PHP 7 vs Java 8性能

Question

有没有人测试过PHP7与Java 8，我在想他们的性能以及它们的比较。我认为为PHP引入的新虚拟机与Java 8及其新的垃圾收集器相比还是新的或不成熟的。不知道，但

Answer 1

比较PHP和Java是苹果和桔子。很难得到公平和有意义的比较。

但是，请参阅http://benchmarksgame.alioth.debian.org/u64q/compare.php?lang=java&lang2=php。简短的回答是Java 8比PHP 7更快。但是，您应该阅读页面上的所有警告......包括语言与语言基准很差的事实。

根据记录，这是什么，当前页说（2017年4月23日）：

Java程序与PHP

所有其他Java程序&测量由基准任务绩效

fasta secs mem  gz cpu  cpu load 
Java: 2.13 36,036 2457 5.66 94% 58% 59% 60% 
PHP: 59.37 8,896 1030 59.36 5% 2% 3% 100% 

fannkuch-redux  secs mem  gz cpu  cpu load 
Java: 13.74 30,368 1282 54.12 100% 98% 98% 99% 
PHP: 280.04 33,588 1150 1,117.48 100% 100% 100% 100% 

mandelbrot  secs mem  gz cpu  cpu load 
Java: 7.10 90,588 796  27.92 99% 99% 98% 98% 
PHP: 125.17 136,776  863  499.16 100% 100% 100% 100% 

n-body  secs mem  gz cpu  cpu load 
Java: 21.54 27,092 1489 21.56 1% 1% 100% 1% 
PHP: 358.21 8,668 1082 358.12 17% 0% 1% 83% 

spectral-norm  secs mem  gz cpu  cpu load 
Java: 4.29 29,884 950  16.56 96% 97% 99% 95% 
PHP: 37.94 19,420 1135 150.67 99% 99% 100% 99% 

binary-trees secs mem  gz cpu  cpu load 
Java: 11.26 593,156  835  39.02 85% 88% 90% 88% 
PHP: 88.07 736,372  1027 247.49 92% 77% 23% 91% 

k-nucleotide secs mem  gz cpu  cpu load 
Java: 7.93 465,372  1802 25.11 75% 75% 75% 93% 
PHP: 43.96 235,632  1060 142.28 87% 100% 71% 72% 

reverse-complement  secs mem  gz cpu  cpu load 
Java: 1.10 345,352  1661 2.40 33% 82% 53% 54% 
PHP: 2.81 135,124  426  1.75 31% 21% 44% 57% 

pidigits secs mem  gz cpu  cpu load 
Java: 3.06 31,760 938  3.16 6% 3% 97% 1% 
PHP: 2.15 9,884 394  2.15 1% 0% 100% 1% 

regex-redux secs mem  gz cpu  cpu load 
Java: 12.31 902,528  929  38.75 73% 76% 86% 81% 
PHP: 3.34 158,792  786  3.30 25% 26% 22% 92% 

Java版本

java version "1.8.0_121" 
Java(TM) SE Runtime Environment (build 1.8.0_121-b13) 
Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode) 

PHP版本

PHP 7.1.4 (cli) (built: Apr 16 2017 16:17:54) (NTS) 
Copyright (c) 1997-2017 The PHP Group Zend Engine v3.1.0, 
Copyright (c) 1998-2017 Zend Technologies