1 | //////////////////////////////////////////////////////////////////////////////////////////// |
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2 | // File : main.c (for convol application) |
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3 | // Date : june 2014 |
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4 | // author : Alain Greiner |
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5 | // |
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6 | // The "convol" application implements a 2D convolution product. |
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7 | //////////////////////////////////////////////////////////////////////////////////////////// |
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8 | |
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9 | #include "hard_config.h" |
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10 | #include "stdio.h" |
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11 | #include "stdlib.h" |
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12 | #include "barrier.h" |
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13 | #include "malloc.h" |
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14 | |
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15 | #define USE_SBT_BARRIER 1 |
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16 | #define VERBOSE 0 |
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17 | #define SUPER_VERBOSE 0 |
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18 | |
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19 | #define INITIAL_DISPLAY_ENABLE 0 |
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20 | #define FINAL_DISPLAY_ENABLE 1 |
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21 | |
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22 | #define NB_CLUSTERS (X_SIZE * Y_SIZE) |
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23 | #define PIXEL_SIZE 2 |
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24 | #define NL 1024 |
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25 | #define NP 1024 |
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26 | #define NB_PIXELS (NP * NL) |
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27 | #define FRAME_SIZE (NB_PIXELS * PIXEL_SIZE) |
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28 | |
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29 | #define TA(c,l,p) (A[c][((NP) * (l)) + (p)]) |
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30 | #define TB(c,p,l) (B[c][((NL) * (p)) + (l)]) |
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31 | #define TC(c,l,p) (C[c][((NP) * (l)) + (p)]) |
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32 | #define TD(c,l,p) (D[c][((NP) * (l)) + (p)]) |
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33 | #define TZ(c,l,p) (Z[c][((NP) * (l)) + (p)]) |
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34 | |
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35 | #define max(x,y) ((x) > (y) ? (x) : (y)) |
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36 | #define min(x,y) ((x) < (y) ? (x) : (y)) |
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37 | |
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38 | // global instrumentation counters (cluster_id, lpid] |
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39 | |
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40 | unsigned int START[NB_CLUSTERS][NB_PROCS_MAX]; |
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41 | unsigned int H_BEG[NB_CLUSTERS][NB_PROCS_MAX]; |
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42 | unsigned int H_END[NB_CLUSTERS][NB_PROCS_MAX]; |
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43 | unsigned int V_BEG[NB_CLUSTERS][NB_PROCS_MAX]; |
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44 | unsigned int V_END[NB_CLUSTERS][NB_PROCS_MAX]; |
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45 | unsigned int D_BEG[NB_CLUSTERS][NB_PROCS_MAX]; |
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46 | unsigned int D_END[NB_CLUSTERS][NB_PROCS_MAX]; |
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47 | |
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48 | // global synchronization barrier |
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49 | |
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50 | #if USE_SBT_BARRIER |
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51 | giet_sbt_barrier_t barrier; |
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52 | #else |
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53 | giet_barrier_t barrier; |
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54 | #endif |
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55 | |
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56 | volatile unsigned int barrier_init_ok = 0; |
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57 | volatile unsigned int load_image_ok = 0; |
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58 | volatile unsigned int instrumentation_ok = 0; |
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59 | |
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60 | // global pointers on distributed buffers in all clusters |
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61 | unsigned short * GA[NB_CLUSTERS]; |
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62 | int * GB[NB_CLUSTERS]; |
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63 | int * GC[NB_CLUSTERS]; |
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64 | int * GD[NB_CLUSTERS]; |
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65 | unsigned char * GZ[NB_CLUSTERS]; |
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66 | |
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67 | /////////////////////////////////////////// |
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68 | __attribute__ ((constructor)) void main() |
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69 | /////////////////////////////////////////// |
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70 | { |
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71 | ////////////////////////////////// |
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72 | // convolution kernel parameters |
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73 | // The content of this section is |
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74 | // Philips proprietary information. |
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75 | /////////////////////////////////// |
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76 | |
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77 | int vnorm = 115; |
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78 | int vf[35] = { 1, 1, 2, 2, 2, |
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79 | 2, 3, 3, 3, 4, |
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80 | 4, 4, 4, 5, 5, |
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81 | 5, 5, 5, 5, 5, |
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82 | 5, 5, 4, 4, 4, |
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83 | 4, 3, 3, 3, 2, |
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84 | 2, 2, 2, 1, 1 }; |
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85 | |
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86 | int hrange = 100; |
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87 | int hnorm = 201; |
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88 | |
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89 | unsigned int date = 0; |
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90 | |
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91 | int c; // cluster index for loops |
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92 | int l; // line index for loops |
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93 | int p; // pixel index for loops |
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94 | int z; // vertical filter index for loops |
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95 | |
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96 | int file = 0; // file descriptor |
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97 | unsigned int pid = giet_procid(); // processor id |
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98 | unsigned int nprocs = NB_PROCS_MAX; // procs per cluster |
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99 | unsigned int nclusters = NB_CLUSTERS; // number of clusters |
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100 | unsigned int lpid = pid % nprocs; // local task id |
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101 | unsigned int cluster_xy = pid / nprocs; // cluster index |
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102 | unsigned int x = cluster_xy >> Y_WIDTH; // x coordinate |
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103 | unsigned int y = cluster_xy & ((1<<Y_WIDTH)-1); // y coordinate |
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104 | unsigned int cluster_id = (x * Y_SIZE) + y; // continuous cluster index |
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105 | unsigned int task_id = (cluster_id * nprocs) + lpid; // continuous task index |
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106 | unsigned int ntasks = nclusters * nprocs; // number of tasks |
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107 | unsigned int npixels = NB_PIXELS; // pixels per frame |
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108 | unsigned int frame_size = FRAME_SIZE; // total size (bytes) |
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109 | unsigned int nblocks = frame_size / 512; // number of blocks per frame |
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110 | |
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111 | unsigned int lines_per_task = NL / ntasks; // lines per task |
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112 | unsigned int lines_per_cluster = NL / nclusters; // lines per cluster |
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113 | unsigned int pixels_per_task = NP / ntasks; // columns per task |
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114 | unsigned int pixels_per_cluster = NP / nclusters; // columns per cluster |
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115 | |
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116 | int first, last; |
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117 | |
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118 | date = giet_proctime(); |
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119 | START[cluster_id][lpid] = date; |
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120 | |
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121 | #if VERBOSE |
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122 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] starts at cycle %d\n", x,y,lpid, date ); |
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123 | #endif |
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124 | |
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125 | // parameters checking |
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126 | |
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127 | if ((nprocs != 1) && (nprocs != 2) && (nprocs != 4)) |
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128 | giet_exit( "[CONVOL ERROR] NB_PROCS_MAX must be 1, 2 or 4\n"); |
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129 | |
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130 | if ((X_SIZE!=1) && (X_SIZE!=2) && (X_SIZE!=4) && (X_SIZE!=8)) |
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131 | giet_exit( "[CONVOL ERROR] X_SIZE must be 1, 2, 4, 8\n"); |
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132 | |
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133 | if ((Y_SIZE!=1) && (Y_SIZE!=2) && (Y_SIZE!=4) && (Y_SIZE!=8)) |
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134 | giet_exit( "[CONVOL ERROR] X_SIZE must be 1, 2, 4, 8\n"); |
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135 | |
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136 | if ( NL % nclusters != 0 ) |
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137 | giet_exit( "[CONVOL ERROR] NB_CLUSTERS must be a divider of NL"); |
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138 | |
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139 | if ( NP % nclusters != 0 ) |
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140 | giet_exit( "[CONVOL ERROR] NB_CLUSTERS must be a divider of NP"); |
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141 | |
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142 | |
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143 | /////////////////////////////////////////////////////////////////// |
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144 | // task[0][0][0] makes barrier initialisation |
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145 | /////////////////////////////////////////////////////////////////// |
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146 | |
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147 | if ( pid == 0 ) |
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148 | { |
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149 | giet_shr_printf("\n[CONVOL] task[0,0,0] starts barrier init at cycle %d\n" |
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150 | "- NB_CLUSTERS = %d\n" |
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151 | "- NB_LOCAL_PROCS = %d\n" |
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152 | "- NB_TASKS = %d\n" |
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153 | "- NB_PIXELS = %x\n" |
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154 | "- FRAME_SIZE = %x\n" |
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155 | "- NB_BLOCKS = %x\n", |
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156 | giet_proctime(), nclusters, nprocs, ntasks, |
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157 | npixels, frame_size, nblocks ); |
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158 | #if USE_SBT_BARRIER |
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159 | sbt_barrier_init( &barrier, ntasks ); |
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160 | #else |
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161 | barrier_init( &barrier, ntasks ); |
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162 | #endif |
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163 | |
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164 | giet_shr_printf( "\n[CONVOL] task[0,0,0] completes barrier init at cycle %d\n", |
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165 | giet_proctime() ); |
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166 | |
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167 | barrier_init_ok = 1; |
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168 | } |
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169 | else |
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170 | { |
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171 | while ( barrier_init_ok == 0 ); |
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172 | } |
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173 | |
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174 | /////////////////////////////////////////////////////////////////// |
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175 | // All task[x][y][0] allocate the global buffers in cluster(x,y) |
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176 | // These buffers mut be sector-aligned. |
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177 | /////////////////////////////////////////////////////////////////// |
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178 | if ( lpid == 0 ) |
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179 | { |
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180 | |
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181 | #if VERBOSE |
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182 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] enters malloc at cycle %d\n", x,y,lpid, date ); |
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183 | #endif |
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184 | |
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185 | GA[cluster_id] = remote_malloc( (FRAME_SIZE/nclusters) , x , y ); |
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186 | GB[cluster_id] = remote_malloc( (FRAME_SIZE/nclusters)*2 , x , y ); |
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187 | GC[cluster_id] = remote_malloc( (FRAME_SIZE/nclusters)*2 , x , y ); |
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188 | GD[cluster_id] = remote_malloc( (FRAME_SIZE/nclusters)*2 , x , y ); |
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189 | GZ[cluster_id] = remote_malloc( (FRAME_SIZE/nclusters)/2 , x , y ); |
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190 | |
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191 | #if VERBOSE |
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192 | giet_shr_printf( "\n[CONVOL] Shared Buffer Virtual Addresses in cluster(%d,%d)\n" |
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193 | "### GA = %x\n" |
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194 | "### GB = %x\n" |
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195 | "### GC = %x\n" |
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196 | "### GD = %x\n" |
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197 | "### GZ = %x\n", |
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198 | x, y, |
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199 | GA[cluster_id], |
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200 | GB[cluster_id], |
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201 | GC[cluster_id], |
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202 | GD[cluster_id], |
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203 | GZ[cluster_id] ); |
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204 | #endif |
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205 | } |
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206 | |
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207 | /////////////////////////////// |
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208 | #if USE_SBT_BARRIER |
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209 | sbt_barrier_wait( &barrier ); |
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210 | #else |
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211 | barrier_wait( &barrier ); |
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212 | #endif |
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213 | |
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214 | /////////////////////////////////////////////////////////////////// |
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215 | // All tasks initialise in their private stack a copy of the |
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216 | // arrays of pointers on the shared, distributed buffers. |
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217 | /////////////////////////////////////////////////////////////////// |
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218 | |
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219 | unsigned short * A[NB_CLUSTERS]; |
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220 | int * B[NB_CLUSTERS]; |
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221 | int * C[NB_CLUSTERS]; |
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222 | int * D[NB_CLUSTERS]; |
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223 | unsigned char * Z[NB_CLUSTERS]; |
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224 | |
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225 | for (c = 0; c < nclusters; c++) |
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226 | { |
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227 | A[c] = GA[c]; |
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228 | B[c] = GB[c]; |
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229 | C[c] = GC[c]; |
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230 | D[c] = GD[c]; |
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231 | Z[c] = GZ[c]; |
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232 | } |
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233 | |
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234 | /////////////////////////////////////////////////////////////////////////// |
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235 | // task[0,0,0] open the file containing image, and load it from disk |
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236 | // to all A[c] buffers (nblocks / nclusters loaded in each cluster). |
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237 | // Other tasks are waiting on the init_ok condition. |
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238 | ////////////////////////////////////////////////////////////////////////// |
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239 | if ( pid == 0 ) |
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240 | { |
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241 | // open file |
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242 | file = giet_fat_open("misc/philips_image.raw", 0 ); |
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243 | if ( file < 0 ) giet_exit( "[CONVOL ERROR] task[0,0,0] cannot open" |
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244 | " file misc/philips_image.raw" ); |
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245 | |
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246 | giet_shr_printf( "\n[CONVOL] task[0,0,0] open file misc/philips_image.raw" |
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247 | " at cycle %d\n", giet_proctime() ); |
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248 | |
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249 | for ( c = 0 ; c < NB_CLUSTERS ; c++ ) |
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250 | { |
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251 | giet_shr_printf( "\n[CONVOL] task[0,0,0] starts load " |
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252 | "for cluster %d at cycle %d\n", c, giet_proctime() ); |
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253 | |
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254 | giet_fat_read( file, |
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255 | A[c], |
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256 | nblocks/nclusters, |
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257 | (nblocks/nclusters)*c ); |
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258 | |
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259 | giet_shr_printf( "\n[CONVOL] task[0,0,0] completes load " |
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260 | "for cluster %d at cycle %d\n", c, giet_proctime() ); |
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261 | } |
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262 | load_image_ok = 1; |
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263 | } |
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264 | else |
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265 | { |
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266 | while ( load_image_ok == 0 ); |
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267 | } |
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268 | |
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269 | ///////////////////////////////////////////////////////////////////////////// |
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270 | // Optionnal parallel display of the initial image stored in A[c] buffers. |
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271 | // Eah task displays (NL/ntasks) lines. (one byte per pixel). |
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272 | ///////////////////////////////////////////////////////////////////////////// |
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273 | |
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274 | if ( INITIAL_DISPLAY_ENABLE ) |
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275 | { |
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276 | |
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277 | #if VERBOSE |
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278 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] starts initial display" |
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279 | " at cycle %d\n", |
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280 | x, y, lpid, giet_proctime() ); |
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281 | #endif |
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282 | |
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283 | unsigned int line; |
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284 | unsigned int offset = lines_per_task * lpid; |
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285 | |
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286 | for ( l = 0 ; l < lines_per_task ; l++ ) |
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287 | { |
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288 | line = offset + l; |
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289 | |
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290 | for ( p = 0 ; p < NP ; p++ ) |
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291 | { |
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292 | TZ(cluster_id, line, p) = (unsigned char)(TA(cluster_id, line, p) >> 8); |
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293 | } |
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294 | |
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295 | giet_fb_sync_write( NP*(l + (task_id * lines_per_task) ), |
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296 | &TZ(cluster_id, line, 0), |
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297 | NP); |
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298 | } |
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299 | |
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300 | #if VERBOSE |
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301 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] completes initial display" |
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302 | " at cycle %d\n", |
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303 | x, y, lpid, giet_proctime() ); |
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304 | #endif |
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305 | |
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306 | //////////////////////////// |
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307 | #if USE_SBT_BARRIER |
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308 | sbt_barrier_wait( &barrier ); |
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309 | #else |
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310 | barrier_wait( &barrier ); |
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311 | #endif |
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312 | |
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313 | } |
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314 | |
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315 | //////////////////////////////////////////////////////// |
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316 | // parallel horizontal filter : |
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317 | // B <= transpose(FH(A)) |
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318 | // D <= A - FH(A) |
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319 | // Each task computes (NL/ntasks) lines |
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320 | // The image must be extended : |
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321 | // if (z<0) TA(cluster_id,l,z) == TA(cluster_id,l,0) |
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322 | // if (z>NP-1) TA(cluster_id,l,z) == TA(cluster_id,l,NP-1) |
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323 | //////////////////////////////////////////////////////// |
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324 | |
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325 | date = giet_proctime(); |
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326 | H_BEG[cluster_id][lpid] = date; |
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327 | |
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328 | #if VERBOSE |
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329 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] starts horizontal filter" |
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330 | " at cycle %d\n", |
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331 | x, y, lpid, date ); |
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332 | #else |
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333 | if ( pid == 0 ) giet_shr_printf( "\n[CONVOL] task[0,0,0] starts horizontal filter" |
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334 | " at cycle %d\n", date ); |
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335 | #endif |
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336 | |
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337 | // l = absolute line index / p = absolute pixel index |
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338 | // first & last define which lines are handled by a given task |
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339 | |
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340 | first = task_id * lines_per_task; |
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341 | last = first + lines_per_task; |
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342 | |
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343 | for (l = first; l < last; l++) |
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344 | { |
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345 | // src_c and src_l are the cluster index and the line index for A & D |
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346 | int src_c = l / lines_per_cluster; |
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347 | int src_l = l % lines_per_cluster; |
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348 | |
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349 | // We use the specific values of the horizontal ep-filter for optimisation: |
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350 | // sum(p) = sum(p-1) + TA[p+hrange] - TA[p-hrange-1] |
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351 | // To minimize the number of tests, the loop on pixels is split in three domains |
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352 | |
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353 | int sum_p = (hrange + 2) * TA(src_c, src_l, 0); |
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354 | for (z = 1; z < hrange; z++) |
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355 | { |
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356 | sum_p = sum_p + TA(src_c, src_l, z); |
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357 | } |
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358 | |
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359 | // first domain : from 0 to hrange |
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360 | for (p = 0; p < hrange + 1; p++) |
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361 | { |
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362 | // dst_c and dst_p are the cluster index and the pixel index for B |
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363 | int dst_c = p / pixels_per_cluster; |
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364 | int dst_p = p % pixels_per_cluster; |
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365 | sum_p = sum_p + (int) TA(src_c, src_l, p + hrange) - (int) TA(src_c, src_l, 0); |
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366 | TB(dst_c, dst_p, l) = sum_p / hnorm; |
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367 | TD(src_c, src_l, p) = (int) TA(src_c, src_l, p) - sum_p / hnorm; |
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368 | } |
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369 | // second domain : from (hrange+1) to (NP-hrange-1) |
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370 | for (p = hrange + 1; p < NP - hrange; p++) |
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371 | { |
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372 | // dst_c and dst_p are the cluster index and the pixel index for B |
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373 | int dst_c = p / pixels_per_cluster; |
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374 | int dst_p = p % pixels_per_cluster; |
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375 | sum_p = sum_p + (int) TA(src_c, src_l, p + hrange) |
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376 | - (int) TA(src_c, src_l, p - hrange - 1); |
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377 | TB(dst_c, dst_p, l) = sum_p / hnorm; |
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378 | TD(src_c, src_l, p) = (int) TA(src_c, src_l, p) - sum_p / hnorm; |
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379 | } |
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380 | // third domain : from (NP-hrange) to (NP-1) |
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381 | for (p = NP - hrange; p < NP; p++) |
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382 | { |
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383 | // dst_c and dst_p are the cluster index and the pixel index for B |
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384 | int dst_c = p / pixels_per_cluster; |
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385 | int dst_p = p % pixels_per_cluster; |
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386 | sum_p = sum_p + (int) TA(src_c, src_l, NP - 1) |
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387 | - (int) TA(src_c, src_l, p - hrange - 1); |
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388 | TB(dst_c, dst_p, l) = sum_p / hnorm; |
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389 | TD(src_c, src_l, p) = (int) TA(src_c, src_l, p) - sum_p / hnorm; |
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390 | } |
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391 | |
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392 | #if SUPER_VERBOSE |
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393 | giet_shr_printf(" - line %d computed at cycle %d\n", l, giet_proctime() ); |
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394 | #endif |
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395 | |
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396 | } |
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397 | |
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398 | date = giet_proctime(); |
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399 | H_END[cluster_id][lpid] = date; |
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400 | |
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401 | #if VERBOSE |
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402 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] completes horizontal filter" |
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403 | " at cycle %d\n", |
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404 | x, y, lpid, date ); |
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405 | #else |
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406 | if ( pid == 0 ) giet_shr_printf( "\n[CONVOL] task[0,0,0] completes horizontal filter" |
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407 | " at cycle %d\n", date ); |
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408 | #endif |
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409 | |
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410 | ///////////////////////////// |
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411 | #if USE_SBT_BARRIER |
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412 | sbt_barrier_wait( &barrier ); |
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413 | #else |
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414 | barrier_wait( &barrier ); |
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415 | #endif |
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416 | |
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417 | |
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418 | /////////////////////////////////////////////////////////////// |
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419 | // parallel vertical filter : |
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420 | // C <= transpose(FV(B)) |
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421 | // Each task computes (NP/ntasks) columns |
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422 | // The image must be extended : |
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423 | // if (l<0) TB(cluster_id,p,l) == TB(cluster_id,p,0) |
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424 | // if (l>NL-1) TB(cluster_id,p,l) == TB(cluster_id,p,NL-1) |
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425 | /////////////////////////////////////////////////////////////// |
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426 | |
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427 | date = giet_proctime(); |
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428 | V_BEG[cluster_id][lpid] = date; |
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429 | |
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430 | #if VERBOSE |
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431 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] starts vertical filter" |
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432 | " at cycle %d\n", |
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433 | x, y, lpid, date ); |
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434 | #else |
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435 | if ( pid == 0 ) giet_shr_printf( "\n[CONVOL] task[0,0,0] starts vertical filter" |
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436 | " at cycle %d\n", date ); |
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437 | #endif |
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438 | |
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439 | // l = absolute line index / p = absolute pixel index |
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440 | // first & last define which pixels are handled by a given task |
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441 | |
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442 | first = task_id * pixels_per_task; |
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443 | last = first + pixels_per_task; |
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444 | |
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445 | for (p = first; p < last; p++) |
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446 | { |
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447 | // src_c and src_p are the cluster index and the pixel index for B |
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448 | int src_c = p / pixels_per_cluster; |
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449 | int src_p = p % pixels_per_cluster; |
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450 | |
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451 | int sum_l; |
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452 | |
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453 | // We use the specific values of the vertical ep-filter |
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454 | // To minimize the number of tests, the NL lines are split in three domains |
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455 | |
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456 | // first domain : explicit computation for the first 18 values |
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457 | for (l = 0; l < 18; l++) |
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458 | { |
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459 | // dst_c and dst_l are the cluster index and the line index for C |
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460 | int dst_c = l / lines_per_cluster; |
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461 | int dst_l = l % lines_per_cluster; |
---|
462 | |
---|
463 | for (z = 0, sum_l = 0; z < 35; z++) |
---|
464 | { |
---|
465 | sum_l = sum_l + vf[z] * TB(src_c, src_p, max(l - 17 + z,0) ); |
---|
466 | } |
---|
467 | TC(dst_c, dst_l, p) = sum_l / vnorm; |
---|
468 | } |
---|
469 | // second domain |
---|
470 | for (l = 18; l < NL - 17; l++) |
---|
471 | { |
---|
472 | // dst_c and dst_l are the cluster index and the line index for C |
---|
473 | int dst_c = l / lines_per_cluster; |
---|
474 | int dst_l = l % lines_per_cluster; |
---|
475 | |
---|
476 | sum_l = sum_l + TB(src_c, src_p, l + 4) |
---|
477 | + TB(src_c, src_p, l + 8) |
---|
478 | + TB(src_c, src_p, l + 11) |
---|
479 | + TB(src_c, src_p, l + 15) |
---|
480 | + TB(src_c, src_p, l + 17) |
---|
481 | - TB(src_c, src_p, l - 5) |
---|
482 | - TB(src_c, src_p, l - 9) |
---|
483 | - TB(src_c, src_p, l - 12) |
---|
484 | - TB(src_c, src_p, l - 16) |
---|
485 | - TB(src_c, src_p, l - 18); |
---|
486 | |
---|
487 | TC(dst_c, dst_l, p) = sum_l / vnorm; |
---|
488 | } |
---|
489 | // third domain |
---|
490 | for (l = NL - 17; l < NL; l++) |
---|
491 | { |
---|
492 | // dst_c and dst_l are the cluster index and the line index for C |
---|
493 | int dst_c = l / lines_per_cluster; |
---|
494 | int dst_l = l % lines_per_cluster; |
---|
495 | |
---|
496 | sum_l = sum_l + TB(src_c, src_p, min(l + 4, NL - 1)) |
---|
497 | + TB(src_c, src_p, min(l + 8, NL - 1)) |
---|
498 | + TB(src_c, src_p, min(l + 11, NL - 1)) |
---|
499 | + TB(src_c, src_p, min(l + 15, NL - 1)) |
---|
500 | + TB(src_c, src_p, min(l + 17, NL - 1)) |
---|
501 | - TB(src_c, src_p, l - 5) |
---|
502 | - TB(src_c, src_p, l - 9) |
---|
503 | - TB(src_c, src_p, l - 12) |
---|
504 | - TB(src_c, src_p, l - 16) |
---|
505 | - TB(src_c, src_p, l - 18); |
---|
506 | |
---|
507 | TC(dst_c, dst_l, p) = sum_l / vnorm; |
---|
508 | } |
---|
509 | |
---|
510 | #if SUPER_VERBOSE |
---|
511 | giet_shr_printf(" - column %d computed at cycle %d\n", p, giet_proctime()); |
---|
512 | #endif |
---|
513 | |
---|
514 | } |
---|
515 | |
---|
516 | date = giet_proctime(); |
---|
517 | V_END[cluster_id][lpid] = date; |
---|
518 | |
---|
519 | #if VERBOSE |
---|
520 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] completes vertical filter" |
---|
521 | " at cycle %d\n", |
---|
522 | x, y, lpid, date ); |
---|
523 | #else |
---|
524 | if ( pid == 0 ) giet_shr_printf( "\n[CONVOL] task[0,0,0] completes vertical filter" |
---|
525 | " at cycle %d\n", date ); |
---|
526 | #endif |
---|
527 | |
---|
528 | //////////////////////////// |
---|
529 | #if USE_SBT_BARRIER |
---|
530 | sbt_barrier_wait( &barrier ); |
---|
531 | #else |
---|
532 | barrier_wait( &barrier ); |
---|
533 | #endif |
---|
534 | |
---|
535 | //////////////////////////////////////////////////////////////// |
---|
536 | // Optional parallel display of the final image Z <= D + C |
---|
537 | // Eah task displays (NL/ntasks) lines. (one byte per pixel). |
---|
538 | //////////////////////////////////////////////////////////////// |
---|
539 | |
---|
540 | if ( FINAL_DISPLAY_ENABLE ) |
---|
541 | { |
---|
542 | date = giet_proctime(); |
---|
543 | D_BEG[cluster_id][lpid] = date; |
---|
544 | |
---|
545 | #if VERBOSE |
---|
546 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] starts final display" |
---|
547 | " at cycle %d\n", |
---|
548 | x, y, lpid, date); |
---|
549 | #else |
---|
550 | if ( pid == 0 ) giet_shr_printf( "\n[CONVOL] task[0,0,0] starts final display" |
---|
551 | " at cycle %d\n", date ); |
---|
552 | #endif |
---|
553 | |
---|
554 | unsigned int line; |
---|
555 | unsigned int offset = lines_per_task * lpid; |
---|
556 | |
---|
557 | for ( l = 0 ; l < lines_per_task ; l++ ) |
---|
558 | { |
---|
559 | line = offset + l; |
---|
560 | |
---|
561 | for ( p = 0 ; p < NP ; p++ ) |
---|
562 | { |
---|
563 | TZ(cluster_id, line, p) = |
---|
564 | (unsigned char)( (TD(cluster_id, line, p) + |
---|
565 | TC(cluster_id, line, p) ) >> 8 ); |
---|
566 | } |
---|
567 | |
---|
568 | giet_fb_sync_write( NP*(l + (task_id * lines_per_task) ), |
---|
569 | &TZ(cluster_id, line, 0), |
---|
570 | NP); |
---|
571 | } |
---|
572 | |
---|
573 | date = giet_proctime(); |
---|
574 | D_END[cluster_id][lpid] = date; |
---|
575 | |
---|
576 | #if VERBOSE |
---|
577 | giet_shr_printf( "\n[CONVOL] task[%d,%d,%d] completes final display" |
---|
578 | " at cycle %d\n", |
---|
579 | x, y, lpid, date); |
---|
580 | #else |
---|
581 | if ( pid == 0 ) giet_shr_printf( "\n[CONVOL] task[0,0,0] completes final display" |
---|
582 | " at cycle %d\n", date ); |
---|
583 | #endif |
---|
584 | |
---|
585 | ////////////////////////////// |
---|
586 | #if USE_SBT_BARRIER |
---|
587 | sbt_barrier_wait( &barrier ); |
---|
588 | #else |
---|
589 | barrier_wait( &barrier ); |
---|
590 | #endif |
---|
591 | |
---|
592 | } |
---|
593 | |
---|
594 | ///////////////////////////////////////////////////////// |
---|
595 | // Task[0,0,0] makes the instrumentation |
---|
596 | ///////////////////////////////////////////////////////// |
---|
597 | |
---|
598 | if ( pid == 0 ) |
---|
599 | { |
---|
600 | date = giet_proctime(); |
---|
601 | giet_shr_printf("\n[CONVOL] task[0,0,0] starts instrumentation" |
---|
602 | " at cycle %d\n\n", date ); |
---|
603 | |
---|
604 | int cc, pp; |
---|
605 | |
---|
606 | unsigned int min_start = 0xFFFFFFFF; |
---|
607 | unsigned int max_start = 0; |
---|
608 | |
---|
609 | unsigned int min_h_beg = 0xFFFFFFFF; |
---|
610 | unsigned int max_h_beg = 0; |
---|
611 | |
---|
612 | unsigned int min_h_end = 0xFFFFFFFF; |
---|
613 | unsigned int max_h_end = 0; |
---|
614 | |
---|
615 | unsigned int min_v_beg = 0xFFFFFFFF; |
---|
616 | unsigned int max_v_beg = 0; |
---|
617 | |
---|
618 | unsigned int min_v_end = 0xFFFFFFFF; |
---|
619 | unsigned int max_v_end = 0; |
---|
620 | |
---|
621 | unsigned int min_d_beg = 0xFFFFFFFF; |
---|
622 | unsigned int max_d_beg = 0; |
---|
623 | |
---|
624 | unsigned int min_d_end = 0xFFFFFFFF; |
---|
625 | unsigned int max_d_end = 0; |
---|
626 | |
---|
627 | for (cc = 0; cc < nclusters; cc++) |
---|
628 | { |
---|
629 | for (pp = 0; pp < nprocs; pp++ ) |
---|
630 | { |
---|
631 | if (START[cc][pp] < min_start) min_start = START[cc][pp]; |
---|
632 | if (START[cc][pp] > max_start) max_start = START[cc][pp]; |
---|
633 | |
---|
634 | if (H_BEG[cc][pp] < min_h_beg) min_h_beg = H_BEG[cc][pp]; |
---|
635 | if (H_BEG[cc][pp] > max_h_beg) max_h_beg = H_BEG[cc][pp]; |
---|
636 | |
---|
637 | if (H_END[cc][pp] < min_h_end) min_h_end = H_END[cc][pp]; |
---|
638 | if (H_END[cc][pp] > max_h_end) max_h_end = H_END[cc][pp]; |
---|
639 | |
---|
640 | if (V_BEG[cc][pp] < min_v_beg) min_v_beg = V_BEG[cc][pp]; |
---|
641 | if (V_BEG[cc][pp] > max_v_beg) max_v_beg = V_BEG[cc][pp]; |
---|
642 | |
---|
643 | if (V_END[cc][pp] < min_v_end) min_v_end = V_END[cc][pp]; |
---|
644 | if (V_END[cc][pp] > max_v_end) max_v_end = V_END[cc][pp]; |
---|
645 | |
---|
646 | if (D_BEG[cc][pp] < min_d_beg) min_d_beg = D_BEG[cc][pp]; |
---|
647 | if (D_BEG[cc][pp] > max_d_beg) max_d_beg = D_BEG[cc][pp]; |
---|
648 | |
---|
649 | if (D_END[cc][pp] < min_d_end) min_d_end = D_END[cc][pp]; |
---|
650 | if (D_END[cc][pp] > max_d_end) max_d_end = D_END[cc][pp]; |
---|
651 | } |
---|
652 | } |
---|
653 | |
---|
654 | giet_shr_printf(" - START : min = %d / max = %d / med = %d / delta = %d\n", |
---|
655 | min_start, max_start, (min_start+max_start)/2, max_start-min_start); |
---|
656 | |
---|
657 | giet_shr_printf(" - H_BEG : min = %d / max = %d / med = %d / delta = %d\n", |
---|
658 | min_h_beg, max_h_beg, (min_h_beg+max_h_beg)/2, max_h_beg-min_h_beg); |
---|
659 | |
---|
660 | giet_shr_printf(" - H_END : min = %d / max = %d / med = %d / delta = %d\n", |
---|
661 | min_h_end, max_h_end, (min_h_end+max_h_end)/2, max_h_end-min_h_end); |
---|
662 | |
---|
663 | giet_shr_printf(" - V_BEG : min = %d / max = %d / med = %d / delta = %d\n", |
---|
664 | min_v_beg, max_v_beg, (min_v_beg+max_v_beg)/2, max_v_beg-min_v_beg); |
---|
665 | |
---|
666 | giet_shr_printf(" - V_END : min = %d / max = %d / med = %d / delta = %d\n", |
---|
667 | min_v_end, max_v_end, (min_v_end+max_v_end)/2, max_v_end-min_v_end); |
---|
668 | |
---|
669 | giet_shr_printf(" - D_BEG : min = %d / max = %d / med = %d / delta = %d\n", |
---|
670 | min_d_beg, max_d_beg, (min_d_beg+max_d_beg)/2, max_d_beg-min_d_beg); |
---|
671 | |
---|
672 | giet_shr_printf(" - D_END : min = %d / max = %d / med = %d / delta = %d\n", |
---|
673 | min_d_end, max_d_end, (min_d_end+max_d_end)/2, max_d_end-min_d_end); |
---|
674 | |
---|
675 | giet_shr_printf( "\n General Scenario (Kcycles for each step)\n" ); |
---|
676 | giet_shr_printf( " - BOOT OS = %d\n", (min_start )/1000 ); |
---|
677 | giet_shr_printf( " - LOAD IMAGE = %d\n", (min_h_beg - min_start)/1000 ); |
---|
678 | giet_shr_printf( " - H_FILTER = %d\n", (max_h_end - min_h_beg)/1000 ); |
---|
679 | giet_shr_printf( " - BARRIER HORI/VERT = %d\n", (min_v_beg - max_h_end)/1000 ); |
---|
680 | giet_shr_printf( " - V_FILTER = %d\n", (max_v_end - min_v_beg)/1000 ); |
---|
681 | giet_shr_printf( " - BARRIER VERT/DISP = %d\n", (min_d_beg - max_v_end)/1000 ); |
---|
682 | giet_shr_printf( " - DISPLAY = %d\n", (max_d_end - min_d_beg)/1000 ); |
---|
683 | |
---|
684 | instrumentation_ok = 1; |
---|
685 | } |
---|
686 | else |
---|
687 | { |
---|
688 | while ( instrumentation_ok == 0 ); |
---|
689 | } |
---|
690 | |
---|
691 | giet_exit( "completed"); |
---|
692 | |
---|
693 | } // end main() |
---|
694 | |
---|
695 | // Local Variables: |
---|
696 | // tab-width: 3 |
---|
697 | // c-basic-offset: 3 |
---|
698 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
---|
699 | // indent-tabs-mode: nil |
---|
700 | // End: |
---|
701 | |
---|
702 | // vim: filetype=cpp:expandtab:shiftwidth=3:tabstop=3:softtabstop=3 |
---|
703 | |
---|
704 | |
---|