1 | /* ------------- */ |
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2 | /* --- mca.c --- */ |
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3 | /* ------------- */ |
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4 | |
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5 | /* |
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6 | * Copyright (c) 2016 Lionel Lacassagne, LIP6, UPMC, CNRS |
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7 | * Init : 2016/03/03 |
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8 | * modif : 2016/03/07 |
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9 | */ |
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10 | |
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11 | #include <stdio.h> |
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12 | #include <stdlib.h> |
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13 | #include <string.h> |
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14 | #include <math.h> |
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15 | #include <malloc.h> |
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16 | |
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17 | #include "nrc_os_config.h" |
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18 | #include "config.h" |
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19 | #include "nrc.h" |
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20 | |
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21 | #if TARGET_OS == GIETVM |
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22 | #include <giet_config.h> |
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23 | #endif |
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24 | |
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25 | #include "util.h" |
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26 | #include "ecc_common.h" |
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27 | #include "ecc_features.h" |
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28 | #include "mca_matrix_dist.h" |
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29 | |
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30 | #include "palette.h" |
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31 | #include "bmpNR.h" |
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32 | #include "str_ext.h" |
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33 | |
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34 | |
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35 | // -- local -- |
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36 | #include "mca.h" |
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37 | |
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38 | |
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39 | // ----------------------- |
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40 | void MCA_Error(char * msg) |
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41 | // ----------------------- |
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42 | { |
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43 | printf("MCA ERROR: %s\n", msg); |
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44 | exit(1); |
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45 | } |
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46 | |
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47 | |
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48 | // ------------------------------- |
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49 | MCA * MCA_pConstructor_Empty(void) |
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50 | // ------------------------------- |
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51 | { |
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52 | MCA * mca; |
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53 | mca = (MCA *) malloc(sizeof(MCA)); |
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54 | |
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55 | if (mca == NULL) { |
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56 | MCA_Error("allocation failed in MCA_pConstructor_Empty"); |
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57 | } |
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58 | return mca; |
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59 | } |
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60 | |
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61 | |
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62 | // --------------------------------------- |
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63 | void MCA_Set_ImageX(MCA * mca, uint8 ** X) |
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64 | // --------------------------------------- |
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65 | { |
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66 | mca->X = X; |
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67 | } |
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68 | |
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69 | |
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70 | // -------------------------------------- |
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71 | void MCA_Set_ImageL(MCA * mca, uint32 ** E) |
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72 | // -------------------------------------- |
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73 | { |
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74 | mca->E = E; |
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75 | } |
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76 | |
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77 | |
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78 | // ------------------------------------ |
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79 | void MCA_Set_Width(MCA * mca, int width) |
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80 | // ------------------------------------ |
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81 | { |
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82 | mca->width = width; |
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83 | |
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84 | mca->j0 = 0; |
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85 | mca->j1 = width - 1; |
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86 | } |
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87 | |
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88 | |
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89 | // -------------------------------------- |
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90 | void MCA_Set_Height(MCA * mca, int height) |
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91 | // -------------------------------------- |
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92 | { |
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93 | mca->height = height; |
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94 | |
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95 | mca->i0 = 0; |
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96 | mca->i1 = height - 1; |
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97 | } |
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98 | |
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99 | |
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100 | // ------------------------------------------------ |
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101 | void MCA_Set_Size(MCA * mca, int width, int height) |
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102 | // ------------------------------------------------ |
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103 | { |
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104 | MCA_Set_Width(mca, width); |
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105 | MCA_Set_Height(mca, height); |
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106 | } |
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107 | |
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108 | |
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109 | // ----------------------------------------------------- |
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110 | void MCA_Set_Dimension(MCA * mca, int width, int height) |
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111 | // ----------------------------------------------------- |
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112 | { |
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113 | MCA_Set_Width(mca, width); |
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114 | MCA_Set_Height(mca, height); |
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115 | } |
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116 | |
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117 | |
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118 | // ------------------------------- |
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119 | void MCA_Set_NP(MCA * mca, int np) |
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120 | // ------------------------------- |
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121 | { |
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122 | mca->np = np; |
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123 | } |
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124 | |
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125 | |
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126 | // ------------------------------- |
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127 | void MCA_Set_NR(MCA * mca, int nr) |
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128 | // ------------------------------- |
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129 | { |
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130 | mca->nr = nr; |
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131 | } |
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132 | |
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133 | |
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134 | |
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135 | // ------------------------------------------------------------------ |
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136 | uint32 MCA_CalcMaxLabels(int connection, uint32 height, uint32 width) |
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137 | // ------------------------------------------------------------------ |
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138 | { |
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139 | uint32 nemax = 0; |
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140 | |
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141 | if (connection == 4) { |
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142 | nemax = ((height + 1) / 2) * ((width + 1) / 2) + (height / 2) * (width / 2); // 4C |
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143 | } |
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144 | if (connection == 8) { |
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145 | nemax = ((height + 1) / 2) * ((width + 1) / 2); // 8C |
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146 | } |
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147 | return nemax; |
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148 | } |
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149 | |
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150 | |
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151 | // --------------------------- |
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152 | void MCA_Initialize(MCA * mca) |
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153 | // --------------------------- |
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154 | { |
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155 | // input |
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156 | int np = mca->np; |
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157 | int nr = mca->nr; |
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158 | int width = mca->width; |
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159 | int height = mca->height; |
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160 | |
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161 | // variables |
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162 | int i0_par, i1_par, i1_par_previous; |
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163 | int j0_par, j1_par; |
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164 | int height_par, height_mod; |
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165 | |
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166 | int pw2; |
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167 | int32 ne_par; // quantite par bande |
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168 | uint32 nemax_par; // la puissance de 2 >= |
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169 | uint32 e0_par, e1_par; // indice par bande [start..end] |
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170 | int nb_level; |
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171 | |
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172 | MCA ** mcas; |
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173 | MCA * mca_par; |
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174 | |
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175 | MCA_VERBOSE1(printf("*** %s ***\n", __func__)); |
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176 | MCA_VERBOSE2(printf(" height = %d\n", height)); |
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177 | MCA_VERBOSE2(printf(" width = %d\n", width)); |
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178 | |
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179 | // array of pointers to mca workers |
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180 | mcas = (MCA **) malloc(np * sizeof(MCA *)); |
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181 | if (mcas == NULL) { |
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182 | MCA_Error("MCA_Initialize1"); |
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183 | } |
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184 | mca->mcas = mcas; |
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185 | |
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186 | // hauteur de chaque bande |
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187 | height_par = height / np; |
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188 | height_mod = height % np; |
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189 | |
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190 | MCA_VERBOSE2(printf(" height_par = %d x %d + %d\n", height_par, np, height_mod)); |
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191 | MCA_VERBOSE2(printf(" ========================\n")); |
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192 | |
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193 | i1_par_previous = 0; |
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194 | |
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195 | // puissance de 2 de chaque bande |
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196 | ne_par = height_par * width + 1; |
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197 | MCA_VERBOSE2(printf(" ne_par = %d\n", ne_par)); |
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198 | pw2 = i32log2(ne_par); |
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199 | if (ne_par > (1 << pw2)) { |
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200 | pw2++; |
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201 | } |
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202 | nemax_par = 1 << pw2; |
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203 | mca->alpha = pw2; |
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204 | |
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205 | MCA_VERBOSE2(printf(" nemax_par = %d\n", nemax_par)); |
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206 | |
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207 | nb_level = i32log2(np); |
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208 | if ((1 << nb_level) < np) { |
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209 | nb_level++; |
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210 | } |
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211 | |
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212 | #if PYR_BARRIERS |
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213 | // ------------------------------------------ |
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214 | // -- Allocation des barriÚres pyramidales -- |
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215 | // ------------------------------------------ |
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216 | |
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217 | pthread_barrier_t * barriers = NULL; |
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218 | if (nb_level > 0) { |
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219 | barriers = malloc(sizeof(pthread_barrier_t) * nb_level); |
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220 | |
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221 | // Initially all threads are active except thread 0 |
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222 | int nb_active = np - 1; |
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223 | pthread_barrier_init(&barriers[0], NULL, nb_active); |
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224 | for (int i = 1; i < nb_level; i++) { |
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225 | // thread 0 never does any merge |
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226 | for (int p = 1; p < np; p++) { |
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227 | if ((p + (1 << (i - 1))) % (1 << i) == 0) { |
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228 | // thread inactive at level i |
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229 | nb_active -= 1; |
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230 | } |
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231 | } |
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232 | pthread_barrier_init(&barriers[i], NULL, nb_active); |
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233 | } |
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234 | } |
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235 | #endif |
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236 | |
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237 | for (int p = 0; p < np; p++) { |
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238 | |
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239 | // ----------------- // |
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240 | // -- constructor -- // |
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241 | // ----------------- // |
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242 | MCA_VERBOSE3(printf("-- p = %d ----------------\n", p)); |
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243 | |
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244 | // alloc of mca workers into array of pointers |
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245 | mca_par = MCA_pConstructor_Empty(); |
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246 | if (mca_par == NULL) { |
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247 | MCA_Error("MCA_Initialize2\n"); |
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248 | } |
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249 | mcas[p] = mca_par; |
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250 | mca_par->p = p; |
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251 | mca_par->mca = mca; // pointer to master |
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252 | #if TARGET_OS == GIETVM |
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253 | int x, y; // cluster coordinates |
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254 | // We have p == 4 => x = 0; y = 1 |
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255 | x = (p / NB_PROCS_MAX) / Y_SIZE; |
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256 | y = (p / NB_PROCS_MAX) % Y_SIZE; |
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257 | MCA_VERBOSE3(printf("p = %d (x = %d, y = %d)\n", p, x, y)); |
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258 | #endif |
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259 | |
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260 | // ------------------------------------- // |
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261 | // -- calcul des parametres: passe #1 -- // |
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262 | // ------------------------------------- // |
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263 | |
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264 | // hauteur de chaque bande |
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265 | if (p == 0) { |
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266 | i0_par = 0; |
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267 | } |
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268 | else { |
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269 | i0_par = i1_par_previous + 1; |
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270 | } |
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271 | if (height_mod) { |
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272 | i1_par = i0_par + height_par; |
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273 | height_mod = height_mod - 1; |
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274 | } |
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275 | else { |
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276 | i1_par = i0_par + height_par - 1; |
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277 | } |
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278 | i1_par_previous = i1_par; |
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279 | |
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280 | MCA_VERBOSE3(printf("i0_par = %d\n", i0_par)); |
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281 | MCA_VERBOSE3(printf("i1_par = %d\n", i1_par)); |
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282 | |
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283 | // etiquettes |
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284 | if (p == 0) { |
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285 | e0_par = 1; |
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286 | e1_par = nemax_par - 1; |
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287 | } |
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288 | else { |
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289 | e0_par = p * nemax_par; |
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290 | e1_par = e0_par + nemax_par - 1; |
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291 | } |
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292 | |
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293 | MCA_VERBOSE3(printf("e0_par = %d\n", e0_par)); |
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294 | MCA_VERBOSE3(printf("e1_par = %d\n", e1_par)); |
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295 | |
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296 | mca_par->width = width; |
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297 | mca_par->height = height_par; |
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298 | mca_par->i0 = i0_par; |
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299 | mca_par->i1 = i1_par; |
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300 | mca_par->j0 = 0; |
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301 | mca_par->j1 = width - 1; |
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302 | mca_par->e0 = e0_par; |
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303 | mca_par->e1 = e1_par; |
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304 | // à la premiÚre itération, on remet à 0 toute la table T |
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305 | mca_par->ne_prev = e1_par; |
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306 | mca_par->alpha = pw2; |
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307 | mca_par->np = np; |
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308 | mca_par->nr = nr; |
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309 | // Pour les barriÚres pyramidales |
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310 | mca_par->nb_level = nb_level; |
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311 | #if PYR_BARRIERS |
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312 | mca_par->barriers = barriers; |
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313 | #else |
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314 | mca_par->barriers = NULL; |
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315 | #endif |
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316 | mca_par->F = NULL; // default init |
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317 | mca_par->stats = NULL; // default init |
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318 | |
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319 | // ---------------- // |
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320 | // -- allocation -- // |
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321 | // ---------------- // |
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322 | #if TARGET_OS == GIETVM |
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323 | mca_par->X = remote_ui8matrix(i0_par, i1_par, 0, width - 1, x, y); |
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324 | mca_par->E = remote_dist_ui32matrix(i0_par, i1_par, 0, width - 1, x, y); // distributed matrix with border |
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325 | |
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326 | mca_par->T = remote_ui32vector(e0_par, e1_par, x, y); |
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327 | mca_par->stats = remote_RegionStatsVector(e0_par, e1_par, x, y); |
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328 | |
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329 | mca_par->D = (uint32 **) remote_vvector(0, np - 1, x, y); |
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330 | mca_par->F = (RegionStats **) remote_vvector(0, np - 1, x, y); |
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331 | #else // !GIETVM |
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332 | mca_par->X = ui8matrix (i0_par, i1_par, 0, width - 1); |
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333 | mca_par->E = dist_ui32matrix(i0_par, i1_par, 0, width - 1); // distributed matrix with border |
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334 | |
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335 | mca_par->T = ui32vector(e0_par, e1_par); |
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336 | mca_par->stats = RegionStatsVector(e0_par, e1_par); |
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337 | |
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338 | mca_par->D = (uint32 **) vvector(0, np - 1); |
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339 | mca_par->F = (RegionStats **) vvector(0, np - 1); |
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340 | #endif |
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341 | MCA_VERBOSE3(printf("X = %p\n", mca_par->X)); |
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342 | MCA_VERBOSE3(printf("E = %p\n", mca_par->E)); |
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343 | MCA_VERBOSE3(printf("T = %p\n", mca_par->T)); |
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344 | MCA_VERBOSE3(printf("D = %p\n", mca_par->D)); |
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345 | } // p |
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346 | |
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347 | |
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348 | for (int p = 0; p < np; p++) { |
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349 | MCA * mca_par = mcas[p]; |
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350 | |
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351 | uint32 * T = mca_par->T; |
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352 | uint32 e0 = mca_par->e0; |
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353 | uint32 e1 = mca_par->e1; |
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354 | |
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355 | MCA_VERBOSE3(printf("p = %d T[%d..%d]\n", p, e0, e1)); |
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356 | set_ui32vector_j(T, e0, e1); |
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357 | } |
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358 | |
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359 | MCA_VERBOSE3(printf("display des tables d'EQ\n")); |
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360 | for (int p = 0; p < np; p++) { |
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361 | MCA * mca_par = mcas[p]; |
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362 | |
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363 | uint32 * T = mca_par->T; |
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364 | uint32 e0 = mca_par->e0; |
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365 | uint32 e1 = mca_par->e1; |
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366 | |
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367 | MCA_VERBOSE3(printf("p = %d T[%d..%d]\n", p, e0, e1)); |
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368 | MCA_VERBOSE3(display_ui32vector_number(T, e0, e0 + 10, "%5d", "T")); |
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369 | MCA_VERBOSE3(printf("\n")); |
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370 | } |
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371 | //exit(-1); |
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372 | |
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373 | // ------------------------------------------------------------- // |
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374 | // -- calcul des parametres: passe #2 = parametres distribues -- // |
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375 | // ------------------------------------------------------------- // |
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376 | |
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377 | // table d'indirection distribuee D |
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378 | MCA_VERBOSE3(printf("nemax_par = %d\n", nemax_par)); |
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379 | for (int p = 0; p < np; p++) { |
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380 | MCA * mca_p = mcas[p]; |
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381 | uint32 ** D = mca_p->D; |
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382 | RegionStats ** F = mca_p->F; |
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383 | |
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384 | for (int k = 0; k < np; k++) { |
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385 | MCA * mca_k = mcas[k]; |
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386 | uint32 * T = mca_k->T; |
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387 | D[k] = T + k * nemax_par; // il faut soustraire le "MSB" |
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388 | RegionStats * stat = mca_k->stats; |
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389 | F[k] = stat + k * nemax_par; // il faut soustraire le "MSB" |
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390 | } // k |
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391 | } // p |
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392 | |
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393 | MCA_VERBOSE3(printf("table d'indirection distribuee D\n")); |
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394 | |
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395 | for (int p = 0; p < np; p++) { |
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396 | MCA_VERBOSE3(printf("== p = %d ==========\n", p)); |
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397 | |
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398 | MCA * mca_p = mcas[p]; |
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399 | uint32 ** D = mca_p->D; |
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400 | |
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401 | for (int k = 0; k < np; k++) { |
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402 | MCA * mca_k = mcas[k]; |
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403 | uint32 * T = mca_k->T; |
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404 | |
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405 | uint32 e0 = mca_k->e0; |
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406 | uint32 e1 = mca_k->e1; |
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407 | MCA_VERBOSE3(display_ui32vector_number(T, e0, e0 + 9, "%5d", "T")); |
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408 | MCA_VERBOSE3(display_ui32vector(D[k], 0, 9, "%5d", "D\n")); |
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409 | } |
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410 | MCA_VERBOSE3(printf("\n")); |
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411 | } |
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412 | |
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413 | for (int p = 0; p < np; p++) { |
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414 | if (p > 0) { |
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415 | //printf("i0_(%d) = %d i1_{%d} = %d\n", p, mcas[p]->i0, p-1, mcas[p-1]->i1); |
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416 | mcas[p]->E[mcas[p]->i0 - 1] = mcas[p - 1]->E[mcas[p - 1]->i1]; |
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417 | |
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418 | /*printf("E[%2d] = E[%2d] = %p\n", mcas[p ]->i0 - 1, |
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419 | mcas[p - 1]->i1, |
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420 | mcas[p - 1]->E[mcas[p - 1]->i1]);*/ |
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421 | } |
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422 | if (p < np - 1) { |
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423 | //printf("i1_(%d) = %d i0_{%d} = %d\n", p, mcas[p]->i1, p+1, mcas[p-1]->i0); |
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424 | mcas[p]->E[mcas[p]->i1 + 1] = mcas[p + 1]->E[mcas[p + 1]->i0]; |
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425 | |
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426 | /*printf("E[%2d] = E[%2d] = %p\n", mcas[p ]->i1 + 1, |
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427 | mcas[p + 1]->i0, |
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428 | mcas[p + 1]->E[mcas[p + 1]->i1]);*/ |
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429 | } |
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430 | } |
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431 | } |
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432 | |
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433 | |
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434 | // ----------------------------------- |
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435 | void MCA_Display_Parameters(MCA * mca) |
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436 | // ----------------------------------- |
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437 | { |
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438 | int np = mca->np; |
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439 | |
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440 | MCA ** mcas = mca->mcas; |
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441 | MCA * mca_par; |
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442 | (void) mca_par; |
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443 | |
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444 | MCA_VERBOSE1(printf("*** MCA_Display_Parameters ***\n")); |
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445 | |
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446 | MCA_VERBOSE2(printf(" height = %d\n", mca->height)); |
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447 | MCA_VERBOSE2(printf(" width = %d\n", mca->width)); |
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448 | MCA_VERBOSE2(printf(" np = %d\n", mca->np)); |
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449 | |
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450 | for (int p = 0; p < np; p++) { |
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451 | mca_par = mcas[p]; |
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452 | |
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453 | MCA_VERBOSE3(printf("Display MCA[%d]\n", p)); |
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454 | MCA_VERBOSE3(printf("p = %d\n", mca_par->p)); |
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455 | MCA_VERBOSE3(printf("i0 = %8d i1 = %8d\n", mca_par->i0, mca_par->i1)); |
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456 | MCA_VERBOSE3(printf("j0 = %8d j1 = %8d\n", mca_par->j0, mca_par->j1)); |
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457 | MCA_VERBOSE3(printf("e0 = %8d e1 = %8d\n", mca_par->e0, mca_par->e1)); |
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458 | } |
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459 | } |
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460 | |
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461 | |
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462 | // ------------------------- |
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463 | void MCA_Finalize(MCA * mca) |
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464 | // ------------------------- |
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465 | { |
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466 | int np = mca->np; |
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467 | |
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468 | MCA ** mcas = mca->mcas; |
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469 | MCA * mca_par; |
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470 | |
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471 | int i0, i1; |
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472 | int j0, j1; |
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473 | uint32 e0, e1; |
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474 | |
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475 | MCA_VERBOSE1(printf("*** MCA_Finalize ***\n")); |
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476 | |
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477 | #if PYR_BARRIERS |
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478 | free(mcas[0]->barriers); |
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479 | #endif |
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480 | |
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481 | for (int p = 0; p < np; p++) { |
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482 | mca_par = mcas[p]; |
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483 | |
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484 | i0 = mca_par->i0; |
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485 | i1 = mca_par->i1; |
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486 | j0 = mca_par->j0; |
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487 | j1 = mca_par->j1; |
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488 | e0 = mca_par->e0; |
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489 | e1 = mca_par->e1; |
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490 | |
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491 | // ---------- // |
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492 | // -- free -- // |
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493 | // ---------- // |
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494 | |
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495 | free_ui8matrix (mca_par->X, i0, i1, j0, j1); |
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496 | free_dist_ui32matrix(mca_par->E, i0, i1, j0, j1); |
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497 | |
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498 | free_ui32vector(mca_par->T, e0, e1); |
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499 | free_RegionStatsVector(mca_par->stats, e0, e1); |
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500 | |
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501 | free_vvector((void **) mca_par->D, 0, np - 1); |
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502 | free_vvector((void **) mca_par->F, 0, np - 1); |
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503 | free(mca_par); |
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504 | } |
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505 | free(mcas); |
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506 | free(mca); |
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507 | } |
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508 | |
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509 | |
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510 | // ------------------------------- |
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511 | void MCA_Scatter_ImageX(MCA * mca) |
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512 | // ------------------------------- |
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513 | { |
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514 | // diffusion de l'image binaire source |
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515 | |
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516 | int np = mca->np; |
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517 | uint8 ** X = mca->mca->X; |
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518 | |
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519 | if (mca->p == 0) { |
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520 | MCA_VERBOSE1(printf("*** MCA_Scatter_ImageX ***\n")); |
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521 | } |
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522 | |
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523 | int i0 = mca->i0; |
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524 | int i1 = mca->i1; |
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525 | int width = mca->width; |
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526 | |
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527 | uint8 ** X_par = mca->X; |
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528 | uint32 ** E_par = mca->E; |
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529 | |
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530 | //printf("copie de [%d..%d]x[%d..%d]\n", i0, i1, 0, width - 1); |
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531 | for (int i = i0; i <= i1; i++) { |
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532 | for (int j = 0; j <= width - 1; j++) { |
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533 | X_par[i][j] = X[i][j]; |
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534 | E_par[i][j] = 0; // inutile normalement car ecriture de 0 |
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535 | } |
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536 | } |
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537 | } |
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538 | |
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539 | |
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540 | // ------------------------------ |
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541 | void MCA_Gather_ImageL(MCA * mca) |
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542 | // ------------------------------ |
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543 | { |
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544 | // recuperation de l'image d'etiquettes |
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545 | int np = mca->np; |
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546 | uint32 ** E = mca->mca->E; |
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547 | |
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548 | if (mca->p == 0) { |
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549 | MCA_VERBOSE1(printf("*** MCA_Gather_ImageL ***\n")); |
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550 | } |
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551 | |
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552 | int i0 = mca->i0; |
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553 | int i1 = mca->i1; |
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554 | int width = mca->width; |
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555 | |
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556 | uint32 ** E_par = mca->E; |
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557 | |
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558 | for (int i = i0; i <= i1; i++) { |
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559 | for (int j = 0; j <= width - 1; j++) { |
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560 | E[i][j] = E_par[i][j]; |
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561 | } |
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562 | } |
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563 | } |
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564 | |
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565 | |
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566 | // Local Variables: |
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567 | // tab-width: 4 |
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568 | // c-basic-offset: 4 |
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569 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
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570 | // indent-tabs-mode: nil |
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571 | // End: |
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572 | |
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573 | // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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574 | |
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575 | |
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