HHVM, PHP7 & co

PHP 7 is on track, 1st test releases are out, everyone work hard to get the next php major version out. Dozen of patches have reached the branch,amazing RFCs have been worked on and commited. Are you ready to migrate? Hopefully yes! If not and you still need to improve performances, then let take a look at the alternatives. Be full stack alternative PHP implementations like php or small additions to speedup the critical parts of your apps.

Author: Pierre Joye
WebConf Riga 2015

Transcript

1. PHP 7, HHVM & CO 14 – 15 NOVEMBER, 2015 #WebConfRiga @Webconfriga Riga Pierre Joye
2. PHP7, hhvm & co Pierre Joye @pierrejoye pierre@php.net http://www.slideshare.net/pierrej PHP Core developer Contributors to numerous OSS projects Portability fan
3. PHP7, hhvm & co Stats
4. PHP7, hhvm & co Contribute.
5. PHP7, hhvm & co What‘s going in the php world?
6. PHP7, hhvm & co Awesome new extension installer https://github.com/FriendsOfPHP/pickle
7. PHP7, hhvm & co RFCs http://wiki.php.net/rfc
8. PHP7, hhvm & co Release Process https://wiki.php.net/rfc/releaseprocess
9. PHP7, hhvm & co Supported Releases http://php.net/supported-versions.php
10. PHP7, hhvm & co PHP 5.3 2009 - 2014
11. PHP7, hhvm & co PHP 5.4 2012 - 2015
12. PHP7, hhvm & co PHP 5.5 Security fixes only
13. PHP7, hhvm & co PHP 5.5 2013 - 2016
14. PHP7, hhvm & co PHP 5.6.15 is out!
15. PHP7, hhvm & co 5 + 1 = 7
16. PHP7, hhvm & co 6.6.6
17. PHP7, hhvm & co
18. PHP7, hhvm & co PHP 7.0.0RC3 last week!
19. PHP7, hhvm & co PHP 7.0 – Future is now
20. PHP7, hhvm & co PHP 7.0 – speed++
21. PHP7, hhvm & co LIES, DAMN LIES AND BENCHMARKS
22. PHP7, hhvm & co
23. PHP7, hhvm & co
24. PHP7, hhvm & co Features • Rewamped Engine • True 64bit support • Large string and LFS (Large file support) • Consistent variables syntax • Error exception instead of fatal error • Scalar type declarations • Zero cost asserts
25. PHP7, hhvm & co Features • Secure RNG • PHP4 constructors deprecated • JIT enabled PCRE • Removed ext/mysql, ext/ereg and more • New ?? and spaceship operators • New JSON parser • Many other features, a lot already target 7.1
26. PHP7, hhvm & co Error exception instead of fatal error
27. PHP7, hhvm & co Error exception https://wiki.php.net/rfc/catchable-call-to-member-of-non-object <?php try { $x = null; var_dump($x->method()); // The exception class name is EngineException // in alpha1 } catch (Error $e) { // pass } echo "Alive\n";
28. PHP7, hhvm & co Scalar Type Declarations
29. PHP7, hhvm & co Scalar Type Declarations <?php declare(strict_types = 1); function add(int $a, int $b) : int { return $a + $b; } $x = add(1, 2); // The exception class name TypeException // in alpha1 $y = add(0.1, 0.2); // TypeError exception https://wiki.php.net/rfc/scalar_type_hints_v5
30. PHP7, hhvm & co Null Coalesce Operator (??)
31. PHP7, hhvm & co 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
32. PHP7, hhvm & co PHP Language Specification https://github.com/php/php-langspec
33. PHP7, hhvm & co Open & Public Specifications Competions++
34. PHP7, hhvm & co
35. PHP7, hhvm & co
36. PHP7, hhvm & co (Most) Focus on Speed
37. PHP7, hhvm & co
38. PHP7, hhvm & co SPEED is NOT SCALE
39. PHP7, hhvm & co SPEED is UX
40. PHP7, hhvm & co Scale is Server Side Architecture (Apps, Ops, Net, …)
41. PHP7, hhvm & co My code sucks.
42. PHP7, hhvm & co Yours too.
43. PHP7, hhvm & co Steroids++
44. PHP7, hhvm & co So?
45. PHP7, hhvm & co
46. PHP7, hhvm & co
47. PHP7, hhvm & co 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, $src) {…
48. PHP7, hhvm & co QB <?php function calc($n, &$a) { $b = 18; while($n) { $a = $b * $b * $b * $b; $n--; } } $n = 5000000; $a = 0; calc($n, $a); $end = microtime(true);
49. PHP7, hhvm & co QB Source: http://php-qb.net/index.php/2-uncategorised/27-comparing-performance-in-qb-with-hhvm See http://benchmarksgame.alioth.debian.org/u32/performance.php?test=spectralnorm or other
50. PHP7, hhvm & co Zephir
51. PHP7, hhvm & co Zephir Optimization & code generation Compilation + optimization Native execution
52. PHP7, hhvm & co Zephir namespace 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; } }
53. PHP7, hhvm & co Zephir <?php $filter = new MyLibrary\Filter(); echo $filter>alpha("01he#l.lo?/1");
54. PHP7, hhvm & co PHP Alternative Implementations
55. PHP7, hhvm & co PHP Alternative Implementations • HHVM (native code) • Recki-ct (native code) • Phalanger (.net engine)
56. PHP7, hhvm & co
57. PHP7, hhvm & co PHP
58. PHP7, hhvm & co
59. PHP7, hhvm & co HHVM
60. PHP7, hhvm & co Recki-ct
61. PHP7, hhvm & co Recki-CT
62. PHP7, hhvm & co Recki-ct php 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_typ ed() 23.16553 1.00000 2.11128 2.09212 3.00061 mandel2() 24.43275 1.00000 2.57704 1.87802 FAIL mandel2_ty ped() 23.79989 1.00000 2.90105 1.57193 7.11054
63. PHP7, hhvm & co Recki-ct php 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(2000 0) 3.67800 FAIL 1.00000 4.96699 FAIL
64. PHP7, hhvm & co Future • Extend PHP in php (a la hhvm) • Go, Rust, .net extensions
65. PHP7, hhvm & co Resources • http://wiki.php.net/rfc/ • http://zephir-lang.com/ • http:// www.slideshare.net/ircmaxell/high-performance-php -phpnw • http://talks.php.net/fluent15#/ • https://github.com/google/recki-ct • http:// blog.ircmaxell.com/2014/08/introducing-recki-ct.html • https://github.com/chung-leong/qb/wiki/Introduction
66. PHP7, hhvm & co Resources • https://edit.php.net/ • https://wiki.php.net/rfc/phpng • https://wiki.php.net/rfc/abstract_syntax_tree • http:// hhvm.com/blog/6323/the-journey-of-a-thousand-b ytecodes • https:// github.com/php/php-src/blob/master/UPGRADING • https:// github.com/php/php-src/blob/master/UPGRADING .INTERNALS
67. PHP7, hhvm & co Resources • http://phpdbg.com/ • http://windows.php.net/qa/ • http://qa.php.net/ • http://ongr.io • http://aka.ms/AzureCodeManiac2015