php 5.5 + opcache (opcache.revalidate_freq=2)

gistfile1.txt

Server Hostname:        blog.vaduz.tk
Server Port:            80

Document Path:          /
Document Length:        19762 bytes

Concurrency Level:      10
Time taken for tests:   51.984 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      20094000 bytes
HTML transferred:       19762000 bytes
Requests per second:    19.24 [#/sec] (mean)
Time per request:       519.844 [ms] (mean)
Time per request:       51.984 [ms] (mean, across all concurrent requests)
Transfer rate:          377.48 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       1
Processing:   324  518  62.7    511     851
Waiting:      315  508  62.0    501     841
Total:        325  518  62.7    511     851

Percentage of the requests served within a certain time (ms)
  50%    511
  66%    531
  75%    543
  80%    554
  90%    587
  95%    641
  98%    711
  99%    745
 100%    851 (longest request)