PHP 5.2. Version 16 is inherently comparable to PHP 5.4.9 version

PHP 5.2. Version 16 vs. PHP 5.4.9 Performance Comparison

Hardware environment:

Server: Dl180g6 (Intel (R) Xeon (r) CPU E5620 @2.40ghz) 16G memory

Presses: Dl180g6 (Intel (R) Xeon (r) CPU E5620 @2.40ghz) 16G memory

Software Environment:

nginx1.2.5php5.4.9/5.2.16 XCache3.0.0 Max 600PHP-FPM

network environment: Gigabit

Test scenario:

PHP set two different versions, in the same hardware and network environment, under pressure configuration situation, the same number of concurrent users to send requests to the server. Compare server resource usage and things processing power.

Test results:

Concurrent users	CPU (Us+sy)	Load Average	Response Time (s)	qps/s
20	46%	9.2	0.022	950
40	49%	13.4	0.032	890
60	52%	22.8	0.043	860
80	54%	28.3	0.055	840
100	55%	42.1	0.064	820

PHP 5.2.16 version

Concurrent users	CPU (Us+sy)	Load Average	Response Time (s)	qps/s
20	48%	8.7	0.018	1100
40	50%	14.6	0.026	1050
60	54%	21.3	0.036	1010
80	56%	26.3	0.046	998
100	57%	34.7	0.054	1020

PHP 5.4.9 version

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