Zend Optimizer 3.3.3 を入れてみました。
その結果が以下の通り。
若干サーバー負荷が下がった気もしましたが、数値的には変化なし・・・
この程度では変わらない模様。
C:\xampp\apache\bin>ab -n 100 -c 10 http://www.***.jp/ This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking www.***.jp (be patient).....done Server Software: Apache/2.2.3 Server Hostname: www.***.jp Server Port: 80 Document Path: / Document Length: 37383 bytes Concurrency Level: 10 Time taken for tests: 160.969 seconds Complete requests: 100 Failed requests: 30 (Connect: 0, Receive: 0, Length: 30, Exceptions: 0) Write errors: 0 Total transferred: 3761370 bytes HTML transferred: 3738270 bytes Requests per second: 0.62 [#/sec] (mean) Time per request: 16096.875 [ms] (mean) Time per request: 1609.688 [ms] (mean, across all concurrent requests) Transfer rate: 22.82 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 2.7 0 16 Processing: 7578 15768 4740.2 14875 32375 Waiting: 1844 8666 4356.4 8016 21125 Total: 7594 15769 4739.8 14875 32375 Percentage of the requests served within a certain time (ms) 50% 14875 66% 16313 75% 16906 80% 18688 90% 23125 95% 25828 98% 31516 99% 32375 100% 32375 (longest request)