[799] | 1 | /*************************************************************************/ |
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| 2 | /* */ |
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| 3 | /* Copyright (c) 1994 Stanford University */ |
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| 4 | /* */ |
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| 5 | /* All rights reserved. */ |
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| 6 | /* */ |
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| 7 | /* Permission is given to use, copy, and modify this software for any */ |
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| 8 | /* non-commercial purpose as long as this copyright notice is not */ |
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| 9 | /* removed. All other uses, including redistribution in whole or in */ |
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| 10 | /* part, are forbidden without prior written permission. */ |
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| 11 | /* */ |
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| 12 | /* This software is provided with absolutely no warranty and no */ |
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| 13 | /* support. */ |
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| 14 | /* */ |
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| 15 | /*************************************************************************/ |
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| 16 | |
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| 17 | /* **************** |
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| 18 | subroutine slave |
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| 19 | **************** */ |
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| 20 | |
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| 21 | #include <stdio.h> |
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| 22 | #include <math.h> |
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| 23 | |
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| 24 | #include "decs.h" |
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| 25 | |
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| 26 | #define VERBOSE 0 |
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| 27 | |
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| 28 | ///////////////////////////////////////////////////////////// |
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| 29 | __attribute__ ((constructor)) void slave( long *ptr_procid ) |
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| 30 | ///////////////////////////////////////////////////////////// |
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| 31 | { |
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| 32 | long i; |
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| 33 | long j; |
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| 34 | long nstep; |
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| 35 | long iindex; |
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| 36 | long iday = 0; |
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| 37 | double ysca1; |
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| 38 | double y; |
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| 39 | double factor; |
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| 40 | double sintemp; |
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| 41 | double curlt; |
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| 42 | double ressqr; |
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| 43 | long istart; |
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| 44 | long iend; |
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| 45 | long jstart; |
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| 46 | long jend; |
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| 47 | long ist; |
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| 48 | long ien; |
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| 49 | long jst; |
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| 50 | long jen; |
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| 51 | double fac; |
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| 52 | long dayflag = 0; |
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| 53 | long dhourflag = 0; |
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| 54 | long endflag = 0; |
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| 55 | long firstrow; |
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| 56 | long lastrow; |
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| 57 | long numrows; |
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| 58 | long firstcol; |
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| 59 | long lastcol; |
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| 60 | long numcols; |
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| 61 | long psiindex; |
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| 62 | double psibipriv; |
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| 63 | double ttime; |
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| 64 | double dhour; |
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| 65 | double day; |
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| 66 | long procid; |
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| 67 | long j_off = 0; |
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| 68 | double ** t2a; |
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| 69 | double ** t2b; |
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| 70 | double * t1a; |
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| 71 | double * t1b; |
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| 72 | double * t1c; |
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| 73 | double * t1d; |
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| 74 | long barrier_start; |
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| 75 | |
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| 76 | procid = *ptr_procid; |
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| 77 | |
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| 78 | // initialise total time in slave() |
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| 79 | gps[procid]->total_time = giet_proctime(); |
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| 80 | |
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| 81 | ressqr = lev_res[numlev - 1] * lev_res[numlev - 1]; |
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| 82 | |
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| 83 | // BARRIER |
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| 84 | barrier_start = giet_proctime(); |
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| 85 | sqt_barrier_wait( &barrier ); |
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| 86 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
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| 87 | |
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| 88 | if ( VERBOSE ) { printf("\n@@@ Thread %d pass first barrier in slave()\n", procid ); } |
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| 89 | |
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| 90 | t2a = (double **) oldga[procid]; |
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| 91 | t2b = (double **) oldgb[procid]; |
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| 92 | for (i = 0; i < im; i++) |
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| 93 | { |
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| 94 | t1a = (double *) t2a[i]; |
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| 95 | t1b = (double *) t2b[i]; |
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| 96 | for (j = 0; j < jm; j++) |
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| 97 | { |
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| 98 | t1a[j] = 0.0; |
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| 99 | t1b[j] = 0.0; |
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| 100 | } |
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| 101 | } |
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| 102 | |
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| 103 | firstcol = 1; |
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| 104 | lastcol = firstcol + gps[procid]->rel_num_x[numlev - 1] - 1; |
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| 105 | firstrow = 1; |
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| 106 | lastrow = firstrow + gps[procid]->rel_num_y[numlev - 1] - 1; |
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| 107 | |
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| 108 | numcols = gps[procid]->rel_num_x[numlev - 1]; |
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| 109 | numrows = gps[procid]->rel_num_y[numlev - 1]; |
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| 110 | j_off = (gps[procid]->colnum) * numcols; |
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| 111 | |
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| 112 | /* every process gets its own copy of the timing variables to avoid |
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| 113 | contention at shared memory locations. here, these variables |
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| 114 | are initialized. */ |
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| 115 | |
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| 116 | ttime = 0.0; |
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| 117 | dhour = 0.0; |
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| 118 | nstep = 0; |
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| 119 | day = 0.0; |
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| 120 | ysca1 = 0.5 * ysca; |
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| 121 | |
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| 122 | if (procid == MASTER) |
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| 123 | { |
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| 124 | t1a = (double *) f; |
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| 125 | for (iindex = 0; iindex <= jmx[numlev - 1] - 1; iindex++) |
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| 126 | { |
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| 127 | y = ((double) iindex) * res; |
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| 128 | t1a[iindex] = f0 + beta * (y - ysca1); |
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| 129 | } |
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| 130 | } |
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| 131 | |
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| 132 | t2a = (double **) psium[procid]; |
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| 133 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 134 | { |
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| 135 | t2a[0][0] = 0.0; |
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| 136 | } |
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| 137 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 138 | { |
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| 139 | t2a[im - 1][0] = 0.0; |
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| 140 | } |
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| 141 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 142 | { |
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| 143 | t2a[0][jm - 1] = 0.0; |
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| 144 | } |
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| 145 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 146 | { |
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| 147 | t2a[im - 1][jm - 1] = 0.0; |
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| 148 | } |
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| 149 | if (gps[procid]->neighbors[UP] == -1) |
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| 150 | { |
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| 151 | t1a = (double *) t2a[0]; |
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| 152 | for (j = firstcol; j <= lastcol; j++) |
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| 153 | { |
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| 154 | t1a[j] = 0.0; |
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| 155 | } |
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| 156 | } |
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| 157 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 158 | { |
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| 159 | t1a = (double *) t2a[im - 1]; |
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| 160 | for (j = firstcol; j <= lastcol; j++) |
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| 161 | { |
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| 162 | t1a[j] = 0.0; |
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| 163 | } |
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| 164 | } |
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| 165 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 166 | { |
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| 167 | for (j = firstrow; j <= lastrow; j++) |
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| 168 | { |
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| 169 | t2a[j][0] = 0.0; |
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| 170 | } |
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| 171 | } |
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| 172 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 173 | { |
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| 174 | for (j = firstrow; j <= lastrow; j++) |
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| 175 | { |
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| 176 | t2a[j][jm - 1] = 0.0; |
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| 177 | } |
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| 178 | } |
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| 179 | |
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| 180 | for (i = firstrow; i <= lastrow; i++) |
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| 181 | { |
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| 182 | t1a = (double *) t2a[i]; |
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| 183 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
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| 184 | { |
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| 185 | t1a[iindex] = 0.0; |
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| 186 | } |
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| 187 | } |
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| 188 | t2a = (double **) psilm[procid]; |
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| 189 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 190 | { |
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| 191 | t2a[0][0] = 0.0; |
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| 192 | } |
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| 193 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 194 | { |
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| 195 | t2a[im - 1][0] = 0.0; |
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| 196 | } |
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| 197 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 198 | { |
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| 199 | t2a[0][jm - 1] = 0.0; |
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| 200 | } |
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| 201 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 202 | { |
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| 203 | t2a[im - 1][jm - 1] = 0.0; |
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| 204 | } |
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| 205 | if (gps[procid]->neighbors[UP] == -1) |
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| 206 | { |
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| 207 | t1a = (double *) t2a[0]; |
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| 208 | for (j = firstcol; j <= lastcol; j++) |
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| 209 | { |
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| 210 | t1a[j] = 0.0; |
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| 211 | } |
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| 212 | } |
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| 213 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 214 | { |
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| 215 | t1a = (double *) t2a[im - 1]; |
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| 216 | for (j = firstcol; j <= lastcol; j++) |
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| 217 | { |
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| 218 | t1a[j] = 0.0; |
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| 219 | } |
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| 220 | } |
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| 221 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 222 | { |
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| 223 | for (j = firstrow; j <= lastrow; j++) |
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| 224 | { |
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| 225 | t2a[j][0] = 0.0; |
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| 226 | } |
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| 227 | } |
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| 228 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 229 | { |
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| 230 | for (j = firstrow; j <= lastrow; j++) |
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| 231 | { |
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| 232 | t2a[j][jm - 1] = 0.0; |
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| 233 | } |
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| 234 | } |
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| 235 | for (i = firstrow; i <= lastrow; i++) |
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| 236 | { |
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| 237 | t1a = (double *) t2a[i]; |
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| 238 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
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| 239 | { |
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| 240 | t1a[iindex] = 0.0; |
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| 241 | } |
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| 242 | } |
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| 243 | |
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| 244 | t2a = (double **) psib[procid]; |
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| 245 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 246 | { |
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| 247 | t2a[0][0] = 1.0; |
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| 248 | } |
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| 249 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 250 | { |
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| 251 | t2a[0][jm - 1] = 1.0; |
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| 252 | } |
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| 253 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 254 | { |
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| 255 | t2a[im - 1][0] = 1.0; |
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| 256 | } |
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| 257 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 258 | { |
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| 259 | t2a[im - 1][jm - 1] = 1.0; |
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| 260 | } |
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| 261 | if (gps[procid]->neighbors[UP] == -1) |
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| 262 | { |
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| 263 | t1a = (double *) t2a[0]; |
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| 264 | for (j = firstcol; j <= lastcol; j++) |
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| 265 | { |
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| 266 | t1a[j] = 1.0; |
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| 267 | } |
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| 268 | } |
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| 269 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 270 | { |
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| 271 | t1a = (double *) t2a[im - 1]; |
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| 272 | for (j = firstcol; j <= lastcol; j++) |
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| 273 | { |
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| 274 | t1a[j] = 1.0; |
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| 275 | } |
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| 276 | } |
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| 277 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 278 | { |
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| 279 | for (j = firstrow; j <= lastrow; j++) |
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| 280 | { |
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| 281 | t2a[j][0] = 1.0; |
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| 282 | } |
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| 283 | } |
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| 284 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 285 | { |
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| 286 | for (j = firstrow; j <= lastrow; j++) |
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| 287 | { |
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| 288 | t2a[j][jm - 1] = 1.0; |
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| 289 | } |
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| 290 | } |
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| 291 | for (i = firstrow; i <= lastrow; i++) |
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| 292 | { |
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| 293 | t1a = (double *) t2a[i]; |
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| 294 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
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| 295 | { |
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| 296 | t1a[iindex] = 0.0; |
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| 297 | } |
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| 298 | } |
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| 299 | |
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| 300 | // BARRIER |
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| 301 | barrier_start = giet_proctime(); |
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| 302 | sqt_barrier_wait( &barrier ); |
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| 303 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
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| 304 | |
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| 305 | if ( VERBOSE ) { printf("\n@@@ Thread %d pass second barrier in slave()\n", procid ); } |
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| 306 | |
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| 307 | /* compute psib array (one-time computation) and integrate into psibi */ |
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| 308 | istart = 1; |
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| 309 | iend = istart + gps[procid]->rel_num_y[numlev - 1] - 1; |
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| 310 | jstart = 1; |
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| 311 | jend = jstart + gps[procid]->rel_num_x[numlev - 1] - 1; |
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| 312 | ist = istart; |
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| 313 | ien = iend; |
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| 314 | jst = jstart; |
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| 315 | jen = jend; |
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| 316 | |
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| 317 | if (gps[procid]->neighbors[UP] == -1) |
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| 318 | { |
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| 319 | istart = 0; |
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| 320 | } |
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| 321 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 322 | { |
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| 323 | jstart = 0; |
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| 324 | } |
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| 325 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 326 | { |
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| 327 | iend = im - 1; |
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| 328 | } |
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| 329 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 330 | { |
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| 331 | jend = jm - 1; |
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| 332 | } |
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| 333 | |
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| 334 | t2a = (double **) rhs_multi[procid][numlev - 1]; |
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| 335 | t2b = (double **) psib[procid]; |
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| 336 | for (i = istart; i <= iend; i++) |
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| 337 | { |
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| 338 | t1a = (double *) t2a[i]; |
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| 339 | t1b = (double *) t2b[i]; |
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| 340 | for (j = jstart; j <= jend; j++) |
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| 341 | { |
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| 342 | t1a[j] = t1b[j] * ressqr; |
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| 343 | } |
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| 344 | } |
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| 345 | t2a = (double **) q_multi[procid][numlev - 1]; |
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| 346 | if (gps[procid]->neighbors[UP] == -1) |
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| 347 | { |
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| 348 | t1a = (double *) t2a[0]; |
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| 349 | t1b = (double *) t2b[0]; |
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| 350 | for (j = jstart; j <= jend; j++) |
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| 351 | { |
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| 352 | t1a[j] = t1b[j]; |
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| 353 | } |
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| 354 | } |
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| 355 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 356 | { |
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| 357 | t1a = (double *) t2a[im - 1]; |
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| 358 | t1b = (double *) t2b[im - 1]; |
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| 359 | for (j = jstart; j <= jend; j++) |
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| 360 | { |
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| 361 | t1a[j] = t1b[j]; |
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| 362 | } |
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| 363 | } |
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| 364 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 365 | { |
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| 366 | for (i = istart; i <= iend; i++) |
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| 367 | { |
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| 368 | t2a[i][0] = t2b[i][0]; |
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| 369 | } |
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| 370 | } |
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| 371 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 372 | { |
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| 373 | for (i = istart; i <= iend; i++) |
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| 374 | { |
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| 375 | t2a[i][jm - 1] = t2b[i][jm - 1]; |
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| 376 | } |
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| 377 | } |
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| 378 | |
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| 379 | // BARRIER |
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| 380 | barrier_start = giet_proctime(); |
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| 381 | sqt_barrier_wait( &barrier ); |
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| 382 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
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| 383 | |
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| 384 | if ( VERBOSE ) { printf("\n@@@ Thread %d pass third barrier in slave()\n", procid ); } |
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| 385 | |
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| 386 | t2a = (double **) psib[procid]; |
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| 387 | j = gps[procid]->neighbors[UP]; |
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| 388 | if (j != -1) |
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| 389 | { |
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| 390 | t1a = (double *) t2a[0]; |
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| 391 | t1b = (double *) psib[j][im - 2]; |
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| 392 | for (i = 1; i < jm - 1; i++) |
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| 393 | { |
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| 394 | t1a[i] = t1b[i]; |
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| 395 | } |
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| 396 | } |
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| 397 | j = gps[procid]->neighbors[DOWN]; |
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| 398 | if (j != -1) |
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| 399 | { |
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| 400 | t1a = (double *) t2a[im - 1]; |
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| 401 | t1b = (double *) psib[j][1]; |
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| 402 | for (i = 1; i < jm - 1; i++) { |
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| 403 | t1a[i] = t1b[i]; |
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| 404 | } |
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| 405 | } |
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| 406 | j = gps[procid]->neighbors[LEFT]; |
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| 407 | if (j != -1) |
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| 408 | { |
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| 409 | t2b = (double **) psib[j]; |
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| 410 | for (i = 1; i < im - 1; i++) |
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| 411 | { |
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| 412 | t2a[i][0] = t2b[i][jm - 2]; |
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| 413 | } |
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| 414 | } |
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| 415 | j = gps[procid]->neighbors[RIGHT]; |
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| 416 | if (j != -1) |
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| 417 | { |
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| 418 | t2b = (double **) psib[j]; |
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| 419 | for (i = 1; i < im - 1; i++) |
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| 420 | { |
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| 421 | t2a[i][jm - 1] = t2b[i][1]; |
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| 422 | } |
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| 423 | } |
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| 424 | |
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| 425 | t2a = (double **) q_multi[procid][numlev - 1]; |
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| 426 | t2b = (double **) psib[procid]; |
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| 427 | fac = 1.0 / (4.0 - ressqr * eig2); |
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| 428 | for (i = ist; i <= ien; i++) { |
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| 429 | t1a = (double *) t2a[i]; |
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| 430 | t1b = (double *) t2b[i]; |
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| 431 | t1c = (double *) t2b[i - 1]; |
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| 432 | t1d = (double *) t2b[i + 1]; |
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| 433 | for (j = jst; j <= jen; j++) { |
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| 434 | t1a[j] = fac * (t1d[j] + t1c[j] + t1b[j + 1] + t1b[j - 1] - ressqr * t1b[j]); |
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| 435 | } |
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| 436 | } |
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| 437 | |
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| 438 | if ( VERBOSE ) { printf("\n@@@ Thread %d in slave() call multi\n", procid ); } |
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| 439 | |
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| 440 | multig(procid); |
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| 441 | |
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| 442 | for (i = istart; i <= iend; i++) |
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| 443 | { |
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| 444 | t1a = (double *) t2a[i]; |
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| 445 | t1b = (double *) t2b[i]; |
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| 446 | for (j = jstart; j <= jend; j++) |
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| 447 | { |
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| 448 | t1b[j] = t1a[j]; |
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| 449 | } |
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| 450 | } |
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| 451 | |
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| 452 | // BARRIER |
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| 453 | barrier_start = giet_proctime(); |
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| 454 | sqt_barrier_wait( &barrier ); |
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| 455 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
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| 456 | |
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| 457 | if ( VERBOSE ) { printf("\n@@@ Thread %d pass fourth barrier in slave()\n", procid ); } |
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| 458 | |
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| 459 | /* update the local running sum psibipriv by summing all the resulting |
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| 460 | values in that process's share of the psib matrix */ |
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| 461 | |
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| 462 | t2a = (double **) psib[procid]; |
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| 463 | psibipriv = 0.0; |
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| 464 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 465 | { |
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| 466 | psibipriv = psibipriv + 0.25 * (t2a[0][0]); |
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| 467 | } |
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| 468 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 469 | { |
---|
| 470 | psibipriv = psibipriv + 0.25 * (t2a[0][jm - 1]); |
---|
| 471 | } |
---|
| 472 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 473 | { |
---|
| 474 | psibipriv = psibipriv + 0.25 * (t2a[im - 1][0]); |
---|
| 475 | } |
---|
| 476 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 477 | { |
---|
| 478 | psibipriv = psibipriv + 0.25 * (t2a[im - 1][jm - 1]); |
---|
| 479 | } |
---|
| 480 | if (gps[procid]->neighbors[UP] == -1) |
---|
| 481 | { |
---|
| 482 | t1a = (double *) t2a[0]; |
---|
| 483 | for (j = firstcol; j <= lastcol; j++) |
---|
| 484 | { |
---|
| 485 | psibipriv = psibipriv + 0.5 * t1a[j]; |
---|
| 486 | } |
---|
| 487 | } |
---|
| 488 | if (gps[procid]->neighbors[DOWN] == -1) |
---|
| 489 | { |
---|
| 490 | t1a = (double *) t2a[im - 1]; |
---|
| 491 | for (j = firstcol; j <= lastcol; j++) |
---|
| 492 | { |
---|
| 493 | psibipriv = psibipriv + 0.5 * t1a[j]; |
---|
| 494 | } |
---|
| 495 | } |
---|
| 496 | if (gps[procid]->neighbors[LEFT] == -1) |
---|
| 497 | { |
---|
| 498 | for (j = firstrow; j <= lastrow; j++) |
---|
| 499 | { |
---|
| 500 | psibipriv = psibipriv + 0.5 * t2a[j][0]; |
---|
| 501 | } |
---|
| 502 | } |
---|
| 503 | if (gps[procid]->neighbors[RIGHT] == -1) |
---|
| 504 | { |
---|
| 505 | for (j = firstrow; j <= lastrow; j++) |
---|
| 506 | { |
---|
| 507 | psibipriv = psibipriv + 0.5 * t2a[j][jm - 1]; |
---|
| 508 | } |
---|
| 509 | } |
---|
| 510 | for (i = firstrow; i <= lastrow; i++) |
---|
| 511 | { |
---|
| 512 | t1a = (double *) t2a[i]; |
---|
| 513 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
---|
| 514 | { |
---|
| 515 | psibipriv = psibipriv + t1a[iindex]; |
---|
| 516 | } |
---|
| 517 | } |
---|
| 518 | |
---|
| 519 | /* update the shared variable psibi by summing all the psibiprivs |
---|
| 520 | of the individual processes into it. note that this combined |
---|
| 521 | private and shared sum method avoids accessing the shared |
---|
| 522 | variable psibi once for every element of the matrix. */ |
---|
| 523 | |
---|
| 524 | sqt_lock_acquire( &psibi_lock ); |
---|
| 525 | global->psibi = global->psibi + psibipriv; |
---|
| 526 | sqt_lock_release( &psibi_lock ); |
---|
| 527 | |
---|
| 528 | /* initialize psim matrices |
---|
| 529 | |
---|
| 530 | if there is more than one process, then split the processes |
---|
| 531 | between the two psim matrices; otherwise, let the single process |
---|
| 532 | work on one first and then the other */ |
---|
| 533 | |
---|
| 534 | for (psiindex = 0; psiindex <= 1; psiindex++) |
---|
| 535 | { |
---|
| 536 | t2a = (double **) psim[procid][psiindex]; |
---|
| 537 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 538 | { |
---|
| 539 | t2a[0][0] = 0.0; |
---|
| 540 | } |
---|
| 541 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 542 | { |
---|
| 543 | t2a[im - 1][0] = 0.0; |
---|
| 544 | } |
---|
| 545 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 546 | { |
---|
| 547 | t2a[0][jm - 1] = 0.0; |
---|
| 548 | } |
---|
| 549 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 550 | { |
---|
| 551 | t2a[im - 1][jm - 1] = 0.0; |
---|
| 552 | } |
---|
| 553 | if (gps[procid]->neighbors[UP] == -1) |
---|
| 554 | { |
---|
| 555 | t1a = (double *) t2a[0]; |
---|
| 556 | for (j = firstcol; j <= lastcol; j++) |
---|
| 557 | { |
---|
| 558 | t1a[j] = 0.0; |
---|
| 559 | } |
---|
| 560 | } |
---|
| 561 | if (gps[procid]->neighbors[DOWN] == -1) |
---|
| 562 | { |
---|
| 563 | t1a = (double *) t2a[im - 1]; |
---|
| 564 | for (j = firstcol; j <= lastcol; j++) |
---|
| 565 | { |
---|
| 566 | t1a[j] = 0.0; |
---|
| 567 | } |
---|
| 568 | } |
---|
| 569 | if (gps[procid]->neighbors[LEFT] == -1) |
---|
| 570 | { |
---|
| 571 | for (j = firstrow; j <= lastrow; j++) |
---|
| 572 | { |
---|
| 573 | t2a[j][0] = 0.0; |
---|
| 574 | } |
---|
| 575 | } |
---|
| 576 | if (gps[procid]->neighbors[RIGHT] == -1) |
---|
| 577 | { |
---|
| 578 | for (j = firstrow; j <= lastrow; j++) |
---|
| 579 | { |
---|
| 580 | t2a[j][jm - 1] = 0.0; |
---|
| 581 | } |
---|
| 582 | } |
---|
| 583 | for (i = firstrow; i <= lastrow; i++) |
---|
| 584 | { |
---|
| 585 | t1a = (double *) t2a[i]; |
---|
| 586 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
---|
| 587 | { |
---|
| 588 | t1a[iindex] = 0.0; |
---|
| 589 | } |
---|
| 590 | } |
---|
| 591 | } |
---|
| 592 | |
---|
| 593 | /* initialize psi matrices the same way */ |
---|
| 594 | |
---|
| 595 | for (psiindex = 0; psiindex <= 1; psiindex++) |
---|
| 596 | { |
---|
| 597 | t2a = (double **) psi[procid][psiindex]; |
---|
| 598 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 599 | { |
---|
| 600 | t2a[0][0] = 0.0; |
---|
| 601 | } |
---|
| 602 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 603 | { |
---|
| 604 | t2a[0][jm - 1] = 0.0; |
---|
| 605 | } |
---|
| 606 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 607 | { |
---|
| 608 | t2a[im - 1][0] = 0.0; |
---|
| 609 | } |
---|
| 610 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 611 | { |
---|
| 612 | t2a[im - 1][jm - 1] = 0.0; |
---|
| 613 | } |
---|
| 614 | if (gps[procid]->neighbors[UP] == -1) |
---|
| 615 | { |
---|
| 616 | t1a = (double *) t2a[0]; |
---|
| 617 | for (j = firstcol; j <= lastcol; j++) |
---|
| 618 | { |
---|
| 619 | t1a[j] = 0.0; |
---|
| 620 | } |
---|
| 621 | } |
---|
| 622 | if (gps[procid]->neighbors[DOWN] == -1) |
---|
| 623 | { |
---|
| 624 | t1a = (double *) t2a[im - 1]; |
---|
| 625 | for (j = firstcol; j <= lastcol; j++) |
---|
| 626 | { |
---|
| 627 | t1a[j] = 0.0; |
---|
| 628 | } |
---|
| 629 | } |
---|
| 630 | if (gps[procid]->neighbors[LEFT] == -1) |
---|
| 631 | { |
---|
| 632 | for (j = firstrow; j <= lastrow; j++) |
---|
| 633 | { |
---|
| 634 | t2a[j][0] = 0.0; |
---|
| 635 | } |
---|
| 636 | } |
---|
| 637 | if (gps[procid]->neighbors[RIGHT] == -1) |
---|
| 638 | { |
---|
| 639 | for (j = firstrow; j <= lastrow; j++) |
---|
| 640 | { |
---|
| 641 | t2a[j][jm - 1] = 0.0; |
---|
| 642 | } |
---|
| 643 | } |
---|
| 644 | for (i = firstrow; i <= lastrow; i++) |
---|
| 645 | { |
---|
| 646 | t1a = (double *) t2a[i]; |
---|
| 647 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
---|
| 648 | { |
---|
| 649 | t1a[iindex] = 0.0; |
---|
| 650 | } |
---|
| 651 | } |
---|
| 652 | } |
---|
| 653 | |
---|
| 654 | /* compute input curl of wind stress */ |
---|
| 655 | |
---|
| 656 | t2a = (double **) tauz[procid]; |
---|
| 657 | ysca1 = .5 * ysca; |
---|
| 658 | factor = -dt0 * pi / ysca1; |
---|
| 659 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 660 | { |
---|
| 661 | t2a[0][0] = 0.0; |
---|
| 662 | } |
---|
| 663 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 664 | { |
---|
| 665 | t2a[im - 1][0] = 0.0; |
---|
| 666 | } |
---|
| 667 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 668 | { |
---|
| 669 | sintemp = pi * ((double) jm - 1 + j_off) * res / ysca1; |
---|
| 670 | sintemp = sin(sintemp); |
---|
| 671 | t2a[0][jm - 1] = factor * sintemp; |
---|
| 672 | } |
---|
| 673 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 674 | { |
---|
| 675 | sintemp = pi * ((double) jm - 1 + j_off) * res / ysca1; |
---|
| 676 | sintemp = sin(sintemp); |
---|
| 677 | t2a[im - 1][jm - 1] = factor * sintemp; |
---|
| 678 | } |
---|
| 679 | if (gps[procid]->neighbors[UP] == -1) |
---|
| 680 | { |
---|
| 681 | t1a = (double *) t2a[0]; |
---|
| 682 | for (j = firstcol; j <= lastcol; j++) |
---|
| 683 | { |
---|
| 684 | sintemp = pi * ((double) j + j_off) * res / ysca1; |
---|
| 685 | sintemp = sin(sintemp); |
---|
| 686 | curlt = factor * sintemp; |
---|
| 687 | t1a[j] = curlt; |
---|
| 688 | } |
---|
| 689 | } |
---|
| 690 | if (gps[procid]->neighbors[DOWN] == -1) |
---|
| 691 | { |
---|
| 692 | t1a = (double *) t2a[im - 1]; |
---|
| 693 | for (j = firstcol; j <= lastcol; j++) |
---|
| 694 | { |
---|
| 695 | sintemp = pi * ((double) j + j_off) * res / ysca1; |
---|
| 696 | sintemp = sin(sintemp); |
---|
| 697 | curlt = factor * sintemp; |
---|
| 698 | t1a[j] = curlt; |
---|
| 699 | } |
---|
| 700 | } |
---|
| 701 | if (gps[procid]->neighbors[LEFT] == -1) |
---|
| 702 | { |
---|
| 703 | for (j = firstrow; j <= lastrow; j++) |
---|
| 704 | { |
---|
| 705 | t2a[j][0] = 0.0; |
---|
| 706 | } |
---|
| 707 | } |
---|
| 708 | if (gps[procid]->neighbors[RIGHT] == -1) |
---|
| 709 | { |
---|
| 710 | sintemp = pi * ((double) jm - 1 + j_off) * res / ysca1; |
---|
| 711 | sintemp = sin(sintemp); |
---|
| 712 | curlt = factor * sintemp; |
---|
| 713 | for (j = firstrow; j <= lastrow; j++) |
---|
| 714 | { |
---|
| 715 | t2a[j][jm - 1] = curlt; |
---|
| 716 | } |
---|
| 717 | } |
---|
| 718 | for (i = firstrow; i <= lastrow; i++) |
---|
| 719 | { |
---|
| 720 | t1a = (double *) t2a[i]; |
---|
| 721 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
---|
| 722 | { |
---|
| 723 | sintemp = pi * ((double) iindex + j_off) * res / ysca1; |
---|
| 724 | sintemp = sin(sintemp); |
---|
| 725 | curlt = factor * sintemp; |
---|
| 726 | t1a[iindex] = curlt; |
---|
| 727 | } |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | // BARRIER |
---|
| 731 | barrier_start = giet_proctime(); |
---|
| 732 | sqt_barrier_wait( &barrier ); |
---|
| 733 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
| 734 | |
---|
| 735 | if ( VERBOSE ) { printf("\n@@@ Thread %d pass fifth barrier in slave()\n", procid ); } |
---|
| 736 | |
---|
| 737 | /*************************************************************** |
---|
| 738 | one-time stuff over at this point |
---|
| 739 | ***************************************************************/ |
---|
| 740 | |
---|
| 741 | while (!endflag) |
---|
| 742 | { |
---|
| 743 | while ((!dayflag) || (!dhourflag)) |
---|
| 744 | { |
---|
| 745 | dayflag = 0; |
---|
| 746 | dhourflag = 0; |
---|
| 747 | |
---|
| 748 | if ( VERBOSE ) { printf("\n@@@ Thread %d call slave2() : step %d\n", procid, nstep ); } |
---|
| 749 | |
---|
| 750 | slave2(procid, firstrow, lastrow, numrows, firstcol, lastcol, numcols); |
---|
| 751 | |
---|
| 752 | /* update time and step number |
---|
| 753 | note that these time and step variables are private i.e. every |
---|
| 754 | process has its own copy and keeps track of its own time */ |
---|
| 755 | |
---|
| 756 | ttime = ttime + dtau; |
---|
| 757 | nstep = nstep + 1; |
---|
| 758 | day = ttime / 86400.0; |
---|
| 759 | |
---|
| 760 | if (day > ((double) outday0)) |
---|
| 761 | { |
---|
| 762 | dayflag = 1; |
---|
| 763 | iday = (long) day; |
---|
| 764 | dhour = dhour + dtau; |
---|
| 765 | if (dhour >= 86400.0) |
---|
| 766 | { |
---|
| 767 | dhourflag = 1; |
---|
| 768 | } |
---|
| 769 | } |
---|
| 770 | } // end while |
---|
| 771 | dhour = 0.0; |
---|
| 772 | |
---|
| 773 | t2a = (double **) psium[procid]; |
---|
| 774 | t2b = (double **) psim[procid][0]; |
---|
| 775 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 776 | { |
---|
| 777 | t2a[0][0] = t2a[0][0] + t2b[0][0]; |
---|
| 778 | } |
---|
| 779 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 780 | { |
---|
| 781 | t2a[im - 1][0] = t2a[im - 1][0] + t2b[im - 1][0]; |
---|
| 782 | } |
---|
| 783 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 784 | { |
---|
| 785 | t2a[0][jm - 1] = t2a[0][jm - 1] + t2b[0][jm - 1]; |
---|
| 786 | } |
---|
| 787 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 788 | { |
---|
| 789 | t2a[im - 1][jm - 1] = t2a[im - 1][jm - 1] + t2b[im - 1][jm - 1]; |
---|
| 790 | } |
---|
| 791 | if (gps[procid]->neighbors[UP] == -1) |
---|
| 792 | { |
---|
| 793 | t1a = (double *) t2a[0]; |
---|
| 794 | t1b = (double *) t2b[0]; |
---|
| 795 | for (j = firstcol; j <= lastcol; j++) |
---|
| 796 | { |
---|
| 797 | t1a[j] = t1a[j] + t1b[j]; |
---|
| 798 | } |
---|
| 799 | } |
---|
| 800 | if (gps[procid]->neighbors[DOWN] == -1) |
---|
| 801 | { |
---|
| 802 | t1a = (double *) t2a[im - 1]; |
---|
| 803 | t1b = (double *) t2b[im - 1]; |
---|
| 804 | for (j = firstcol; j <= lastcol; j++) |
---|
| 805 | { |
---|
| 806 | t1a[j] = t1a[j] + t1b[j]; |
---|
| 807 | } |
---|
| 808 | } |
---|
| 809 | if (gps[procid]->neighbors[LEFT] == -1) |
---|
| 810 | { |
---|
| 811 | for (j = firstrow; j <= lastrow; j++) |
---|
| 812 | { |
---|
| 813 | t2a[j][0] = t2a[j][0] + t2b[j][0]; |
---|
| 814 | } |
---|
| 815 | } |
---|
| 816 | if (gps[procid]->neighbors[RIGHT] == -1) |
---|
| 817 | { |
---|
| 818 | for (j = firstrow; j <= lastrow; j++) |
---|
| 819 | { |
---|
| 820 | t2a[j][jm - 1] = t2a[j][jm - 1] + t2b[j][jm - 1]; |
---|
| 821 | } |
---|
| 822 | } |
---|
| 823 | for (i = firstrow; i <= lastrow; i++) |
---|
| 824 | { |
---|
| 825 | t1a = (double *) t2a[i]; |
---|
| 826 | t1b = (double *) t2b[i]; |
---|
| 827 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
---|
| 828 | { |
---|
| 829 | t1a[iindex] = t1a[iindex] + t1b[iindex]; |
---|
| 830 | } |
---|
| 831 | } |
---|
| 832 | |
---|
| 833 | /* update values of psilm array to psilm + psim[2] */ |
---|
| 834 | |
---|
| 835 | t2a = (double **) psilm[procid]; |
---|
| 836 | t2b = (double **) psim[procid][1]; |
---|
| 837 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 838 | { |
---|
| 839 | t2a[0][0] = t2a[0][0] + t2b[0][0]; |
---|
| 840 | } |
---|
| 841 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
| 842 | { |
---|
| 843 | t2a[im - 1][0] = t2a[im - 1][0] + t2b[im - 1][0]; |
---|
| 844 | } |
---|
| 845 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 846 | { |
---|
| 847 | t2a[0][jm - 1] = t2a[0][jm - 1] + t2b[0][jm - 1]; |
---|
| 848 | } |
---|
| 849 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
| 850 | { |
---|
| 851 | t2a[im - 1][jm - 1] = t2a[im - 1][jm - 1] + t2b[im - 1][jm - 1]; |
---|
| 852 | } |
---|
| 853 | if (gps[procid]->neighbors[UP] == -1) |
---|
| 854 | { |
---|
| 855 | t1a = (double *) t2a[0]; |
---|
| 856 | t1b = (double *) t2b[0]; |
---|
| 857 | for (j = firstcol; j <= lastcol; j++) |
---|
| 858 | { |
---|
| 859 | t1a[j] = t1a[j] + t1b[j]; |
---|
| 860 | } |
---|
| 861 | } |
---|
| 862 | if (gps[procid]->neighbors[DOWN] == -1) |
---|
| 863 | { |
---|
| 864 | t1a = (double *) t2a[im - 1]; |
---|
| 865 | t1b = (double *) t2b[im - 1]; |
---|
| 866 | for (j = firstcol; j <= lastcol; j++) |
---|
| 867 | { |
---|
| 868 | t1a[j] = t1a[j] + t1b[j]; |
---|
| 869 | } |
---|
| 870 | } |
---|
| 871 | if (gps[procid]->neighbors[LEFT] == -1) |
---|
| 872 | { |
---|
| 873 | for (j = firstrow; j <= lastrow; j++) |
---|
| 874 | { |
---|
| 875 | t2a[j][0] = t2a[j][0] + t2b[j][0]; |
---|
| 876 | } |
---|
| 877 | } |
---|
| 878 | if (gps[procid]->neighbors[RIGHT] == -1) |
---|
| 879 | { |
---|
| 880 | for (j = firstrow; j <= lastrow; j++) |
---|
| 881 | { |
---|
| 882 | t2a[j][jm - 1] = t2a[j][jm - 1] + t2b[j][jm - 1]; |
---|
| 883 | } |
---|
| 884 | } |
---|
| 885 | for (i = firstrow; i <= lastrow; i++) |
---|
| 886 | { |
---|
| 887 | t1a = (double *) t2a[i]; |
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| 888 | t1b = (double *) t2b[i]; |
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| 889 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
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| 890 | { |
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| 891 | t1a[iindex] = t1a[iindex] + t1b[iindex]; |
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| 892 | } |
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| 893 | } |
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| 894 | if (iday >= (long) outday3) |
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| 895 | { |
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| 896 | endflag = 1; |
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| 897 | } |
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| 898 | } // end while endflag |
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| 899 | |
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| 900 | gps[procid]->total_time = giet_proctime() - (gps[procid]->total_time); |
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| 901 | |
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| 902 | if ( procid != MASTER ) giet_pthread_exit("slave completed"); |
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| 903 | |
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| 904 | } // end slave() |
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