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1 /* GLIB sliced memory - fast threaded memory chunk allocator |
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2 * Copyright (C) 2005 Tim Janik |
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3 * Portion Copyright © 2008-09 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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4 * This library is free software; you can redistribute it and/or |
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5 * modify it under the terms of the GNU Lesser General Public |
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6 * License as published by the Free Software Foundation; either |
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7 * version 2 of the License, or (at your option) any later version. |
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8 * |
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9 * This library is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 * Lesser General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU Lesser General Public |
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15 * License along with this library; if not, write to the |
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16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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17 * Boston, MA 02111-1307, USA. |
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18 */ |
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19 #include <glib.h> |
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20 #include <string.h> |
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21 |
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22 |
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23 #define ALIGN(size, base) ((base) * (gsize) (((size) + (base) - 1) / (base))) |
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24 |
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25 #ifdef SYMBIAN |
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26 #include "mrt2_glib2_test.h" |
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27 #endif //SYMBIAN |
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28 |
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29 static gdouble parse_memsize (const gchar *cstring); |
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30 static void usage (void); |
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31 |
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32 static void |
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33 fill_memory (guint **mem, |
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34 guint n, |
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35 guint val) |
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36 { |
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37 guint j, o = 0; |
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38 for (j = 0; j < n; j++) |
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39 mem[j][o] = val; |
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40 } |
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41 |
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42 static guint64 |
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43 access_memory3 (guint **mema, |
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44 guint **memb, |
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45 guint **memd, |
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46 guint n, |
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47 guint64 repeats) |
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48 { |
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49 guint64 accu = 0, i, j; |
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50 const guint o = 0; |
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51 for (i = 0; i < repeats; i++) |
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52 { |
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53 for (j = 1; j < n; j += 2) |
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54 memd[j][o] = mema[j][o] + memb[j][o]; |
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55 } |
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56 for (i = 0; i < repeats; i++) |
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57 for (j = 0; j < n; j++) |
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58 accu += memd[j][o]; |
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59 return accu; |
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60 } |
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61 |
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62 static void |
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63 touch_mem (guint64 block_size, |
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64 guint64 n_blocks, |
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65 guint64 repeats) |
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66 { |
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67 guint **mema,**memb,**memc ; |
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68 guint64 j, accu, n = n_blocks; |
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69 GTimer *timer; |
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70 mema = g_new (guint*, n); |
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71 for (j = 0; j < n; j++) |
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72 mema[j] = g_slice_alloc (block_size); |
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73 memb = g_new (guint*, n); |
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74 for (j = 0; j < n; j++) |
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75 memb[j] = g_slice_alloc (block_size); |
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76 memc = g_new (guint*, n); |
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77 for (j = 0; j < n; j++) |
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78 memc[j] = g_slice_alloc (block_size); |
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79 |
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80 timer = g_timer_new(); |
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81 fill_memory (mema, n, 2); |
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82 fill_memory (memb, n, 3); |
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83 fill_memory (memc, n, 4); |
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84 access_memory3 (mema, memb, memc, n, 3); |
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85 g_timer_start (timer); |
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86 accu = access_memory3 (mema, memb, memc, n, repeats); |
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87 g_timer_stop (timer); |
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88 |
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89 g_print ("Access-time = %fs\n", g_timer_elapsed (timer, NULL)); |
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90 g_assert (accu / repeats == (2 + 3) * n / 2 + 4 * n / 2); |
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91 |
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92 for (j = 0; j < n; j++) |
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93 { |
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94 g_slice_free1 (block_size, mema[j]); |
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95 g_slice_free1 (block_size, memb[j]); |
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96 g_slice_free1 (block_size, memc[j]); |
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97 } |
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98 g_timer_destroy (timer); |
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99 g_free (mema); |
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100 g_free (memb); |
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101 g_free (memc); |
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102 } |
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103 |
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104 static void |
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105 usage (void) |
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106 { |
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107 g_print ("Usage: slice-color <block-size> [memory-size] [repeats] [colorization]\n"); |
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108 } |
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109 |
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110 int |
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111 main (int argc, |
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112 char *argv[]) |
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113 { |
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114 guint64 block_size = 512, area_size = 1024 * 1024, n_blocks, repeats = 1000000; |
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115 |
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116 #ifdef SYMBIAN |
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117 g_log_set_handler (NULL, G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL); |
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118 g_set_print_handler(mrtPrintHandler); |
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119 #endif /*SYMBIAN*/ |
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120 |
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121 if (argc > 1) |
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122 block_size = parse_memsize (argv[1]); |
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123 else |
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124 { |
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125 usage(); |
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126 block_size = 512; |
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127 } |
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128 if (argc > 2) |
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129 area_size = parse_memsize (argv[2]); |
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130 if (argc > 3) |
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131 repeats = parse_memsize (argv[3]); |
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132 if (argc > 4) |
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133 g_slice_set_config (G_SLICE_CONFIG_COLOR_INCREMENT, parse_memsize (argv[4])); |
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134 |
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135 /* figure number of blocks from block and area size. |
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136 * divide area by 3 because touch_mem() allocates 3 areas |
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137 */ |
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138 n_blocks = area_size / 3 / ALIGN (block_size, sizeof (gsize) * 2); |
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139 |
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140 /* basic sanity checks */ |
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141 if (!block_size || !n_blocks || block_size >= area_size) |
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142 { |
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143 g_printerr ("Invalid arguments: block-size=%llu memory-size=%llu\n", block_size, area_size); |
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144 usage(); |
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145 return 1; |
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146 } |
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147 |
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148 g_printerr ("Will allocate and touch %llu blocks of %llu bytes (= %llu bytes) %llu times with color increment: 0x%08llx\n", |
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149 n_blocks, block_size, n_blocks * block_size, repeats);//, g_slice_get_config (G_SLICE_CONFIG_COLOR_INCREMENT) |
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150 |
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151 touch_mem (block_size, n_blocks, repeats); |
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152 |
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153 |
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154 #ifdef SYMBIAN |
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155 testResultXml("slice-color"); |
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156 #endif //SYMBIAN |
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157 |
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158 |
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159 |
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160 return 0; |
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161 } |
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162 |
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163 static gdouble |
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164 parse_memsize (const gchar *cstring) |
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165 { |
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166 gchar *derr; |
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167 gdouble msize; |
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168 gchar *mem = g_strdup (cstring); |
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169 gchar *string = g_strstrip (mem); |
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170 guint l = strlen (string); |
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171 gdouble f = 0; |
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172 switch (l ? string[l - 1] : 0) |
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173 { |
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174 case 'k': f = 1000; break; |
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175 case 'K': f = 1024; break; |
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176 case 'm': f = 1000000; break; |
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177 case 'M': f = 1024 * 1024; break; |
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178 case 'g': f = 1000000000; break; |
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179 case 'G': f = 1024 * 1024 * 1024; break; |
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180 } |
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181 if (f) |
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182 string[l - 1] = 0; |
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183 derr = NULL; |
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184 msize = g_ascii_strtod (string, &derr); |
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185 g_free (mem); |
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186 if (derr && *derr) |
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187 { |
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188 g_printerr ("failed to parse number at: %s\n", derr); |
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189 msize = 0; |
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190 } |
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191 if (f) |
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192 msize *= f; |
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193 return msize; |
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194 } |