Question

我有一个运行Kohana 3.1，NGINX和PHP-FPM的应用程序。我试图用HHVM取代PHP-FPM来处理更多的请求。

代码是

public function action_test(){
    echo 'Hi';
}

每秒100个请求，CPU达到200％，平均负载为15！

如果我用静态php文件替换Kohana。同一台服务器可以处理200个请求，平均负载仅为3。

使用Kohana HHVM比PHP-FPM更糟糕。我是否在配置上出错了？

Server {
 Port = 9000
  Type = fastcgi
  SourceRoot = /mypath/to/php/repo
  DefaultDocument = index.php
  ThreadCount = 20
}

Eval {
  Jit = true
  EnableObjDestructCall = true
}
Log {
  Level = Warning
  UseLogFile = true
  File = /var/log/hhvm/error.log
  InjectedStackTrace = true
  NativeStackTrace = true
  NoSilencer = on
  Header = on
  Access {
    * {
      File = /var/log/hhvm/access.log
      Format = %h %l %u %t \"%r\" %>s %b
    }
  }
}

VirtualHost {
  * {
    Pattern = .*
    RewriteRules {
      dirindex {
        pattern = ^/(.*)/$
        to = $1/index.php
        qsa = true
      }
    }
  }
}
StaticFile {
  FilesMatch {
    * {
      pattern = .*\.(dll|exe)
      headers {
        * = Content-Disposition: attachment
      }
    }
  }
  Extensions {
    css = text/css
    gif = image/gif
    html = text/html
    jpe = image/jpeg
    jpeg = image/jpeg
    jpg = image/jpeg
    png = image/png
    tif = image/tiff
    tiff = image/tiff
    txt = text/plain
  }
}
ResourceLimit {
    CoreFileSize = 0          # in bytes
    MaxSocket = 50000         # must be not 0, otherwise HHVM will not start
    SocketDefaultTimeout = 5  # in seconds
    MaxRSS = 0
    MaxRSSPollingCycle = 0    # in seconds, how often to check max memory
    DropCacheCycle = 0        # in seconds, how often to drop disk cache
}