POISSON_BAND - Master process: A FORTRAN77 program to solve the Poisson equation. The MPI message passing library is used. The number of processes is 4 The number of interior X grid lines is 50 The number of interior Y grid lines is 50 Step 1 Diff is 1.95312 Step 2 Diff is 0.647095 Step 3 Diff is 0.343731 Step 4 Diff is 0.220042 Step 5 Diff is 0.155819 Step 6 Diff is 0.117564 Step 7 Diff is 0.926521E-01 Step 8 Diff is 0.753793E-01 Step 9 Diff is 0.628323E-01 Step 10 Diff is 0.533841E-01 Step 11 Diff is 0.460627E-01 Step 12 Diff is 0.402552E-01 Step 13 Diff is 0.355582E-01 Step 14 Diff is 0.316967E-01 Step 15 Diff is 0.284771E-01 Step 16 Diff is 0.257599E-01 Step 17 Diff is 0.234423E-01 Step 18 Diff is 0.214470E-01 Step 19 Diff is 0.197147E-01 Step 20 Diff is 0.181996E-01 Step 21 Diff is 0.168656E-01 Step 22 Diff is 0.156839E-01 Step 23 Diff is 0.146314E-01 Step 24 Diff is 0.136891E-01 Step 25 Diff is 0.128418E-01 Step 26 Diff is 0.120765E-01 Step 27 Diff is 0.113827E-01 Step 28 Diff is 0.107514E-01 Step 29 Diff is 0.101750E-01 Step 30 Diff is 0.964710E-02 Step 31 Diff is 0.916224E-02 Step 32 Diff is 0.871567E-02 Step 33 Diff is 0.830333E-02 Step 34 Diff is 0.792167E-02 Step 35 Diff is 0.756762E-02 Step 36 Diff is 0.723847E-02 Step 37 Diff is 0.693186E-02 Step 38 Diff is 0.664570E-02 Step 39 Diff is 0.637815E-02 Step 40 Diff is 0.612756E-02 Step 41 Diff is 0.589249E-02 Step 42 Diff is 0.567162E-02 Step 43 Diff is 0.546381E-02 Step 44 Diff is 0.526799E-02 Step 45 Diff is 0.508323E-02 Step 46 Diff is 0.490868E-02 Step 47 Diff is 0.474359E-02 Step 48 Diff is 0.458724E-02 Step 49 Diff is 0.443901E-02 Step 50 Diff is 0.429833E-02 Step 51 Diff is 0.416468E-02 Step 52 Diff is 0.403758E-02 Step 53 Diff is 0.391658E-02 Step 54 Diff is 0.380130E-02 Step 55 Diff is 0.369137E-02 Step 56 Diff is 0.358644E-02 Step 57 Diff is 0.348621E-02 Step 58 Diff is 0.339039E-02 Step 59 Diff is 0.329872E-02 Step 60 Diff is 0.321094E-02 Step 61 Diff is 0.312685E-02 Step 62 Diff is 0.304621E-02 Step 63 Diff is 0.296885E-02 Step 64 Diff is 0.289458E-02 Step 65 Diff is 0.282323E-02 Step 66 Diff is 0.275464E-02 Step 67 Diff is 0.268867E-02 Step 68 Diff is 0.262518E-02 Step 69 Diff is 0.256405E-02 Step 70 Diff is 0.250515E-02 Step 71 Diff is 0.244837E-02 Step 72 Diff is 0.239361E-02 Step 73 Diff is 0.234077E-02 Step 74 Diff is 0.228976E-02 Step 75 Diff is 0.224049E-02 Step 76 Diff is 0.219288E-02 Step 77 Diff is 0.214685E-02 Step 78 Diff is 0.210233E-02 Step 79 Diff is 0.205926E-02 Step 80 Diff is 0.201756E-02 Step 81 Diff is 0.197718E-02 Step 82 Diff is 0.193806E-02 Step 83 Diff is 0.190015E-02 Step 84 Diff is 0.186339E-02 Step 85 Diff is 0.182774E-02 Step 86 Diff is 0.179315E-02 Step 87 Diff is 0.175958E-02 Step 88 Diff is 0.172698E-02 Step 89 Diff is 0.169532E-02 Step 90 Diff is 0.166456E-02 Step 91 Diff is 0.163467E-02 Step 92 Diff is 0.160560E-02 Step 93 Diff is 0.157734E-02 Step 94 Diff is 0.154984E-02 Step 95 Diff is 0.152308E-02 Step 96 Diff is 0.149704E-02 Step 97 Diff is 0.147168E-02 Step 98 Diff is 0.144698E-02 Step 99 Diff is 0.142292E-02 Step 100 Diff is 0.139947E-02 Step 101 Diff is 0.137661E-02 Step 102 Diff is 0.135432E-02 Step 103 Diff is 0.133259E-02 Step 104 Diff is 0.131139E-02 Step 105 Diff is 0.129070E-02 Step 106 Diff is 0.127051E-02 Step 107 Diff is 0.125080E-02 Step 108 Diff is 0.123156E-02 Step 109 Diff is 0.121276E-02 Step 110 Diff is 0.119440E-02 Step 111 Diff is 0.117645E-02 Step 112 Diff is 0.115892E-02 Step 113 Diff is 0.114178E-02 Step 114 Diff is 0.112502E-02 Step 115 Diff is 0.110863E-02 Step 116 Diff is 0.109260E-02 Step 117 Diff is 0.107691E-02 Step 118 Diff is 0.106156E-02 Step 119 Diff is 0.104654E-02 Step 120 Diff is 0.103184E-02 Step 121 Diff is 0.101744E-02 Step 122 Diff is 0.100334E-02 Step 123 Diff is 0.989535E-03 Step 124 Diff is 0.976007E-03 Step 125 Diff is 0.962753E-03 Step 126 Diff is 0.949764E-03 Step 127 Diff is 0.937033E-03 Step 128 Diff is 0.924553E-03 Step 129 Diff is 0.912317E-03 Step 130 Diff is 0.900318E-03 Step 131 Diff is 0.888550E-03 Step 132 Diff is 0.877006E-03 Step 133 Diff is 0.865680E-03 Step 134 Diff is 0.854567E-03 Step 135 Diff is 0.843661E-03 Step 136 Diff is 0.832956E-03 Step 137 Diff is 0.822447E-03 Step 138 Diff is 0.812130E-03 Step 139 Diff is 0.801999E-03 Step 140 Diff is 0.792049E-03 Step 141 Diff is 0.782277E-03 Step 142 Diff is 0.772676E-03 Step 143 Diff is 0.763244E-03 Step 144 Diff is 0.753977E-03 Step 145 Diff is 0.744869E-03 Step 146 Diff is 0.735917E-03 Step 147 Diff is 0.727118E-03 Step 148 Diff is 0.718467E-03 Step 149 Diff is 0.709961E-03 Step 150 Diff is 0.701598E-03 Step 151 Diff is 0.693372E-03 Step 152 Diff is 0.685282E-03 Step 153 Diff is 0.677324E-03 Step 154 Diff is 0.669495E-03 Step 155 Diff is 0.661792E-03 Step 156 Diff is 0.654212E-03 Step 157 Diff is 0.646753E-03 Step 158 Diff is 0.639412E-03 Step 159 Diff is 0.632185E-03 Step 160 Diff is 0.625072E-03 Step 161 Diff is 0.618068E-03 Step 162 Diff is 0.611172E-03 Step 163 Diff is 0.604382E-03 Step 164 Diff is 0.597695E-03 Step 165 Diff is 0.591109E-03 Step 166 Diff is 0.584622E-03 Step 167 Diff is 0.578231E-03 Step 168 Diff is 0.571936E-03 Step 169 Diff is 0.565733E-03 Step 170 Diff is 0.559621E-03 Step 171 Diff is 0.553598E-03 Step 172 Diff is 0.547662E-03 Step 173 Diff is 0.541812E-03 Step 174 Diff is 0.536046E-03 Step 175 Diff is 0.530362E-03 Step 176 Diff is 0.524758E-03 Step 177 Diff is 0.519233E-03 Step 178 Diff is 0.513786E-03 Step 179 Diff is 0.508414E-03 Step 180 Diff is 0.503117E-03 Step 181 Diff is 0.497893E-03 Step 182 Diff is 0.492740E-03 Step 183 Diff is 0.487658E-03 Step 184 Diff is 0.482644E-03 Step 185 Diff is 0.477699E-03 Step 186 Diff is 0.472819E-03 Step 187 Diff is 0.468005E-03 Step 188 Diff is 0.463254E-03 Step 189 Diff is 0.458567E-03 Step 190 Diff is 0.453941E-03 Step 191 Diff is 0.449376E-03 Step 192 Diff is 0.444870E-03 Step 193 Diff is 0.440422E-03 Step 194 Diff is 0.436032E-03 Step 195 Diff is 0.431698E-03 Step 196 Diff is 0.427420E-03 Step 197 Diff is 0.423196E-03 Step 198 Diff is 0.419025E-03 Step 199 Diff is 0.414907E-03 Step 200 Diff is 0.410841E-03 Step 201 Diff is 0.406825E-03 Step 202 Diff is 0.402859E-03 Step 203 Diff is 0.398943E-03 Step 204 Diff is 0.395074E-03 Step 205 Diff is 0.391254E-03 Step 206 Diff is 0.387479E-03 Step 207 Diff is 0.383751E-03 Step 208 Diff is 0.380068E-03 Step 209 Diff is 0.376429E-03 Step 210 Diff is 0.372834E-03 Step 211 Diff is 0.369282E-03 Step 212 Diff is 0.365772E-03 Step 213 Diff is 0.362304E-03 Step 214 Diff is 0.358877E-03 Step 215 Diff is 0.355490E-03 Step 216 Diff is 0.352142E-03 Step 217 Diff is 0.348834E-03 Step 218 Diff is 0.345565E-03 Step 219 Diff is 0.342333E-03 Step 220 Diff is 0.339138E-03 Step 221 Diff is 0.335981E-03 Step 222 Diff is 0.332859E-03 Step 223 Diff is 0.329773E-03 Step 224 Diff is 0.326722E-03 Step 225 Diff is 0.323706E-03 Step 226 Diff is 0.320724E-03 Step 227 Diff is 0.317775E-03 Step 228 Diff is 0.314859E-03 Step 229 Diff is 0.311976E-03 Step 230 Diff is 0.309125E-03 Step 231 Diff is 0.306305E-03 Step 232 Diff is 0.303517E-03 Step 233 Diff is 0.300759E-03 Step 234 Diff is 0.298032E-03 Step 235 Diff is 0.295334E-03 Step 236 Diff is 0.292666E-03 Step 237 Diff is 0.290027E-03 Step 238 Diff is 0.287416E-03 Step 239 Diff is 0.284834E-03 Step 240 Diff is 0.282279E-03 Step 241 Diff is 0.279752E-03 Step 242 Diff is 0.277252E-03 Step 243 Diff is 0.274778E-03 Step 244 Diff is 0.272331E-03 Step 245 Diff is 0.269909E-03 Step 246 Diff is 0.267513E-03 Step 247 Diff is 0.265143E-03 Step 248 Diff is 0.262797E-03 Step 249 Diff is 0.260476E-03 Step 250 Diff is 0.258179E-03 Step 251 Diff is 0.255906E-03 Step 252 Diff is 0.253656E-03 Step 253 Diff is 0.251430E-03 Step 254 Diff is 0.249227E-03 Step 255 Diff is 0.247046E-03 Step 256 Diff is 0.244888E-03 Step 257 Diff is 0.242751E-03 Step 258 Diff is 0.240637E-03 Step 259 Diff is 0.238544E-03 Step 260 Diff is 0.236472E-03 Step 261 Diff is 0.234422E-03 Step 262 Diff is 0.232391E-03 Step 263 Diff is 0.230382E-03 Step 264 Diff is 0.228392E-03 Step 265 Diff is 0.226423E-03 Step 266 Diff is 0.224473E-03 Step 267 Diff is 0.222542E-03 Step 268 Diff is 0.220631E-03 Step 269 Diff is 0.218738E-03 Step 270 Diff is 0.216865E-03 Step 271 Diff is 0.215009E-03 Step 272 Diff is 0.213172E-03 Step 273 Diff is 0.211353E-03 Step 274 Diff is 0.209552E-03 Step 275 Diff is 0.207769E-03 Step 276 Diff is 0.206002E-03 Step 277 Diff is 0.204253E-03 Step 278 Diff is 0.202521E-03 Step 279 Diff is 0.200806E-03 Step 280 Diff is 0.199107E-03 Step 281 Diff is 0.197424E-03 Step 282 Diff is 0.195758E-03 Step 283 Diff is 0.194108E-03 Step 284 Diff is 0.192473E-03 Step 285 Diff is 0.190854E-03 Step 286 Diff is 0.189251E-03 Step 287 Diff is 0.187662E-03 Step 288 Diff is 0.186089E-03 Step 289 Diff is 0.184530E-03 Step 290 Diff is 0.182987E-03 Step 291 Diff is 0.181458E-03 Step 292 Diff is 0.179943E-03 Step 293 Diff is 0.178442E-03 Step 294 Diff is 0.176956E-03 Step 295 Diff is 0.175483E-03 Step 296 Diff is 0.174024E-03 Step 297 Diff is 0.172579E-03 Step 298 Diff is 0.171147E-03 Step 299 Diff is 0.169728E-03 Step 300 Diff is 0.168323E-03 Step 301 Diff is 0.166930E-03 Step 302 Diff is 0.165550E-03 Step 303 Diff is 0.164183E-03 Step 304 Diff is 0.162829E-03 Step 305 Diff is 0.161487E-03 Step 306 Diff is 0.160157E-03 Step 307 Diff is 0.158839E-03 Step 308 Diff is 0.157533E-03 Step 309 Diff is 0.156240E-03 Step 310 Diff is 0.154958E-03 Step 311 Diff is 0.153687E-03 Step 312 Diff is 0.152428E-03 Step 313 Diff is 0.151181E-03 Step 314 Diff is 0.149944E-03 Step 315 Diff is 0.148719E-03 Step 316 Diff is 0.147505E-03 Step 317 Diff is 0.146302E-03 Step 318 Diff is 0.145109E-03 Step 319 Diff is 0.143927E-03 Step 320 Diff is 0.142756E-03 Step 321 Diff is 0.141595E-03 Step 322 Diff is 0.140445E-03 Step 323 Diff is 0.139304E-03 Step 324 Diff is 0.138174E-03 Step 325 Diff is 0.137054E-03 Step 326 Diff is 0.135944E-03 Step 327 Diff is 0.134843E-03 Step 328 Diff is 0.133752E-03 Step 329 Diff is 0.132671E-03 Step 330 Diff is 0.131599E-03 Step 331 Diff is 0.130537E-03 Step 332 Diff is 0.129484E-03 Step 333 Diff is 0.128440E-03 Step 334 Diff is 0.127406E-03 Step 335 Diff is 0.126380E-03 Step 336 Diff is 0.125364E-03 Step 337 Diff is 0.124356E-03 Step 338 Diff is 0.123357E-03 Step 339 Diff is 0.122366E-03 Step 340 Diff is 0.121384E-03 Step 341 Diff is 0.120411E-03 Step 342 Diff is 0.119446E-03 Step 343 Diff is 0.118490E-03 Step 344 Diff is 0.117541E-03 Step 345 Diff is 0.116601E-03 Step 346 Diff is 0.115669E-03 Step 347 Diff is 0.114745E-03 Step 348 Diff is 0.113829E-03 Step 349 Diff is 0.112920E-03 Step 350 Diff is 0.112020E-03 Step 351 Diff is 0.111127E-03 Step 352 Diff is 0.110242E-03 Step 353 Diff is 0.109364E-03 Step 354 Diff is 0.108494E-03 Step 355 Diff is 0.107631E-03 Step 356 Diff is 0.106775E-03 Step 357 Diff is 0.105927E-03 Step 358 Diff is 0.105086E-03 Step 359 Diff is 0.104252E-03 Step 360 Diff is 0.103425E-03 Step 361 Diff is 0.102605E-03 Step 362 Diff is 0.101792E-03 Step 363 Diff is 0.100986E-03 Step 364 Diff is 0.100187E-03 Step 365 Diff is 0.993940E-04 Converged after 730 iterations. Terminated after 0.458214 seconds. Process 1 is active Process 2 is active Process 3 is active