symfonyでキャッシュするとどれくらい変わるか

メモ

テスト環境で試しているので、正しくないかもしれません。

PHP 5.2.5 (cli) (built: Nov 21 2007 01:30:22) 
Copyright (c) 1997-2007 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
    with XCache v1.2.1, Copyright (c) 2005-2007, by mOo

symfony + disable xcache [#n0112567]

 Requests per second:    5.96 [#/sec] (mean)
 Time per request:       1678.346 [ms] (mean)
 Time per request:       167.835 [ms] (mean, across all concurrent requests)
 Transfer rate:          12.93 [Kbytes/sec] received

symfony + xcache [#n0112567]

 Requests per second:    29.27 [#/sec] (mean)
 Time per request:       341.649 [ms] (mean)
 Time per request:       34.165 [ms] (mean, across all concurrent requests)
 Transfer rate:          63.52 [Kbytes/sec] received

xcacheを使うと2回目のアクセスでなんでかメモリ使用量が1/6くらいに減るなんでだろ
3223.2　-> 571.6