root/Zend/zend_alloc_sizes.h

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   1 /*
   2    +----------------------------------------------------------------------+
   3    | Zend Engine                                                          |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 2.00 of the Zend license,     |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.zend.com/license/2_00.txt.                                |
  11    | If you did not receive a copy of the Zend license and are unable to  |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@zend.com so we can mail you a copy immediately.              |
  14    +----------------------------------------------------------------------+
  15    | Authors: Dmitry Stogov <dmitry@zend.com>                             |
  16    +----------------------------------------------------------------------+
  17 */
  18 
  19 #ifndef ZEND_ALLOC_SIZES_H
  20 #define ZEND_ALLOC_SIZES_H
  21 
  22 #define ZEND_MM_CHUNK_SIZE (2 * 1024 * 1024)               /* 2 MB  */
  23 #define ZEND_MM_PAGE_SIZE  (4 * 1024)                      /* 4 KB  */
  24 #define ZEND_MM_PAGES      (ZEND_MM_CHUNK_SIZE / ZEND_MM_PAGE_SIZE)  /* 512 */
  25 #define ZEND_MM_FIRST_PAGE (1)
  26 
  27 #define ZEND_MM_MIN_SMALL_SIZE          8
  28 #define ZEND_MM_MAX_SMALL_SIZE      3072
  29 #define ZEND_MM_MAX_LARGE_SIZE      (ZEND_MM_CHUNK_SIZE - (ZEND_MM_PAGE_SIZE * ZEND_MM_FIRST_PAGE))
  30 
  31 /* num, size, count, pages */
  32 #define ZEND_MM_BINS_INFO(_, x, y) \
  33         _( 0,    8,  512, 1, x, y) \
  34         _( 1,   16,  256, 1, x, y) \
  35         _( 2,   24,  170, 1, x, y) \
  36         _( 3,   32,  128, 1, x, y) \
  37         _( 4,   40,  102, 1, x, y) \
  38         _( 5,   48,   85, 1, x, y) \
  39         _( 6,   56,   73, 1, x, y) \
  40         _( 7,   64,   64, 1, x, y) \
  41         _( 8,   80,   51, 1, x, y) \
  42         _( 9,   96,   42, 1, x, y) \
  43         _(10,  112,   36, 1, x, y) \
  44         _(11,  128,   32, 1, x, y) \
  45         _(12,  160,   25, 1, x, y) \
  46         _(13,  192,   21, 1, x, y) \
  47         _(14,  224,   18, 1, x, y) \
  48         _(15,  256,   16, 1, x, y) \
  49         _(16,  320,   64, 5, x, y) \
  50         _(17,  384,   32, 3, x, y) \
  51         _(18,  448,    9, 1, x, y) \
  52         _(19,  512,    8, 1, x, y) \
  53         _(20,  640,   32, 5, x, y) \
  54         _(21,  768,   16, 3, x, y) \
  55         _(22,  896,    9, 2, x, y) \
  56         _(23, 1024,    8, 2, x, y) \
  57         _(24, 1280,   16, 5, x, y) \
  58         _(25, 1536,    8, 3, x, y) \
  59         _(26, 1792,   16, 7, x, y) \
  60         _(27, 2048,    8, 4, x, y) \
  61         _(28, 2560,    8, 5, x, y) \
  62         _(29, 3072,    4, 3, x, y)
  63 
  64 #endif /* ZEND_ALLOC_SIZES_H */
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