[APC]
APC is the Alternative PHP Cache. It was conceived of to provide a free, open, and
robust framework for caching and optimizing PHP intermediate code.

------------------------

ab -n 150

Server Software:        Apache/1.3.33
Document Path:          /mp3stream/index.php
Document Length:        47668 bytes

[APC]
Time taken for tests:   40.775 seconds
Requests per second:    3.68 [#/sec] (mean)

Time taken for tests:   40.642 seconds
Requests per second:    3.69 [#/sec] (mean)

Time taken for tests:   40.762 seconds
Requests per second:    3.68 [#/sec] (mean)

[Zend Optimizer]
Time taken for tests:   48.375 seconds
Requests per second:    3.10 [#/sec] (mean)

Time taken for tests:   48.229 seconds
Requests per second:    3.11 [#/sec] (mean)

Time taken for tests:   48.693 seconds
Requests per second:    3.08 [#/sec] (mean)


[without]
Time taken for tests:   51.380 seconds
Requests per second:    2.92 [#/sec] (mean)

Time taken for tests:   50.839 seconds
Requests per second:    2.95 [#/sec] (mean)

Time taken for tests:   53.454 seconds
Requests per second:    2.81 [#/sec] (mean)

-------------------

ab -c 300

Server Software:        Apache/1.3.33
Document Path:          /mp3stream/index.php
Document Length:        47668 bytes

[APC]
Time taken for tests:   1.330 seconds
Requests per second:    0.75 [#/sec] (mean)

Time taken for tests:   1.699 seconds
Requests per second:    0.59 [#/sec] (mean)

[Zend Optimizer]
Time taken for tests:   2.178 seconds
Requests per second:    0.46 [#/sec] (mean)

Time taken for tests:   2.183 seconds
Requests per second:    0.46 [#/sec] (mean)


[without]
Time taken for tests:   2.133 seconds
Requests per second:    0.47 [#/sec] (mean)

Time taken for tests:   2.012 seconds
Requests per second:    0.50 [#/sec] (mean)