$ ab -c1 -n1000 http://drupal-6/node/1
This is ApacheBench, Version 2.0.41-dev <$Revision: 1.121.2.12 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 2006 The Apache Software Foundation, http://www.apache.org/

Benchmarking drupal-6 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Finished 1000 requests


Server Software:        Apache
Server Hostname:        drupal-6
Server Port:            80

Document Path:          /node/1
Document Length:        7594 bytes

Concurrency Level:      1
Time taken for tests:   26.568622 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      8079000 bytes
HTML transferred:       7594000 bytes
Requests per second:    37.64 [#/sec] (mean)
Time per request:       26.569 [ms] (mean)
Time per request:       26.569 [ms] (mean, across all concurrent requests)
Transfer rate:          296.93 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:    23   26   3.2     25      56
Waiting:       23   25   3.3     25      56
Total:         23   26   3.2     25      56

Percentage of the requests served within a certain time (ms)
  50%     25
  66%     26
  75%     26
  80%     27
  90%     28
  95%     31
  98%     37
  99%     41
 100%     56 (longest request)





$ ab -c1 -n1000 http://drupal-7/node/1
This is ApacheBench, Version 2.0.41-dev <$Revision: 1.121.2.12 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 2006 The Apache Software Foundation, http://www.apache.org/

Benchmarking drupal-7 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Finished 1000 requests


Server Software:        Apache
Server Hostname:        drupal-7
Server Port:            80

Document Path:          /node/1
Document Length:        9331 bytes

Concurrency Level:      1
Time taken for tests:   39.149695 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      9729000 bytes
HTML transferred:       9331000 bytes
Requests per second:    25.54 [#/sec] (mean)
Time per request:       39.150 [ms] (mean)
Time per request:       39.150 [ms] (mean, across all concurrent requests)
Transfer rate:          242.66 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:    37   38   1.7     38      58
Waiting:       33   34   1.9     34      57
Total:         37   38   1.7     38      58

Percentage of the requests served within a certain time (ms)
  50%     38
  66%     39
  75%     39
  80%     39
  90%     40
  95%     41
  98%     42
  99%     44
 100%     58 (longest request)