{"id":172937,"date":"2013-03-15T18:11:03","date_gmt":"2013-03-15T14:11:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=172937"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=172937","title":{"rendered":"<span class=\"post_title\">\u041e\u041e\u041f \u0432 PHP, \u0438\u043b\u0438 \u043f\u043e\u0447\u0435\u043c\u0443 highload \u0440\u0430\u0437\u0440\u0443\u0448\u0430\u0435\u0442 \u0432\u043e\u0437\u0434\u0443\u0448\u043d\u044b\u0435 \u0437\u0430\u043c\u043a\u0438<\/span>"},"content":{"rendered":"<div class=\"content html_format\">   \t\u0412 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0440\u0435\u0444\u0430\u043a\u0442\u043e\u0440\u0438\u043d\u0433\u0430 \u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u043f\u0435\u0440\u0432\u0443\u044e \u0438\u0442\u0435\u0440\u0430\u0446\u0438\u044e \u043d\u0430\u0448\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u044b \u043d\u0430\u043f\u0438\u0441\u0430\u043b\u0438 \u0441 \u0434\u0443\u0448\u043e\u0439. \u041e\u041e\u041f, \u043d\u0435\u0439\u043c\u0441\u043f\u0435\u0441\u044b, \u0433\u0435\u0442\u0442\u0435\u0440\u044b\/\u0441\u0435\u0442\u0442\u0435\u0440\u044b, \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435.<\/p>\n<p>  \u0412 \u043e\u0431\u0449\u0435\u043c, \u043a\u0430\u043a \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u0433\u0430\u0434\u0430\u0442\u044c\u0441\u044f, \u043e\u043d\u043e \u043d\u0435 \u0432\u0437\u043b\u0435\u0442\u0435\u043b\u043e, \u0438 \u0432\u043e\u0442 \u043f\u043e\u0447\u0435\u043c\u0443.<\/p>\n<p>  \u041d\u0430 \u043c\u043d\u043e\u0433\u0438\u0435 \u0432\u0435\u0449\u0438 \u0432 PHP \u043f\u0440\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u041e\u041e\u041f \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0441\u0442\u0440\u0430\u0448\u043d\u044b\u0439 overhead. \u0412\u0434\u0440\u0443\u0433 \u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0435 \u0433\u0435\u0442\u0442\u0435\u0440\u044b\/\u0441\u0435\u0442\u0442\u0435\u0440\u044b \u043d\u0430\u0441\u0442\u043e\u043b\u044c\u043a\u043e \u0436\u0440\u0443\u0442 \u0440\u0435\u0441\u0443\u0440\u0441\u044b, \u0447\u0442\u043e \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0435 \u043f\u0430\u0431\u043b\u0438\u043a \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0433\u043e\u0440\u0430\u0437\u0434\u043e \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u0447\u0435\u043c \u043c\u043e\u0436\u043d\u043e \u0441\u0435\u0431\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c.<\/p>\n<p>  \u041f\u0440\u043e\u0441\u0442\u043e\u043c\u0443 \u0442\u0435\u0441\u0442\u0443 \u0438 \u043f\u043e\u0441\u0432\u044f\u0449\u0435\u043d\u0430 \u044d\u0442\u0430 \u0441\u0442\u0430\u0442\u044c\u044f, \u0430 \u0432\u044b\u0432\u043e\u0434\u044b \u0434\u0435\u043b\u0430\u0442\u044c \u0432\u0430\u043c \u0441\u0430\u043c\u0438\u043c.<br \/>  <a name=\"habracut\"><\/a><\/p>\n<p>  \u0412\u043e\u0437\u044c\u043c\u0435\u043c \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0442\u0435\u0441\u0442\u0438\u043a.<\/p>\n<pre><code class=\"php\">&lt;?php $profilerEnabled = false;  if ( isset($_GET['debug']) ) {     ini_set('display_errors', true);     error_reporting(E_ALL);     $_SERVER['PROJECT_MODE_DEVELOP'] = 1;     $_SERVER['adminallow'] = 1; }  if ( isset($_GET['profile']) ) {     if ( extension_loaded('xhprof') ) {         xhprof_enable(XHPROF_FLAGS_CPU + XHPROF_FLAGS_MEMORY);                  $profilerEnabled = true;     } }  \/\/define('APP_ROOT', dirname(dirname(dirname(__FILE__)))); \/\/ \/\/include_once('LSF\/Autoload.php'); \/\/ \/\/$app = LSF_App::instance(); \/\/$app-&gt;initialize(); \/\/ \/\/LSF2_App_Config::setFromFile(null, APP_ROOT . '\/misc\/config.ini');  class PrivateTest {     private $_1;     private $_2;     private $_3;     private $_4;     private $_5;          public function __construct($one, $two, $three, $four, $five) {         $this-&gt;_1 = $one;         $this-&gt;_2 = $two;         $this-&gt;_3 = $three;         $this-&gt;_4 = $four;         $this-&gt;_5 = $five;     }          public function get1() {         return $this-&gt;_1;     }          public function get2() {         return $this-&gt;_2;     }          public function get3() {         return $this-&gt;_3;     }          public function get4() {         return $this-&gt;_4;     }          public function get5() {         return $this-&gt;_5;     } }  class PublicTest {     public $_1;     public $_2;     public $_3;     public $_4;     public $_5;          public function __construct($one, $two, $three, $four, $five) {         $this-&gt;_1 = $one;         $this-&gt;_2 = $two;         $this-&gt;_3 = $three;         $this-&gt;_4 = $four;         $this-&gt;_5 = $five;     } }  $a = 0;  for($i = 1; $i &lt;= 100000; $i++) {     $object = new PrivateTest(1, 2, 3, 4, 5);          $a += privateGetterTest($object); }      $b = 0;  for($i = 1; $i &lt;= 100000; $i++) {     $object = new PublicTest(1, 2, 3, 4, 5);          $b += publicGetterTest($object); }      if ( $profilerEnabled ) {     $data = serialize(xhprof_disable());      $uniq = uniqid();          $dir = ini_get('xhprof.output_dir');          if ( !$dir ) {         trigger_error('Unable to save profiler data, please, specify the xhprof.output_dir directive in php.ini', E_USER_WARNING);     } else {         if ( !is_dir($dir) ) {             mkdir($dir, 0777, true);         }          $file = fopen($dir.'\/'.$uniq.'.xhprof', &quot;w+&quot;);          if ( $file ) {             fwrite($file, $data);             fclose($file);                          echo &quot;&lt;br&gt;&lt;br&gt;&lt;b&gt;&lt;a href='http:\/\/lst222.b.ls1.ru\/xhprof\/?run={$uniq}' target='_blank'&gt;xhprof&lt;\/a&gt;&lt;\/b&gt;&quot;;         } else {             trigger_error('Unable to save profiler data. Could not open file.', E_USER_WARNING);         }     } }  function privateGetterTest($object) {     $d = $object-&gt;get1() +     $object-&gt;get2() +      $object-&gt;get3() +     $object-&gt;get4() +     $object-&gt;get5();          return $d; }  function publicGetterTest($object) {     $d = $object-&gt;_1 +      $object-&gt;_2 +     $object-&gt;_3 +     $object-&gt;_4 +     $object-&gt;_5;          return $d; } ?&gt; <\/code><\/pre>\n<p>  \u0418 \u0432\u043e\u0442 \u0447\u0442\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u043c \u043d\u0430 <a href=\"https:\/\/docs.google.com\/file\/d\/0BxQa7TYe2TcDTldqZGtMSE1lYk0\/edit\">\u0432\u044b\u0445\u043e\u0434\u0435<\/a><\/p>\n<p>  \u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0433\u043e\u0432\u043e\u0440\u044f\u0442 \u0441\u0430\u043c\u0438 \u0437\u0430 \u0441\u0435\u0431\u044f \u2014 \u0435\u0441\u043b\u0438 \u0445\u043e\u0442\u0438\u0442\u0435 \u043a\u0440\u0443\u0442\u043e\u0435 \u041e\u041e\u041f + highload, \u043b\u0438\u0431\u043e \u043f\u0438\u0448\u0438\u0442\u0435 \u043f\u0440\u043e\u0441\u0442\u043e \u0438 \u043c\u0435\u0441\u0442\u0430\u043c\u0438 \u00ab\u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u00bb, \u043b\u0438\u0431\u043e \u043c\u043e\u0449\u043d\u044b\u0435 \u043a\u0443\u0441\u043a\u0438 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u0442\u0435 \u043d\u0430 \u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438. \u041c\u044b \u0440\u0435\u0448\u0438\u043b\u0438 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u043e\u043c \u0447\u0430\u0441\u0442\u0438 \u043b\u043e\u0433\u0438\u043a\u0438 \u043d\u0430 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0445\u0440\u0430\u043d\u0438\u043c\u043e\u043a \u0432 \u0411\u0414 PostgreSQL (9\u043a\u0430), \u043e\u043d\u043e \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043d\u0430 \u0443\u0440\u0430.    \t \t\t   \t<\/p>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/172937\/\"> http:\/\/habrahabr.ru\/post\/172937\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\">   \t\u0412 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0440\u0435\u0444\u0430\u043a\u0442\u043e\u0440\u0438\u043d\u0433\u0430 \u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u043f\u0435\u0440\u0432\u0443\u044e \u0438\u0442\u0435\u0440\u0430\u0446\u0438\u044e \u043d\u0430\u0448\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u044b \u043d\u0430\u043f\u0438\u0441\u0430\u043b\u0438 \u0441 \u0434\u0443\u0448\u043e\u0439. \u041e\u041e\u041f, \u043d\u0435\u0439\u043c\u0441\u043f\u0435\u0441\u044b, \u0433\u0435\u0442\u0442\u0435\u0440\u044b\/\u0441\u0435\u0442\u0442\u0435\u0440\u044b, \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435.<\/p>\n<p>  \u0412 \u043e\u0431\u0449\u0435\u043c, \u043a\u0430\u043a \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u0433\u0430\u0434\u0430\u0442\u044c\u0441\u044f, \u043e\u043d\u043e \u043d\u0435 \u0432\u0437\u043b\u0435\u0442\u0435\u043b\u043e, \u0438 \u0432\u043e\u0442 \u043f\u043e\u0447\u0435\u043c\u0443.<\/p>\n<p>  \u041d\u0430 \u043c\u043d\u043e\u0433\u0438\u0435 \u0432\u0435\u0449\u0438 \u0432 PHP \u043f\u0440\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u041e\u041e\u041f \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0441\u0442\u0440\u0430\u0448\u043d\u044b\u0439 overhead. \u0412\u0434\u0440\u0443\u0433 \u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0435 \u0433\u0435\u0442\u0442\u0435\u0440\u044b\/\u0441\u0435\u0442\u0442\u0435\u0440\u044b \u043d\u0430\u0441\u0442\u043e\u043b\u044c\u043a\u043e \u0436\u0440\u0443\u0442 \u0440\u0435\u0441\u0443\u0440\u0441\u044b, \u0447\u0442\u043e \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0435 \u043f\u0430\u0431\u043b\u0438\u043a \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0433\u043e\u0440\u0430\u0437\u0434\u043e \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u0447\u0435\u043c \u043c\u043e\u0436\u043d\u043e \u0441\u0435\u0431\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u044c.<\/p>\n<p>  \u041f\u0440\u043e\u0441\u0442\u043e\u043c\u0443 \u0442\u0435\u0441\u0442\u0443 \u0438 \u043f\u043e\u0441\u0432\u044f\u0449\u0435\u043d\u0430 \u044d\u0442\u0430 \u0441\u0442\u0430\u0442\u044c\u044f, \u0430 \u0432\u044b\u0432\u043e\u0434\u044b \u0434\u0435\u043b\u0430\u0442\u044c \u0432\u0430\u043c \u0441\u0430\u043c\u0438\u043c.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-172937","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/172937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=172937"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/172937\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=172937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=172937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=172937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}