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PHP 7与Java 8的性能比较

java-8php-7
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有人测试过PHP7和Java8的性能吗？我想知道它们之间的比较情况。我在想，与Java 8及其新垃圾收集器相比，为PHP引入的新虚拟机仍然很新或不成熟。但我不太确定。

1个回答
16
比较PHP和Java就像是比较苹果和橘子，很难得出公正且有意义的比较。然而，可以查看链接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。但你应该阅读页面上的所有警告信息，包括语言与语言之间的基准测试相当虚假。记录在案的是，这是该页面当前的内容（2017-04-23）：

Java programs versus PHP

all other Java programs & measurements by benchmark task performance

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 Version

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 Version

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
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