$ ab -c1 -n1000 http://drupal-6/user
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:          /user
Document Length:        3927 bytes

Concurrency Level:      1
Time taken for tests:   23.638403 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      4412000 bytes
HTML transferred:       3927000 bytes
Requests per second:    42.30 [#/sec] (mean)
Time per request:       23.638 [ms] (mean)
Time per request:       23.638 [ms] (mean, across all concurrent requests)
Transfer rate:          182.25 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       1
Processing:    21   23   2.7     22      52
Waiting:       20   22   2.8     22      52
Total:         21   23   2.7     22      52

Percentage of the requests served within a certain time (ms)
  50%     22
  66%     23
  75%     24
  80%     24
  90%     26
  95%     28
  98%     30
  99%     32
 100%     52 (longest request)






$ ab -c1 -n1000 http://drupal-7/user
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:          /user
Document Length:        5194 bytes

Concurrency Level:      1
Time taken for tests:   33.849523 seconds
Complete requests:      1000
Failed requests:        0
Write errors:           0
Total transferred:      5614000 bytes
HTML transferred:       5194000 bytes
Requests per second:    29.54 [#/sec] (mean)
Time per request:       33.850 [ms] (mean)
Time per request:       33.850 [ms] (mean, across all concurrent requests)
Transfer rate:          161.95 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       1
Processing:    32   33   2.9     33     114
Waiting:       32   33   2.9     33     113
Total:         32   33   2.9     33     114

Percentage of the requests served within a certain time (ms)
  50%     33
  66%     33
  75%     34
  80%     34
  90%     34
  95%     35
  98%     37
  99%     39
 100%    114 (longest request)