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]; |
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414 | } |
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415 | } |
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416 | if (gps[procid]->neighbors[LEFT] == -1) { |
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417 | for (j = firstrow; j <= lastrow; j++) { |
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418 | t2a[j][0] = t2b[j][0]; |
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419 | } |
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420 | } |
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421 | if (gps[procid]->neighbors[RIGHT] == -1) { |
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422 | for (j = firstrow; j <= lastrow; j++) { |
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423 | t2a[j][jm - 1] = t2b[j][jm - 1]; |
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424 | } |
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425 | } |
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426 | |
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427 | for (i = firstrow; i <= lastrow; i++) { |
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428 | t1a = (double *) t2a[i]; |
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429 | t1b = (double *) t2b[i]; |
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430 | for (iindex = firstcol; iindex <= lastcol; iindex++) { |
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431 | t1a[iindex] = t1b[iindex]; |
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432 | } |
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433 | } |
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434 | } |
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435 | |
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436 | /* put the laplacian of the psim array |
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437 | into the work7 array; first part of a three-laplacian |
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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 |
---|
1121 | *******************************************************/ |
---|
1122 | |
---|
1123 | // BEGIN |
---|
1124 | step_start = giet_proctime(); |
---|
1125 | |
---|
1126 | timst = 2 * dtau; |
---|
1127 | |
---|
1128 | /* update the psi{1,3} matrices by adding 2*dtau*work3 to each */ |
---|
1129 | |
---|
1130 | t2a = (double **) psi[procid][0]; |
---|
1131 | t2b = (double **) work3[procid]; |
---|
1132 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
1133 | { |
---|
1134 | t2a[0][0] = t2a[0][0] + timst * t2b[0][0]; |
---|
1135 | } |
---|
1136 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
1137 | { |
---|
1138 | t2a[im - 1][0] = t2a[im - 1][0] + timst * t2b[im - 1][0]; |
---|
1139 | } |
---|
1140 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
1141 | { |
---|
1142 | t2a[0][jm - 1] = t2a[0][jm - 1] + timst * t2b[0][jm - 1]; |
---|
1143 | } |
---|
1144 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
1145 | { |
---|
1146 | t2a[im - 1][jm - 1] = t2a[im - 1][jm - 1] + timst * t2b[im - 1][jm - 1]; |
---|
1147 | } |
---|
1148 | if (gps[procid]->neighbors[UP] == -1) |
---|
1149 | { |
---|
1150 | t1a = (double *) t2a[0]; |
---|
1151 | t1b = (double *) t2b[0]; |
---|
1152 | for (j = firstcol; j <= lastcol; j++) |
---|
1153 | { |
---|
1154 | t1a[j] = t1a[j] + timst * t1b[j]; |
---|
1155 | } |
---|
1156 | } |
---|
1157 | if (gps[procid]->neighbors[DOWN] == -1) |
---|
1158 | { |
---|
1159 | t1a = (double *) t2a[im - 1]; |
---|
1160 | t1b = (double *) t2b[im - 1]; |
---|
1161 | for (j = firstcol; j <= lastcol; j++) |
---|
1162 | { |
---|
1163 | t1a[j] = t1a[j] + timst * t1b[j]; |
---|
1164 | } |
---|
1165 | } |
---|
1166 | if (gps[procid]->neighbors[LEFT] == -1) |
---|
1167 | { |
---|
1168 | for (j = firstrow; j <= lastrow; j++) |
---|
1169 | { |
---|
1170 | t2a[j][0] = t2a[j][0] + timst * t2b[j][0]; |
---|
1171 | } |
---|
1172 | } |
---|
1173 | if (gps[procid]->neighbors[RIGHT] == -1) |
---|
1174 | { |
---|
1175 | for (j = firstrow; j <= lastrow; j++) |
---|
1176 | { |
---|
1177 | t2a[j][jm - 1] = t2a[j][jm - 1] + timst * t2b[j][jm - 1]; |
---|
1178 | } |
---|
1179 | } |
---|
1180 | for (i = firstrow; i <= lastrow; i++) |
---|
1181 | { |
---|
1182 | t1a = (double *) t2a[i]; |
---|
1183 | t1b = (double *) t2b[i]; |
---|
1184 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
---|
1185 | { |
---|
1186 | t1a[iindex] = t1a[iindex] + timst * t1b[iindex]; |
---|
1187 | } |
---|
1188 | } |
---|
1189 | |
---|
1190 | t2a = (double **) psi[procid][1]; |
---|
1191 | t2b = (double **) work2[procid]; |
---|
1192 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
1193 | { |
---|
1194 | t2a[0][0] = t2a[0][0] + timst * t2b[0][0]; |
---|
1195 | } |
---|
1196 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[LEFT] == -1)) |
---|
1197 | { |
---|
1198 | t2a[im - 1][0] = t2a[im - 1][0] + timst * t2b[im - 1][0]; |
---|
1199 | } |
---|
1200 | if ((gps[procid]->neighbors[UP] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
1201 | { |
---|
1202 | t2a[0][jm - 1] = t2a[0][jm - 1] + timst * t2b[0][jm - 1]; |
---|
1203 | } |
---|
1204 | if ((gps[procid]->neighbors[DOWN] == -1) && (gps[procid]->neighbors[RIGHT] == -1)) |
---|
1205 | { |
---|
1206 | t2a[im - 1][jm - 1] = t2a[im - 1][jm - 1] + timst * t2b[im - 1][jm - 1]; |
---|
1207 | } |
---|
1208 | if (gps[procid]->neighbors[UP] == -1) |
---|
1209 | { |
---|
1210 | t1a = (double *) t2a[0]; |
---|
1211 | t1b = (double *) t2b[0]; |
---|
1212 | for (j = firstcol; j <= lastcol; j++) |
---|
1213 | { |
---|
1214 | t1a[j] = t1a[j] + timst * t1b[j]; |
---|
1215 | } |
---|
1216 | } |
---|
1217 | if (gps[procid]->neighbors[DOWN] == -1) |
---|
1218 | { |
---|
1219 | t1a = (double *) t2a[im - 1]; |
---|
1220 | t1b = (double *) t2b[im - 1]; |
---|
1221 | for (j = firstcol; j <= lastcol; j++) |
---|
1222 | { |
---|
1223 | t1a[j] = t1a[j] + timst * t1b[j]; |
---|
1224 | } |
---|
1225 | } |
---|
1226 | if (gps[procid]->neighbors[LEFT] == -1) |
---|
1227 | { |
---|
1228 | for (j = firstrow; j <= lastrow; j++) |
---|
1229 | { |
---|
1230 | t2a[j][0] = t2a[j][0] + timst * t2b[j][0]; |
---|
1231 | } |
---|
1232 | } |
---|
1233 | if (gps[procid]->neighbors[RIGHT] == -1) |
---|
1234 | { |
---|
1235 | for (j = firstrow; j <= lastrow; j++) |
---|
1236 | { |
---|
1237 | t2a[j][jm - 1] = t2a[j][jm - 1] + timst * t2b[j][jm - 1]; |
---|
1238 | } |
---|
1239 | } |
---|
1240 | |
---|
1241 | for (i = firstrow; i <= lastrow; i++) |
---|
1242 | { |
---|
1243 | t1a = (double *) t2a[i]; |
---|
1244 | t1b = (double *) t2b[i]; |
---|
1245 | for (iindex = firstcol; iindex <= lastcol; iindex++) |
---|
1246 | { |
---|
1247 | t1a[iindex] = t1a[iindex] + timst * t1b[iindex]; |
---|
1248 | } |
---|
1249 | } |
---|
1250 | |
---|
1251 | // END |
---|
1252 | gps[procid]->steps_time[9] = giet_proctime() - step_start; |
---|
1253 | |
---|
1254 | // BARRIER |
---|
1255 | barrier_start = giet_proctime(); |
---|
1256 | sqt_barrier_wait( &barrier ); |
---|
1257 | gps[procid]->sync_time += (giet_proctime() - barrier_start); |
---|
1258 | |
---|
1259 | } // end slave2() |
---|