[334] | 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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[353] | 11 | #include "stdlib.h" |
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[334] | 12 | #include "barrier.h" |
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[384] | 13 | #include "malloc.h" |
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[334] | 14 | |
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[372] | 15 | #define USE_SBT_BARRIER 1 |
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[353] | 16 | #define VERBOSE 0 |
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| 17 | #define SUPER_VERBOSE 0 |
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[334] | 18 | |
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[353] | 19 | #define INITIAL_DISPLAY_ENABLE 0 |
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[334] | 20 | #define FINAL_DISPLAY_ENABLE 1 |
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| 21 | |
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[353] | 22 | #define NB_CLUSTERS (X_SIZE * Y_SIZE) |
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[334] | 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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[372] | 38 | // global instrumentation counters (cluster_id, lpid] |
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| 39 | |
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[353] | 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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[334] | 47 | |
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[372] | 48 | // global synchronization barrier |
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[334] | 49 | |
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[372] | 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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[334] | 55 | |
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[372] | 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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[334] | 59 | |
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[372] | 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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[334] | 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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[353] | 96 | int file = 0; // file descriptor |
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[334] | 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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[362] | 99 | unsigned int nclusters = NB_CLUSTERS; // number of clusters |
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[334] | 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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[353] | 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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[334] | 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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[402] | 130 | if ((X_SIZE!=1) && (X_SIZE!=2) && (X_SIZE!=4) && (X_SIZE!=8) && (X_SIZE!=16)) |
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| 131 | giet_exit( "[CONVOL ERROR] X_SIZE must be 1, 2, 4, 8, 16\n"); |
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[334] | 132 | |
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[402] | 133 | if ((Y_SIZE!=1) && (Y_SIZE!=2) && (Y_SIZE!=4) && (Y_SIZE!=8) && (Y_SIZE!=16)) |
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| 134 | giet_exit( "[CONVOL ERROR] Y_SIZE must be 1, 2, 4, 8, 16\n"); |
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[334] | 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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[372] | 142 | |
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[334] | 143 | /////////////////////////////////////////////////////////////////// |
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[372] | 144 | // task[0][0][0] makes barrier initialisation |
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[334] | 145 | /////////////////////////////////////////////////////////////////// |
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[372] | 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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[334] | 163 | |
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[372] | 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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[384] | 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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[372] | 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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[377] | 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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[372] | 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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[353] | 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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[334] | 224 | |
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| 225 | for (c = 0; c < nclusters; c++) |
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| 226 | { |
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[372] | 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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[334] | 232 | } |
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| 233 | |
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| 234 | /////////////////////////////////////////////////////////////////////////// |
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[372] | 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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[334] | 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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[353] | 249 | for ( c = 0 ; c < NB_CLUSTERS ; c++ ) |
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[334] | 250 | { |
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[353] | 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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[334] | 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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[353] | 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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[334] | 261 | } |
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[372] | 262 | load_image_ok = 1; |
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[334] | 263 | } |
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| 264 | else |
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| 265 | { |
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[372] | 266 | while ( load_image_ok == 0 ); |
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[334] | 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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[353] | 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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[334] | 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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[353] | 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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[334] | 305 | |
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[377] | 306 | //////////////////////////// |
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| 307 | #if USE_SBT_BARRIER |
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[372] | 308 | sbt_barrier_wait( &barrier ); |
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[377] | 309 | #else |
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[372] | 310 | barrier_wait( &barrier ); |
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[377] | 311 | #endif |
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[334] | 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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[353] | 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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[334] | 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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[353] | 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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[334] | 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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[353] | 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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[377] | 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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[334] | 416 | |
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[372] | 417 | |
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[353] | 418 | /////////////////////////////////////////////////////////////// |
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[334] | 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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[353] | 425 | /////////////////////////////////////////////////////////////// |
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[334] | 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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[353] | 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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[334] | 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 | |
---|
| 451 | int sum_l; |
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| 452 | |
---|
| 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; |
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| 462 | |
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| 463 | for (z = 0, sum_l = 0; z < 35; z++) |
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| 464 | { |
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| 465 | sum_l = sum_l + vf[z] * TB(src_c, src_p, max(l - 17 + z,0) ); |
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| 466 | } |
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| 467 | TC(dst_c, dst_l, p) = sum_l / vnorm; |
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| 468 | } |
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| 469 | // second domain |
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| 470 | for (l = 18; l < NL - 17; l++) |
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| 471 | { |
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| 472 | // dst_c and dst_l are the cluster index and the line index for C |
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| 473 | int dst_c = l / lines_per_cluster; |
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| 474 | int dst_l = l % lines_per_cluster; |
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| 475 | |
---|
| 476 | sum_l = sum_l + TB(src_c, src_p, l + 4) |
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| 477 | + TB(src_c, src_p, l + 8) |
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| 478 | + TB(src_c, src_p, l + 11) |
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| 479 | + TB(src_c, src_p, l + 15) |
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| 480 | + TB(src_c, src_p, l + 17) |
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| 481 | - TB(src_c, src_p, l - 5) |
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| 482 | - TB(src_c, src_p, l - 9) |
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| 483 | - TB(src_c, src_p, l - 12) |
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| 484 | - TB(src_c, src_p, l - 16) |
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| 485 | - TB(src_c, src_p, l - 18); |
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| 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 | |
---|
[353] | 510 | #if SUPER_VERBOSE |
---|
| 511 | giet_shr_printf(" - column %d computed at cycle %d\n", p, giet_proctime()); |
---|
| 512 | #endif |
---|
| 513 | |
---|
[334] | 514 | } |
---|
| 515 | |
---|
| 516 | date = giet_proctime(); |
---|
| 517 | V_END[cluster_id][lpid] = date; |
---|
| 518 | |
---|
[353] | 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 | |
---|
[377] | 528 | //////////////////////////// |
---|
| 529 | #if USE_SBT_BARRIER |
---|
| 530 | sbt_barrier_wait( &barrier ); |
---|
| 531 | #else |
---|
| 532 | barrier_wait( &barrier ); |
---|
| 533 | #endif |
---|
[334] | 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 | |
---|
[353] | 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 | |
---|
[334] | 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; |
---|
[353] | 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 |
---|
[334] | 584 | |
---|
[377] | 585 | ////////////////////////////// |
---|
| 586 | #if USE_SBT_BARRIER |
---|
| 587 | sbt_barrier_wait( &barrier ); |
---|
| 588 | #else |
---|
| 589 | barrier_wait( &barrier ); |
---|
| 590 | #endif |
---|
[372] | 591 | |
---|
[334] | 592 | } |
---|
| 593 | |
---|
| 594 | ///////////////////////////////////////////////////////// |
---|
| 595 | // Task[0,0,0] makes the instrumentation |
---|
| 596 | ///////////////////////////////////////////////////////// |
---|
| 597 | |
---|
| 598 | if ( pid == 0 ) |
---|
| 599 | { |
---|
| 600 | date = giet_proctime(); |
---|
[353] | 601 | giet_shr_printf("\n[CONVOL] task[0,0,0] starts instrumentation" |
---|
| 602 | " at cycle %d\n\n", date ); |
---|
[334] | 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 | |
---|
[353] | 660 | giet_shr_printf(" - H_END : min = %d / max = %d / med = %d / delta = %d\n", |
---|
[334] | 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 | |
---|
[353] | 666 | giet_shr_printf(" - V_END : min = %d / max = %d / med = %d / delta = %d\n", |
---|
[334] | 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 | |
---|
[353] | 672 | giet_shr_printf(" - D_END : min = %d / max = %d / med = %d / delta = %d\n", |
---|
[334] | 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" ); |
---|
[353] | 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 ); |
---|
[334] | 683 | |
---|
[372] | 684 | instrumentation_ok = 1; |
---|
[334] | 685 | } |
---|
| 686 | else |
---|
| 687 | { |
---|
[372] | 688 | while ( instrumentation_ok == 0 ); |
---|
[334] | 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 | |
---|