00001
00002 #include "mpi.h"
00003 #include "petsc.h"
00004 #include "sys.h"
00005 #include "TreeNode.h"
00006 #include "parUtils.h"
00007 #include "omg.h"
00008 #include "oda.h"
00009 #include "omgJac.h"
00010 #include "handleStencils.h"
00011 #include <cstdlib>
00012 #include <cstring>
00013 #include "colors.h"
00014 #include "externVars.h"
00015 #include "dendro.h"
00016
00017 static char help[] = "Scalar Problem";
00018
00019
00020 #ifdef MPI_WTIME_IS_GLOBAL
00021 #undef MPI_WTIME_IS_GLOBAL
00022 #endif
00023
00024 #ifdef PETSC_USE_LOG
00025
00026 int Jac1DiagEvent;
00027 int Jac1MultEvent;
00028 int Jac1FinestDiagEvent;
00029 int Jac1FinestMultEvent;
00030
00031 int Jac2DiagEvent;
00032 int Jac2MultEvent;
00033 int Jac2FinestDiagEvent;
00034 int Jac2FinestMultEvent;
00035
00036 int Jac3DiagEvent;
00037 int Jac3MultEvent;
00038 int Jac3FinestDiagEvent;
00039 int Jac3FinestMultEvent;
00040 #endif
00041
00042 double***** LaplacianType1Stencil;
00043 double**** LaplacianType2Stencil;
00044 double***** MassType1Stencil;
00045 double**** MassType2Stencil;
00046 double****** ShapeFnStencil;
00047
00048 int main(int argc, char ** argv ) {
00049 int size, rank;
00050 bool incCorner = 1;
00051 unsigned int numPts;
00052 unsigned int solveU = 0;
00053 unsigned int writeB = 0;
00054 char Kstr[20];
00055 char pFile[50],bFile[50],uFile[50];
00056 double gSize[3];
00057 unsigned int ptsLen;
00058 unsigned int maxNumPts= 1;
00059 unsigned int dim=3;
00060 unsigned int maxDepth=30;
00061 bool compressLut=true;
00062 double localTime, totalTime;
00063 double startTime, endTime;
00064 DendroIntL locSz, totalSz;
00065 std::vector<ot::TreeNode> linOct, balOct;
00066 std::vector<double> pts;
00067 double mgLoadFac = 2.0;
00068
00069 PetscInitialize(&argc,&argv,"options",help);
00070 ot::RegisterEvents();
00071
00072 ot::DAMG_Initialize(MPI_COMM_WORLD);
00073
00074 #ifdef PETSC_USE_LOG
00075 PetscLogEventRegister(&Jac1DiagEvent,"ODAmatDiag",PETSC_VIEWER_COOKIE);
00076 PetscLogEventRegister(&Jac1MultEvent,"ODAmatMult",PETSC_VIEWER_COOKIE);
00077 PetscLogEventRegister(&Jac1FinestDiagEvent,"ODAmatDiagFinest",PETSC_VIEWER_COOKIE);
00078 PetscLogEventRegister(&Jac1FinestMultEvent,"ODAmatMultFinest",PETSC_VIEWER_COOKIE);
00079
00080 PetscLogEventRegister(&Jac2DiagEvent,"OMGmatDiag-2",PETSC_VIEWER_COOKIE);
00081 PetscLogEventRegister(&Jac2MultEvent,"OMGmatMult-2",PETSC_VIEWER_COOKIE);
00082 PetscLogEventRegister(&Jac2FinestDiagEvent,"OMGmatDiagFinest-2",PETSC_VIEWER_COOKIE);
00083 PetscLogEventRegister(&Jac2FinestMultEvent,"OMGmatMultFinest-2",PETSC_VIEWER_COOKIE);
00084
00085 PetscLogEventRegister(&Jac3DiagEvent,"OMGmatDiag-3",PETSC_VIEWER_COOKIE);
00086 PetscLogEventRegister(&Jac3MultEvent,"OMGmatMult-3",PETSC_VIEWER_COOKIE);
00087 PetscLogEventRegister(&Jac3FinestDiagEvent,"OMGmatDiagFinest-3",PETSC_VIEWER_COOKIE);
00088 PetscLogEventRegister(&Jac3FinestMultEvent,"OMGmatMultFinest-3",PETSC_VIEWER_COOKIE);
00089
00090 int stages[3];
00091 PetscLogStageRegister(&stages[0],"P2O.");
00092 PetscLogStageRegister(&stages[1],"Bal");
00093 PetscLogStageRegister(&stages[2],"Solve");
00094 #endif
00095
00096 MPI_Comm_size(MPI_COMM_WORLD,&size);
00097 MPI_Comm_rank(MPI_COMM_WORLD,&rank);
00098 if(argc < 3) {
00099 std::cerr << "Usage: " << argv[0] << "inpfile maxDepth[30] solveU[0]\
00100 writeB[0] dim[3] maxNumPtsPerOctant[1] incCorner[1] compressLut[1] mgLoadFac[2.0] " << std::endl;
00101 return -1;
00102 }
00103 if(argc > 2) {
00104 maxDepth = atoi(argv[2]);
00105 }
00106 if(argc > 3) {
00107 solveU = atoi(argv[3]);
00108 }
00109 if(argc > 4) {
00110 writeB = atoi(argv[4]);
00111 }
00112 if(argc > 5) {
00113 dim = atoi(argv[5]);
00114 }
00115 if(argc > 6) {
00116 maxNumPts = atoi(argv[6]);
00117 }
00118 if(argc > 7) { incCorner = (bool)(atoi(argv[7]));}
00119 if(argc > 8) { compressLut = (bool)(atoi(argv[8]));}
00120 if(argc > 9) { mgLoadFac = atof(argv[9]); }
00121
00122 strcpy(bFile,argv[1]);
00123 ot::int2str(rank,Kstr);
00124 strcat(bFile,Kstr);
00125 strcat(bFile,"_\0");
00126 ot::int2str(size,Kstr);
00127 strcat(bFile,Kstr);
00128 strcpy(pFile,bFile);
00129 strcpy(uFile,bFile);
00130 strcat(bFile,"_Bal.ot\0");
00131 strcat(pFile,".pts\0");
00132 strcat(uFile,".sol\0");
00133
00134
00135 MPI_Barrier(MPI_COMM_WORLD);
00136 if(!rank){
00137 std::cout << " reading "<<pFile<<std::endl;
00138 }
00139 ot::readPtsFromFile(pFile, pts);
00140 if(!rank){
00141 std::cout << " finished reading "<<pFile<<std::endl;
00142 }
00143 MPI_Barrier(MPI_COMM_WORLD);
00144 ptsLen = pts.size();
00145 std::vector<ot::TreeNode> tmpNodes;
00146 for(int i=0;i<ptsLen;i+=3) {
00147 if( (pts[i] > 0.0) &&
00148 (pts[i+1] > 0.0)
00149 && (pts[i+2] > 0.0) &&
00150 ( ((unsigned int)(pts[i]*((double)(1u<<maxDepth)))) < (1u<<maxDepth)) &&
00151 ( ((unsigned int)(pts[i+1]*((double)(1u<<maxDepth)))) < (1u<<maxDepth)) &&
00152 ( ((unsigned int)(pts[i+2]*((double)(1u<<maxDepth)))) < (1u<<maxDepth)) ) {
00153 tmpNodes.push_back( ot::TreeNode((unsigned int)(pts[i]*(double)(1u<<maxDepth)),
00154 (unsigned int)(pts[i+1]*(double)(1u<<maxDepth)),
00155 (unsigned int)(pts[i+2]*(double)(1u<<maxDepth)),
00156 maxDepth,dim,maxDepth) );
00157 }
00158 }
00159 pts.clear();
00160 par::removeDuplicates<ot::TreeNode>(tmpNodes,false,MPI_COMM_WORLD);
00161 linOct = tmpNodes;
00162 tmpNodes.clear();
00163 par::partitionW<ot::TreeNode>(linOct, NULL,MPI_COMM_WORLD);
00164
00165 locSz = linOct.size();
00166 DendroIntL totalNumPts;
00167 par::Mpi_Reduce<DendroIntL>(&locSz, &totalNumPts, 1, MPI_SUM, 0, MPI_COMM_WORLD);
00168 MPI_Barrier(MPI_COMM_WORLD);
00169 if(rank==0) {
00170 std::cout<<"# pts= " << totalNumPts<<std::endl;
00171 }
00172 MPI_Barrier(MPI_COMM_WORLD);
00173
00174 PetscTruth setMatPropsUsingPts;
00175 PetscOptionsHasName(0,"-setMatPropsUsingPts",&setMatPropsUsingPts);
00176
00177 std::vector<ot::TreeNode> matPropNodes;
00178 if(setMatPropsUsingPts) {
00179 matPropNodes = linOct;
00180 }
00181
00182 pts.resize(3*(linOct.size()));
00183 ptsLen = (3*(linOct.size()));
00184
00185 for(int i=0;i<linOct.size();i++) {
00186 pts[3*i] = (((double)(linOct[i].getX())) + 0.5)/((double)(1u<<maxDepth));
00187 pts[(3*i)+1] = (((double)(linOct[i].getY())) +0.5)/((double)(1u<<maxDepth));
00188 pts[(3*i)+2] = (((double)(linOct[i].getZ())) +0.5)/((double)(1u<<maxDepth));
00189 }
00190 linOct.clear();
00191 gSize[0] = 1.;
00192 gSize[1] = 1.;
00193 gSize[2] = 1.;
00194
00195 PetscTruth usingRegularOctree;
00196 PetscInt regLev;
00197 PetscOptionsHasName(0,"-useRegularOctreeAtLevel",&usingRegularOctree);
00198 PetscOptionsGetInt(0,"-useRegularOctreeAtLevel",®Lev,0);
00199
00200 if(usingRegularOctree) {
00201 if(!rank) {
00202 std::cout<<"Creating Regular Fine Grid Octree."<<std::endl;
00203 }
00204 balOct.clear();
00205 createRegularOctree(balOct,regLev,3,maxDepth,MPI_COMM_WORLD);
00206 } else {
00207 MPI_Barrier(MPI_COMM_WORLD);
00208 #ifdef PETSC_USE_LOG
00209 PetscLogStagePush(stages[0]);
00210 #endif
00211 startTime = MPI_Wtime();
00212 ot::points2Octree(pts, gSize, linOct, dim, maxDepth, maxNumPts, MPI_COMM_WORLD);
00213 endTime = MPI_Wtime();
00214 #ifdef PETSC_USE_LOG
00215 PetscLogStagePop();
00216 #endif
00217 localTime = endTime - startTime;
00218 par::Mpi_Reduce<double>(&localTime, &totalTime, 1, MPI_MAX, 0, MPI_COMM_WORLD);
00219 if(!rank){
00220 std::cout <<"P2n Time: "<<totalTime << std::endl;
00221 }
00222
00223 locSz = linOct.size();
00224 par::Mpi_Reduce<DendroIntL>(&locSz, &totalSz, 1, MPI_SUM, 0, MPI_COMM_WORLD);
00225 if(rank==0) {
00226 std::cout<<"# of Unbalanced Octants: " << totalSz<<std::endl;
00227 }
00228 pts.clear();
00229
00230
00231 MPI_Barrier(MPI_COMM_WORLD);
00232 #ifdef PETSC_USE_LOG
00233 PetscLogStagePush(stages[1]);
00234 #endif
00235 startTime = MPI_Wtime();
00236 ot::balanceOctree (linOct, balOct, dim, maxDepth, incCorner, MPI_COMM_WORLD, NULL, NULL);
00237 endTime = MPI_Wtime();
00238 #ifdef PETSC_USE_LOG
00239 PetscLogStagePop();
00240 #endif
00241 linOct.clear();
00242 }
00243
00244 if(writeB) {
00245 ot::writeNodesToFile(bFile,balOct);
00246 }
00247
00248 locSz = balOct.size();
00249 localTime = endTime - startTime;
00250 par::Mpi_Reduce<DendroIntL>(&locSz, &totalSz, 1, MPI_SUM, 0, MPI_COMM_WORLD);
00251 par::Mpi_Reduce<double>(&localTime, &totalTime, 1, MPI_MAX, 0, MPI_COMM_WORLD);
00252
00253 if(!rank) {
00254 std::cout << "# of Balanced Octants: "<< totalSz << std::endl;
00255 std::cout << "bal Time: "<<totalTime << std::endl;
00256 }
00257
00258
00259 MPI_Barrier(MPI_COMM_WORLD);
00260 #ifdef PETSC_USE_LOG
00261 PetscLogStagePush(stages[2]);
00262 #endif
00263
00264 ot::DAMG *damg;
00265 int nlevels = 1;
00266 PetscInt numRefinements = 0;
00267 unsigned int dof =1;
00268
00269 PetscInt nlevelsPetscInt = nlevels;
00270 PetscOptionsGetInt(0, "-nlevels", &nlevelsPetscInt, 0);
00271 nlevels = nlevelsPetscInt;
00272
00273 PetscOptionsGetInt(0,"-numRefinements",&numRefinements,0);
00274 for(int i = 0; i < numRefinements; i++) {
00275 std::vector<ot::TreeNode> tmpOct = balOct;
00276 balOct.clear();
00277 ot::refineOctree(tmpOct, balOct);
00278 }
00279
00280 MPI_Barrier(MPI_COMM_WORLD);
00281
00282 if(!rank) {
00283 std::cout<<"nlevels initial: "<<nlevels<<std::endl;
00284 }
00285
00286
00287 ot::DAMGCreateAndSetDA(PETSC_COMM_WORLD, nlevels, NULL, &damg,
00288 balOct, dof, mgLoadFac, compressLut, incCorner);
00289
00290 if(!rank) {
00291 std::cout<<"nlevels final: "<<nlevels<<std::endl;
00292 }
00293
00294 MPI_Barrier(MPI_COMM_WORLD);
00295
00296 if(!rank) {
00297 std::cout << "Created DA for all levels."<< std::endl;
00298 }
00299
00300 MPI_Barrier(MPI_COMM_WORLD);
00301 ot::PrintDAMG(damg);
00302
00303 unsigned int* allSizes = NULL;
00304
00305 if(!rank) {
00306 allSizes = new unsigned int[6*size];
00307 }
00308
00309 for(int lev = 0; lev < nlevels; lev++) {
00310 for(int auxCtr = 0; auxCtr < 2; auxCtr++) {
00311 ot::DA* currDa = NULL;
00312
00313 if(auxCtr == 0) {
00314 currDa = damg[lev]->da;
00315 }else if(damg[lev]->da_aux) {
00316 currDa = damg[lev]->da_aux;
00317 } else {
00318 break;
00319 }
00320
00321 unsigned int localSizes[6];
00322
00323
00324 localSizes[0] = currDa->getIdxElementBegin();
00325
00326
00327 localSizes[2] = currDa->getElementSize();
00328
00329 unsigned int localTotalSize = currDa->getLocalBufferSize();
00330
00331
00332 localSizes[1] = (localTotalSize - (currDa->getIdxPostGhostBegin()));
00333
00334
00335 localSizes[3] = currDa->getIndependentSize();
00336
00337
00338 localSizes[4] = currDa->getPreGhostElementSize();
00339
00340
00341 localSizes[5] = ((currDa->getIdxPostGhostBegin()) - (currDa->getIdxElementEnd()));
00342
00343 MPI_Gather(localSizes, 6, MPI_UNSIGNED, allSizes, 6,
00344 MPI_UNSIGNED, 0, MPI_COMM_WORLD);
00345
00346 MPI_Barrier(MPI_COMM_WORLD);
00347
00348
00349
00350
00351
00352
00353
00354
00355
00356
00357
00358
00359
00360
00361 fflush(stdout);
00362 }
00363 }
00364
00365 if(!rank) {
00366 delete [] allSizes;
00367 }
00368
00369 MPI_Barrier(MPI_COMM_WORLD);
00370
00371 if(setMatPropsUsingPts) {
00372 PetscTruth setMatPropsAtCoarsest;
00373 PetscOptionsHasName(0,"-setMatPropsAtCoarsest",&setMatPropsAtCoarsest);
00374 if(setMatPropsAtCoarsest) {
00375
00376
00377 if(!rank) {
00378 par::scatterValues<ot::TreeNode>(matPropNodes, linOct,
00379 totalNumPts, MPI_COMM_WORLD);
00380 } else {
00381 par::scatterValues<ot::TreeNode>(matPropNodes, linOct,
00382 0, MPI_COMM_WORLD);
00383 }
00384 matPropNodes.clear();
00385
00386 std::vector<double> matPropPts(3*(linOct.size()));
00387 for(int i=0;i<linOct.size();i++) {
00388 matPropPts[3*i] =
00389 (((double)(linOct[i].getX())) + 0.5)/((double)(1u << maxDepth));
00390 matPropPts[(3*i)+1] =
00391 (((double)(linOct[i].getY())) +0.5)/((double)(1u << maxDepth));
00392 matPropPts[(3*i)+2] =
00393 (((double)(linOct[i].getZ())) +0.5)/((double)(1u << maxDepth));
00394 }
00395 linOct.clear();
00396
00397 PetscReal lapFac = 0.0;
00398 PetscTruth optFound;
00399 PetscOptionsGetReal("lap","-MatPropFac",&lapFac,&optFound);
00400 std::vector<double> lapJumps((matPropPts.size()/3));
00401 for(int i=0;i<lapJumps.size();i++) {
00402 lapJumps[i] = lapFac;
00403 }
00404 SetCoarseToFineFromPts(damg, matPropPts, lapJumps);
00405 } else {
00406 if(damg[nlevels-1]->da->iAmActive()) {
00407 int npesActive;
00408 int rankActive;
00409
00410 MPI_Comm_size(damg[nlevels-1]->da->getCommActive(), &npesActive);
00411 MPI_Comm_rank(damg[nlevels-1]->da->getCommActive(), &rankActive);
00412
00413 unsigned int avgSize = (totalNumPts/npesActive);
00414 unsigned int remSize = (totalNumPts % npesActive);
00415
00416 if(rankActive < remSize) {
00417 par::scatterValues<ot::TreeNode>(matPropNodes, linOct,
00418 (avgSize + 1), MPI_COMM_WORLD);
00419 } else {
00420 par::scatterValues<ot::TreeNode>(matPropNodes, linOct,
00421 avgSize, MPI_COMM_WORLD);
00422 }
00423
00424 matPropNodes.clear();
00425 for(unsigned int i = 0; i < linOct.size(); i++) {
00426 unsigned int xpt, ypt, zpt;
00427 linOct[i].getAnchor(xpt,ypt,zpt);
00428 ot::TreeNode tmpNode(xpt,ypt,zpt,(maxDepth+1),3,(maxDepth+1));
00429 matPropNodes.push_back(tmpNode);
00430 }
00431 linOct.clear();
00432
00433 std::vector<ot::TreeNode> minsArray(npesActive);
00434
00435 std::vector<ot::TreeNode> blocks = damg[nlevels-1]->da->getBlocks();
00436
00437 assert(!blocks.empty());
00438
00439 ot::TreeNode firstBlock = blocks[0];
00440
00441 par::Mpi_Allgather<ot::TreeNode>(&firstBlock, &(*(minsArray.begin())), 1,
00442 damg[nlevels-1]->da->getCommActive());
00443
00444 int *sendCnt = new int[npesActive];
00445 int *recvCnt = new int[npesActive];
00446 int *sendOffsets = new int[npesActive];
00447 int *recvOffsets = new int[npesActive];
00448
00449
00450 for (int i = 0; i < npesActive; i++) {
00451 sendCnt[i]=0;
00452 recvCnt[i]=0;
00453 }
00454
00455 unsigned int blockCtr = 0;
00456 for(unsigned int tempCtr = 0; tempCtr < matPropNodes.size(); tempCtr++) {
00457 while( ((blockCtr + 1) < npesActive) &&
00458 (matPropNodes[tempCtr] >= minsArray[blockCtr+1]) ) {
00459 blockCtr++;
00460 }
00461 if ( (blockCtr + 1) == npesActive) {
00462 sendCnt[blockCtr] += (matPropNodes.size() - tempCtr);
00463 break;
00464 } else {
00465 sendCnt[blockCtr]++;
00466 }
00467 }
00468
00469 minsArray.clear();
00470
00471
00472
00473 par::Mpi_Alltoall<int>(sendCnt, recvCnt, 1, damg[nlevels-1]->da->getCommActive());
00474
00475 unsigned int totalRecv = 0;
00476 for (unsigned int i = 0; i < npesActive; i++) {
00477 totalRecv += recvCnt[i];
00478 }
00479
00480 linOct.resize(totalRecv);
00481
00482 sendOffsets[0] = 0;
00483 recvOffsets[0] = 0;
00484
00485
00486 for (int i=1; i < npesActive; i++) {
00487 sendOffsets[i] = sendOffsets[i-1] + sendCnt[i-1];
00488 recvOffsets[i] = recvOffsets[i-1] + recvCnt[i-1];
00489 }
00490
00491
00492 par::Mpi_Alltoallv_sparse<ot::TreeNode>(&(*(matPropNodes.begin())), sendCnt, sendOffsets,
00493 &(*(linOct.begin())), recvCnt, recvOffsets, damg[nlevels-1]->da->getCommActive());
00494
00495 matPropNodes.clear();
00496
00497
00498 delete [] sendCnt;
00499 sendCnt = NULL;
00500
00501 delete [] recvCnt;
00502 recvCnt = NULL;
00503
00504 delete [] sendOffsets;
00505 sendOffsets = NULL;
00506
00507 delete [] recvOffsets;
00508 recvOffsets = NULL;
00509
00510 } else {
00511 par::scatterValues<ot::TreeNode>(matPropNodes, linOct,
00512 0, MPI_COMM_WORLD);
00513 matPropNodes.clear();
00514 }
00515
00516 std::vector<double> matPropPts(3*(linOct.size()));
00517 for(int i=0;i<linOct.size();i++) {
00518 matPropPts[3*i] =
00519 (((double)(linOct[i].getX())) + 0.5)/((double)(1u << maxDepth));
00520 matPropPts[(3*i)+1] =
00521 (((double)(linOct[i].getY())) +0.5)/((double)(1u << maxDepth));
00522 matPropPts[(3*i)+2] =
00523 (((double)(linOct[i].getZ())) +0.5)/((double)(1u << maxDepth));
00524 }
00525 linOct.clear();
00526
00527 PetscReal lapFac = 0.0;
00528 PetscTruth optFound;
00529 PetscOptionsGetReal("lap","-MatPropFac",&lapFac,&optFound);
00530 std::vector<double> lapJumps((matPropPts.size()/3));
00531 for(int i=0;i<lapJumps.size();i++) {
00532 lapJumps[i] = lapFac;
00533 }
00534 SetUserContextsFromPts(damg, matPropPts, lapJumps);
00535 }
00536 } else {
00537 SetUserContexts(damg);
00538 }
00539
00540 MPI_Barrier(MPI_COMM_WORLD);
00541 if(!rank) {
00542 std::cout << "Set User Contexts all levels."<< std::endl;
00543 }
00544
00545 MPI_Barrier(MPI_COMM_WORLD);
00546
00547 PetscInt jacType = 1;
00548 PetscOptionsGetInt(0,"-jacType",&jacType,0);
00549
00550 MPI_Barrier(MPI_COMM_WORLD);
00551 if(!rank) {
00552 std::cout << "Creating stencils..."<< std::endl;
00553 }
00554 MPI_Barrier(MPI_COMM_WORLD);
00555
00556 createLmatType2(LaplacianType2Stencil);
00557
00558 createMmatType2(MassType2Stencil);
00559
00560 if(jacType == 3) {
00561 createLmatType1(LaplacianType1Stencil);
00562 createMmatType1(MassType1Stencil);
00563 }
00564 createShFnMat(ShapeFnStencil);
00565
00566 MPI_Barrier(MPI_COMM_WORLD);
00567 if(!rank) {
00568 std::cout << "Created all stencils."<< std::endl;
00569 }
00570 MPI_Barrier(MPI_COMM_WORLD);
00571
00572 PetscInt rhsType = 2;
00573 PetscOptionsGetInt(0,"-rhsType",&rhsType,0);
00574
00575
00576 PetscErrorCode (*ComputeRHSHandle)(ot::DAMG damg,Vec rhs) = NULL;
00577 PetscErrorCode (*CreateJacobianHandle)(ot::DAMG damg,Mat *B) = NULL;
00578 PetscErrorCode (*ComputeJacobianHandle)(ot::DAMG damg,Mat J, Mat B) = NULL;
00579
00580 if(rhsType == 0) {
00581 ComputeRHSHandle = ComputeRHS0;
00582 } else if (rhsType == 1) {
00583 ComputeRHSHandle = ComputeRHS1;
00584 } else if (rhsType == 2) {
00585 ComputeRHSHandle = ComputeRHS2;
00586 } else if (rhsType == 3) {
00587 ComputeRHSHandle = ComputeRHS3;
00588 } else if (rhsType == 4) {
00589 ComputeRHSHandle = ComputeRHS4;
00590 } else if (rhsType == 5) {
00591 ComputeRHSHandle = ComputeRHS5;
00592 } else if (rhsType == 6) {
00593 ComputeRHSHandle = ComputeRHS6;
00594 } else if (rhsType == 7) {
00595 ComputeRHSHandle = ComputeRHS7;
00596 } else if (rhsType == 8) {
00597 ComputeRHSHandle = ComputeRHS8;
00598 } else {
00599 assert(false);
00600 }
00601
00602 if(jacType == 1) {
00603 CreateJacobianHandle = CreateJacobian1;
00604 ComputeJacobianHandle = ComputeJacobian1;
00605 } else if (jacType == 2) {
00606 CreateJacobianHandle = CreateJacobian2;
00607 ComputeJacobianHandle = ComputeJacobian2;
00608 } else if (jacType == 3) {
00609 CreateJacobianHandle = CreateJacobian3;
00610 ComputeJacobianHandle = ComputeJacobian3;
00611
00612
00613 for(int i = 1; i < (nlevels-1); i++) {
00614 ot::DAMGCreateJMatrix(damg[i], CreateJacobianHandle);
00615 }
00616 } else {
00617 assert(false);
00618 }
00619
00620
00621
00622 if (jacType == 1) {
00623 ot::getPrivateMatricesForKSP_Shell = getPrivateMatricesForKSP_Shell_Jac1;
00624 } else if (jacType == 2) {
00625 ot::getPrivateMatricesForKSP_Shell = getPrivateMatricesForKSP_Shell_Jac2;
00626 } else if (jacType == 3) {
00627 ot::getPrivateMatricesForKSP_Shell = getPrivateMatricesForKSP_Shell_Jac3;
00628 } else {
00629 assert(false);
00630 }
00631
00632 ot::DAMGSetKSP(damg, CreateJacobianHandle, ComputeJacobianHandle, ComputeRHSHandle);
00633
00634 MPI_Barrier(MPI_COMM_WORLD);
00635 if(!rank) {
00636 std::cout << "Called DAMGSetKSP"<< std::endl;
00637 }
00638 MPI_Barrier(MPI_COMM_WORLD);
00639
00640 PetscReal norm2;
00641 PetscReal normInf;
00642
00643 PetscTruth setRandomGuess = PETSC_FALSE;
00644 PetscOptionsHasName(0,"-setRandomGuess",&setRandomGuess);
00645
00646 if(setRandomGuess) {
00647 ot::DAMGSetInitialGuess(damg,ot::DAMGInitialGuessCurrent);
00648
00649 PetscRandom rctx;
00650 PetscRandomCreate(PETSC_COMM_WORLD,&rctx);
00651 PetscRandomSetType(rctx,PETSCRAND48);
00652 PetscInt randomSeed = 12345;
00653 PetscOptionsGetInt(0,"-randomSeed",&randomSeed,0);
00654 if(!rank) {
00655 std::cout<<"Using Random Seed: "<<randomSeed<<std::endl;
00656 }
00657 PetscRandomSetSeed(rctx,randomSeed);
00658 PetscRandomSeed(rctx);
00659 PetscRandomSetFromOptions(rctx);
00660
00661 VecSetRandom((DAMGGetx(damg)),rctx);
00662
00663 PetscRandomDestroy(rctx);
00664
00665 VecNorm((DAMGGetx(damg)),NORM_INFINITY,&normInf);
00666 VecNorm((DAMGGetx(damg)),NORM_2,&norm2);
00667
00668 MPI_Barrier(MPI_COMM_WORLD);
00669 if(!rank) {
00670 std::cout << "Solving with random intial guess"<< std::endl;
00671 std::cout<<"Initial Norm2: "<<norm2<<" NormInf: "<<normInf<<std::endl;
00672 }
00673 MPI_Barrier(MPI_COMM_WORLD);
00674 }else {
00675 MPI_Barrier(MPI_COMM_WORLD);
00676 if(!rank) {
00677 std::cout << "Solving with 0-intial guess"<< std::endl;
00678 }
00679 MPI_Barrier(MPI_COMM_WORLD);
00680 }
00681
00682 startTime = MPI_Wtime();
00683 ot::DAMGSolve(damg);
00684 endTime = MPI_Wtime();
00685
00686 localTime = (endTime - startTime);
00687 par::Mpi_Reduce<double>(&localTime, &totalTime, 1, MPI_MAX, 0, MPI_COMM_WORLD);
00688
00689 MPI_Barrier(MPI_COMM_WORLD);
00690
00691 if (!rank) {
00692 std::cout << GRN << "Done Solve" << NRM << std::endl;
00693 std::cout << "Solve Time: "<<totalTime << std::endl;
00694 }
00695
00696 MPI_Barrier(MPI_COMM_WORLD);
00697
00698 destroyLmatType2(LaplacianType2Stencil);
00699 destroyMmatType2(MassType2Stencil);
00700 if(jacType == 3) {
00701 destroyLmatType1(LaplacianType1Stencil);
00702 destroyMmatType1(MassType1Stencil);
00703 }
00704 destroyShFnMat(ShapeFnStencil);
00705
00706 if (!rank) {
00707 std::cout << GRN << "Destroyed Stencils" << NRM << std::endl;
00708 }
00709
00710 DestroyUserContexts(damg);
00711
00712 if (!rank) {
00713 std::cout << GRN << "Destroyed User Contexts." << NRM << std::endl;
00714 }
00715
00716 MPI_Barrier(MPI_COMM_WORLD);
00717
00718 DAMGDestroy(damg);
00719
00720 if (!rank) {
00721 std::cout << GRN << "Destroyed DAMG" << NRM << std::endl;
00722 }
00723 MPI_Barrier(MPI_COMM_WORLD);
00724
00725 #ifdef PETSC_USE_LOG
00726 PetscLogStagePop();
00727 #endif
00728 balOct.clear();
00729
00730 ot::DAMG_Finalize();
00731 if (!rank) {
00732 std::cout << GRN << "Finalizing ..." << NRM << std::endl;
00733 }
00734 MPI_Barrier(MPI_COMM_WORLD);
00735 PetscFinalize();
00736 }
00737