PHP Performance I: Everything You Need to Know About OpCode Caches, examples

03-opcache.ini

[zendopcache]

zend_extension=/full/path/to/opcache.so ; May be added by pecl
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1
opcache.enable_cli=1

05-apcu.ini

[apcu]

extension=apcu.so ; May be added by pecl
apc.serializer=php ; See bug report for more info: http://ey.io/1aJhcOY

07-apc.ini

[apc]

extension=apc.so ; May be added by pecl
apc.enabled=1

08-composer.json

"repositories": [
   {

       "type": "vcs",
       "url": "http://github.com/engineyard/ey-php-performance-tools"
   }
],
"require": {
   "php": ">=5.3.3",
   "engineyard/php-performance-tools": "dev-master"
}

10-opcache-config.php

<?php
return [

   /* URLs to cache */
   'urls' => [
       'http://ephernote.com/',
       'http://ephernote.com/user/login',
       'http://ephernote.com/user/register',
       'http://ephernote.com/privary', // Note: this is a typo
   ],

   /* How many concurrent HTTP requests to make (requires the pecl_http extension) */
   'threads' => 3

];

12-cache-primer-output.txt

=== Cache Primer ===
Attempting to cache 4 URLs:
Running in parallel with 3 concurrent requests
...!
Cached 3 URLs in 0.6162059307098 seconds
Encountered 1 errors

13-cache-primer-output.txt

=== Cache Primer ===
Attempting to cache 104 URLs:
Running in parallel with 10 concurrent requests
............................................................................!...........................
Cached 103 URLs in 4.6162059307098 seconds
Encountered 1 errors

14-apc-config.php

<?php
if (!defined('DS')) {
   define('DS', DIRECTORY_SEPARATOR);
}

 

return [

   /* Authentication */
   'auth' => [
       'enabled' => true,
       'username' => 'admin',
       'password' => 'changeme',
   ],

   /* Paths to cache (recursively) */
   'paths' => [
       __DIR__ .DS. '..' .DS. '..' .DS. '..' .DS. 'config',
       __DIR__ .DS. '..' .DS. '..' .DS. '..' .DS. 'module',
       __DIR__ .DS. '..' .DS. '..' .DS. '..' .DS. 'vendor',
       __DIR__ .DS. '..' .DS. '..' .DS. '..' .DS. 'public',
   ]

];

15-apc-wrapper.php

<?php

// public/admin/apc-cache-primer.php
require '../../vendor/engineyard/php-performance-tools/apc-primer/apc-primer.php';

17-Greeting.php

<?php
class Greeting {
    public function sayHello($to) 
    {
        echo "Hello $to";
    }
}

$greeter = new Greeting();
$greeter->sayHello("World");
?>

19-vld.ini

extension=vld.so

21-vld-output-1.txt

Class Greeting:
Function sayhello:
filename:      ./Greeting.php
function name:  sayHello

22-vld-output-2.txt

number of ops:  8

23-vld-output-3.txt

compiled vars:  !0 = $to

24-vld-output-4.txt

line      # *  op                     fetch        ext  return  operands
------------------------------------------------------------------------

25-sayhello-dump.txt

Class Greeting:
Function sayhello:
number of ops:  8
compiled vars:  !0 = $to

line      # *    op                      fetch          ext     return     operands
----------------------------------------------------------------------------
   3      0  >   EXT_NOP
          1      RECV                                         !0
   5      2      EXT_STMT
          3      ADD_STRING                                   ~0    'Hello+'
          4      ADD_VAR                                      ~0    ~0, !0
          5      ECHO                                                 ~0
   6      6      EXT_STMT
          7    > RETURN                                               null

26-global-dump.txt

function name:  (null)
number of ops:  17
compiled vars:  !0 = $greeter

line      # *    op                 fetch      ext      return    operands
----------------------------------------------------------------------------
   2      0  >   EXT_STMT
          1      NOP
   9      2      EXT_STMT
          3      FETCH_CLASS                    4          :1     'Greeting'
          4      EXT_FCALL_BEGIN
          5      NEW                                       $2     :1
          6      DO_FCALL_BY_NAME               0
          7      EXT_FCALL_END
          8      ASSIGN                                           !0, $2
  10      9      EXT_STMT
  10             INIT_METHOD_CALL                                 !0, 'sayHello'
  11             EXT_FCALL_BEGIN
  12             SEND_VAL                                         'World'
  13             DO_FCALL_BY_NAME               1
  14             EXT_FCALL_END
  12     15     EXT_STMT
  16          > RETURN                                            1