Post on 01-Dec-2014
description
PHP7, hhvm & coPierre Joye
PHP 7, HHVM & CO
Pierre Joye
PHP7, hhvm & coPierre Joye
Pierre Joye@pierrejoyepierre@php.nethttp://www.slideshare.net/pierrej
PHP Core developerContributors to numerous OSS projects
Portability fan
PHP7, hhvm & coPierre Joye
Stats
PHP7, hhvm & coPierre Joye
What‘s going in the php world?
https://wiki.php.net/rfc/isset_ternary
PHP7, hhvm & coPierre Joye
PHP 5.32009 - 2014
PHP7, hhvm & coPierre Joye
PHP 5.4Security fixes only
PHP7, hhvm & coPierre Joye
PHP 5.6.0 is out!(btw, 5.6.1 too)
PHP7, hhvm & coPierre Joye
5 + 1 = 7
PHP7, hhvm & coPierre Joye
Roadmap
PHP7, hhvm & coPierre Joye
Features
• Rewamped Engine• True 64bit support• Large string and LFS (Large file support)• Consistent variables syntax• No more fatal error on calling method on non
object• New ?? operator• Many features under discussions
PHP7, hhvm & coPierre Joye
Recoverable error for non object
PHP7, hhvm & coPierre Joye
Recoverable error for non object
https://wiki.php.net/rfc/catchable-call-to-member-of-non-object
<?php set_error_handler(function($code,$message) { var_dump($code, $message);
});
$x= null; var_dump($x->method());echo "Alive\n";
PHP7, hhvm & coPierre Joye
Null Coalesce Operator (??)
PHP7, hhvm & coPierre Joye
Null Coalesce Operator (??)
<?php$username = $_GET['user'] ?? 'nobody'; $username = isset($_GET['user']) ? $_GET['user'] : 'nobody';
// Method/function call$model = Model::get($id) ?? $default_model;if (($model = Model::get($id)) === NULL) { $model = $default_model; }
// Chained$x = NULL; $y = NULL; $z = 3; var_dump($x ?? $y ?? $z);
https://wiki.php.net/rfc/isset_ternary
PHP7, hhvm & coPierre Joye
PHP Language Specificationhttps://github.com/php/php-langspec
PHP7, hhvm & coPierre Joye
Open & Public Specifications
Competions++
PHP7, hhvm & coPierre Joye
PHP7, hhvm & coPierre Joye
PHP7, hhvm & coPierre Joye
(Most) Focus on Speed
PHP7, hhvm & coPierre Joye
PHP7, hhvm & coPierre Joye
SPEED is NOT SCALE
PHP7, hhvm & coPierre Joye
SPEED is UX
PHP7, hhvm & coPierre Joye
Scale is Server SideArchitecture (Apps, Ops, Net, …)
PHP7, hhvm & coPierre Joye
My code sucks.
PHP7, hhvm & coPierre Joye
Yours too.
PHP7, hhvm & coPierre Joye
Steroids++
PHP7, hhvm & coPierre Joye
So?
PHP7, hhvm & coPierre Joye
PHP7, hhvm & coPierre Joye
PHP7, hhvm & coPierre Joye
QB<?php class OilPaintFilter {
/** @var int32 */ public $levels = 25;/** @var int32 */ public $filterSize = 5;/** * @engine qb * * @param image $dst * @param image $src * * @local float32[*][r,g,b,a] $bin * @local float32 $max_intensity * @local int32 $(current_index|max_index) * @local int32 $(filter_x|filter_y|filter_offset) * @local int32 $(x|y|x_limit|y_limit) * @local int32 $(width|height) * @local float32[r,g,b,a] $pixel * @local float32 $multiplier */public function filter(&$dst, $src) {…
PHP7, hhvm & coPierre Joye
QB
<?php function calc($n, &$a) {
$b = 18;while($n) {
$a = $b * $b * $b * $b;$n--;
}}$n = 5000000;$a = 0;calc($n, $a); $end = microtime(true);
PHP7, hhvm & coPierre Joye
QB
Source: http://php-qb.net/index.php/2-uncategorised/27-comparing-performance-in-qb-with-hhvm
PHP7, hhvm & coPierre Joye
Zephir
PHP7, hhvm & coPierre Joye
Zephir
Optimization & code generation
Compilation + optimization
Native execution
PHP7, hhvm & coPierre Joye
Zephirnamespace MyLibrary; class Filter {public function alpha(string str) {
char ch;string filtered = "";for ch in str {
if (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') {
let filtered .= ch;}
} return filtered; }}
PHP7, hhvm & coPierre Joye
Zephir
<?php $filter = new MyLibrary\Filter();echo $filter>alpha("01he#l.lo?/1");
PHP7, hhvm & coPierre Joye
PHP Alternative Implementations
PHP7, hhvm & coPierre Joye
PHP Alternative Implementations
• PHP7 (formely known as phpng)• HHVM (native code)• Recki-ct (native code)• Phalanger (.net engine)
PHP7, hhvm & coPierre Joye
Recki-ct
PHP7, hhvm & coPierre Joye
Recki-CT
PHP Cache
Parser (AST in 7+)
Recki IR
JIT~
Native Code
PHP7, hhvm & coPierre Joye
Recki-ctphp 5.5 Recki-CT hhvm 3.2 hippy-c qb
simple() 139.63357 1.00000 8.30447 7.65693 8.35018
simplecall() 38.99476 FAIL 1.32552 1.00000 FAIL
simpleucall() 54.02041 1.00000 3.52439 1.51072 47.91090
simpleudcall() 52.14534 1.00000 3.75936 1.41614 47.55259
mandel() 21.26249 1.00000 2.03372 2.11208 FAIL
mandel_typed() 23.16553 1.00000 2.11128 2.09212 3.00061
mandel2() 24.43275 1.00000 2.57704 1.87802 FAIL
mandel2_typed() 23.79989 1.00000 2.90105 1.57193 7.11054
PHP7, hhvm & coPierre Joye
Recki-ctphp 5.5 Recki-CT hhvm 3.2 hippy-c qb
ary(50000) 1.39338 FAIL 1.00000 4.47888 FAIL
ary2(50000) 1.26952 FAIL 1.00000 2.28231 FAIL
ary3(2000) 5.96015 FAIL 1.70997 1.00000 FAIL
fibo(30) 39.48440 1.00000 1.60647 16.40883 FAIL
hash1(50000) 1.70014 FAIL 1.00000 3.27314 FAIL
hash2(500) 2.23648 FAIL 1.00000 1.30044 FAIL
heapsort(20000) 3.67800 FAIL 1.00000 4.96699 FAIL
PHP7, hhvm & coPierre Joye
PHP7, hhvm & coPierre Joye
HHVM
PHP Cache
Parser (AST in 7+)
HHVM Opcodes
Native Code
JIT ~
Cache
PHP7, hhvm & coPierre Joye
PHP7, hhvm & coPierre Joye
PHP
PHP Cache
Parser (AST in 7+)
OpCodes
PHP7, hhvm & coPierre Joye
Resources
5.5 + opcache : 33.26 [#/sec]
7 (October 2014) + opcache : 41.61 [#/sec]
Hhvm (October 2014) : 57.74 [#/sec]
PHP7, hhvm & coPierre Joye
Resources
• http://wiki.php.net/rfc/• http://zephir-lang.com/• http://
www.slideshare.net/ircmaxell/high-performance-php-phpnw
• https://github.com/google/recki-ct• http://
blog.ircmaxell.com/2014/08/introducing-recki-ct.html
• https://github.com/chung-leong/qb/wiki/Introduction
PHP7, hhvm & coPierre Joye
Resources
• https://wiki.php.net/rfc/phpng• https://wiki.php.net/rfc/abstract_syntax_tree• http://
hhvm.com/blog/6323/the-journey-of-a-thousand-bytecodes
PHP7, hhvm & coPierre Joye
Resources
• http://phpdbg.com/• http://windows.php.net/qa/• http://qa.php.net/