[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 slave2 |
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| 19 | **************** */ |
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| 20 | |
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| 21 | #include <user_barrier.h> |
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| 22 | #include <user_lock.h> |
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| 23 | #include <math.h> |
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| 24 | #include <stdio.h> |
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| 25 | |
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| 26 | #include "decs.h" |
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| 27 | |
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| 28 | /////////////////////////// |
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| 29 | void slave2(long procid, |
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| 30 | long firstrow, |
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| 31 | long lastrow, |
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| 32 | long numrows, |
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| 33 | long firstcol, |
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| 34 | long lastcol, |
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| 35 | long numcols) |
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| 36 | { |
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| 37 | long i; |
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| 38 | long j; |
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| 39 | long iindex; |
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| 40 | double hh1; |
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| 41 | double hh3; |
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| 42 | double hinv; |
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| 43 | double h1inv; |
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| 44 | long istart; |
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| 45 | long iend; |
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| 46 | long jstart; |
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| 47 | long jend; |
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| 48 | long ist; |
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| 49 | long ien; |
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| 50 | long jst; |
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| 51 | long jen; |
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| 52 | double ressqr; |
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| 53 | double psiaipriv; |
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| 54 | double f4; |
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| 55 | double timst; |
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| 56 | long psiindex; |
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| 57 | long i_off; |
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| 58 | long j_off; |
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| 59 | long multi_start = 0; |
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| 60 | double ** t2a; |
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| 61 | double ** t2b; |
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| 62 | double ** t2c; |
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| 63 | double ** t2d; |
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| 64 | double ** t2e; |
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| 65 | double ** t2f; |
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| 66 | double ** t2g; |
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| 67 | double ** t2h; |
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| 68 | double * t1a; |
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| 69 | double * t1b; |
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| 70 | double * t1c; |
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| 71 | double * t1d; |
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| 72 | double * t1e; |
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| 73 | double * t1f; |
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| 74 | double * t1g; |
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| 75 | double * t1h; |
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| 76 | long barrier_start; |
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| 77 | long step_start; |
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| 78 | |
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| 79 | ressqr = lev_res[numlev - 1] * lev_res[numlev - 1]; |
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| 80 | i_off = (gps[procid]->rownum) * numrows; |
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| 81 | j_off = (gps[procid]->colnum) * numcols; |
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| 82 | |
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| 83 | |
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| 84 | /* *************************************************************** |
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| 85 | f i r s t p h a s e (of timestep calculation) |
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| 86 | ***************************************************************/ |
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| 87 | |
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| 88 | // BEGIN |
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| 89 | step_start = giet_proctime(); |
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| 90 | |
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| 91 | t2a = (double **) ga[procid]; |
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| 92 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 93 | { |
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| 94 | t2a[0][0] = 0.0; |
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| 95 | } |
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| 96 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 97 | { |
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| 98 | t2a[im - 1][0] = 0.0; |
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| 99 | } |
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| 100 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 101 | { |
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| 102 | t2a[0][jm - 1] = 0.0; |
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| 103 | } |
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| 104 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 105 | { |
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| 106 | t2a[im - 1][jm - 1] = 0.0; |
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| 107 | } |
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| 108 | if (gps[procid]->neighbors[UP] == -1) |
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| 109 | { |
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| 110 | t1a = (double *) t2a[0]; |
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| 111 | for (j = firstcol; j <= lastcol; j++) |
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| 112 | { |
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| 113 | t1a[j] = 0.0; |
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| 114 | } |
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| 115 | } |
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| 116 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 117 | { |
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| 118 | t1a = (double *) t2a[im - 1]; |
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| 119 | for (j = firstcol; j <= lastcol; j++) |
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| 120 | { |
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| 121 | t1a[j] = 0.0; |
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| 122 | } |
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| 123 | } |
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| 124 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 125 | { |
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| 126 | for (j = firstrow; j <= lastrow; j++) |
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| 127 | { |
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| 128 | t2a[j][0] = 0.0; |
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| 129 | } |
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| 130 | } |
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| 131 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 132 | { |
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| 133 | for (j = firstrow; j <= lastrow; j++) |
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| 134 | { |
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| 135 | t2a[j][jm - 1] = 0.0; |
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| 136 | } |
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| 137 | } |
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| 138 | for (i = firstrow; i <= lastrow; i++) |
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| 139 | { |
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| 140 | t1a = (double *) t2a[i]; |
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| 141 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
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| 142 | { |
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| 143 | t1a[iindex] = 0.0; |
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| 144 | } |
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| 145 | } |
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| 146 | |
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| 147 | t2a = (double **) gb[procid]; |
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| 148 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 149 | { |
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| 150 | t2a[0][0] = 0.0; |
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| 151 | } |
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| 152 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 153 | { |
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| 154 | t2a[im - 1][0] = 0.0; |
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| 155 | } |
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| 156 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 157 | { |
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| 158 | t2a[0][jm - 1] = 0.0; |
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| 159 | } |
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| 160 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 161 | { |
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| 162 | t2a[im - 1][jm - 1] = 0.0; |
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| 163 | } |
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| 164 | if (gps[procid]->neighbors[UP] == -1) |
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| 165 | { |
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| 166 | t1a = (double *) t2a[0]; |
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| 167 | for (j = firstcol; j <= lastcol; j++) |
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| 168 | { |
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| 169 | t1a[j] = 0.0; |
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| 170 | } |
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| 171 | } |
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| 172 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 173 | { |
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| 174 | t1a = (double *) t2a[im - 1]; |
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| 175 | for (j = firstcol; j <= lastcol; j++) |
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| 176 | { |
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| 177 | t1a[j] = 0.0; |
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| 178 | } |
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| 179 | } |
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| 180 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 181 | { |
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| 182 | for (j = firstrow; j <= lastrow; j++) |
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| 183 | { |
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| 184 | t2a[j][0] = 0.0; |
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| 185 | } |
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| 186 | } |
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| 187 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 188 | { |
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| 189 | for (j = firstrow; j <= lastrow; j++) |
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| 190 | { |
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| 191 | t2a[j][jm - 1] = 0.0; |
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| 192 | } |
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| 193 | } |
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| 194 | for (i = firstrow; i <= lastrow; i++) |
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| 195 | { |
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| 196 | t1a = (double *) t2a[i]; |
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| 197 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
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| 198 | { |
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| 199 | t1a[iindex] = 0.0; |
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| 200 | } |
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| 201 | } |
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| 202 | |
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| 203 | /* put the laplacian of psi{1,3} in work1{1,2} |
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| 204 | note that psi(i,j,2) represents the psi3 array in |
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| 205 | the original equations */ |
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| 206 | |
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| 207 | for (psiindex = 0; psiindex <= 1; psiindex++) |
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| 208 | { |
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| 209 | t2a = (double **) work1[procid][psiindex]; |
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| 210 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 211 | { |
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| 212 | t2a[0][0] = 0; |
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| 213 | } |
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| 214 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 215 | { |
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| 216 | t2a[im - 1][0] = 0; |
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| 217 | } |
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| 218 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 219 | { |
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| 220 | t2a[0][jm - 1] = 0; |
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| 221 | } |
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| 222 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 223 | { |
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| 224 | t2a[im - 1][jm - 1] = 0; |
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| 225 | } |
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| 226 | |
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| 227 | laplacalc(procid, psi, work1, psiindex, firstrow, lastrow, firstcol, lastcol); |
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| 228 | } |
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| 229 | |
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| 230 | /* set values of work2 array to psi1 - psi3 */ |
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| 231 | |
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| 232 | t2a = (double **) work2[procid]; |
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| 233 | t2b = (double **) psi[procid][0]; |
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| 234 | t2c = (double **) psi[procid][1]; |
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| 235 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
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| 236 | t2a[0][0] = t2b[0][0] - t2c[0][0]; |
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| 237 | } |
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| 238 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
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| 239 | t2a[im - 1][0] = t2b[im - 1][0] - t2c[im - 1][0]; |
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| 240 | } |
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| 241 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
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| 242 | t2a[0][jm - 1] = t2b[0][jm - 1] - t2c[0][jm - 1]; |
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| 243 | } |
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| 244 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
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| 245 | t2a[im - 1][jm - 1] = t2b[im - 1][jm - 1] - t2c[im - 1][jm - 1]; |
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| 246 | } |
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| 247 | if (gps[procid]->neighbors[UP] == -1) { |
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| 248 | t1a = (double *) t2a[0]; |
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| 249 | t1b = (double *) t2b[0]; |
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| 250 | t1c = (double *) t2c[0]; |
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| 251 | for (j = firstcol; j <= lastcol; j++) { |
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| 252 | t1a[j] = t1b[j] - t1c[j]; |
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| 253 | } |
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| 254 | } |
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| 255 | if (gps[procid]->neighbors[DOWN] == -1) { |
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| 256 | t1a = (double *) t2a[im - 1]; |
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| 257 | t1b = (double *) t2b[im - 1]; |
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| 258 | t1c = (double *) t2c[im - 1]; |
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| 259 | for (j = firstcol; j <= lastcol; j++) { |
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| 260 | t1a[j] = t1b[j] - t1c[j]; |
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| 261 | } |
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| 262 | } |
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| 263 | if (gps[procid]->neighbors[LEFT] == -1) { |
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| 264 | for (j = firstrow; j <= lastrow; j++) { |
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| 265 | t2a[j][0] = t2b[j][0] - t2c[j][0]; |
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| 266 | } |
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| 267 | } |
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| 268 | if (gps[procid]->neighbors[RIGHT] == -1) { |
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| 269 | for (j = firstrow; j <= lastrow; j++) { |
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| 270 | t2a[j][jm - 1] = t2b[j][jm - 1] - t2c[j][jm - 1]; |
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| 271 | } |
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| 272 | } |
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| 273 | for (i = firstrow; i <= lastrow; i++) { |
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| 274 | t1a = (double *) t2a[i]; |
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| 275 | t1b = (double *) t2b[i]; |
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| 276 | t1c = (double *) t2c[i]; |
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| 277 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
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| 278 | t1a[iindex] = t1b[iindex] - t1c[iindex]; |
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| 279 | } |
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| 280 | } |
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| 281 | |
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| 282 | /* set values of work3 array to h3/h * psi1 + h1/h * psi3 */ |
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| 283 | |
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| 284 | t2a = (double **) work3[procid]; |
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| 285 | hh3 = h3 / h; |
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| 286 | hh1 = h1 / h; |
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| 287 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
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| 288 | t2a[0][0] = hh3 * t2a[0][0] + hh1 * t2c[0][0]; |
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| 289 | } |
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| 290 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
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| 291 | t2a[im - 1][0] = hh3 * t2a[im - 1][0] + hh1 * t2c[im - 1][0]; |
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| 292 | } |
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| 293 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
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| 294 | t2a[0][jm - 1] = hh3 * t2a[0][jm - 1] + hh1 * t2c[0][jm - 1]; |
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| 295 | } |
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| 296 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
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| 297 | t2a[im - 1][jm - 1] = hh3 * t2a[im - 1][jm - 1] + hh1 * t2c[im - 1][jm - 1]; |
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| 298 | } |
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| 299 | if (gps[procid]->neighbors[UP] == -1) { |
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| 300 | for (j = firstcol; j <= lastcol; j++) { |
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| 301 | t2a[0][j] = hh3 * t2a[0][j] + hh1 * t2c[0][j]; |
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| 302 | } |
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| 303 | } |
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| 304 | if (gps[procid]->neighbors[DOWN] == -1) { |
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| 305 | for (j = firstcol; j <= lastcol; j++) { |
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| 306 | t2a[im - 1][j] = hh3 * t2a[im - 1][j] + hh1 * t2c[im - 1][j]; |
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| 307 | } |
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| 308 | } |
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| 309 | if (gps[procid]->neighbors[LEFT] == -1) { |
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| 310 | for (j = firstrow; j <= lastrow; j++) { |
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| 311 | t2a[j][0] = hh3 * t2a[j][0] + hh1 * t2c[j][0]; |
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| 312 | } |
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| 313 | } |
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| 314 | if (gps[procid]->neighbors[RIGHT] == -1) { |
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| 315 | for (j = firstrow; j <= lastrow; j++) { |
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| 316 | t2a[j][jm - 1] = hh3 * t2a[j][jm - 1] + hh1 * t2c[j][jm - 1]; |
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| 317 | } |
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| 318 | } |
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| 319 | for (i = firstrow; i <= lastrow; i++) { |
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| 320 | t1a = (double *) t2a[i]; |
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| 321 | t1c = (double *) t2c[i]; |
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| 322 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
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| 323 | t1a[iindex] = hh3 * t1a[iindex] + hh1 * t1c[iindex]; |
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| 324 | } |
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| 325 | } |
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| 326 | |
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| 327 | /* set values of temparray{1,3} to psi{1,3} */ |
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| 328 | |
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| 329 | for (psiindex = 0; psiindex <= 1; psiindex++) { |
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| 330 | t2a = (double **) temparray[procid][psiindex]; |
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| 331 | t2b = (double **) psi[procid][psiindex]; |
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| 332 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
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| 333 | t2a[0][0] = t2b[0][0]; |
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| 334 | } |
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| 335 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
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| 336 | t2a[im - 1][0] = t2b[im - 1][0]; |
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| 337 | } |
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| 338 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
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| 339 | t2a[0][jm - 1] = t2b[0][jm - 1]; |
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| 340 | } |
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| 341 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
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| 342 | t2a[im - 1][jm - 1] = t2b[im - 1][jm - 1]; |
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| 343 | } |
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| 344 | if (gps[procid]->neighbors[UP] == -1) { |
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| 345 | for (j = firstcol; j <= lastcol; j++) { |
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| 346 | t2a[0][j] = t2b[0][j]; |
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| 347 | } |
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| 348 | } |
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| 349 | if (gps[procid]->neighbors[DOWN] == -1) { |
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| 350 | for (j = firstcol; j <= lastcol; j++) { |
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| 351 | t2a[im - 1][j] = t2b[im - 1][j]; |
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| 352 | } |
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| 353 | } |
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| 354 | if (gps[procid]->neighbors[LEFT] == -1) { |
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| 355 | for (j = firstrow; j <= lastrow; j++) { |
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| 356 | t2a[j][0] = t2b[j][0]; |
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| 357 | } |
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| 358 | } |
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| 359 | if (gps[procid]->neighbors[RIGHT] == -1) { |
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| 360 | for (j = firstrow; j <= lastrow; j++) { |
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| 361 | t2a[j][jm - 1] = t2b[j][jm - 1]; |
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| 362 | } |
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| 363 | } |
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| 364 | |
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| 365 | for (i = firstrow; i <= lastrow; i++) { |
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| 366 | t1a = (double *) t2a[i]; |
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| 367 | t1b = (double *) t2b[i]; |
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| 368 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
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| 369 | t1a[iindex] = t1b[iindex]; |
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| 370 | } |
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| 371 | } |
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| 372 | } |
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| 373 | |
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| 374 | // END |
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| 375 | gps[procid]->steps_time[0] = giet_proctime() - step_start; |
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| 376 | |
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| 377 | // BARRIER |
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| 378 | barrier_start = giet_proctime(); |
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| 379 | sqt_barrier_wait( &barrier ); |
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| 380 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
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| 381 | |
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| 382 | /* ******************************************************* |
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| 383 | s e c o n d p h a s e |
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| 384 | ******************************************************* |
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| 385 | |
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| 386 | set values of psi{1,3} to psim{1,3} */ |
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| 387 | |
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| 388 | // BEGIN |
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| 389 | step_start = giet_proctime(); |
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| 390 | |
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| 391 | for (psiindex = 0; psiindex <= 1; psiindex++) { |
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| 392 | t2a = (double **) psi[procid][psiindex]; |
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| 393 | t2b = (double **) psim[procid][psiindex]; |
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| 394 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
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| 395 | t2a[0][0] = t2b[0][0]; |
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| 396 | } |
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| 397 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
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| 398 | t2a[0][jm - 1] = t2b[0][jm - 1]; |
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| 399 | } |
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| 400 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
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| 401 | t2a[im - 1][0] = t2b[im - 1][0]; |
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| 402 | } |
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| 403 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
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| 404 | t2a[im - 1][jm - 1] = t2b[im - 1][jm - 1]; |
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| 405 | } |
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| 406 | if (gps[procid]->neighbors[UP] == -1) { |
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| 407 | for (j = firstcol; j <= lastcol; j++) { |
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| 408 | t2a[0][j] = t2b[0][j]; |
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| 409 | } |
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| 410 | } |
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| 411 | if (gps[procid]->neighbors[DOWN] == -1) { |
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| 412 | for (j = firstcol; j <= lastcol; j++) { |
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| 413 | t2a[im - 1][j] = t2b[im - 1][j]; |
---|
| 414 | } |
---|
| 415 | } |
---|
| 416 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 417 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 418 | t2a[j][0] = t2b[j][0]; |
---|
| 419 | } |
---|
| 420 | } |
---|
| 421 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 422 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 423 | t2a[j][jm - 1] = t2b[j][jm - 1]; |
---|
| 424 | } |
---|
| 425 | } |
---|
| 426 | |
---|
| 427 | for (i = firstrow; i <= lastrow; i++) { |
---|
| 428 | t1a = (double *) t2a[i]; |
---|
| 429 | t1b = (double *) t2b[i]; |
---|
| 430 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
---|
| 431 | t1a[iindex] = t1b[iindex]; |
---|
| 432 | } |
---|
| 433 | } |
---|
| 434 | } |
---|
| 435 | |
---|
| 436 | /* put the laplacian of the psim array |
---|
| 437 | into the work7 array; first part of a three-laplacian |
---|
| 438 | calculation to compute the friction terms */ |
---|
| 439 | |
---|
| 440 | for (psiindex = 0; psiindex <= 1; psiindex++) { |
---|
| 441 | t2a = (double **) work7[procid][psiindex]; |
---|
| 442 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 443 | t2a[0][0] = 0; |
---|
| 444 | } |
---|
| 445 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 446 | t2a[im - 1][0] = 0; |
---|
| 447 | } |
---|
| 448 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 449 | t2a[0][jm - 1] = 0; |
---|
| 450 | } |
---|
| 451 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 452 | t2a[im - 1][jm - 1] = 0; |
---|
| 453 | } |
---|
| 454 | laplacalc(procid, psim, work7, psiindex, firstrow, lastrow, firstcol, lastcol); |
---|
| 455 | } |
---|
| 456 | |
---|
| 457 | /* to the values of the work1{1,2} arrays obtained from the |
---|
| 458 | laplacians of psi{1,2} in the previous phase, add to the |
---|
| 459 | elements of every column the corresponding value in the |
---|
| 460 | one-dimenional f array */ |
---|
| 461 | |
---|
| 462 | for (psiindex = 0; psiindex <= 1; psiindex++) { |
---|
| 463 | t2a = (double **) work1[procid][psiindex]; |
---|
| 464 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 465 | t2a[0][0] = t2a[0][0] + f[0]; |
---|
| 466 | } |
---|
| 467 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 468 | t2a[im - 1][0] = t2a[im - 1][0] + f[0]; |
---|
| 469 | } |
---|
| 470 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 471 | t2a[0][jm - 1] = t2a[0][jm - 1] + f[jmx[numlev - 1] - 1]; |
---|
| 472 | } |
---|
| 473 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 474 | t2a[im - 1][jm - 1] = t2a[im - 1][jm - 1] + f[jmx[numlev - 1] - 1]; |
---|
| 475 | } |
---|
| 476 | if (gps[procid]->neighbors[UP] == -1) { |
---|
| 477 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 478 | t2a[0][j] = t2a[0][j] + f[j + j_off]; |
---|
| 479 | } |
---|
| 480 | } |
---|
| 481 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 482 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 483 | t2a[im - 1][j] = t2a[im - 1][j] + f[j + j_off]; |
---|
| 484 | } |
---|
| 485 | } |
---|
| 486 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 487 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 488 | t2a[j][0] = t2a[j][0] + f[j + i_off]; |
---|
| 489 | } |
---|
| 490 | } |
---|
| 491 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 492 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 493 | t2a[j][jm - 1] = t2a[j][jm - 1] + f[j + i_off]; |
---|
| 494 | } |
---|
| 495 | } |
---|
| 496 | for (i = firstrow; i <= lastrow; i++) { |
---|
| 497 | t1a = (double *) t2a[i]; |
---|
| 498 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
---|
| 499 | t1a[iindex] = t1a[iindex] + f[iindex + j_off]; |
---|
| 500 | } |
---|
| 501 | } |
---|
| 502 | } |
---|
| 503 | |
---|
| 504 | // END |
---|
| 505 | gps[procid]->steps_time[1] = giet_proctime() - step_start; |
---|
| 506 | |
---|
| 507 | barrier_start = giet_proctime(); |
---|
| 508 | sqt_barrier_wait( &barrier ); |
---|
| 509 | gps[procid]->sync_time += giet_proctime() - barrier_start; |
---|
| 510 | |
---|
| 511 | /* ******************************************************* |
---|
| 512 | t h i r d p h a s e |
---|
| 513 | ******************************************************* |
---|
| 514 | |
---|
| 515 | put the jacobian of the work1{1,2} and psi{1,3} arrays |
---|
| 516 | (the latter currently in temparray) in the work5{1,2} arrays */ |
---|
| 517 | |
---|
| 518 | // BEGIN |
---|
| 519 | step_start = giet_proctime(); |
---|
| 520 | |
---|
| 521 | for (psiindex = 0; psiindex <= 1; psiindex++) |
---|
| 522 | { |
---|
| 523 | jacobcalc2( work1, |
---|
| 524 | temparray, |
---|
| 525 | work5, |
---|
| 526 | psiindex, |
---|
| 527 | procid, |
---|
| 528 | firstrow, |
---|
| 529 | lastrow, |
---|
| 530 | firstcol, |
---|
| 531 | lastcol ); |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | /* set values of psim{1,3} to temparray{1,3} */ |
---|
| 535 | |
---|
| 536 | for (psiindex = 0; psiindex <= 1; psiindex++) { |
---|
| 537 | t2a = (double **) psim[procid][psiindex]; |
---|
| 538 | t2b = (double **) temparray[procid][psiindex]; |
---|
| 539 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 540 | t2a[0][0] = t2b[0][0]; |
---|
| 541 | } |
---|
| 542 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 543 | t2a[im - 1][0] = t2b[im - 1][0]; |
---|
| 544 | } |
---|
| 545 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 546 | t2a[0][jm - 1] = t2b[0][jm - 1]; |
---|
| 547 | } |
---|
| 548 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 549 | t2a[im - 1][jm - 1] = t2b[im - 1][jm - 1]; |
---|
| 550 | } |
---|
| 551 | if (gps[procid]->neighbors[UP] == -1) { |
---|
| 552 | t1a = (double *) t2a[0]; |
---|
| 553 | t1b = (double *) t2b[0]; |
---|
| 554 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 555 | t1a[j] = t1b[j]; |
---|
| 556 | } |
---|
| 557 | } |
---|
| 558 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 559 | t1a = (double *) t2a[im - 1]; |
---|
| 560 | t1b = (double *) t2b[im - 1]; |
---|
| 561 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 562 | t1a[j] = t1b[j]; |
---|
| 563 | } |
---|
| 564 | } |
---|
| 565 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 566 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 567 | t2a[j][0] = t2b[j][0]; |
---|
| 568 | } |
---|
| 569 | } |
---|
| 570 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 571 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 572 | t2a[j][jm - 1] = t2b[j][jm - 1]; |
---|
| 573 | } |
---|
| 574 | } |
---|
| 575 | for (i = firstrow; i <= lastrow; i++) { |
---|
| 576 | t1a = (double *) t2a[i]; |
---|
| 577 | t1b = (double *) t2b[i]; |
---|
| 578 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
---|
| 579 | t1a[iindex] = t1b[iindex]; |
---|
| 580 | } |
---|
| 581 | } |
---|
| 582 | } |
---|
| 583 | |
---|
| 584 | /* put the laplacian of the work7{1,2} arrays in the work4{1,2} |
---|
| 585 | arrays; second step in the three-laplacian friction calculation */ |
---|
| 586 | |
---|
| 587 | for (psiindex = 0; psiindex <= 1; psiindex++) |
---|
| 588 | { |
---|
| 589 | laplacalc(procid, work7, work4, psiindex, firstrow, lastrow, firstcol, lastcol); |
---|
| 590 | } |
---|
| 591 | |
---|
| 592 | // END |
---|
| 593 | gps[procid]->steps_time[2] = giet_proctime() - step_start; |
---|
| 594 | |
---|
| 595 | // BARRIER |
---|
| 596 | barrier_start = giet_proctime(); |
---|
| 597 | sqt_barrier_wait( &barrier ); |
---|
| 598 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
| 599 | |
---|
| 600 | /* ******************************************************* |
---|
| 601 | f o u r t h p h a s e |
---|
| 602 | ******************************************************* |
---|
| 603 | |
---|
| 604 | put the jacobian of the work2 and work3 arrays in the work6 |
---|
| 605 | array */ |
---|
| 606 | |
---|
| 607 | // BEGIN |
---|
| 608 | step_start = giet_proctime(); |
---|
| 609 | |
---|
| 610 | jacobcalc(work2, work3, work6, procid, firstrow, lastrow, firstcol, lastcol); |
---|
| 611 | |
---|
| 612 | /* put the laplacian of the work4{1,2} arrays in the work7{1,2} |
---|
| 613 | arrays; third step in the three-laplacian friction calculation */ |
---|
| 614 | |
---|
| 615 | for (psiindex = 0; psiindex <= 1; psiindex++) { |
---|
| 616 | laplacalc(procid, work4, work7, psiindex, firstrow, lastrow, firstcol, lastcol); |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | // END |
---|
| 620 | gps[procid]->steps_time[3] = giet_proctime() - step_start; |
---|
| 621 | |
---|
| 622 | // BARRIER |
---|
| 623 | barrier_start = giet_proctime(); |
---|
| 624 | sqt_barrier_wait( &barrier ); |
---|
| 625 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
| 626 | |
---|
| 627 | /* ******************************************************* |
---|
| 628 | f i f t h p h a s e |
---|
| 629 | ******************************************************* |
---|
| 630 | |
---|
| 631 | use the values of the work5, work6 and work7 arrays |
---|
| 632 | computed in the previous time-steps to compute the |
---|
| 633 | ga and gb arrays */ |
---|
| 634 | |
---|
| 635 | // BEGIN |
---|
| 636 | step_start = giet_proctime(); |
---|
| 637 | |
---|
| 638 | hinv = 1.0 / h; |
---|
| 639 | h1inv = 1.0 / h1; |
---|
| 640 | |
---|
| 641 | t2a = (double **) ga[procid]; |
---|
| 642 | t2b = (double **) gb[procid]; |
---|
| 643 | t2c = (double **) work5[procid][0]; |
---|
| 644 | t2d = (double **) work5[procid][1]; |
---|
| 645 | t2e = (double **) work7[procid][0]; |
---|
| 646 | t2f = (double **) work7[procid][1]; |
---|
| 647 | t2g = (double **) work6[procid]; |
---|
| 648 | t2h = (double **) tauz[procid]; |
---|
| 649 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 650 | t2a[0][0] = t2c[0][0] - t2d[0][0] + eig2 * t2g[0][0] + h1inv * t2h[0][0] + lf * t2e[0][0] - lf * t2f[0][0]; |
---|
| 651 | t2b[0][0] = hh1 * t2c[0][0] + hh3 * t2d[0][0] + hinv * t2h[0][0] + lf * hh1 * t2e[0][0] + lf * hh3 * t2f[0][0]; |
---|
| 652 | } |
---|
| 653 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 654 | t2a[im - 1][0] = t2c[im - 1][0] - t2d[im - 1][0] + eig2 * t2g[im - 1][0] + h1inv * t2h[im - 1][0] + lf * t2e[im - 1][0] - lf * t2f[im - 1][0]; |
---|
| 655 | t2b[im - 1][0] = hh1 * t2c[im - 1][0] + hh3 * t2d[im - 1][0] + hinv * t2h[im - 1][0] + lf * hh1 * t2e[im - 1][0] + lf * hh3 * t2f[im - 1][0]; |
---|
| 656 | } |
---|
| 657 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 658 | t2a[0][jm - 1] = t2c[0][jm - 1] - t2d[0][jm - 1] + eig2 * t2g[0][jm - 1] + h1inv * t2h[0][jm - 1] + lf * t2e[0][jm - 1] - lf * t2f[0][jm - 1]; |
---|
| 659 | t2b[0][jm - 1] = hh1 * t2c[0][jm - 1] + hh3 * t2d[0][jm - 1] + hinv * t2h[0][jm - 1] + lf * hh1 * t2e[0][jm - 1] + lf * hh3 * t2f[0][jm - 1]; |
---|
| 660 | } |
---|
| 661 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 662 | t2a[im - 1][jm - 1] = t2c[im - 1][jm - 1] - t2d[im - 1][jm - 1] + eig2 * t2g[im - 1][jm - 1] + h1inv * t2h[im - 1][jm - 1] + lf * t2e[im - 1][jm - 1] - lf * t2f[im - 1][jm - 1]; |
---|
| 663 | t2b[im - 1][jm - 1] = hh1 * t2c[im - 1][jm - 1] + hh3 * t2d[im - 1][jm - 1] + hinv * t2h[im - 1][jm - 1] + lf * hh1 * t2e[im - 1][jm - 1] + lf * hh3 * t2f[im - 1][jm - 1]; |
---|
| 664 | } |
---|
| 665 | if (gps[procid]->neighbors[UP] == -1) |
---|
| 666 | { |
---|
| 667 | t1a = (double *) t2a[0]; |
---|
| 668 | t1b = (double *) t2b[0]; |
---|
| 669 | t1c = (double *) t2c[0]; |
---|
| 670 | t1d = (double *) t2d[0]; |
---|
| 671 | t1e = (double *) t2e[0]; |
---|
| 672 | t1f = (double *) t2f[0]; |
---|
| 673 | t1g = (double *) t2g[0]; |
---|
| 674 | t1h = (double *) t2h[0]; |
---|
| 675 | for (j = firstcol; j <= lastcol; j++) |
---|
| 676 | { |
---|
| 677 | t1a[j] = t1c[j] - t1d[j] + eig2 * t1g[j] + h1inv * t1h[j] + lf * t1e[j] - lf * t1f[j]; |
---|
| 678 | t1b[j] = hh1 * t1c[j] + hh3 * t1d[j] + hinv * t1h[j] + lf * hh1 * t1e[j] + lf * hh3 * t1f[j]; |
---|
| 679 | } |
---|
| 680 | } |
---|
| 681 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 682 | t1a = (double *) t2a[im - 1]; |
---|
| 683 | t1b = (double *) t2b[im - 1]; |
---|
| 684 | t1c = (double *) t2c[im - 1]; |
---|
| 685 | t1d = (double *) t2d[im - 1]; |
---|
| 686 | t1e = (double *) t2e[im - 1]; |
---|
| 687 | t1f = (double *) t2f[im - 1]; |
---|
| 688 | t1g = (double *) t2g[im - 1]; |
---|
| 689 | t1h = (double *) t2h[im - 1]; |
---|
| 690 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 691 | t1a[j] = t1c[j] - t1d[j] + eig2 * t1g[j] + h1inv * t1h[j] + lf * t1e[j] - lf * t1f[j]; |
---|
| 692 | t1b[j] = hh1 * t1c[j] + hh3 * t1d[j] + hinv * t1h[j] + lf * hh1 * t1e[j] + lf * hh3 * t1f[j]; |
---|
| 693 | } |
---|
| 694 | } |
---|
| 695 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 696 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 697 | t2a[j][0] = t2c[j][0] - t2d[j][0] + eig2 * t2g[j][0] + h1inv * t2h[j][0] + lf * t2e[j][0] - lf * t2f[j][0]; |
---|
| 698 | t2b[j][0] = hh1 * t2c[j][0] + hh3 * t2d[j][0] + hinv * t2h[j][0] + lf * hh1 * t2e[j][0] + lf * hh3 * t2f[j][0]; |
---|
| 699 | } |
---|
| 700 | } |
---|
| 701 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 702 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 703 | t2a[j][jm - 1] = t2c[j][jm - 1] - t2d[j][jm - 1] + eig2 * t2g[j][jm - 1] + h1inv * t2h[j][jm - 1] + lf * t2e[j][jm - 1] - lf * t2f[j][jm - 1]; |
---|
| 704 | t2b[j][jm - 1] = hh1 * t2c[j][jm - 1] + hh3 * t2d[j][jm - 1] + hinv * t2h[j][jm - 1] + lf * hh1 * t2e[j][jm - 1] + lf * hh3 * t2f[j][jm - 1]; |
---|
| 705 | } |
---|
| 706 | } |
---|
| 707 | |
---|
| 708 | for (i = firstrow; i <= lastrow; i++) { |
---|
| 709 | t1a = (double *) t2a[i]; |
---|
| 710 | t1b = (double *) t2b[i]; |
---|
| 711 | t1c = (double *) t2c[i]; |
---|
| 712 | t1d = (double *) t2d[i]; |
---|
| 713 | t1e = (double *) t2e[i]; |
---|
| 714 | t1f = (double *) t2f[i]; |
---|
| 715 | t1g = (double *) t2g[i]; |
---|
| 716 | t1h = (double *) t2h[i]; |
---|
| 717 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
---|
| 718 | t1a[iindex] = t1c[iindex] - t1d[iindex] + eig2 * t1g[iindex] + h1inv * t1h[iindex] + lf * t1e[iindex] - lf * t1f[iindex]; |
---|
| 719 | t1b[iindex] = hh1 * t1c[iindex] + hh3 * t1d[iindex] + hinv * t1h[iindex] + lf * hh1 * t1e[iindex] + lf * hh3 * t1f[iindex]; |
---|
| 720 | } |
---|
| 721 | } |
---|
| 722 | |
---|
| 723 | // END |
---|
| 724 | gps[procid]->steps_time[4] = giet_proctime() - step_start; |
---|
| 725 | |
---|
| 726 | // BARRIER |
---|
| 727 | barrier_start = giet_proctime(); |
---|
| 728 | sqt_barrier_wait( &barrier ); |
---|
| 729 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
| 730 | |
---|
| 731 | /* ******************************************************* |
---|
| 732 | s i x t h p h a s e |
---|
| 733 | ******************************************************* */ |
---|
| 734 | |
---|
| 735 | // BEGIN |
---|
| 736 | step_start = giet_proctime(); |
---|
| 737 | |
---|
| 738 | istart = 1; |
---|
| 739 | iend = istart + gps[procid]->rel_num_y[numlev - 1] - 1; |
---|
| 740 | jstart = 1; |
---|
| 741 | jend = jstart + gps[procid]->rel_num_x[numlev - 1] - 1; |
---|
| 742 | ist = istart; |
---|
| 743 | ien = iend; |
---|
| 744 | jst = jstart; |
---|
| 745 | jen = jend; |
---|
| 746 | |
---|
| 747 | if (gps[procid]->neighbors[UP] == -1) { |
---|
| 748 | istart = 0; |
---|
| 749 | } |
---|
| 750 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 751 | jstart = 0; |
---|
| 752 | } |
---|
| 753 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 754 | iend = im - 1; |
---|
| 755 | } |
---|
| 756 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 757 | jend = jm - 1; |
---|
| 758 | } |
---|
| 759 | t2a = (double **) rhs_multi[procid][numlev - 1]; |
---|
| 760 | t2b = (double **) ga[procid]; |
---|
| 761 | t2c = (double **) oldga[procid]; |
---|
| 762 | t2d = (double **) q_multi[procid][numlev - 1]; |
---|
| 763 | for (i = istart; i <= iend; i++) { |
---|
| 764 | t1a = (double *) t2a[i]; |
---|
| 765 | t1b = (double *) t2b[i]; |
---|
| 766 | for (j = jstart; j <= jend; j++) { |
---|
| 767 | t1a[j] = t1b[j] * ressqr; |
---|
| 768 | } |
---|
| 769 | } |
---|
| 770 | |
---|
| 771 | if (gps[procid]->neighbors[UP] == -1) { |
---|
| 772 | t1d = (double *) t2d[0]; |
---|
| 773 | t1b = (double *) t2b[0]; |
---|
| 774 | for (j = jstart; j <= jend; j++) { |
---|
| 775 | t1d[j] = t1b[j]; |
---|
| 776 | } |
---|
| 777 | } |
---|
| 778 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 779 | t1d = (double *) t2d[im - 1]; |
---|
| 780 | t1b = (double *) t2b[im - 1]; |
---|
| 781 | for (j = jstart; j <= jend; j++) { |
---|
| 782 | t1d[j] = t1b[j]; |
---|
| 783 | } |
---|
| 784 | } |
---|
| 785 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 786 | for (i = istart; i <= iend; i++) { |
---|
| 787 | t2d[i][0] = t2b[i][0]; |
---|
| 788 | } |
---|
| 789 | } |
---|
| 790 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 791 | for (i = istart; i <= iend; i++) { |
---|
| 792 | t2d[i][jm - 1] = t2b[i][jm - 1]; |
---|
| 793 | } |
---|
| 794 | } |
---|
| 795 | //fac = 1.0 / (4.0 - ressqr*eig2); |
---|
| 796 | for (i = ist; i <= ien; i++) { |
---|
| 797 | t1d = (double *) t2d[i]; |
---|
| 798 | t1c = (double *) t2c[i]; |
---|
| 799 | for (j = jst; j <= jen; j++) { |
---|
| 800 | t1d[j] = t1c[j]; |
---|
| 801 | } |
---|
| 802 | } |
---|
| 803 | |
---|
| 804 | multi_start = giet_proctime(); |
---|
| 805 | multig(procid); |
---|
| 806 | gps[procid]->multi_time += (giet_proctime() - multi_start); |
---|
| 807 | |
---|
| 808 | /* the shared sum variable psiai is initialized to 0 at |
---|
| 809 | every time-step */ |
---|
| 810 | |
---|
| 811 | if (procid == MASTER) |
---|
| 812 | { |
---|
| 813 | global->psiai = 0.0; |
---|
| 814 | } |
---|
| 815 | |
---|
| 816 | /* copy the solution for use as initial guess in next time-step */ |
---|
| 817 | |
---|
| 818 | for (i = istart; i <= iend; i++) |
---|
| 819 | { |
---|
| 820 | t1b = (double *) t2b[i]; |
---|
| 821 | t1c = (double *) t2c[i]; |
---|
| 822 | t1d = (double *) t2d[i]; |
---|
| 823 | for (j = jstart; j <= jend; j++) |
---|
| 824 | { |
---|
| 825 | t1b[j] = t1d[j]; |
---|
| 826 | t1c[j] = t1d[j]; |
---|
| 827 | } |
---|
| 828 | } |
---|
| 829 | |
---|
| 830 | // END |
---|
| 831 | gps[procid]->steps_time[5] = giet_proctime() - step_start; |
---|
| 832 | |
---|
| 833 | // BARRIER |
---|
| 834 | barrier_start = giet_proctime(); |
---|
| 835 | sqt_barrier_wait( &barrier ); |
---|
| 836 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
| 837 | |
---|
| 838 | /* ******************************************************* |
---|
| 839 | s e v e n t h p h a s e |
---|
| 840 | ******************************************************* |
---|
| 841 | |
---|
| 842 | every process computes the running sum for its assigned portion |
---|
| 843 | in a private variable psiaipriv */ |
---|
| 844 | |
---|
| 845 | // BEGIN |
---|
| 846 | step_start = giet_proctime(); |
---|
| 847 | |
---|
| 848 | psiaipriv = 0.0; |
---|
| 849 | t2a = (double **) ga[procid]; |
---|
| 850 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 851 | psiaipriv = psiaipriv + 0.25 * (t2a[0][0]); |
---|
| 852 | } |
---|
| 853 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 854 | psiaipriv = psiaipriv + 0.25 * (t2a[0][jm - 1]); |
---|
| 855 | } |
---|
| 856 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 857 | psiaipriv = psiaipriv + 0.25 * (t2a[im - 1][0]); |
---|
| 858 | } |
---|
| 859 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 860 | psiaipriv = psiaipriv + 0.25 * (t2a[im - 1][jm - 1]); |
---|
| 861 | } |
---|
| 862 | if (gps[procid]->neighbors[UP] == -1) { |
---|
| 863 | t1a = (double *) t2a[0]; |
---|
| 864 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 865 | psiaipriv = psiaipriv + 0.5 * t1a[j]; |
---|
| 866 | } |
---|
| 867 | } |
---|
| 868 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 869 | t1a = (double *) t2a[im - 1]; |
---|
| 870 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 871 | psiaipriv = psiaipriv + 0.5 * t1a[j]; |
---|
| 872 | } |
---|
| 873 | } |
---|
| 874 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 875 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 876 | psiaipriv = psiaipriv + 0.5 * t2a[j][0]; |
---|
| 877 | } |
---|
| 878 | } |
---|
| 879 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 880 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 881 | psiaipriv = psiaipriv + 0.5 * t2a[j][jm - 1]; |
---|
| 882 | } |
---|
| 883 | } |
---|
| 884 | for (i = firstrow; i <= lastrow; i++) { |
---|
| 885 | t1a = (double *) t2a[i]; |
---|
| 886 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
---|
| 887 | psiaipriv = psiaipriv + t1a[iindex]; |
---|
| 888 | } |
---|
| 889 | } |
---|
| 890 | |
---|
| 891 | /* after computing its private sum, every process adds that to the |
---|
| 892 | shared running sum psiai */ |
---|
| 893 | |
---|
| 894 | sqt_lock_acquire( &psiai_lock ); |
---|
| 895 | global->psiai = global->psiai + psiaipriv; |
---|
| 896 | sqt_lock_release( &psiai_lock ); |
---|
| 897 | |
---|
| 898 | // END |
---|
| 899 | gps[procid]->steps_time[6] = giet_proctime() - step_start; |
---|
| 900 | |
---|
| 901 | // BARRIER |
---|
| 902 | barrier_start = giet_proctime(); |
---|
| 903 | sqt_barrier_wait( &barrier ); |
---|
| 904 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
| 905 | |
---|
| 906 | /* ******************************************************* |
---|
| 907 | e i g h t h p h a s e |
---|
| 908 | ******************************************************* |
---|
| 909 | |
---|
| 910 | augment ga(i,j) with [-psiai/psibi]*psib(i,j) */ |
---|
| 911 | |
---|
| 912 | // BEGIN |
---|
| 913 | step_start = giet_proctime(); |
---|
| 914 | |
---|
| 915 | f4 = (-global->psiai) /(global->psibi); |
---|
| 916 | |
---|
| 917 | t2a = (double **) ga[procid]; |
---|
| 918 | t2b = (double **) psib[procid]; |
---|
| 919 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 920 | t2a[0][0] = t2a[0][0] + f4 * t2b[0][0]; |
---|
| 921 | } |
---|
| 922 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 923 | t2a[im - 1][0] = t2a[im - 1][0] + f4 * t2b[im - 1][0]; |
---|
| 924 | } |
---|
| 925 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 926 | t2a[0][jm - 1] = t2a[0][jm - 1] + f4 * t2b[0][jm - 1]; |
---|
| 927 | } |
---|
| 928 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 929 | t2a[im - 1][jm - 1] = t2a[im - 1][jm - 1] + f4 * t2b[im - 1][jm - 1]; |
---|
| 930 | } |
---|
| 931 | if (gps[procid]->neighbors[UP] == -1) { |
---|
| 932 | t1a = (double *) t2a[0]; |
---|
| 933 | t1b = (double *) t2b[0]; |
---|
| 934 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 935 | t1a[j] = t1a[j] + f4 * t1b[j]; |
---|
| 936 | } |
---|
| 937 | } |
---|
| 938 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 939 | t1a = (double *) t2a[im - 1]; |
---|
| 940 | t1b = (double *) t2b[im - 1]; |
---|
| 941 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 942 | t1a[j] = t1a[j] + f4 * t1b[j]; |
---|
| 943 | } |
---|
| 944 | } |
---|
| 945 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 946 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 947 | t2a[j][0] = t2a[j][0] + f4 * t2b[j][0]; |
---|
| 948 | } |
---|
| 949 | } |
---|
| 950 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 951 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 952 | t2a[j][jm - 1] = t2a[j][jm - 1] + f4 * t2b[j][jm - 1]; |
---|
| 953 | } |
---|
| 954 | } |
---|
| 955 | for (i = firstrow; i <= lastrow; i++) { |
---|
| 956 | t1a = (double *) t2a[i]; |
---|
| 957 | t1b = (double *) t2b[i]; |
---|
| 958 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
---|
| 959 | t1a[iindex] = t1a[iindex] + f4 * t1b[iindex]; |
---|
| 960 | } |
---|
| 961 | } |
---|
| 962 | |
---|
| 963 | t2a = (double **) rhs_multi[procid][numlev - 1]; |
---|
| 964 | t2b = (double **) gb[procid]; |
---|
| 965 | t2c = (double **) oldgb[procid]; |
---|
| 966 | t2d = (double **) q_multi[procid][numlev - 1]; |
---|
| 967 | for (i = istart; i <= iend; i++) { |
---|
| 968 | t1a = (double *) t2a[i]; |
---|
| 969 | t1b = (double *) t2b[i]; |
---|
| 970 | for (j = jstart; j <= jend; j++) { |
---|
| 971 | t1a[j] = t1b[j] * ressqr; |
---|
| 972 | } |
---|
| 973 | } |
---|
| 974 | if (gps[procid]->neighbors[UP] == -1) { |
---|
| 975 | t1d = (double *) t2d[0]; |
---|
| 976 | t1b = (double *) t2b[0]; |
---|
| 977 | for (j = jstart; j <= jend; j++) { |
---|
| 978 | t1d[j] = t1b[j]; |
---|
| 979 | } |
---|
| 980 | } |
---|
| 981 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 982 | t1d = (double *) t2d[im - 1]; |
---|
| 983 | t1b = (double *) t2b[im - 1]; |
---|
| 984 | for (j = jstart; j <= jend; j++) { |
---|
| 985 | t1d[j] = t1b[j]; |
---|
| 986 | } |
---|
| 987 | } |
---|
| 988 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 989 | for (i = istart; i <= iend; i++) { |
---|
| 990 | t2d[i][0] = t2b[i][0]; |
---|
| 991 | } |
---|
| 992 | } |
---|
| 993 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 994 | for (i = istart; i <= iend; i++) { |
---|
| 995 | t2d[i][jm - 1] = t2b[i][jm - 1]; |
---|
| 996 | } |
---|
| 997 | } |
---|
| 998 | //fac = 1.0 / (4.0 - ressqr*eig2); |
---|
| 999 | for (i = ist; i <= ien; i++) { |
---|
| 1000 | t1d = (double *) t2d[i]; |
---|
| 1001 | t1c = (double *) t2c[i]; |
---|
| 1002 | for (j = jst; j <= jen; j++) { |
---|
| 1003 | t1d[j] = t1c[j]; |
---|
| 1004 | } |
---|
| 1005 | } |
---|
| 1006 | |
---|
| 1007 | multi_start = giet_proctime(); |
---|
| 1008 | multig(procid); |
---|
| 1009 | gps[procid]->multi_time += (giet_proctime() - multi_start); |
---|
| 1010 | |
---|
| 1011 | for (i = istart; i <= iend; i++) |
---|
| 1012 | { |
---|
| 1013 | t1b = (double *) t2b[i]; |
---|
| 1014 | t1c = (double *) t2c[i]; |
---|
| 1015 | t1d = (double *) t2d[i]; |
---|
| 1016 | for (j = jstart; j <= jend; j++) |
---|
| 1017 | { |
---|
| 1018 | t1b[j] = t1d[j]; |
---|
| 1019 | t1c[j] = t1d[j]; |
---|
| 1020 | } |
---|
| 1021 | } |
---|
| 1022 | |
---|
| 1023 | // END |
---|
| 1024 | gps[procid]->steps_time[7] = giet_proctime() - step_start; |
---|
| 1025 | |
---|
| 1026 | // BARRIER |
---|
| 1027 | barrier_start = giet_proctime(); |
---|
| 1028 | sqt_barrier_wait( &barrier ); |
---|
| 1029 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
| 1030 | |
---|
| 1031 | /* ******************************************************* |
---|
| 1032 | n i n t h p h a s e |
---|
| 1033 | ******************************************************* |
---|
| 1034 | |
---|
| 1035 | put appropriate linear combinations of ga and gb in work2 and work3; |
---|
| 1036 | note that here (as in most cases) the constant multipliers are made |
---|
| 1037 | private variables; the specific order in which things are done is |
---|
| 1038 | chosen in order to hopefully reuse things brought into the cache |
---|
| 1039 | |
---|
| 1040 | note that here again we choose to have all processes share the work |
---|
| 1041 | on both matrices despite the fact that the work done per element |
---|
| 1042 | is the same, because the operand matrices are the same in both cases */ |
---|
| 1043 | |
---|
| 1044 | // BEGIN |
---|
| 1045 | step_start = giet_proctime(); |
---|
| 1046 | |
---|
| 1047 | t2a = (double **) ga[procid]; |
---|
| 1048 | t2b = (double **) gb[procid]; |
---|
| 1049 | t2c = (double **) work2[procid]; |
---|
| 1050 | t2d = (double **) work3[procid]; |
---|
| 1051 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 1052 | t2c[0][0] = t2b[0][0] - hh1 * t2a[0][0]; |
---|
| 1053 | t2d[0][0] = t2b[0][0] + hh3 * t2a[0][0]; |
---|
| 1054 | } |
---|
| 1055 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) { |
---|
| 1056 | t2c[im - 1][0] = t2b[im - 1][0] - hh1 * t2a[im - 1][0]; |
---|
| 1057 | t2d[im - 1][0] = t2b[im - 1][0] + hh3 * t2a[im - 1][0]; |
---|
| 1058 | } |
---|
| 1059 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 1060 | t2c[0][jm - 1] = t2b[0][jm - 1] - hh1 * t2a[0][jm - 1]; |
---|
| 1061 | t2d[0][jm - 1] = t2b[0][jm - 1] + hh3 * t2a[0][jm - 1]; |
---|
| 1062 | } |
---|
| 1063 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) { |
---|
| 1064 | t2c[im - 1][jm - 1] = t2b[im - 1][jm - 1] - hh1 * t2a[im - 1][jm - 1]; |
---|
| 1065 | t2d[im - 1][jm - 1] = t2b[im - 1][jm - 1] + hh3 * t2a[im - 1][jm - 1]; |
---|
| 1066 | } |
---|
| 1067 | if (gps[procid]->neighbors[UP] == -1) { |
---|
| 1068 | t1a = (double *) t2a[0]; |
---|
| 1069 | t1b = (double *) t2b[0]; |
---|
| 1070 | t1c = (double *) t2c[0]; |
---|
| 1071 | t1d = (double *) t2d[0]; |
---|
| 1072 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 1073 | t1d[j] = t1b[j] + hh3 * t1a[j]; |
---|
| 1074 | t1c[j] = t1b[j] - hh1 * t1a[j]; |
---|
| 1075 | } |
---|
| 1076 | } |
---|
| 1077 | if (gps[procid]->neighbors[DOWN] == -1) { |
---|
| 1078 | t1a = (double *) t2a[im - 1]; |
---|
| 1079 | t1b = (double *) t2b[im - 1]; |
---|
| 1080 | t1c = (double *) t2c[im - 1]; |
---|
| 1081 | t1d = (double *) t2d[im - 1]; |
---|
| 1082 | for (j = firstcol; j <= lastcol; j++) { |
---|
| 1083 | t1d[j] = t1b[j] + hh3 * t1a[j]; |
---|
| 1084 | t1c[j] = t1b[j] - hh1 * t1a[j]; |
---|
| 1085 | } |
---|
| 1086 | } |
---|
| 1087 | if (gps[procid]->neighbors[LEFT] == -1) { |
---|
| 1088 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 1089 | t2d[j][0] = t2b[j][0] + hh3 * t2a[j][0]; |
---|
| 1090 | t2c[j][0] = t2b[j][0] - hh1 * t2a[j][0]; |
---|
| 1091 | } |
---|
| 1092 | } |
---|
| 1093 | if (gps[procid]->neighbors[RIGHT] == -1) { |
---|
| 1094 | for (j = firstrow; j <= lastrow; j++) { |
---|
| 1095 | t2d[j][jm - 1] = t2b[j][jm - 1] + hh3 * t2a[j][jm - 1]; |
---|
| 1096 | t2c[j][jm - 1] = t2b[j][jm - 1] - hh1 * t2a[j][jm - 1]; |
---|
| 1097 | } |
---|
| 1098 | } |
---|
| 1099 | |
---|
| 1100 | for (i = firstrow; i <= lastrow; i++) { |
---|
| 1101 | t1a = (double *) t2a[i]; |
---|
| 1102 | t1b = (double *) t2b[i]; |
---|
| 1103 | t1c = (double *) t2c[i]; |
---|
| 1104 | t1d = (double *) t2d[i]; |
---|
| 1105 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
---|
| 1106 | t1d[iindex] = t1b[iindex] + hh3 * t1a[iindex]; |
---|
| 1107 | t1c[iindex] = t1b[iindex] - hh1 * t1a[iindex]; |
---|
| 1108 | } |
---|
| 1109 | } |
---|
| 1110 | |
---|
| 1111 | // END |
---|
| 1112 | gps[procid]->steps_time[8] = giet_proctime() - step_start; |
---|
| 1113 | |
---|
| 1114 | // BARRIER |
---|
| 1115 | barrier_start = giet_proctime(); |
---|
| 1116 | sqt_barrier_wait( &barrier ); |
---|
| 1117 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
| 1118 | |
---|
| 1119 | /* ******************************************************* |
---|
| 1120 | t e n t h p h a s e |
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| 1121 | *******************************************************/ |
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| 1122 | |
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| 1123 | // BEGIN |
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| 1124 | step_start = giet_proctime(); |
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| 1125 | |
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| 1126 | timst = 2 * dtau; |
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| 1127 | |
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| 1128 | /* update the psi{1,3} matrices by adding 2*dtau*work3 to each */ |
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| 1129 | |
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| 1130 | t2a = (double **) psi[procid][0]; |
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| 1131 | t2b = (double **) work3[procid]; |
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| 1132 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 1133 | { |
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| 1134 | t2a[0][0] = t2a[0][0] + timst * t2b[0][0]; |
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| 1135 | } |
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| 1136 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 1137 | { |
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| 1138 | t2a[im - 1][0] = t2a[im - 1][0] + timst * t2b[im - 1][0]; |
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| 1139 | } |
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| 1140 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 1141 | { |
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| 1142 | t2a[0][jm - 1] = t2a[0][jm - 1] + timst * t2b[0][jm - 1]; |
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| 1143 | } |
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| 1144 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 1145 | { |
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| 1146 | t2a[im - 1][jm - 1] = t2a[im - 1][jm - 1] + timst * t2b[im - 1][jm - 1]; |
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| 1147 | } |
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| 1148 | if (gps[procid]->neighbors[UP] == -1) |
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| 1149 | { |
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| 1150 | t1a = (double *) t2a[0]; |
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| 1151 | t1b = (double *) t2b[0]; |
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| 1152 | for (j = firstcol; j <= lastcol; j++) |
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| 1153 | { |
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| 1154 | t1a[j] = t1a[j] + timst * t1b[j]; |
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| 1155 | } |
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| 1156 | } |
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| 1157 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 1158 | { |
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| 1159 | t1a = (double *) t2a[im - 1]; |
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| 1160 | t1b = (double *) t2b[im - 1]; |
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| 1161 | for (j = firstcol; j <= lastcol; j++) |
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| 1162 | { |
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| 1163 | t1a[j] = t1a[j] + timst * t1b[j]; |
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| 1164 | } |
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| 1165 | } |
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| 1166 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 1167 | { |
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| 1168 | for (j = firstrow; j <= lastrow; j++) |
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| 1169 | { |
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| 1170 | t2a[j][0] = t2a[j][0] + timst * t2b[j][0]; |
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| 1171 | } |
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| 1172 | } |
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| 1173 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 1174 | { |
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| 1175 | for (j = firstrow; j <= lastrow; j++) |
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| 1176 | { |
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| 1177 | t2a[j][jm - 1] = t2a[j][jm - 1] + timst * t2b[j][jm - 1]; |
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| 1178 | } |
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| 1179 | } |
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| 1180 | for (i = firstrow; i <= lastrow; i++) |
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| 1181 | { |
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| 1182 | t1a = (double *) t2a[i]; |
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| 1183 | t1b = (double *) t2b[i]; |
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| 1184 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
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| 1185 | { |
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| 1186 | t1a[iindex] = t1a[iindex] + timst * t1b[iindex]; |
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| 1187 | } |
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| 1188 | } |
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| 1189 | |
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| 1190 | t2a = (double **) psi[procid][1]; |
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| 1191 | t2b = (double **) work2[procid]; |
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| 1192 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 1193 | { |
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| 1194 | t2a[0][0] = t2a[0][0] + timst * t2b[0][0]; |
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| 1195 | } |
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| 1196 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
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| 1197 | { |
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| 1198 | t2a[im - 1][0] = t2a[im - 1][0] + timst * t2b[im - 1][0]; |
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| 1199 | } |
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| 1200 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 1201 | { |
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| 1202 | t2a[0][jm - 1] = t2a[0][jm - 1] + timst * t2b[0][jm - 1]; |
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| 1203 | } |
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| 1204 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
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| 1205 | { |
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| 1206 | t2a[im - 1][jm - 1] = t2a[im - 1][jm - 1] + timst * t2b[im - 1][jm - 1]; |
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| 1207 | } |
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| 1208 | if (gps[procid]->neighbors[UP] == -1) |
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| 1209 | { |
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| 1210 | t1a = (double *) t2a[0]; |
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| 1211 | t1b = (double *) t2b[0]; |
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| 1212 | for (j = firstcol; j <= lastcol; j++) |
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| 1213 | { |
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| 1214 | t1a[j] = t1a[j] + timst * t1b[j]; |
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| 1215 | } |
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| 1216 | } |
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| 1217 | if (gps[procid]->neighbors[DOWN] == -1) |
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| 1218 | { |
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| 1219 | t1a = (double *) t2a[im - 1]; |
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| 1220 | t1b = (double *) t2b[im - 1]; |
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| 1221 | for (j = firstcol; j <= lastcol; j++) |
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| 1222 | { |
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| 1223 | t1a[j] = t1a[j] + timst * t1b[j]; |
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| 1224 | } |
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| 1225 | } |
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| 1226 | if (gps[procid]->neighbors[LEFT] == -1) |
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| 1227 | { |
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| 1228 | for (j = firstrow; j <= lastrow; j++) |
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| 1229 | { |
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| 1230 | t2a[j][0] = t2a[j][0] + timst * t2b[j][0]; |
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| 1231 | } |
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| 1232 | } |
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| 1233 | if (gps[procid]->neighbors[RIGHT] == -1) |
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| 1234 | { |
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| 1235 | for (j = firstrow; j <= lastrow; j++) |
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| 1236 | { |
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| 1237 | t2a[j][jm - 1] = t2a[j][jm - 1] + timst * t2b[j][jm - 1]; |
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| 1238 | } |
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| 1239 | } |
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| 1240 | |
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| 1241 | for (i = firstrow; i <= lastrow; i++) |
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| 1242 | { |
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| 1243 | t1a = (double *) t2a[i]; |
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| 1244 | t1b = (double *) t2b[i]; |
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| 1245 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
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| 1246 | { |
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| 1247 | t1a[iindex] = t1a[iindex] + timst * t1b[iindex]; |
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| 1248 | } |
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| 1249 | } |
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| 1250 | |
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| 1251 | // END |
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| 1252 | gps[procid]->steps_time[9] = giet_proctime() - step_start; |
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| 1253 | |
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| 1254 | // BARRIER |
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| 1255 | barrier_start = giet_proctime(); |
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| 1256 | sqt_barrier_wait( &barrier ); |
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| 1257 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
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| 1258 | |
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| 1259 | } // end slave2() |
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