Anon - Normal page cache off - block cache off (e.g., Drupal 6-dev)
Concurrency Level:      5
Time taken for tests:   100.005 seconds
Complete requests:      500
Failed requests:        0
Broken pipe errors:     0
Total transferred:      9827000 bytes
HTML transferred:       9585500 bytes
Requests per second:    5.00 [#/sec] (mean)
Time per request:       1000.05 [ms] (mean)
Time per request:       200.01 [ms] (mean, across all concurrent requests)
Transfer rate:          98.27 [Kbytes/sec] received

===

Anon - Normal page cache off - block cache on
Concurrency Level:      5
Time taken for tests:   84.432 seconds
Complete requests:      500
Failed requests:        0
Broken pipe errors:     0
Total transferred:      9262000 bytes
HTML transferred:       9020500 bytes
Requests per second:    5.92 [#/sec] (mean)
Time per request:       844.32 [ms] (mean)
Time per request:       168.86 [ms] (mean, across all concurrent requests)
Transfer rate:          109.70 [Kbytes/sec] received

===

Auth user - Page caching N/A - Block cache off
Concurrency Level:      5
Time taken for tests:   102.914 seconds
Complete requests:      500
Failed requests**:        325
   (Connect: 0, Length: 325, Exceptions: 0)
Broken pipe errors:     0
Total transferred:      9103122 bytes
HTML transferred:       8923622 bytes
Requests per second:    4.86 [#/sec] (mean)
Time per request:       1029.14 [ms] (mean)
Time per request:       205.83 [ms] (mean, across all concurrent requests)
Transfer rate:          88.45 [Kbytes/sec] received

**Failed requests indicate that the server, which did not have MySQL query caching
turned on per benchmarking standards, had a hard time keeping up with the load. This
illustrates just how hard Drupal has to work to serve un-cached, authenticated users.

===

Auth user - Page caching N/A - Block cache on
Concurrency Level:      5
Time taken for tests:   86.757 seconds
Complete requests:      500
Failed requests:        0
Broken pipe errors:     0
Total transferred:      8966500 bytes
HTML transferred:       8787000 bytes
Requests per second:    5.76 [#/sec] (mean)
Time per request:       867.57 [ms] (mean)
Time per request:       173.51 [ms] (mean, across all concurrent requests)
Transfer rate:          103.35 [Kbytes/sec] received