コード例 #1
0
int main(int argc, char **argv) {
  PetscInitialize(&argc, &argv, "cmame.opt", help);

  int rank;
  MPI_Comm_rank(MPI_COMM_WORLD, &rank);

  // The global domain size
  double gSize[3];
  gSize[0] = 1.; gSize[1] = 1.; gSize[2] = 1.;

  // Parameters for the balancing algorithm.
  // Refer to manual for details ... 
  bool incCorner = 1; // balance across corners = true  
  unsigned int maxNumPts= 1; // maximum number of points per octant
  unsigned int dim=3; // spatial dimensions 

  // unsigned int maxDepth=8; // maximum depth of the octree, has to be <= 30
  int maxDepth=8; // maximum depth of the octree, has to be <= 30

  int Ns = 32;
  unsigned int dof = 3;

  char problemName[PETSC_MAX_PATH_LEN];
  char filename[PETSC_MAX_PATH_LEN];

  double t0 = 0.0;
  double dt = 0.1;
  double t1 = 1.0;
  double beta = 0.000001;

  Vec rho;        // density - elemental scalar
  Vec lambda;     // Lame parameter - lambda - elemental scalar
  Vec mu;         // Lame parameter - mu - elemental scalar
  Vec fibers;     // Fiber orientations - nodal vector (3-dof)

  std::vector<Vec> tau;        // the scalar activation - nodal scalar

  std::vector<ot::TreeNode> linOct, balOct, newLinOct;
  std::vector<double> pts;

  // Initial conditions
  Vec initialDisplacement; 
  Vec initialVelocity;

  double nu, E;
  nu = 0.45;
  E = 1000;

  timeInfo ti;

  PetscTruth mf = PETSC_FALSE;
  bool mfree = false;

  PetscOptionsGetTruth(0, "-mfree", &mf, 0);

  if (mf == PETSC_TRUE) {
    mfree = true;
  } else
    mfree = false;

  double ctrst = 1.0;
  // get Ns
  CHKERRQ ( PetscOptionsGetInt(0,"-Ns",&Ns,0) );
  CHKERRQ ( PetscOptionsGetInt(0,"-mdepth",&maxDepth,0) );

  CHKERRQ ( PetscOptionsGetScalar(0,"-ctrst",&ctrst,0) );
  CHKERRQ ( PetscOptionsGetScalar(0,"-t0",&t0,0) );
  CHKERRQ ( PetscOptionsGetScalar(0,"-nu",&nu,0) );
  CHKERRQ ( PetscOptionsGetScalar(0,"-Youngs",&E,0) );
  CHKERRQ ( PetscOptionsGetScalar(0,"-t1",&t1,0) );
  CHKERRQ ( PetscOptionsGetScalar(0,"-dt",&dt,0) );
  CHKERRQ ( PetscOptionsGetScalar(0,"-beta",&beta,0) );
  CHKERRQ ( PetscOptionsGetString(PETSC_NULL,"-pn",problemName,PETSC_MAX_PATH_LEN-1,PETSC_NULL));

  // Time info for timestepping
  ti.start = t0;
  ti.stop  = t1;
  ti.step  = dt;

  if (!rank) {
    std::cout << "Grid size is " << Ns+1 << " and NT is " << (int)ceil(1.0/dt) << std::endl;
    std::cout << "MaxDepth is " << maxDepth << std::endl;
  }

  /*
  for (int i=0; i<3*Ns*Ns*Ns; i++) {
    double val = gaussian(); //randgauss(0., 1., 2.0, 0.);
    // std::cout << val << std::endl;
    pts.push_back(val);
  }

  MPI_Barrier(MPI_COMM_WORLD);  
*/
  /*********************************************************************** */
  // CONSTRUCT: Construct the linear octree from the points ...
  /*********************************************************************** */
  // ot::points2Octree(pts, gSize, linOct, dim, maxDepth, maxNumPts, MPI_COMM_WORLD);

  // The points are not needed anymore, and can be cleared to free memory.
  // pts.clear();

  if (!rank) {
    ot::readNodesFromFile("test.256.oct", newLinOct);
    std::cout << "Finished reading" << std::endl;
  }

  // std::sort(linOct.begin(), linOct.end());
  std::cout << rank << " Original octree size is " << newLinOct.size() << std::endl;

  /*
  par::Partition<ot::TreeNode>(linoct, newLinOct, MPI_COMM_WORLD);
  linOct.clear();
  */
  par::sampleSort<ot::TreeNode>(newLinOct, linOct, MPI_COMM_WORLD);
  newLinOct.clear();

  std::cout << rank << ": after Part octree size is " << linOct.size() << std::endl;

  /*********************************************************************** */
  // BALANCE: Balance the linear octree to enforce the 2:1 balance conditions.
  /*********************************************************************** */
  ot::balanceOctree (linOct, balOct, dim, maxDepth, incCorner, MPI_COMM_WORLD);

  std::cout << "Balanced octree size is " << balOct.size() << std::endl;

  // The linear octree (unbalanced) can be cleared to free memory.
  linOct.clear();

  // If desired the octree can be written to a file using the supplied routine ...
  ot::writeNodesToFile("filename.oct", balOct);

  /*********************************************************************** */
  // MESH : Construct the octree-based Distruted Array.
  /*********************************************************************** */
  ot::DA da(balOct,MPI_COMM_WORLD);
  balOct.clear();

  MPI_Barrier(MPI_COMM_WORLD);

  if (!rank)
    std::cout <<"Finshed Meshing" << std::endl;

  PetscFinalize();
  return 0;

  // create Matrices and Vectors
  elasMass *Mass = new elasMass(feMat::OCT); // Mass Matrix
  elasStiffness *Stiffness = new elasStiffness(feMat::OCT); // Stiffness matrix
  raleighDamping *Damping = new raleighDamping(feMat::OCT); // Damping Matrix

  cardiacForce *Force = new cardiacForce(feVec::OCT); // Force Vector

  // create vectors 

  da.createVector(rho, false, false, 1);
  da.createVector(mu, false, false, 1);
  da.createVector(lambda, false, false, 1);

  da.createVector(initialDisplacement, false, false, dof);
  da.createVector(initialVelocity, false, false, dof);

  // Set initial conditions
  CHKERRQ( VecSet ( initialDisplacement, 0.0) ); 
  CHKERRQ( VecSet ( initialVelocity, 0.0) );

  int parFac = 2;
  int numParams = 120;

  CHKERRQ ( PetscOptionsGetInt(0,"-pFac", &parFac,0) );

  numParams = parFac*parFac*parFac*5*3;
  if (!rank)
    std::cout << "Total number of unknowns is " << numParams << std::endl;

  // Generate the basis ...
  std::vector < radialBasis > spatialBasis;
  bSplineBasis temporalBasis(3, 5);	// this creates and sets up the basis ...
  // temporalBasis.knot();

  double fac = 1.0/parFac;
  double ssq = fac*fac/5.5452; // 8log(2) = 5.5452
  PetscPrintf(0, "SSQ is %f\n", ssq); 
  // Now to set up the radial bases ...
  for (int k=0; k<parFac; k++) {
    for (int j=0; j<parFac; j++) {
      for (int i=0; i<parFac; i++) {
        // std::cout << "Adding radial basis at: " << fac/2+i*fac << ", " << fac/2+j*fac << ", " << fac/2+k*fac << std::endl;
        radialBasis tmp(Point( fac/2+i*fac,fac/2+j*fac,fac/2+k*fac), Point(ssq,ssq,ssq));
        spatialBasis.push_back(tmp);
      }
    }
  }

  /*
  // Homogeneous material properties ...
  CHKERRQ( VecSet ( rho, 1.0) ); 

  nu = 0.45; E = 1000;
  double mmu = E/(2*(1+nu));
  double llam = E*nu/((1+nu)*(1-2*nu));

  CHKERRQ( VecSet ( mu, mmu) ); 
  CHKERRQ( VecSet ( lambda, llam) );
  */


  PetscScalar *muArray, *lamArray, *rhoArray;
  // Read in material properties from file ...
  unsigned int elemSize = Ns*Ns*Ns;

  unsigned char *tmp_mat = new unsigned char[elemSize];  
  double *tmp_tau = new double[elemSize];
  double *tmp_fib = new double[dof*elemSize];

  // generate filenames & read in the raw arrays first ...
  std::ifstream fin;

  sprintf(filename, "%s.%d.img", problemName, Ns); 
  fin.open(filename, std::ios::binary); fin.read((char *)tmp_mat, elemSize); fin.close();

  nu = 0.35; E = 1000;
  double mmu = E/(2*(1+nu));
  double llam = E*nu/((1+nu)*(1-2*nu));
  nu = 0.45; E = 1000*ctrst;
  double mmu2 = E/(2*(1+nu));
  double llam2 = E*nu/((1+nu)*(1-2*nu));

  da.vecGetBuffer(mu, muArray,true,true,false,1);
  da.vecGetBuffer(lambda, lamArray,true,true,false,1);
  da.vecGetBuffer(rho, rhoArray,true,true,false,1);

  for ( da.init<ot::DA::ALL>(), da.init<ot::DA::WRITABLE>(); da.curr() < da.end<ot::DA::ALL>(); da.next<ot::DA::ALL>()) {
    unsigned int i = da.curr();
    Point pt;
    pt = da.getCurrentOffset();

    int indx = pt.z()*Ns*Ns + pt.y()*Ns + pt.x();

    if ( tmp_mat[indx] ) {
      muArray[i] = mmu2;
      lamArray[i] = llam2;
      rhoArray[i] = 1.0;
    } else {
      muArray[i] = mmu;
      lamArray[i] = llam;
      rhoArray[i] = 1.0;
    }
  }

  da.vecRestoreBuffer(mu, muArray,true,true,false,1);
  da.vecRestoreBuffer(lambda, lamArray,true,true,false,1);
  da.vecRestoreBuffer(rho, rhoArray,true,true,false,1);

  delete [] tmp_mat;

  // Now set the activation ...
  unsigned int numSteps = (unsigned int)(ceil(( ti.stop - ti.start)/ti.step));

  Vec tauVec, tmpTau;

  // Create elemental vector ...
  da.createVector(tmpTau, true, true, 1);
  da.createVector(fibers, true, true, 3);
  
  PetscScalar *tauArray;

  // load the fibers ...
  da.vecGetBuffer(fibers, tauArray, true, true, 3);
    
  sprintf(filename, "%s.%d.fibers", problemName, Ns);
  std::ifstream fin3(filename, std::ios::binary); fin3.read((char *)tmp_fib, dof*elemSize*sizeof(double)); fin3.close();

  for ( da.init<ot::DA::ALL>(), da.init<ot::DA::WRITABLE>(); da.curr() < da.end<ot::DA::ALL>(); da.next<ot::DA::ALL>()) {
    unsigned int i = da.curr();
    Point pt;
    pt = da.getCurrentOffset();

    int indx = pt.z()*Ns*Ns + pt.y()*Ns + pt.x();

    for (int d=0; d<dof; d++) {
      tauArray[dof*i+d] = tmp_tau[dof*indx+d];
    }
  }

  da.vecRestoreBuffer(fibers, tauArray, true, true, 3);

  delete [] tmp_fib;


  // loop through time steps
  for (unsigned int t=0; t<numSteps+1; t++) {
    // a. Create new nodal vector ...
    da.createVector(tauVec, false, true, 1);

    VecSet( tmpTau, 0.0 );
    da.vecGetBuffer(tmpTau, tauArray, true, true, 1);

    // b. read in the activation 
    // std::cout << "Setting force vectors" << std::endl;
    sprintf(filename, "%s.%d.%.3d.fld", problemName, Ns, t);
    // std::cout << "Reading force file " << filename << std::endl;
    fin.open(filename); fin.read((char *)tmp_tau, elemSize*sizeof(double)); fin.close();

    // c. set the values ...
    for ( da.init<ot::DA::ALL>(), da.init<ot::DA::WRITABLE>(); da.curr() < da.end<ot::DA::ALL>(); da.next<ot::DA::ALL>()) {
      unsigned int i = da.curr();
      Point pt;
      pt = da.getCurrentOffset();

      int indx = pt.z()*Ns*Ns + pt.y()*Ns + pt.x();
      
      tauArray[i] = tmp_tau[indx];
    }

    // restore
    da.vecRestoreBuffer(tmpTau, tauArray, true, true, 1);
    // d. element2node
    elementToNode(da, tmpTau, tauVec, 1);

    // store in vector 
    tau.push_back(tauVec);
  }

  // Setup Matrices and Force Vector ...

  Mass->setProblemDimensions(1.0, 1.0, 1.0);
  Mass->setDA(&da);
  Mass->setDof(dof);
  Mass->setDensity(rho);

  Stiffness->setProblemDimensions(1.0, 1.0, 1.0);
  Stiffness->setDA(&da);
  Stiffness->setDof(dof);
  Stiffness->setLame(lambda, mu);

  Damping->setAlpha(0.0);
  Damping->setBeta(0.00075);
  Damping->setMassMatrix(Mass);
  Damping->setStiffnessMatrix(Stiffness);
  Damping->setDA(&da);
  Damping->setDof(dof);

  // Force Vector
  Force->setProblemDimensions(1.0,1.0,1.0);
  Force->setDA(&da);
  // Force->setFDynamic(tau);
  Force->setActivationVec(tau);
  Force->setFiberOrientations(fibers);
  Force->setTimeInfo(&ti);

  // Newmark time stepper ...
  newmark *ts = new newmark; 

  ts->setMassMatrix(Mass);
  ts->setDampingMatrix(Damping);
  ts->setStiffnessMatrix(Stiffness);
  ts->damp(false);
  ts->setTimeFrames(1);
  ts->storeVec(true);

  ts->setForceVector(Force);

  ts->setInitialDisplacement(initialDisplacement);
  ts->setInitialVelocity(initialVelocity);

  ts->setTimeInfo(&ti);
  ts->setAdjoint(false); // set if adjoint or forward
  ts->useMatrixFree(mfree);

  //if (!rank)
  //  std::cout << RED"Initializing Newmark"NRM << std::endl;
  double itime = MPI_Wtime();
  ts->init(); // initialize IMPORTANT 
  //if (!rank)
  //  std::cout << RED"Starting Newmark Solve"NRM << std::endl;
  double stime = MPI_Wtime();
  ts->solve();// solve 
  double etime = MPI_Wtime();
  
  // PetscFinalize();
Vec alpha, outvec;
  PetscScalar *avec;

  VecCreateSeq(PETSC_COMM_SELF, numParams, &alpha);

  VecGetArray(alpha, &avec);

  for (int j=0; j<numParams; j++)
    avec[j] = 0.0;

  avec[1] = 1.0;

  VecRestoreArray(alpha, &avec);

  VecDuplicate(alpha, &outvec);

  // Inverse solver set up
  parametricActivationInverse *hyperInv = new parametricActivationInverse;

  hyperInv->setBasis(spatialBasis, temporalBasis);

  hyperInv->setForwardInitialConditions(initialDisplacement, initialVelocity);

  hyperInv->setTimeStepper(ts);		 // set the timestepper

  hyperInv->setInitialGuess(alpha);// set the initial guess 

  hyperInv->setRegularizationParameter(beta);	// set the regularization paramter

  // hyperInv->setObservations(solvec); // set the data for the problem 

  hyperInv->init();	// initialize the inverse solver

  hyperInv->solve();

  Vec FinalSolution;
  hyperInv->getCurrentControl(FinalSolution);


  char fname[256];
  sprintf(fname, "%s.soln.%d.%d.raw",problemName, Ns, parFac );

  std::ofstream sol;
  if (!rank) {
    sol.open(fname, std::ios::binary);

    VecGetArray(FinalSolution, &avec);
    sol.write((char *)avec, numParams*sizeof(PetscScalar));
    VecRestoreArray(outvec, &avec);

    sol.close();
  }

  PetscFinalize();
}
コード例 #2
0
ファイル: ex192.c プロジェクト: masa-ito/PETScToPoisson
int main(int argc,char **args)
{
  Mat            A,RHS,C,F,X,S;
  Vec            u,x,b;
  Vec            xschur,bschur,uschur;
  IS             is_schur;
  PetscErrorCode ierr;
  PetscMPIInt    size;
  PetscInt       isolver=0,size_schur,m,n,nfact,nsolve,nrhs;
  PetscReal      norm,tol=PETSC_SQRT_MACHINE_EPSILON;
  PetscRandom    rand;
  PetscBool      data_provided,herm,symm,use_lu;
  PetscReal      sratio = 5.1/12.;
  PetscViewer    fd;              /* viewer */
  char           solver[256];
  char           file[PETSC_MAX_PATH_LEN]; /* input file name */

  PetscInitialize(&argc,&args,(char*)0,help);
  ierr = MPI_Comm_size(PETSC_COMM_WORLD, &size);CHKERRQ(ierr);
  if (size > 1) SETERRQ(PETSC_COMM_WORLD,1,"This is a uniprocessor test");
  /* Determine which type of solver we want to test for */
  herm = PETSC_FALSE;
  symm = PETSC_FALSE;
  ierr = PetscOptionsGetBool(NULL,NULL,"-symmetric_solve",&symm,NULL);CHKERRQ(ierr);
  ierr = PetscOptionsGetBool(NULL,NULL,"-hermitian_solve",&herm,NULL);CHKERRQ(ierr);
  if (herm) symm = PETSC_TRUE;

  /* Determine file from which we read the matrix A */
  ierr = PetscOptionsGetString(NULL,NULL,"-f",file,PETSC_MAX_PATH_LEN,&data_provided);CHKERRQ(ierr);
  if (!data_provided) { /* get matrices from PETSc distribution */
    sprintf(file,PETSC_DIR);
    ierr = PetscStrcat(file,"/share/petsc/datafiles/matrices/");CHKERRQ(ierr);
    if (symm) {
#if defined (PETSC_USE_COMPLEX)
      ierr = PetscStrcat(file,"hpd-complex-");CHKERRQ(ierr);
#else
      ierr = PetscStrcat(file,"spd-real-");CHKERRQ(ierr);
#endif
    } else {
#if defined (PETSC_USE_COMPLEX)
      ierr = PetscStrcat(file,"nh-complex-");CHKERRQ(ierr);
#else
      ierr = PetscStrcat(file,"ns-real-");CHKERRQ(ierr);
#endif
    }
#if defined(PETSC_USE_64BIT_INDICES)
    ierr = PetscStrcat(file,"int64-");CHKERRQ(ierr);
#else
    ierr = PetscStrcat(file,"int32-");CHKERRQ(ierr);
#endif
#if defined (PETSC_USE_REAL_SINGLE)
    ierr = PetscStrcat(file,"float32");CHKERRQ(ierr);
#else
    ierr = PetscStrcat(file,"float64");CHKERRQ(ierr);
#endif
  }
  /* Load matrix A */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);
  ierr = MatGetSize(A,&m,&n);CHKERRQ(ierr);
  if (m != n) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_SIZ, "This example is not intended for rectangular matrices (%d, %d)", m, n);

  /* Create dense matrix C and X; C holds true solution with identical colums */
  nrhs = 2;
  ierr = PetscOptionsGetInt(NULL,NULL,"-nrhs",&nrhs,NULL);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&C);CHKERRQ(ierr);
  ierr = MatSetSizes(C,m,PETSC_DECIDE,PETSC_DECIDE,nrhs);CHKERRQ(ierr);
  ierr = MatSetType(C,MATDENSE);CHKERRQ(ierr);
  ierr = MatSetFromOptions(C);CHKERRQ(ierr);
  ierr = MatSetUp(C);CHKERRQ(ierr);

  ierr = PetscRandomCreate(PETSC_COMM_WORLD,&rand);CHKERRQ(ierr);
  ierr = PetscRandomSetFromOptions(rand);CHKERRQ(ierr);
  ierr = MatSetRandom(C,rand);CHKERRQ(ierr);
  ierr = MatDuplicate(C,MAT_DO_NOT_COPY_VALUES,&X);CHKERRQ(ierr);

  /* Create vectors */
  ierr = VecCreate(PETSC_COMM_WORLD,&x);CHKERRQ(ierr);
  ierr = VecSetSizes(x,n,PETSC_DECIDE);CHKERRQ(ierr);
  ierr = VecSetFromOptions(x);CHKERRQ(ierr);
  ierr = VecDuplicate(x,&b);CHKERRQ(ierr);
  ierr = VecDuplicate(x,&u);CHKERRQ(ierr); /* save the true solution */

  ierr = PetscOptionsGetInt(NULL,NULL,"-solver",&isolver,NULL);CHKERRQ(ierr);
  switch (isolver) {
#if defined(PETSC_HAVE_MUMPS)
    case 0:
      ierr = PetscStrcpy(solver,MATSOLVERMUMPS);CHKERRQ(ierr);
      break;
#endif
#if defined(PETSC_HAVE_MKL_PARDISO)
    case 1:
      ierr = PetscStrcpy(solver,MATSOLVERMKL_PARDISO);CHKERRQ(ierr);
      break;
#endif
    default:
      ierr = PetscStrcpy(solver,MATSOLVERPETSC);CHKERRQ(ierr);
      break;
  }

#if defined (PETSC_USE_COMPLEX)
  if (isolver == 0 && symm && !data_provided) { /* MUMPS (5.0.0) does not have support for hermitian matrices, so make them symmetric */
    PetscScalar im = PetscSqrtScalar((PetscScalar)-1.);
    PetscScalar val = -1.0;
    val = val + im;
    ierr = MatSetValue(A,1,0,val,INSERT_VALUES);CHKERRQ(ierr);
    ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
    ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  }
#endif

  ierr = PetscOptionsGetReal(NULL,NULL,"-schur_ratio",&sratio,NULL);CHKERRQ(ierr);
  if (sratio < 0. || sratio > 1.) {
    SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_SIZ, "Invalid ratio for schur degrees of freedom %f", sratio);
  }
  size_schur = (PetscInt)(sratio*m);

  ierr = PetscPrintf(PETSC_COMM_SELF,"Solving with %s: nrhs %d, sym %d, herm %d, size schur %d, size mat %d\n",solver,nrhs,symm,herm,size_schur,m);CHKERRQ(ierr);

  /* Test LU/Cholesky Factorization */
  use_lu = PETSC_FALSE;
  if (!symm) use_lu = PETSC_TRUE;
#if defined (PETSC_USE_COMPLEX)
  if (isolver == 1) use_lu = PETSC_TRUE;
#endif

  if (herm && !use_lu) { /* test also conversion routines inside the solver packages */
    ierr = MatSetOption(A,MAT_SYMMETRIC,PETSC_TRUE);CHKERRQ(ierr);
    ierr = MatConvert(A,MATSEQSBAIJ,MAT_INPLACE_MATRIX,&A);CHKERRQ(ierr);
  }


  if (use_lu) {
    ierr = MatGetFactor(A,solver,MAT_FACTOR_LU,&F);CHKERRQ(ierr);
  } else {
    if (herm) {
      ierr = MatSetOption(A,MAT_SYMMETRIC,PETSC_TRUE);CHKERRQ(ierr);
      ierr = MatSetOption(A,MAT_SPD,PETSC_TRUE);CHKERRQ(ierr);
    } else {
      ierr = MatSetOption(A,MAT_SYMMETRIC,PETSC_TRUE);CHKERRQ(ierr);
      ierr = MatSetOption(A,MAT_SPD,PETSC_FALSE);CHKERRQ(ierr);
    }
    ierr = MatGetFactor(A,solver,MAT_FACTOR_CHOLESKY,&F);CHKERRQ(ierr);
  }
  ierr = ISCreateStride(PETSC_COMM_SELF,size_schur,m-size_schur,1,&is_schur);CHKERRQ(ierr);
  ierr = MatFactorSetSchurIS(F,is_schur);CHKERRQ(ierr);
  ierr = ISDestroy(&is_schur);CHKERRQ(ierr);
  if (use_lu) {
    ierr = MatLUFactorSymbolic(F,A,NULL,NULL,NULL);CHKERRQ(ierr);
  } else {
    ierr = MatCholeskyFactorSymbolic(F,A,NULL,NULL);CHKERRQ(ierr);
  }

  for (nfact = 0; nfact < 3; nfact++) {
    Mat AD;

    if (!nfact) {
      ierr = VecSetRandom(x,rand);CHKERRQ(ierr);
      if (symm && herm) {
        ierr = VecAbs(x);CHKERRQ(ierr);
      }
      ierr = MatDiagonalSet(A,x,ADD_VALUES);CHKERRQ(ierr);
    }
    if (use_lu) {
      ierr = MatLUFactorNumeric(F,A,NULL);CHKERRQ(ierr);
    } else {
      ierr = MatCholeskyFactorNumeric(F,A,NULL);CHKERRQ(ierr);
    }
    ierr = MatFactorCreateSchurComplement(F,&S);CHKERRQ(ierr);
    ierr = MatCreateVecs(S,&xschur,&bschur);CHKERRQ(ierr);
    ierr = VecDuplicate(xschur,&uschur);CHKERRQ(ierr);
    if (nfact == 1) {
      ierr = MatFactorInvertSchurComplement(F);CHKERRQ(ierr);
    }
    for (nsolve = 0; nsolve < 2; nsolve++) {
      ierr = VecSetRandom(x,rand);CHKERRQ(ierr);
      ierr = VecCopy(x,u);CHKERRQ(ierr);

      if (nsolve) {
        ierr = MatMult(A,x,b);CHKERRQ(ierr);
        ierr = MatSolve(F,b,x);CHKERRQ(ierr);
      } else {
        ierr = MatMultTranspose(A,x,b);CHKERRQ(ierr);
        ierr = MatSolveTranspose(F,b,x);CHKERRQ(ierr);
      }
      /* Check the error */
      ierr = VecAXPY(u,-1.0,x);CHKERRQ(ierr);  /* u <- (-1.0)x + u */
      ierr = VecNorm(u,NORM_2,&norm);CHKERRQ(ierr);
      if (norm > tol) {
        PetscReal resi;
        if (nsolve) {
          ierr = MatMult(A,x,u);CHKERRQ(ierr); /* u = A*x */
        } else {
          ierr = MatMultTranspose(A,x,u);CHKERRQ(ierr); /* u = A*x */
        }
        ierr = VecAXPY(u,-1.0,b);CHKERRQ(ierr);  /* u <- (-1.0)b + u */
        ierr = VecNorm(u,NORM_2,&resi);CHKERRQ(ierr);
        if (nsolve) {
          ierr = PetscPrintf(PETSC_COMM_SELF,"(f %d, s %d) MatSolve error: Norm of error %g, residual %f\n",nfact,nsolve,norm,resi);CHKERRQ(ierr);
        } else {
          ierr = PetscPrintf(PETSC_COMM_SELF,"(f %d, s %d) MatSolveTranspose error: Norm of error %g, residual %f\n",nfact,nsolve,norm,resi);CHKERRQ(ierr);
        }
      }
      ierr = VecSetRandom(xschur,rand);CHKERRQ(ierr);
      ierr = VecCopy(xschur,uschur);CHKERRQ(ierr);
      if (nsolve) {
        ierr = MatMult(S,xschur,bschur);CHKERRQ(ierr);
        ierr = MatFactorSolveSchurComplement(F,bschur,xschur);CHKERRQ(ierr);
      } else {
        ierr = MatMultTranspose(S,xschur,bschur);CHKERRQ(ierr);
        ierr = MatFactorSolveSchurComplementTranspose(F,bschur,xschur);CHKERRQ(ierr);
      }
      /* Check the error */
      ierr = VecAXPY(uschur,-1.0,xschur);CHKERRQ(ierr);  /* u <- (-1.0)x + u */
      ierr = VecNorm(uschur,NORM_2,&norm);CHKERRQ(ierr);
      if (norm > tol) {
        PetscReal resi;
        if (nsolve) {
          ierr = MatMult(S,xschur,uschur);CHKERRQ(ierr); /* u = A*x */
        } else {
          ierr = MatMultTranspose(S,xschur,uschur);CHKERRQ(ierr); /* u = A*x */
        }
        ierr = VecAXPY(uschur,-1.0,bschur);CHKERRQ(ierr);  /* u <- (-1.0)b + u */
        ierr = VecNorm(uschur,NORM_2,&resi);CHKERRQ(ierr);
        if (nsolve) {
          ierr = PetscPrintf(PETSC_COMM_SELF,"(f %d, s %d) MatFactorSolveSchurComplement error: Norm of error %g, residual %f\n",nfact,nsolve,norm,resi);CHKERRQ(ierr);
        } else {
          ierr = PetscPrintf(PETSC_COMM_SELF,"(f %d, s %d) MatFactorSolveSchurComplementTranspose error: Norm of error %g, residual %f\n",nfact,nsolve,norm,resi);CHKERRQ(ierr);
        }
      }
    }
    ierr = MatConvert(A,MATSEQAIJ,MAT_INITIAL_MATRIX,&AD);
    if (!nfact) {
      ierr = MatMatMult(AD,C,MAT_INITIAL_MATRIX,2.0,&RHS);CHKERRQ(ierr);
    } else {
      ierr = MatMatMult(AD,C,MAT_REUSE_MATRIX,2.0,&RHS);CHKERRQ(ierr);
    }
    ierr = MatDestroy(&AD);CHKERRQ(ierr);
    for (nsolve = 0; nsolve < 2; nsolve++) {
      ierr = MatMatSolve(F,RHS,X);CHKERRQ(ierr);

      /* Check the error */
      ierr = MatAXPY(X,-1.0,C,SAME_NONZERO_PATTERN);CHKERRQ(ierr);
      ierr = MatNorm(X,NORM_FROBENIUS,&norm);CHKERRQ(ierr);
      if (norm > tol) {
        ierr = PetscPrintf(PETSC_COMM_SELF,"(f %D, s %D) MatMatSolve: Norm of error %g\n",nfact,nsolve,norm);CHKERRQ(ierr);
      }
    }
    ierr = MatDestroy(&S);CHKERRQ(ierr);
    ierr = VecDestroy(&xschur);CHKERRQ(ierr);
    ierr = VecDestroy(&bschur);CHKERRQ(ierr);
    ierr = VecDestroy(&uschur);CHKERRQ(ierr);
  }
  /* Free data structures */
  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = MatDestroy(&C);CHKERRQ(ierr);
  ierr = MatDestroy(&F);CHKERRQ(ierr);
  ierr = MatDestroy(&X);CHKERRQ(ierr);
  ierr = MatDestroy(&RHS);CHKERRQ(ierr);
  ierr = PetscRandomDestroy(&rand);CHKERRQ(ierr);
  ierr = VecDestroy(&x);CHKERRQ(ierr);
  ierr = VecDestroy(&b);CHKERRQ(ierr);
  ierr = VecDestroy(&u);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return 0;
}
コード例 #3
0
int main( int argc, char **argv )
{
	Mat hmat,smat;
	PetscInt n=0,row,col, nev;
	PetscScalar number;	
	PetscViewer view;
	PetscBool flag;
	int ierr,i;
	char path[PETSC_MAX_PATH_LEN]="", temporary[PETSC_MAX_PATH_LEN]="";
	char infilename[PETSC_MAX_PATH_LEN]="", outfilename[PETSC_MAX_PATH_LEN]="";
	
	SlepcInitialize(&argc,&argv,(char*)0,help);
	
	ierr = PetscOptionsGetString(PETSC_NULL,"-in",infilename,PETSC_MAX_PATH_LEN-1,PETSC_NULL);CHKERRQ(ierr);
	ierr = PetscOptionsGetString(PETSC_NULL,"-out",outfilename,PETSC_MAX_PATH_LEN-1,PETSC_NULL);CHKERRQ(ierr);
	ierr = PetscOptionsGetInt(PETSC_NULL,"-n",&n,PETSC_NULL);CHKERRQ(ierr);
	
	ierr = PetscGetWorkingDirectory(path,PETSC_MAX_PATH_LEN);
	
	if ( strcmp(infilename, "") == 0 ||
		 strcmp(outfilename, "") == 0 ||
		 n == 0 ){
		SETERRQ(PETSC_COMM_WORLD,1,"Error in parameterlist.\nExample call: ./convertToPETScBin -in matrix.hmat -out matrix.dat -n 1912");			
	}
	
//	number = 2.0 + 3.0 * PETSC_i;	
//	PetscPrintf(PETSC_COMM_WORLD,"number: %g i%g\n", number);
//  std::cout << number
	PetscPrintf(PETSC_COMM_WORLD,"processing %s into %s\n", infilename, outfilename);
	
	ierr = MatCreateSeqAIJ(PETSC_COMM_WORLD,n,n,n,PETSC_NULL,&hmat);

	FILE *file;
	double real, imag;
	PetscScalar complex;
	PetscScalar myreal;
	
	strcat(temporary, path); strcat(temporary, "/"); strcat(temporary, infilename); strcpy(infilename, temporary);
	
	ierr   = PetscFOpen(PETSC_COMM_SELF,infilename,"r",&file);CHKERRQ(ierr);

	while ( fscanf(file,"%d %d %le %le\n",&row,&col,(double*)&real, (double*)&imag) != EOF ){
		row = row - 1; col = col -1; // adjustment
		
		if ( row == col ){
			complex = real /*+ imag*PETSC_i*/;
			ierr = MatSetValues(hmat,1,&row,1,&col,&complex,INSERT_VALUES);CHKERRQ(ierr);
		}else{
			complex = real /*+ imag*PETSC_i */;
			ierr = MatSetValues(hmat,1,&row,1,&col,&complex,INSERT_VALUES);CHKERRQ(ierr);
			complex = real /*- imag*PETSC_i */;
			ierr = MatSetValues(hmat,1,&col,1,&row,&complex,INSERT_VALUES);CHKERRQ(ierr);			
		}
			
	}
	
	fclose(file);
	ierr = MatAssemblyBegin(hmat,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
    ierr = MatAssemblyEnd(hmat,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);

	ierr = MatIsHermitian(hmat,0.00000000000001,&flag); CHKERRQ(ierr);
	if ( !flag ){
		SETERRQ(PETSC_COMM_WORLD,1,"Error. Output matrix is not hermitian.");
	}
	
// writing
	strcpy(temporary,"");
	strcat(temporary, path); strcat(temporary, "/"); strcat(temporary, outfilename); strcpy(outfilename, temporary);
	
	ierr = PetscViewerBinaryOpen(PETSC_COMM_SELF,outfilename,FILE_MODE_WRITE,&view);CHKERRQ(ierr);
	ierr = MatView(hmat,view);CHKERRQ(ierr);
	
	ierr = PetscViewersDestroy(&view);
	
	ierr = SlepcFinalize();CHKERRQ(ierr);
	return 0;
}
コード例 #4
0
ファイル: metos3d_bgc.c プロジェクト: neeljp/simpack
PetscErrorCode
Metos3DBGCTracerInit(Metos3D *metos3d)
{
    // load
    PetscInt    nvec    = metos3d->vectorLength;
    PetscInt    nvecloc = metos3d->vectorLengthLocal;
    // work vars
    PetscInt    ntracer, itracer;
    PetscInt    nmax;
    PetscBool   flag;
    char        initFileNameFormat  [PETSC_MAX_PATH_LEN];
    PetscFunctionBegin;
    // tracer count
    Metos3DUtilOptionsGetInt(metos3d, "-Metos3DTracerCount", &ntracer);
    metos3d->tracerCount = ntracer;
    // read tracer init options
    // order:
    // 1. file name format
    // 2. file names
    // 3. constant values
    PetscOptionsGetString(PETSC_NULL, "-Metos3DTracerInitFileFormat", initFileNameFormat, PETSC_MAX_PATH_LEN, &flag);
    if (flag == PETSC_TRUE) {
        // work vars
        char    tracerInputDirectory[PETSC_MAX_PATH_LEN];
        char    format              [PETSC_MAX_PATH_LEN];
        char    filePath            [PETSC_MAX_PATH_LEN];
        // input directory, vector, format
        Metos3DUtilOptionsGetString(metos3d, "-Metos3DTracerInputDirectory", tracerInputDirectory);
        Metos3DUtilVecCreateAndSetValue(metos3d, ntracer, nvec, nvecloc, &metos3d->y0, 0.0);
        Metos3DUtilFormatParse(metos3d, initFileNameFormat);
        for (itracer = 0; itracer < ntracer; itracer++)
        {
            sprintf(format, "%s%s", tracerInputDirectory, initFileNameFormat);
            sprintf(filePath, format, itracer);
            Metos3DUtilVectorLoad(metos3d, filePath, &metos3d->y0[itracer]);
        }
    } else {
        // work vars
        char    tracerInputDirectory[PETSC_MAX_PATH_LEN];
        char    *initFileNames      [PETSC_MAX_PATH_LEN];
        char    filePath            [PETSC_MAX_PATH_LEN];
        // file name
        nmax = ntracer;
        PetscOptionsGetStringArray(PETSC_NULL, "-Metos3DTracerInitFile", initFileNames, &nmax, &flag);
        if (flag == PETSC_TRUE)
        {
            // input directory, vector, file name
            Metos3DUtilOptionsGetString(metos3d, "-Metos3DTracerInputDirectory", tracerInputDirectory);
            Metos3DUtilVecCreateAndSetValue(metos3d, ntracer, nvec, nvecloc, &metos3d->y0, 0.0);
            for (itracer = 0; itracer < ntracer; itracer++)
            {
                sprintf(filePath, "%s%s", tracerInputDirectory, initFileNames[itracer]);                
                Metos3DUtilVectorLoad(metos3d, filePath, &metos3d->y0[itracer]);
                PetscFree(initFileNames[itracer]);
            }
        }
        else
        {
            // work vars
            PetscReal   *y0value;
            // value
            nmax = ntracer;
            PetscMalloc(nmax*sizeof(PetscReal),&y0value);
            // array, vector
            Metos3DUtilOptionsGetRealArray(metos3d, "-Metos3DTracerInitValue", &nmax, y0value);
            Metos3DUtilVecCreateAndSetValues(metos3d, ntracer, nvec, nvecloc, &metos3d->y0, y0value);
            PetscFree(y0value);
        }
    }
    // create work vectors
    Metos3DUtilVecCreateAndSetValue(metos3d, 1, ntracer*nvec, ntracer*nvecloc, &metos3d->ybgcinBD, 0.0);
    Metos3DUtilVecCreateAndSetValue(metos3d, 1, ntracer*nvec, ntracer*nvecloc, &metos3d->ybgcoutBD, 0.0);
    Metos3DDebug(metos3d, kDebugLevel, "Metos3DBGCTracerInit\n");
    PetscFunctionReturn(0);
}
コード例 #5
0
ファイル: ex9.c プロジェクト: tom-klotz/petsc
int main(int argc,char **args)
{
  Mat            A[3],B;                       /* matrix */
  PetscViewer    fd;                      /* viewer */
  char           file[PETSC_MAX_PATH_LEN];            /* input file name */
  PetscErrorCode ierr;
  PetscBool      flg;
  Vec            x,y,z,work;
  PetscReal      rnorm;

  ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
  /*
     Determine files from which we read the two linear systems
     (matrix and right-hand-side vector).
  */
  ierr = PetscOptionsGetString(NULL,NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_COMM_WORLD,1,"Must indicate binary file with the -f option");

  /*
     Open binary file.  Note that we use FILE_MODE_READ to indicate
     reading from this file.
  */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);

  /*
     Load the matrix; then destroy the viewer.
  */
  ierr = MatCreate(PETSC_COMM_WORLD,&A[0]);CHKERRQ(ierr);
  ierr = MatLoad(A[0],fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);

  ierr = MatDuplicate(A[0],MAT_COPY_VALUES,&A[1]);CHKERRQ(ierr);
  ierr = MatDuplicate(A[0],MAT_COPY_VALUES,&A[2]);CHKERRQ(ierr);
  ierr = MatShift(A[1],1.0);CHKERRQ(ierr);
  ierr = MatShift(A[1],2.0);CHKERRQ(ierr);

  ierr = MatCreateVecs(A[0],&x,&y);CHKERRQ(ierr);
  ierr = VecDuplicate(y,&work);CHKERRQ(ierr);
  ierr = VecDuplicate(y,&z);CHKERRQ(ierr);

  ierr = VecSet(x,1.0);CHKERRQ(ierr);
  ierr = MatMult(A[0],x,z);CHKERRQ(ierr);
  ierr = MatMultAdd(A[1],x,z,z);CHKERRQ(ierr);
  ierr = MatMultAdd(A[2],x,z,z);CHKERRQ(ierr);

  ierr = MatCreateComposite(PETSC_COMM_WORLD,3,A,&B);CHKERRQ(ierr);
  ierr = MatMult(B,x,y);CHKERRQ(ierr);
  ierr = MatDestroy(&B);CHKERRQ(ierr);
  ierr = VecAXPY(y,-1.0,z);CHKERRQ(ierr);
  ierr = VecNorm(y,NORM_2,&rnorm);CHKERRQ(ierr);
  if (rnorm > 1.e-10) {
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Error with composite add %g\n",(double)rnorm);CHKERRQ(ierr);
  }

  ierr = MatCreateComposite(PETSC_COMM_WORLD,3,A,&B);CHKERRQ(ierr);
  ierr = MatCompositeMerge(B);CHKERRQ(ierr);
  ierr = MatMult(B,x,y);CHKERRQ(ierr);
  ierr = MatDestroy(&B);CHKERRQ(ierr);
  ierr = VecAXPY(y,-1.0,z);CHKERRQ(ierr);
  ierr = VecNorm(y,NORM_2,&rnorm);CHKERRQ(ierr);
  if (rnorm > 1.e-10) {
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Error with composite add after merge %g\n",(double)rnorm);CHKERRQ(ierr);
  }

  ierr = VecSet(x,1.0);CHKERRQ(ierr);
  ierr = MatMult(A[0],x,z);CHKERRQ(ierr);
  ierr = MatMult(A[1],z,work);CHKERRQ(ierr);
  ierr = MatMult(A[2],work,z);CHKERRQ(ierr);

  ierr = MatCreateComposite(PETSC_COMM_WORLD,3,A,&B);CHKERRQ(ierr);
  ierr = MatCompositeSetType(B,MAT_COMPOSITE_MULTIPLICATIVE);CHKERRQ(ierr);
  ierr = MatMult(B,x,y);CHKERRQ(ierr);
  ierr = MatDestroy(&B);CHKERRQ(ierr);
  ierr = VecAXPY(y,-1.0,z);CHKERRQ(ierr);
  ierr = VecNorm(y,NORM_2,&rnorm);CHKERRQ(ierr);
  if (rnorm > 1.e-10) {
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Error with composite multiplicative %g\n",(double)rnorm);CHKERRQ(ierr);
  }

  ierr = MatCreateComposite(PETSC_COMM_WORLD,3,A,&B);CHKERRQ(ierr);
  ierr = MatCompositeSetType(B,MAT_COMPOSITE_MULTIPLICATIVE);CHKERRQ(ierr);
  ierr = MatCompositeMerge(B);CHKERRQ(ierr);
  ierr = MatMult(B,x,y);CHKERRQ(ierr);
  ierr = MatDestroy(&B);CHKERRQ(ierr);
  ierr = VecAXPY(y,-1.0,z);CHKERRQ(ierr);
  ierr = VecNorm(y,NORM_2,&rnorm);CHKERRQ(ierr);
  if (rnorm > 1.e-10) {
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Error with composite multiplicative after merge %g\n",(double)rnorm);CHKERRQ(ierr);
  }

  /*
     Free work space.  All PETSc objects should be destroyed when they
     are no longer needed.
  */
  ierr = VecDestroy(&x);CHKERRQ(ierr);
  ierr = VecDestroy(&y);CHKERRQ(ierr);
  ierr = VecDestroy(&work);CHKERRQ(ierr);
  ierr = VecDestroy(&z);CHKERRQ(ierr);
  ierr = MatDestroy(&A[0]);CHKERRQ(ierr);
  ierr = MatDestroy(&A[1]);CHKERRQ(ierr);
  ierr = MatDestroy(&A[2]);CHKERRQ(ierr);

  ierr = PetscFinalize();
  return ierr;
}
コード例 #6
0
PetscErrorCode BSSCR_DRIVER_auglag( KSP ksp, Mat stokes_A, Vec stokes_x, Vec stokes_b, Mat approxS,
                                          MatStokesBlockScaling BA, PetscTruth sym, KSP_BSSCR * bsscrp_self )
{
    AugLagStokes_SLE *    stokesSLE = (AugLagStokes_SLE*)bsscrp_self->solver->st_sle;
    PetscTruth uzawastyle, KisJustK=PETSC_TRUE, restorek, change_A11rhspresolve;
    PetscTruth usePreviousGuess, useNormInfStoppingConditions, useNormInfMonitor, found, forcecorrection;
    PetscTruth change_backsolve, mg_active;
    PetscErrorCode ierr;
    //PetscInt monitor_index;
    PetscInt max_it,min_it;
    KSP ksp_inner, ksp_S, ksp_new_inner;
    PC pc_S, pcInner;
    Mat K,G,D,C, S, K2;// Korig;
    Vec u,p,f,f2=0,f3=0,h, h_hat,t;
    MGContext mgCtx;
    double mgSetupTime, scrSolveTime, a11SingleSolveTime, penaltyNumber;// hFactor;
    static int been_here = 0;  /* Ha Ha Ha !! */

    char name[PETSC_MAX_PATH_LEN];
    char matname[PETSC_MAX_PATH_LEN];
    char suffix[PETSC_MAX_PATH_LEN];
    char str[PETSC_MAX_PATH_LEN];
    PetscTruth flg, extractMats;
    PetscLogDouble flopsA,flopsB;

    /***************************************************************************************************************/
    /***************************************************************************************************************/
    //if( bsscrp_self->solver->st_sle->context->loadFromCheckPoint ){
    //    been_here=1;
    //}
    /* get sub matrix / vector objects */
    /* note that here, the matrix D should always exist. It is set up in  _StokesBlockKSPInterface_Solve in StokesBlockKSPInterface.c */
    /* now extract K,G etc from a MatNest object */
    MatNestGetSubMat( stokes_A, 0,0, &K );
    MatNestGetSubMat( stokes_A, 0,1, &G );
    MatNestGetSubMat( stokes_A, 1,0, &D );if(!D){ PetscPrintf( PETSC_COMM_WORLD, "D does not exist but should!!\n"); exit(1); }
    MatNestGetSubMat( stokes_A, 1,1, &C );  
    VecNestGetSubVec( stokes_x, 0, &u );
    VecNestGetSubVec( stokes_x, 1, &p );
    VecNestGetSubVec( stokes_b, 0, &f );
    VecNestGetSubVec( stokes_b, 1, &h );
    
    PetscPrintf( PETSC_COMM_WORLD,  "\n\n----------  AUGMENTED LAGRANGIAN K2 METHOD ---------\n\n" );
    PetscPrintf( PETSC_COMM_WORLD,      "----------- Penalty = %f\n\n", bsscrp_self->solver->penaltyNumber );
    sprintf(suffix,"%s","x");

    PetscOptionsGetString( PETSC_NULL, "-matsuffix", suffix, PETSC_MAX_PATH_LEN-1, &extractMats );

    flg=0;
    PetscOptionsGetString( PETSC_NULL, "-matdumpdir", name, PETSC_MAX_PATH_LEN-1, &flg );
    if(flg){
        sprintf(str,"%s/",name); sprintf(matname,"K%s",suffix);
        bsscr_dirwriteMat( K, matname,str, "Writing K matrix in al Solver");
        sprintf(str,"%s/",name); sprintf(matname,"G%s",suffix);
        bsscr_dirwriteMat( G, matname,str, "Writing G matrix in al Solver");
        sprintf(str,"%s/",name); sprintf(matname,"D%s",suffix);
        bsscr_dirwriteMat( D, matname,str, "Writing D matrix in al Solver");
        sprintf(str,"%s/",name); sprintf(matname,"f%s",suffix);
        bsscr_dirwriteVec( f, matname,str, "Writing f vector in al Solver");
        sprintf(str,"%s/",name); sprintf(matname,"h%s",suffix);
        bsscr_dirwriteVec( h, matname,str, "Writing h vector in al Solver");
        sprintf(str,"%s/",name); sprintf(matname,"Shat%s",suffix);
        bsscr_dirwriteMat( approxS, matname,str, "Writing Shat matrix in al Solver");
        if(C){
          sprintf(str,"%s/",name); sprintf(matname,"C%s",suffix);
          bsscr_dirwriteMat( C, matname,str, "Writing C matrix in al Solver");
        }
    }

    mg_active=PETSC_TRUE;
    PetscOptionsGetTruth( PETSC_NULL ,"-A11_mg_active", &mg_active, &found );
    bsscrp_self->solver->mg_active=mg_active;

    penaltyNumber = bsscrp_self->solver->penaltyNumber;
    //hFactor = stokesSLE->hFactor;
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /******  GET K2   ****************************************************************************************/
    if(penaltyNumber > 1e-10 && bsscrp_self->k2type){
        flg=0;
        PetscOptionsGetString( PETSC_NULL, "-matdumpdir", name, PETSC_MAX_PATH_LEN-1, &flg );
        if(flg){
            sprintf(str,"%s/",name);   sprintf(matname,"K2%s",suffix);
            bsscr_dirwriteMat( bsscrp_self->K2, matname,str, "Writing K2 matrix in al Solver");
        }
        K2=bsscrp_self->K2;
        scrSolveTime = MPI_Wtime();
        ierr=MatAXPY(K,penaltyNumber,K2,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);/* Computes K = penaltyNumber*K2 + K */
        scrSolveTime =  MPI_Wtime() - scrSolveTime;
        PetscPrintf( PETSC_COMM_WORLD, "\n\t* K+p*K2 in time: %lf seconds\n\n", scrSolveTime);
        KisJustK=PETSC_FALSE;
        forcecorrection=PETSC_TRUE;
        PetscOptionsGetTruth( PETSC_NULL ,"-force_correction", &forcecorrection, &found );
        if(forcecorrection){
            if(bsscrp_self->f2 && forcecorrection){ 
                f2=bsscrp_self->f2;
                ierr=VecAXPY(f,penaltyNumber,f2);/*  f <- f +a*f2 */
            }else{
                switch (bsscrp_self->k2type) {
                case (K2_GG):
                {
                    VecDuplicate( u, &f3 );
                    MatMult( G, h, f3);   ierr=VecAXPY(f,penaltyNumber,f3);/*  f <- f +a*f2 */
                }
                break;
                case (K2_GMG):
                {
                    Mat M;
                    Vec Mdiag;
                    VecDuplicate( u, &f3 );
                    M = bsscrp_self->solver->mStiffMat->matrix;
                    MatGetVecs( M, &Mdiag, PETSC_NULL );
                    MatGetDiagonal( M, Mdiag );
                    VecReciprocal(Mdiag);
                    VecPointwiseMult(Mdiag,Mdiag,h);
                    MatMult( G, Mdiag, f3);   ierr=VecAXPY(f,penaltyNumber,f3);/*  f <- f +a*f2 */
                    Stg_VecDestroy(&Mdiag);
                }
                break;
                case (K2_DGMGD):
                {
                    Mat M;
                    Vec Mdiag;
                    VecDuplicate( u, &f3 );
                    M = bsscrp_self->solver->mStiffMat->matrix;
                    MatGetVecs( M, &Mdiag, PETSC_NULL );
                    MatGetDiagonal( M, Mdiag );
                    VecReciprocal(Mdiag);
                    VecPointwiseMult(Mdiag,Mdiag,h);
                    MatMult( G, Mdiag, f3);   ierr=VecAXPY(f,penaltyNumber,f3);/*  f <- f +a*f2 */
                    Stg_VecDestroy(&Mdiag);
                }
                break;
                case (K2_NULL):
                {
                    ;
                }
                break;
                case (K2_SLE):
                {
                    ;
                }
                break;
                }
            }
        }
    }

    /* Create Schur complement matrix */
    MatCreateSchurComplement(K,K,G,D,C, &S);
    MatSchurComplementGetKSP( S, &ksp_inner);
    KSPGetPC( ksp_inner, &pcInner );
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /*********    SET PREFIX FOR INNER/VELOCITY KSP    *************************************************************/
    KSPSetOptionsPrefix( ksp_inner, "A11_" );
    KSPSetFromOptions( ksp_inner );
    Stg_KSPSetOperators(ksp_inner, K, K, DIFFERENT_NONZERO_PATTERN);

    useNormInfStoppingConditions = PETSC_FALSE;
    PetscOptionsGetTruth( PETSC_NULL ,"-A11_use_norm_inf_stopping_condition", &useNormInfStoppingConditions, &found );
    if(useNormInfStoppingConditions) 
        BSSCR_KSPSetNormInfConvergenceTest( ksp_inner ); 

    useNormInfMonitor = PETSC_FALSE; 
    PetscOptionsGetTruth( PETSC_NULL, "-A11_ksp_norm_inf_monitor", &useNormInfMonitor, &found );
    if(useNormInfMonitor)  KSPMonitorSet( ksp_inner, BSSCR_KSPNormInfMonitor, PETSC_NULL, PETSC_NULL );

    useNormInfMonitor = PETSC_FALSE; 
    PetscOptionsGetTruth( PETSC_NULL, "-A11_ksp_norm_inf_to_norm_2_monitor", &useNormInfMonitor, &found );
    if(useNormInfMonitor)  KSPMonitorSet( ksp_inner, BSSCR_KSPNormInfToNorm2Monitor, PETSC_NULL, PETSC_NULL );
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /* If multigrid is enabled, set it now. */
    change_A11rhspresolve = PETSC_FALSE; 
    PetscOptionsGetTruth( PETSC_NULL, "-change_A11rhspresolve", &change_A11rhspresolve, &found );

    if(bsscrp_self->solver->mg_active && !change_A11rhspresolve) { mgSetupTime=setupMG( bsscrp_self, ksp_inner, pcInner, K, &mgCtx ); }
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /* create right hand side */
    if(change_A11rhspresolve){
      //Stg_KSPDestroy(&ksp_inner );
      KSPCreate(PETSC_COMM_WORLD, &ksp_new_inner);
      Stg_KSPSetOperators(ksp_new_inner, K, K, DIFFERENT_NONZERO_PATTERN);
      KSPSetOptionsPrefix(ksp_new_inner, "rhsA11_");
      MatSchurComplementSetKSP( S, ksp_new_inner );/* this call destroys the ksp_inner that is already set on S */
      ksp_inner=ksp_new_inner;
      KSPGetPC( ksp_inner, &pcInner );
      KSPSetFromOptions(ksp_inner); /* make sure we are setting up our solver how we want it */
    }
    MatGetVecs( S, PETSC_NULL, &h_hat );
    Vec f_tmp;
    /* It may be the case that the current velocity solution might not be bad guess for f_tmp? <-- maybe not */
    MatGetVecs( K, PETSC_NULL, &f_tmp );
    scrSolveTime = MPI_Wtime();
    KSPSolve(ksp_inner, f, f_tmp);
    scrSolveTime =  MPI_Wtime() - scrSolveTime;
    PetscPrintf( PETSC_COMM_WORLD, "\n\t*  KSPSolve for RHS setup Finished in time: %lf seconds\n\n", scrSolveTime);
    MatMult(D, f_tmp, h_hat);
    VecAYPX(h_hat, -1.0, h); /* Computes y = x + alpha y.  h_hat -> h - Gt*K^(-1)*f*/
    Stg_VecDestroy(&f_tmp);

    if(bsscrp_self->solver->mg_active && change_A11rhspresolve) {
      //Stg_KSPDestroy(&ksp_inner );
      KSPCreate(PETSC_COMM_WORLD, &ksp_new_inner);
      Stg_KSPSetOperators(ksp_new_inner, K, K, DIFFERENT_NONZERO_PATTERN);
      KSPSetOptionsPrefix( ksp_new_inner, "A11_" );
      MatSchurComplementSetKSP( S, ksp_new_inner );
      ksp_inner=ksp_new_inner;
      //MatSchurSetKSP( S, ksp_inner );
      KSPGetPC( ksp_inner, &pcInner );
      KSPSetFromOptions( ksp_inner );
      mgSetupTime=setupMG( bsscrp_self, ksp_inner, pcInner, K, &mgCtx ); 
    }
    /* create solver for S p = h_hat */
    KSPCreate( PETSC_COMM_WORLD, &ksp_S );
    KSPSetOptionsPrefix( ksp_S, "scr_");
    /* By default use the UW approxS Schur preconditioner -- same as the one used by the Uzawa solver */
    /* Note that if scaling is activated then the approxS matrix has been scaled already */
    /* so no need to rebuild in the case of scaling as we have been doing */
    if(!approxS){ PetscPrintf( PETSC_COMM_WORLD,  "WARNING approxS is NULL\n"); }
    Stg_KSPSetOperators( ksp_S, S, S, SAME_NONZERO_PATTERN );
    KSPSetType( ksp_S, "cg" );
    KSPGetPC( ksp_S, &pc_S );
    BSSCR_BSSCR_StokesCreatePCSchur2( K,G,D,C,approxS, pc_S, sym, bsscrp_self );

    flg=0;
    PetscOptionsGetString( PETSC_NULL, "-NN", name, PETSC_MAX_PATH_LEN-1, &flg );
    if(flg){
      Mat Smat, Pmat;                                                                                                 
      //MatStructure mstruct;  
      Stg_PCGetOperators( pc_S, &Smat, &Pmat, NULL );
      sprintf(str,"%s/",name); sprintf(matname,"Pmat%s",suffix);
      bsscr_dirwriteMat( Pmat, matname,str, "Writing Pmat matrix in al Solver");
    }
   
    uzawastyle=PETSC_FALSE;
    PetscOptionsGetTruth( PETSC_NULL, "-uzawa_style", &uzawastyle, &found );
    if(uzawastyle){
        /* now want to set up the ksp_S->pc to be of type ksp (gmres) by default to match Uzawa */
        KSP pc_ksp;
        KSPGetPC( ksp_S, &pc_S );
        PCSetType(pc_S,PCKSP);
        PCKSPGetKSP( pc_S, &pc_ksp);
        KSPSetType(pc_ksp, "gmres" );
        KSPSetOptionsPrefix( pc_ksp, "scrPCKSP_");
        KSPSetFromOptions( pc_ksp );
    }
    KSPSetFromOptions( ksp_S );
    /* Set specific monitor test */
    KSPGetTolerances( ksp_S, PETSC_NULL, PETSC_NULL, PETSC_NULL, &max_it );
    // Weirdness with petsc 3.2 here...look at it later
    //BSSCR_KSPLogSetMonitor( ksp_S, max_it, &monitor_index );

    /***************************************************************************************************************/
    /* Pressure / Velocity Solve */     
    /***************************************************************************************************************/
    PetscPrintf( PETSC_COMM_WORLD, "\t* Pressure / Velocity Solve \n");
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    usePreviousGuess = PETSC_FALSE; 
    if(been_here)
        PetscOptionsGetTruth( PETSC_NULL, "-scr_use_previous_guess", &usePreviousGuess, &found );
    if(usePreviousGuess) {   /* Note this should actually look at checkpoint information */
        KSPSetInitialGuessNonzero( ksp_S, PETSC_TRUE ); }
    else {
        KSPSetInitialGuessNonzero( ksp_S, PETSC_FALSE ); }
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /*******     SET CONVERGENCE TESTS     *************************************************************************/
    useNormInfStoppingConditions = PETSC_FALSE;
    PetscOptionsGetTruth( PETSC_NULL ,"-scr_use_norm_inf_stopping_condition", &useNormInfStoppingConditions, &found );
    if(useNormInfStoppingConditions) 
        BSSCR_KSPSetNormInfConvergenceTest(ksp_S); 

    useNormInfMonitor = PETSC_FALSE; 
    PetscOptionsGetTruth( PETSC_NULL, "-scr_ksp_norm_inf_monitor", &useNormInfMonitor, &found );
    if(useNormInfMonitor) 
        KSPMonitorSet( ksp_S, BSSCR_KSPNormInfToNorm2Monitor, PETSC_NULL, PETSC_NULL );
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /*******   PRESSURE SOLVE   ************************************************************************************/
    PetscPrintf( PETSC_COMM_WORLD, "\t* KSPSolve( ksp_S, h_hat, p )\n");
    /* if h_hat needs to be fixed up ..take out any nullspace vectors here */
    /* we want to check that there is no "noise" in the null-space in the h vector */
    /* this causes problems when we are trying to solve a Jacobian system when the Residual is almost converged */
    if(bsscrp_self->check_pressureNS){
        bsscrp_self->buildPNS(ksp);/* build and set nullspace vectors on bsscr - which is on ksp (function pointer is set in KSPSetUp_BSSCR) */
    }

    PetscScalar hnorm, gnorm;
    MatNorm(G,NORM_INFINITY,&gnorm);
    VecNorm(h_hat, NORM_2, &hnorm);
    hnorm=hnorm/gnorm;

    if((hnorm < 1e-6) && (hnorm > 1e-20)){
        VecScale(h_hat,1.0/hnorm);
    }
    /* test to see if v or t are in nullspace of G and orthogonalize wrt h_hat if needed */
    KSPRemovePressureNullspace_BSSCR(ksp, h_hat);
    /* set convergence test to use min_it */
    found = PETSC_FALSE;
    min_it = 0;
    PetscOptionsGetInt( PETSC_NULL,"-scr_ksp_set_min_it_converge", &min_it, &found);
    if(found && min_it > 0){
        BSSCR_KSPSetConvergenceMinIts(ksp_S, min_it, bsscrp_self);
    }

    /** Pressure Solve **/
    PetscGetFlops(&flopsA);
    scrSolveTime = MPI_Wtime();
    KSPSolve( ksp_S, h_hat, p );
    scrSolveTime =  MPI_Wtime() - scrSolveTime;
    PetscGetFlops(&flopsB);
    PetscPrintf( PETSC_COMM_WORLD, "\n\t* KSPSolve( ksp_S, h_hat, p )  Solve Finished in time: %lf seconds\n\n", scrSolveTime);
    bsscrp_self->solver->stats.pressure_time=scrSolveTime;
    bsscrp_self->solver->stats.pressure_flops=(double)(flopsB-flopsA);

    /***************************************/
    if((hnorm < 1e-6) && (hnorm > 1e-20)){
        VecScale(h_hat,hnorm);
        VecScale(p,hnorm);
    }
    KSPRemovePressureNullspace_BSSCR(ksp, p);

    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /* restore K and f for the Velocity back solve */
    found = PETSC_FALSE;
    restorek = PETSC_FALSE;
    PetscOptionsGetTruth( PETSC_NULL, "-restore_K", &restorek, &found);
    //PetscOptionsGetString( PETSC_NULL, "-restore_K", name, PETSC_MAX_PATH_LEN-1, &flg );
    if(penaltyNumber > 1e-10 && bsscrp_self->k2type){
        if(restorek){
            penaltyNumber = -penaltyNumber;
            if(f2) { ierr=VecAXPY(f,penaltyNumber,f2); }/*  f <- f +a*f2 */
            if(f3) { ierr=VecAXPY(f,penaltyNumber,f3); }/*  f <- f +a*f3 */
            ierr=MatAXPY(K,penaltyNumber,K2,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);/* Computes K = penaltyNumber*K2 + K */
            //K=Korig;
            Stg_KSPSetOperators(ksp_inner, K, K, DIFFERENT_NONZERO_PATTERN);
            KisJustK=PETSC_TRUE;          
        }      
    }
    if(f3){ Stg_VecDestroy(&f3 ); } /* always destroy this local vector if was created */

    /* obtain solution for u */
    VecDuplicate( u, &t );   MatMult( G, p, t);  VecAYPX( t, -1.0, f ); /*** t <- -t + f   = f - G*p  ***/
    MatSchurComplementGetKSP( S, &ksp_inner );
    a11SingleSolveTime = MPI_Wtime();           /* ----------------------------------  Final V Solve */
    if(usePreviousGuess) KSPSetInitialGuessNonzero( ksp_inner, PETSC_TRUE );

    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /*******   VELOCITY SOLVE   ************************************************************************************/
    /** Easier to just create a new KSP here if we want to do backsolve diffferently. (getting petsc errors now when switching from fgmres) */
    change_backsolve=PETSC_FALSE;
    PetscOptionsGetTruth( PETSC_NULL, "-change_backsolve", &change_backsolve, &found );
    if(change_backsolve){
      //Stg_KSPDestroy(&ksp_inner );
      KSPCreate(PETSC_COMM_WORLD, &ksp_new_inner);
      Stg_KSPSetOperators(ksp_new_inner, K, K, DIFFERENT_NONZERO_PATTERN);
      KSPSetOptionsPrefix(ksp_new_inner, "backsolveA11_");
      KSPSetFromOptions(ksp_new_inner); /* make sure we are setting up our solver how we want it */
      MatSchurComplementSetKSP( S, ksp_new_inner );/* need to give the Schur it's inner ksp back for when we destroy it at end */
      ksp_inner=ksp_new_inner;
    }

    PetscGetFlops(&flopsA);
    KSPSolve(ksp_inner, t, u);         /* Solve, then restore default tolerance and initial guess */
    PetscGetFlops(&flopsB);
    bsscrp_self->solver->stats.velocity_backsolve_flops=(double)(flopsB-flopsA);
    a11SingleSolveTime = MPI_Wtime() - a11SingleSolveTime;              /* ------------------ Final V Solve */
    bsscrp_self->solver->stats.velocity_backsolve_time=a11SingleSolveTime;

    flg=0;
    PetscOptionsGetString( PETSC_NULL, "-solutiondumpdir", name, PETSC_MAX_PATH_LEN-1, &flg );
    if(flg){
        sprintf(str,"%s/",name); sprintf(matname,"p%s",suffix);
        bsscr_dirwriteVec( p, matname,str, "Writing p vector in al Solver");
        sprintf(str,"%s/",name); sprintf(matname,"u%s",suffix);
        bsscr_dirwriteVec( u, matname,str, "Writing u vector in al Solver");
        sprintf(str,"%s/",name); sprintf(matname,"h_hat%s",suffix);
        bsscr_dirwriteVec( h_hat, matname,str, "Writing h_hat vector in al Solver");

    }

    found = PETSC_FALSE;
    restorek = PETSC_FALSE;
    PetscOptionsGetTruth( PETSC_NULL, "-restore_K_after_solve", &restorek, &found);
    if(penaltyNumber > 1e-10 && bsscrp_self->k2type){
        if(restorek){
            penaltyNumber = -penaltyNumber;
            ierr=MatAXPY(K,penaltyNumber,K2,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);/* Computes K = penaltyNumber*K2 + K */
            KisJustK=PETSC_TRUE;          
        }      
    }
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    /******     SOLUTION SUMMARY      ******************************************************************************/
    bsscr_summary(bsscrp_self,ksp_S,ksp_inner,K,K2,D,G,C,u,p,f,h,t,penaltyNumber,KisJustK, mgSetupTime, scrSolveTime, a11SingleSolveTime);
    //bsscr_summary(bsscrp_self,ksp_S,ksp_inner,K,Korig,K2,D,G,C,u,p,f,h,t,penaltyNumber,KisJustK, mgSetupTime, scrSolveTime, a11SingleSolveTime);
    /***************************************************************************************************************/
    /***************************************************************************************************************/
    Stg_VecDestroy(&t );
    Stg_KSPDestroy(&ksp_S );
    Stg_VecDestroy(&h_hat );
    Stg_MatDestroy(&S );//This will destroy ksp_inner: also.. pcInner == pc_MG and is destroyed when ksp_inner is 
    been_here = 1;
    PetscFunctionReturn(0);
}
コード例 #7
0
int main(int argc,char **args)
{
  Mat            A,B;
  PetscErrorCode ierr;
  char           file[PETSC_MAX_PATH_LEN];
  PetscBool      flg;
  PetscViewer    fd;
  MatType        type = MATMPIBAIJ;

  PetscInitialize(&argc,&args,(char*)0,help);
  ierr = PetscOptionsHasName(NULL,"-aij",&flg);CHKERRQ(ierr);
  if (flg) type = MATMPIAIJ;

  ierr = PetscOptionsGetString(NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_COMM_WORLD,1,"Must indicate binary file with the -f option");

  /*
     Open binary file.  Note that we use FILE_MODE_READ to indicate
     reading from this file.
  */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);

  /*
     Load the matrix; then destroy the viewer.
  */
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatSetType(A,type);CHKERRQ(ierr);
  ierr = MatSetFromOptions(A);CHKERRQ(ierr);
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);

  /*
     Open another binary file.  Note that we use FILE_MODE_WRITE to indicate
     reading from this file.
  */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,"fileoutput",FILE_MODE_WRITE,&fd);CHKERRQ(ierr);
  ierr = PetscViewerBinarySetFlowControl(fd,3);CHKERRQ(ierr);
  /*
     Save the matrix and vector; then destroy the viewer.
  */
  ierr = MatView(A,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);

  /* load the new matrix */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,"fileoutput",FILE_MODE_READ,&fd);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&B);CHKERRQ(ierr);
  ierr = MatSetType(B,type);CHKERRQ(ierr);
  ierr = MatSetFromOptions(B);CHKERRQ(ierr);
  ierr = MatLoad(B,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);

  ierr = MatEqual(A,B,&flg);CHKERRQ(ierr);
  if (flg) {
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Matrices are equal\n");CHKERRQ(ierr);
  } else {
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Matrices are not equal\n");CHKERRQ(ierr);
  }

  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = MatDestroy(&B);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return 0;
}
コード例 #8
0
ファイル: dlregisdm.c プロジェクト: erdc-cm/petsc-dev
EXTERN_C_END
#endif

#undef __FUNCT__
#define __FUNCT__ "DMInitializePackage"
/*@C
  DMInitializePackage - This function initializes everything in the DM package. It is called
  from PetscDLLibraryRegister() when using dynamic libraries, and on the first call to AOCreate()
  or DMDACreate() when using static libraries.

  Input Parameter:
  path - The dynamic library path, or PETSC_NULL

  Level: developer

.keywords: AO, initialize, package
.seealso: PetscInitialize()
@*/
PetscErrorCode  DMInitializePackage(const char path[])
{
  char              logList[256];
  char              *className;
  PetscBool         opt;
  PetscErrorCode    ierr;

  PetscFunctionBegin;
  if (DMPackageInitialized) PetscFunctionReturn(0);
  DMPackageInitialized = PETSC_TRUE;

  /* Register Classes */
  ierr = PetscClassIdRegister("Distributed Mesh",&DM_CLASSID);CHKERRQ(ierr);
#ifdef PETSC_HAVE_SIEVE
  ierr = PetscClassIdRegister("SectionReal",&SECTIONREAL_CLASSID);CHKERRQ(ierr);
  ierr = PetscClassIdRegister("SectionInt",&SECTIONINT_CLASSID);CHKERRQ(ierr);
#endif

#if defined(PETSC_HAVE_HYPRE)
  ierr = MatRegisterDynamic(MATHYPRESTRUCT,    path,"MatCreate_HYPREStruct", MatCreate_HYPREStruct);CHKERRQ(ierr);
#endif

  /* Register Constructors */
  ierr = DMRegisterAll(path);CHKERRQ(ierr);
  /* Register Events */
  ierr = PetscLogEventRegister("DMConvert",              DM_CLASSID,&DM_Convert);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMGlobalToLocal",        DM_CLASSID,&DM_GlobalToLocal);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMLocalToGlobal",        DM_CLASSID,&DM_LocalToGlobal);CHKERRQ(ierr);

  ierr = PetscLogEventRegister("DMDALocalADFunc",        DM_CLASSID,&DMDA_LocalADFunction);CHKERRQ(ierr);

  ierr = PetscLogEventRegister("DMPlexDistribute",    DM_CLASSID,&DMPLEX_Distribute);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexStratify",      DM_CLASSID,&DMPLEX_Stratify);CHKERRQ(ierr);
#ifdef PETSC_HAVE_SIEVE
  ierr = PetscLogEventRegister("DMMeshView",             DM_CLASSID,&DMMesh_View);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMMeshGetGlobalScatter", DM_CLASSID,&DMMesh_GetGlobalScatter);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMMeshRestrictVector",   DM_CLASSID,&DMMesh_restrictVector);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMMeshAssembleVector",   DM_CLASSID,&DMMesh_assembleVector);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMMeshAssemVecComplete", DM_CLASSID,&DMMesh_assembleVectorComplete);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMMeshAssembleMatrix",   DM_CLASSID,&DMMesh_assembleMatrix);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMMeshUpdateOperator",   DM_CLASSID,&DMMesh_updateOperator);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("SectionRealView",        SECTIONREAL_CLASSID,&SectionReal_View);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("SectionIntView",         SECTIONINT_CLASSID,&SectionInt_View);CHKERRQ(ierr);
#endif
  /* Process info exclusions */
  ierr = PetscOptionsGetString(PETSC_NULL, "-info_exclude", logList, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    ierr = PetscStrstr(logList, "da", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscInfoDeactivateClass(DM_CLASSID);CHKERRQ(ierr);
    }
#ifdef PETSC_HAVE_SIEVE
    ierr = PetscStrstr(logList, "sectionreal", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscInfoDeactivateClass(SECTIONREAL_CLASSID);CHKERRQ(ierr);
    }
    ierr = PetscStrstr(logList, "sectionint", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscInfoDeactivateClass(SECTIONINT_CLASSID);CHKERRQ(ierr);
    }
#endif
  }
  /* Process summary exclusions */
  ierr = PetscOptionsGetString(PETSC_NULL, "-log_summary_exclude", logList, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    ierr = PetscStrstr(logList, "da", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscLogEventDeactivateClass(DM_CLASSID);CHKERRQ(ierr);
    }
#ifdef PETSC_HAVE_SIEVE
    ierr = PetscStrstr(logList, "sectionreal", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscLogEventDeactivateClass(SECTIONREAL_CLASSID);CHKERRQ(ierr);
    }
    ierr = PetscStrstr(logList, "sectionint", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscLogEventDeactivateClass(SECTIONINT_CLASSID);CHKERRQ(ierr);
    }
#endif
  }
  ierr = PetscRegisterFinalize(DMFinalizePackage);CHKERRQ(ierr);
  PetscFunctionReturn(0);
}
コード例 #9
0
ファイル: ex16.c プロジェクト: erdc-cm/petsc-dev
int main(int argc,char **args)
{
  Mat                   A,Asp;
  PetscViewer           fd;               /* viewer */
  char                  file[PETSC_MAX_PATH_LEN];     /* input file name */
  PetscErrorCode        ierr;
  PetscInt              m,n,rstart,rend;
  PetscBool             flg;
  PetscInt             row,ncols,j,nrows,nnzA=0,nnzAsp=0;
  const PetscInt       *cols;
  const PetscScalar    *vals;
  PetscReal            norm,percent,val,dtol=1.e-16;
  PetscMPIInt          rank;
  MatInfo              matinfo;
  PetscInt             Dnnz,Onnz;


  PetscInitialize(&argc,&args,(char *)0,help);
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);

  /* Determine files from which we read the linear systems. */
  ierr = PetscOptionsGetString(PETSC_NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_COMM_WORLD,1,"Must indicate binary file with the -f option");

  /* Open binary file.  Note that we use FILE_MODE_READ to indicate
     reading from this file. */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);

  /* Load the matrix; then destroy the viewer. */
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatSetOptionsPrefix(A,"a_");CHKERRQ(ierr);
  ierr = MatSetFromOptions(A);CHKERRQ(ierr);
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);
  ierr = MatGetSize(A,&m,&n);CHKERRQ(ierr);
  ierr = MatGetInfo(A,MAT_LOCAL,&matinfo);CHKERRQ(ierr);
  //printf("matinfo.nz_used %g\n",matinfo.nz_used);

  /* Get a sparse matrix Asp by dumping zero entries of A */
  ierr = MatCreate(PETSC_COMM_WORLD,&Asp);CHKERRQ(ierr);
  ierr = MatSetSizes(Asp,m,n,PETSC_DECIDE,PETSC_DECIDE);CHKERRQ(ierr);
  ierr = MatSetOptionsPrefix(Asp,"asp_");CHKERRQ(ierr);
  ierr = MatSetFromOptions(Asp);CHKERRQ(ierr);
  Dnnz  = (PetscInt)matinfo.nz_used/m + 1;
  Onnz  = Dnnz/2;
  printf("Dnnz %d %d\n",Dnnz,Onnz);
  ierr = MatSeqAIJSetPreallocation(Asp,Dnnz,PETSC_NULL);CHKERRQ(ierr);
  ierr = MatMPIAIJSetPreallocation(Asp,Dnnz,PETSC_NULL,Onnz,PETSC_NULL);CHKERRQ(ierr);

  /* Check zero rows */
  ierr = MatGetOwnershipRange(A,&rstart,&rend);CHKERRQ(ierr);
  nrows = 0;
  for (row=rstart; row<rend; row++){
    ierr = MatGetRow(A,row,&ncols,&cols,&vals);CHKERRQ(ierr);
    nnzA += ncols;
    norm = 0.0;
    for (j=0; j<ncols; j++){
      val = PetscAbsScalar(vals[j]);
      if (norm < val) norm = norm;
      if (val > dtol){
        ierr = MatSetValues(Asp,1,&row,1,&cols[j],&vals[j],INSERT_VALUES);CHKERRQ(ierr);
        nnzAsp++;
      }
    }
    if (!norm) nrows++;
    ierr = MatRestoreRow(A,row,&ncols,&cols,&vals);CHKERRQ(ierr);
  }
  ierr = MatAssemblyBegin(Asp,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  ierr = MatAssemblyEnd(Asp,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);

  percent=(PetscReal)nnzA*100/(m*n);
  ierr = PetscPrintf(PETSC_COMM_SELF," [%d] Matrix A local size %d,%d; nnzA %d, %g percent; No. of zero rows: %d\n",rank,m,n,nnzA,percent,nrows);
  percent=(PetscReal)nnzAsp*100/(m*n);
  ierr = PetscPrintf(PETSC_COMM_SELF," [%d] Matrix Asp nnzAsp %d, %g percent\n",rank,nnzAsp,percent);

  /* investigate matcoloring for Asp */
  PetscBool     Asp_coloring = PETSC_FALSE;
  ierr = PetscOptionsHasName(PETSC_NULL,"-Asp_color",&Asp_coloring);CHKERRQ(ierr);
  if (Asp_coloring){
    ISColoring    iscoloring;
    MatFDColoring matfdcoloring;
    ierr = PetscPrintf(PETSC_COMM_WORLD," Create coloring of Asp...\n");
    ierr = MatGetColoring(Asp,MATCOLORINGSL,&iscoloring);CHKERRQ(ierr);
    ierr = MatFDColoringCreate(Asp,iscoloring,&matfdcoloring);CHKERRQ(ierr);
    ierr = MatFDColoringSetFromOptions(matfdcoloring);CHKERRQ(ierr);
    //ierr = MatFDColoringView(matfdcoloring,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
    ierr = ISColoringDestroy(&iscoloring);CHKERRQ(ierr);
    ierr = MatFDColoringDestroy(&matfdcoloring);CHKERRQ(ierr);
  }

  /* Write Asp in binary for study - see ~petsc/src/mat/examples/tests/ex124.c */
  PetscBool Asp_write = PETSC_FALSE;
  ierr = PetscOptionsHasName(PETSC_NULL,"-Asp_write",&Asp_write);CHKERRQ(ierr);
  if (Asp_write){
    PetscViewer    viewer;
    ierr = PetscPrintf(PETSC_COMM_SELF,"Write Asp into file Asp.dat ...\n");
    ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,"Asp.dat",FILE_MODE_WRITE,&viewer);CHKERRQ(ierr);
    ierr = MatView(Asp,viewer);CHKERRQ(ierr);
    ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
  }

  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = MatDestroy(&Asp);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return 0;
}
コード例 #10
0
PetscErrorCode waitForSignal(PetscInt waitTime)
{
  PetscErrorCode ierr;
  
  FILE *fd1;  
  PetscViewer fd;
  PetscInt iDone=0;
  PetscInt zero=0;
  PetscInt one=1;
  PetscInt fp;
  PetscInt numsignalfiles = 2;
  PetscTruth flg;  
  
  if (firstTime) {
    ierr = PetscPrintf(PETSC_COMM_WORLD,"Initializing signaling module ...\n");CHKERRQ(ierr);                  
    ierr = PetscOptionsGetString(PETSC_NULL,"-signalscript",externalSignalScriptName,PETSC_MAX_PATH_LEN-1,&useExternalSignalScript);CHKERRQ(ierr);
    ierr = PetscOptionsHasName(PETSC_NULL,"-signalfiles",&useSignalFiles);CHKERRQ(ierr);
    if ((useExternalSignalScript) && (useSignalFiles)) {
      SETERRQ(1,"Cannot specify both an external signal script and signal files!");
    }  
    if ((!useExternalSignalScript) && (!useSignalFiles)) {
      SETERRQ(1,"Must specify an external signal script OR signal files!");
    }  
    if (useExternalSignalScript) {
      ierr = PetscPrintf(PETSC_COMM_WORLD,"External signaling script has been specified: %s\n",externalSignalScriptName);CHKERRQ(ierr);      
    }
    if (useSignalFiles) {
      ierr = PetscOptionsGetStringArray(PETSC_NULL,"-signalfiles",signalfiles,&numsignalfiles,&flg);CHKERRQ(ierr);
      ierr = PetscPrintf(PETSC_COMM_WORLD,"Signal files have been specified: %s, %s\n",signalfiles[0],signalfiles[1]);CHKERRQ(ierr);                  
      ierr = PetscOptionsGetInt(PETSC_NULL,"-signalwaittime",&signalWaitTime,&flg);CHKERRQ(ierr);
      if (flg) {
        ierr = PetscPrintf(PETSC_COMM_WORLD,"Signal wait time of %d seconds has been specified\n",signalWaitTime);CHKERRQ(ierr);                        
      } else {
        signalWaitTime = -1;
      }
    }    
    
    firstTime = PETSC_FALSE;
  } else {  
    if (useExternalSignalScript) {
      ierr = PetscPOpen(PETSC_COMM_WORLD,PETSC_NULL,externalSignalScriptName,"r",&fd1);CHKERRQ(ierr);  
      ierr = PetscPClose(PETSC_COMM_WORLD,fd1);CHKERRQ(ierr);  
    } else {  
      
      if (signalWaitTime>0) waitTime = signalWaitTime; /* overwrite with runtime option */

/*    overwrite external signal file       */
      ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,signalfiles[1],FILE_MODE_WRITE,&fd);CHKERRQ(ierr);
      ierr = PetscViewerBinaryGetDescriptor(fd,&fp);CHKERRQ(ierr);
      ierr = PetscBinarySynchronizedWrite(PETSC_COMM_WORLD,fp,&zero,1,PETSC_INT,PETSC_FALSE);CHKERRQ(ierr);
      ierr = PetscViewerDestroy(fd);CHKERRQ(ierr);

/*    send "ready" signal   */
      ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,signalfiles[0],&fd);CHKERRQ(ierr);
      ierr = PetscViewerASCIIPrintf(fd,"%d\n",one);CHKERRQ(ierr);
      ierr = PetscViewerDestroy(fd);CHKERRQ(ierr);

/*    wait for external signal   */
      while (iDone==0) {
        ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,signalfiles[1],FILE_MODE_READ,&fd);CHKERRQ(ierr);    
        ierr = PetscViewerBinaryGetDescriptor(fd,&fp);CHKERRQ(ierr);
        ierr = PetscBinarySynchronizedRead(PETSC_COMM_WORLD,fp,&iDone,1,PETSC_INT);CHKERRQ(ierr);    
        ierr = PetscViewerDestroy(fd);CHKERRQ(ierr);
        PetscSleep(waitTime);      
      }

/*    send "busy" signal   */
      ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,signalfiles[0],&fd);CHKERRQ(ierr);
      ierr = PetscViewerASCIIPrintf(fd,"%d\n",zero);CHKERRQ(ierr);
      ierr = PetscViewerDestroy(fd);CHKERRQ(ierr);
    }    
  }

  return 0;    
}
コード例 #11
0
ファイル: apps_solver.C プロジェクト: fuentesdt/tao-1.10.1-p3
int getoptions(TAO_APPS *appsPtr)
{
  // Haven't done break or reassign options
  // -o only works for PVM
  char options[16][10] = {"cache","alpha","pattern","search","tol","active","debug","profile",
			  "precision","inc","contract","step","min","max","nnls","eps"};
  char strings[35][50];  // Don't need this many, but just being safe
  char buffer[50]={0};
  char tempstring[16];
  int i;
  int info;
  PetscTruth flg,cacheisoff;
  int length;

  // Read in all options, store as strings.  Later, copy strings to argv


  appsPtr->argc=0;

  // don't really need this one, but need to start strings at argv[1]
  PetscStrcpy(strings[(appsPtr->argc)++],"executable"); 


  // It's possible to use PetscStrcpy and PetscStrcat instead of snprintf
    
  info = PetscOptionsGetString(0,"-apps_i",buffer, 49, &flg); CHKERRQ(info);
  if (flg)
  {
    snprintf(strings[(appsPtr->argc)++],50,"-i%-s",buffer);
  }

  info = PetscOptionsGetString(0,"-apps_o",buffer, 49, &flg); CHKERRQ(info);
  if (flg)
  {
    snprintf(strings[(appsPtr->argc)++],50,"-o%-s",buffer);
  }


  for (i=0;i<16;i++)
  {
    snprintf(tempstring,16,"-apps_%s",options[i]);
    info = PetscOptionsGetString(0,tempstring,buffer,49,&flg); CHKERRQ(info);
    if (flg)
    {
      snprintf(strings[(appsPtr->argc)++],50,"--%s=%-s",options[i],buffer);
      // The TaoFevalMgr needs to know if the cache is to be used
      // Assume it is to be used unless "-apps_cache false" is used
      if (i==0)
      {
	info = PetscStrncmp(buffer,"false",5,&cacheisoff); CHKERRQ(info);
	if (cacheisoff)
	  appsPtr->usecache = 0; 
      }
    }
  }


  info = TaoMalloc(sizeof(char *)*appsPtr->argc, &appsPtr->argv); CHKERRQ(info);
  
  for (i=0;i<appsPtr->argc; i++)
  {
    info = PetscStrlen(strings[i],&length); CHKERRQ(info);
    info = TaoMalloc(sizeof(char)*length+1, &appsPtr->argv[i]); CHKERRQ(info);
    info = PetscStrncpy(appsPtr->argv[i],strings[i],length); CHKERRQ(info);
  }


  TaoFunctionReturn(0);
}
int main(int argc,char **args)
{

  /*PETSc Mat Object */
  Mat         pMat;
  /* Input matrix market file and output PETSc binary file */
  char        inputFile[128],outputFile[128],buf[128];

  /* number rows, columns, non zeros etc */
  int         i, m,n,nnz,ierr,col,row;

  /*We compute no of nozeros per row for PETSc Mat object pre-allocation*/  
  int *nnzPtr;
  /*Maximum nonzero in nay row */
  int maxNNZperRow=0;
  /*Row number containing max non zero elements */
  int maxRowNum = 0;
  /*Just no of comments that will be ignore during successive read of file */
  int numComments=0;

  /* This is  variable of type double */
  PetscScalar val;

  /*File handle for read and write*/
  FILE*       file;
  /*File handle for writing nonzero elements distribution per row */
  FILE 	      *fileRowDist;

   /*PETSc Viewer is used for writing PETSc Mat object in binary format */
   PetscViewer view;
  /*Just record time required for conversion */
  PetscLogDouble t1,t2,elapsed_time;

  /*Initialise PETSc lib */
  PetscInitialize(&argc,&args,(char *)0,PETSC_NULL);

  /* Just record time */
  ierr = PetscGetTime(&t1); CHKERRQ(ierr);

  /*Get name of matrix market file from command line options and Open file*/
  ierr = PetscOptionsGetString(PETSC_NULL,"-fin",inputFile,127,PETSC_NULL);
  ierr = PetscFOpen(PETSC_COMM_SELF,inputFile,"r",&file);

  /* Just count the comment lines in the file */
  while(1)
  {
  	fgets(buf,128,file);
        /*If line starts with %, its a comment */
        if(buf[0] == '%')
	{
	   printf("\n IGNORING COMMENT LINE : IGNORING....");
	   numComments++; 
	}
	else
	{
	   /*Set Pointer to Start of File */
	   fseek(file, 0, SEEK_SET );
           int num = numComments;

	   /* and just move pointer to the entry in the file which indicates row nums, col nums and non zero elements */
	   while(num--)
	   	fgets(buf,128,file);
	   break;
	}
  }

  /*Reads size of sparse matrix from matrix market file */
  fscanf(file,"%d %d %d\n",&m,&n,&nnz);
  printf ("ROWS = %d, COLUMNS = %d, NO OF NON-ZEROS = %d\n",m,n,nnz);

  /*Now we will calculate non zero elelments distribution per row */
  nnzPtr = (int *) calloc (sizeof(int),  m);

  /*This is similar to calculate histogram or frequency of elements in the array */
  for (i=0; !feof(file); i++) 
  {
  	  fscanf(file,"%d %d %le\n",&row,&col,&val);
	  row = row-1; col = col-1 ;
	  nnzPtr[row]++;
  }

  printf("\n ROW DISTRIBUTION CALCULATED....WRITING TO THE FILE..!");
  fflush(stdout);

  /*Write row distribution to the file ROW_STR.dat */
  fileRowDist =  fopen ("ROW_DISTR.dat", "w");
  for (i=0; i< m; i++)
  {
     fprintf(fileRowDist, "%d\t %d\n", i, nnzPtr[i]);
     /*Find max num of of nonzero for any row of the matrix and that row number */
     if( maxNNZperRow < nnzPtr[i] )
     {	  /*store max nonzero for any row*/
	  maxNNZperRow =  nnzPtr[i];
	  /*row that contains max non zero elements*/
          maxRowNum = i; 
          
     }
  }
  /*Close File */
  fclose(fileRowDist);

  printf("\n MAX NONZERO FOR ANY ROW ARE : %d & ROW NUM IS : %d", maxNNZperRow, maxRowNum );
  
  /* Again set the file pointer the fist data record in matrix market file*
   * Note that we can directly move ponts with fseek, but as this is text file 
   * we are simple reading line by line
   */
  fseek(file, 0, SEEK_SET );
  numComments++;
  while(numComments--)
	fgets(buf,128,file);


  /* Its important to pre-allocate memory by passing max non zero for any row in the matrix */
  ierr = MatCreateSeqAIJ(PETSC_COMM_WORLD,m,n,maxNNZperRow,PETSC_NULL,&pMat);
  /* OR we can also pass row distribution of nozero elements for every row */
  /* ierr = MatCreateSeqAIJ(PETSC_COMM_WORLD,m,n,0,nnzPtr,&pMat);*/

  /*Now Set matrix elements values form matrix market file */
  for (i=0; i<nnz; i++) 
  {
	    /*Read matrix element from matrix market file*/
	    fscanf(file,"%d %d %le\n",&row,&col,&val);
            /*In matrix market format, rows and columns starts from 1 */
	    row = row-1; col = col-1 ;
	    /* For every non zero element,insert that value at row,col position */	
	    ierr = MatSetValues(pMat,1,&row,1,&col,&val,INSERT_VALUES);
  }
  fclose(file);
  /*Matrix Read Complete */
  ierr = PetscPrintf(PETSC_COMM_SELF,"\n MATRIX READ...DONE!");

  /*Now assemeble the matrix */
  ierr = MatAssemblyBegin(pMat,MAT_FINAL_ASSEMBLY);
  ierr = MatAssemblyEnd(pMat,MAT_FINAL_ASSEMBLY);

  /* Now open output file for writing into PETSc Binary FOrmat*/
  ierr = PetscOptionsGetString(PETSC_NULL,"-fout",outputFile,127,PETSC_NULL);CHKERRQ(ierr);
  /*With the PETSc Viewer write output to File*/
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,outputFile,FILE_MODE_WRITE,&view);CHKERRQ(ierr);
  /*Matview will dump the Mat object to binary file */
  ierr = MatView(pMat,view);CHKERRQ(ierr);

  /* Destroy the data structure */
  ierr = PetscViewerDestroy(&view);CHKERRQ(ierr);
  ierr = MatDestroy(&pMat);CHKERRQ(ierr);

  /*Just for statistics*/
  ierr = PetscGetTime(&t2);CHKERRQ(ierr);
  elapsed_time = t2 - t1;     
  ierr = PetscPrintf(PETSC_COMM_SELF,"ELAPSE TIME: %g\n",elapsed_time);CHKERRQ(ierr);

  ierr = PetscFinalize();CHKERRQ(ierr);
  return 0;
}
コード例 #13
0
int main(int argc,char **args)
{
  Mat            A,RHS,C,F,X;
  Vec            u,x,b;
  PetscErrorCode ierr;
  PetscMPIInt    rank,nproc;
  PetscInt       i,m,n,nfact,nsolve,nrhs,ipack=0;
  PetscScalar    *array,rval;
  PetscReal      norm,tol=1.e-12;
  IS             perm,iperm;
  MatFactorInfo  info;
  PetscRandom    rand;
  PetscBool      flg,testMatSolve=PETSC_TRUE,testMatMatSolve=PETSC_TRUE;
  PetscViewer    fd;              /* viewer */
  char           file[PETSC_MAX_PATH_LEN]; /* input file name */

  PetscInitialize(&argc,&args,(char*)0,help);
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD, &rank);CHKERRQ(ierr);
  ierr = MPI_Comm_size(PETSC_COMM_WORLD, &nproc);CHKERRQ(ierr);

  /* Determine file from which we read the matrix A */
  ierr = PetscOptionsGetString(NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_COMM_WORLD,1,"Must indicate binary file with the -f option");

  /* Load matrix A */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);
  ierr = MatGetLocalSize(A,&m,&n);CHKERRQ(ierr);
  if (m != n) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_SIZ, "This example is not intended for rectangular matrices (%d, %d)", m, n);

  /* Create dense matrix C and X; C holds true solution with identical colums */
  nrhs = 2;
  ierr = PetscOptionsGetInt(NULL,"-nrhs",&nrhs,NULL);CHKERRQ(ierr);
  if (!rank) printf("ex125: nrhs %d\n",nrhs);
  ierr = MatCreate(PETSC_COMM_WORLD,&C);CHKERRQ(ierr);
  ierr = MatSetSizes(C,m,PETSC_DECIDE,PETSC_DECIDE,nrhs);CHKERRQ(ierr);
  ierr = MatSetType(C,MATDENSE);CHKERRQ(ierr);
  ierr = MatSetFromOptions(C);CHKERRQ(ierr);
  ierr = MatSetUp(C);CHKERRQ(ierr);

  ierr = PetscRandomCreate(PETSC_COMM_WORLD,&rand);CHKERRQ(ierr);
  ierr = PetscRandomSetFromOptions(rand);CHKERRQ(ierr);
  ierr = MatSetRandom(C,rand);CHKERRQ(ierr);
  ierr = MatDuplicate(C,MAT_DO_NOT_COPY_VALUES,&X);CHKERRQ(ierr);

  /* Create vectors */
  ierr = VecCreate(PETSC_COMM_WORLD,&x);CHKERRQ(ierr);
  ierr = VecSetSizes(x,n,PETSC_DECIDE);CHKERRQ(ierr);
  ierr = VecSetFromOptions(x);CHKERRQ(ierr);
  ierr = VecDuplicate(x,&b);CHKERRQ(ierr);
  ierr = VecDuplicate(x,&u);CHKERRQ(ierr); /* save the true solution */

  /* Test LU Factorization */
  ierr = MatGetOrdering(A,MATORDERINGND,&perm,&iperm);CHKERRQ(ierr);
  /*ierr = ISView(perm,PETSC_VIEWER_STDOUT_WORLD);*/
  /*ierr = ISView(perm,PETSC_VIEWER_STDOUT_SELF);*/

  ierr = PetscOptionsGetInt(NULL,"-mat_solver_package",&ipack,NULL);CHKERRQ(ierr);
  switch (ipack) {
  case 0:
#if defined(PETSC_HAVE_SUPERLU)
    if (!rank) printf(" SUPERLU LU:\n");
    ierr = MatGetFactor(A,MATSOLVERSUPERLU,MAT_FACTOR_LU,&F);CHKERRQ(ierr);
    break;
#endif
  case 1:
#if defined(PETSC_HAVE_SUPERLU_DIST)
    if (!rank) printf(" SUPERLU_DIST LU:\n");
    ierr = MatGetFactor(A,MATSOLVERSUPERLU_DIST,MAT_FACTOR_LU,&F);CHKERRQ(ierr);
    break;
#endif
  case 2:
#if defined(PETSC_HAVE_MUMPS)
    if (!rank) printf(" MUMPS LU:\n");
    ierr = MatGetFactor(A,MATSOLVERMUMPS,MAT_FACTOR_LU,&F);CHKERRQ(ierr);
    {
      /* test mumps options */
      PetscInt icntl_7 = 5;
      ierr = MatMumpsSetIcntl(F,7,icntl_7);CHKERRQ(ierr);
    }
    break;
#endif
  default:
    if (!rank) printf(" PETSC LU:\n");
    ierr = MatGetFactor(A,MATSOLVERPETSC,MAT_FACTOR_LU,&F);CHKERRQ(ierr);
  }

  info.fill = 5.0;
  ierr      = MatLUFactorSymbolic(F,A,perm,iperm,&info);CHKERRQ(ierr);

  for (nfact = 0; nfact < 2; nfact++) {
    if (!rank) printf(" %d-the LU numfactorization \n",nfact);
    ierr = MatLUFactorNumeric(F,A,&info);CHKERRQ(ierr);

    /* Test MatMatSolve() */
    /*
    if ((ipack == 0 || ipack == 2) && testMatMatSolve) {
      printf("   MatMatSolve() is not implemented for this package. Skip the testing.\n");
      testMatMatSolve = PETSC_FALSE;
    }
     */
    if (testMatMatSolve) {
      if (!nfact) {
        ierr = MatMatMult(A,C,MAT_INITIAL_MATRIX,2.0,&RHS);CHKERRQ(ierr);
      } else {
        ierr = MatMatMult(A,C,MAT_REUSE_MATRIX,2.0,&RHS);CHKERRQ(ierr);
      }
      for (nsolve = 0; nsolve < 2; nsolve++) {
        if (!rank) printf("   %d-the MatMatSolve \n",nsolve);
        ierr = MatMatSolve(F,RHS,X);CHKERRQ(ierr);

        /* Check the error */
        ierr = MatAXPY(X,-1.0,C,SAME_NONZERO_PATTERN);CHKERRQ(ierr);
        ierr = MatNorm(X,NORM_FROBENIUS,&norm);CHKERRQ(ierr);
        if (norm > tol) {
          if (!rank) {
            ierr = PetscPrintf(PETSC_COMM_SELF,"1st MatMatSolve: Norm of error %g, nsolve %d\n",norm,nsolve);CHKERRQ(ierr);
          }
        }
      }
    }

    /* Test MatSolve() */
    if (testMatSolve) {
      for (nsolve = 0; nsolve < 2; nsolve++) {
        ierr = VecGetArray(x,&array);CHKERRQ(ierr);
        for (i=0; i<m; i++) {
          ierr     = PetscRandomGetValue(rand,&rval);CHKERRQ(ierr);
          array[i] = rval;
        }
        ierr = VecRestoreArray(x,&array);CHKERRQ(ierr);
        ierr = VecCopy(x,u);CHKERRQ(ierr);
        ierr = MatMult(A,x,b);CHKERRQ(ierr);

        if (!rank) printf("   %d-the MatSolve \n",nsolve);
        ierr = MatSolve(F,b,x);CHKERRQ(ierr);

        /* Check the error */
        ierr = VecAXPY(u,-1.0,x);CHKERRQ(ierr);  /* u <- (-1.0)x + u */
        ierr = VecNorm(u,NORM_2,&norm);CHKERRQ(ierr);
        if (norm > tol) {
          ierr = MatMult(A,x,u);CHKERRQ(ierr); /* u = A*x */
          PetscReal resi;
          ierr = VecAXPY(u,-1.0,b);CHKERRQ(ierr);  /* u <- (-1.0)b + u */
          ierr = VecNorm(u,NORM_2,&resi);CHKERRQ(ierr);
          if (!rank) {
            ierr = PetscPrintf(PETSC_COMM_SELF,"MatSolve: Norm of error %g, resi %g, LU numfact %d\n",norm,resi,nfact);CHKERRQ(ierr);
          }
        }
      }
    }
  }

  /* Free data structures */
  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = MatDestroy(&C);CHKERRQ(ierr);
  ierr = MatDestroy(&F);CHKERRQ(ierr);
  ierr = MatDestroy(&X);CHKERRQ(ierr);
  if (testMatMatSolve) {
    ierr = MatDestroy(&RHS);CHKERRQ(ierr);
  }

  ierr = PetscRandomDestroy(&rand);CHKERRQ(ierr);
  ierr = ISDestroy(&perm);CHKERRQ(ierr);
  ierr = ISDestroy(&iperm);CHKERRQ(ierr);
  ierr = VecDestroy(&x);CHKERRQ(ierr);
  ierr = VecDestroy(&b);CHKERRQ(ierr);
  ierr = VecDestroy(&u);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return 0;
}
コード例 #14
0
ファイル: dlregisdmdm.c プロジェクト: PeiLiu90/petsc
/*@C
  DMInitializePackage - This function initializes everything in the DM package. It is called
  from PetscDLLibraryRegister() when using dynamic libraries, and on the first call to AOCreate()
  or DMDACreate() when using static libraries.

  Level: developer

.keywords: AO, initialize, package
.seealso: PetscInitialize()
@*/
PetscErrorCode  DMInitializePackage(void)
{
  char           logList[256];
  char           *className;
  PetscBool      opt;
  PetscErrorCode ierr;

  PetscFunctionBegin;
  if (DMPackageInitialized) PetscFunctionReturn(0);
  DMPackageInitialized = PETSC_TRUE;

  /* Register Classes */
  ierr = PetscClassIdRegister("Distributed Mesh",&DM_CLASSID);CHKERRQ(ierr);
  ierr = PetscClassIdRegister("GraphPartitioner",&PETSCPARTITIONER_CLASSID);CHKERRQ(ierr);

#if defined(PETSC_HAVE_HYPRE)
  ierr = MatRegister(MATHYPRESTRUCT, MatCreate_HYPREStruct);CHKERRQ(ierr);
#endif

  /* Register Constructors */
  ierr = DMRegisterAll();CHKERRQ(ierr);
  /* Register Events */
  ierr = PetscLogEventRegister("DMConvert",              DM_CLASSID,&DM_Convert);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMGlobalToLocal",        DM_CLASSID,&DM_GlobalToLocal);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMLocalToGlobal",        DM_CLASSID,&DM_LocalToGlobal);CHKERRQ(ierr);

  ierr = PetscLogEventRegister("DMDALocalADFunc",        DM_CLASSID,&DMDA_LocalADFunction);CHKERRQ(ierr);

  ierr = PetscLogEventRegister("Mesh Partition",         PETSCPARTITIONER_CLASSID,&PETSCPARTITIONER_Partition);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexInterp",           DM_CLASSID,&DMPLEX_Interpolate);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexDistribute",       DM_CLASSID,&DMPLEX_Distribute);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexDistCones",        DM_CLASSID,&DMPLEX_DistributeCones);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexDistLabels",       DM_CLASSID,&DMPLEX_DistributeLabels);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexDistribSF",        DM_CLASSID,&DMPLEX_DistributeSF);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexDistribOL",        DM_CLASSID,&DMPLEX_DistributeOverlap);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexDistField",        DM_CLASSID,&DMPLEX_DistributeField);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexDistData",         DM_CLASSID,&DMPLEX_DistributeData);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexStratify",         DM_CLASSID,&DMPLEX_Stratify);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexPrealloc",         DM_CLASSID,&DMPLEX_Preallocate);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexResidualFE",       DM_CLASSID,&DMPLEX_ResidualFEM);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexJacobianFE",       DM_CLASSID,&DMPLEX_JacobianFEM);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexInterpFE",         DM_CLASSID,&DMPLEX_InterpolatorFEM);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("DMPlexInjectorFE",       DM_CLASSID,&DMPLEX_InjectorFEM);CHKERRQ(ierr);
  /* Process info exclusions */
  ierr = PetscOptionsGetString(NULL, "-info_exclude", logList, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    ierr = PetscStrstr(logList, "da", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscInfoDeactivateClass(DM_CLASSID);CHKERRQ(ierr);
    }
  }
  /* Process summary exclusions */
  ierr = PetscOptionsGetString(NULL, "-log_summary_exclude", logList, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    ierr = PetscStrstr(logList, "da", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscLogEventDeactivateClass(DM_CLASSID);CHKERRQ(ierr);
    }
  }
  ierr = PetscRegisterFinalize(DMFinalizePackage);CHKERRQ(ierr);
  PetscFunctionReturn(0);
}
コード例 #15
0
ファイル: ex130.c プロジェクト: 00liujj/petsc
Example: mpiexec -n <np> ./ex130 -f <matrix binary file> -mat_solver_package 1 -mat_superlu_equil \n\n";

#include <petscmat.h>

#undef __FUNCT__
#define __FUNCT__ "main"
int main(int argc,char **args)
{
  Mat            A,F;
  Vec            u,x,b;
  PetscErrorCode ierr;
  PetscMPIInt    rank,size;
  PetscInt       m,n,nfact,ipack=0;
  PetscReal      norm,tol=1.e-12,Anorm;
  IS             perm,iperm;
  MatFactorInfo  info;
  PetscBool      flg,testMatSolve=PETSC_TRUE;
  PetscViewer    fd;              /* viewer */
  char           file[PETSC_MAX_PATH_LEN]; /* input file name */

  PetscInitialize(&argc,&args,(char*)0,help);
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD, &rank);CHKERRQ(ierr);
  ierr = MPI_Comm_size(PETSC_COMM_WORLD, &size);CHKERRQ(ierr);

  /* Determine file from which we read the matrix A */
  ierr = PetscOptionsGetString(NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_COMM_WORLD,1,"Must indicate binary file with the -f option");

  /* Load matrix A */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = VecCreate(PETSC_COMM_WORLD,&b);CHKERRQ(ierr);
  ierr = VecLoad(b,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);
  ierr = MatGetLocalSize(A,&m,&n);CHKERRQ(ierr);
  if (m != n) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_SIZ, "This example is not intended for rectangular matrices (%d, %d)", m, n);
  ierr = MatNorm(A,NORM_INFINITY,&Anorm);CHKERRQ(ierr);

  /* Create vectors */
  ierr = VecDuplicate(b,&x);CHKERRQ(ierr);
  ierr = VecDuplicate(x,&u);CHKERRQ(ierr); /* save the true solution */

  /* Test LU Factorization */
  ierr = MatGetOrdering(A,MATORDERINGNATURAL,&perm,&iperm);CHKERRQ(ierr);

  ierr = PetscOptionsGetInt(NULL,"-mat_solver_package",&ipack,NULL);CHKERRQ(ierr);
  switch (ipack) {
  case 1:
#if defined(PETSC_HAVE_SUPERLU)
    if (!rank) printf(" SUPERLU LU:\n");
    ierr = MatGetFactor(A,MATSOLVERSUPERLU,MAT_FACTOR_LU,&F);CHKERRQ(ierr);
    break;
#endif
  case 2:
#if defined(PETSC_HAVE_MUMPS)
    if (!rank) printf(" MUMPS LU:\n");
    ierr = MatGetFactor(A,MATSOLVERMUMPS,MAT_FACTOR_LU,&F);CHKERRQ(ierr);
    {
      /* test mumps options */
      PetscInt icntl_7 = 5;
      ierr = MatMumpsSetIcntl(F,7,icntl_7);CHKERRQ(ierr);
    }
    break;
#endif
  default:
    if (!rank) printf(" PETSC LU:\n");
    ierr = MatGetFactor(A,MATSOLVERPETSC,MAT_FACTOR_LU,&F);CHKERRQ(ierr);
  }

  info.fill = 5.0;
  ierr      = MatLUFactorSymbolic(F,A,perm,iperm,&info);CHKERRQ(ierr);

  for (nfact = 0; nfact < 1; nfact++) {
    if (!rank) printf(" %d-the LU numfactorization \n",nfact);
    ierr = MatLUFactorNumeric(F,A,&info);CHKERRQ(ierr);

    /* Test MatSolve() */
    if (testMatSolve) {
      ierr = MatSolve(F,b,x);CHKERRQ(ierr);

      /* Check the residual */
      ierr = MatMult(A,x,u);CHKERRQ(ierr);
      ierr = VecAXPY(u,-1.0,b);CHKERRQ(ierr);
      ierr = VecNorm(u,NORM_INFINITY,&norm);CHKERRQ(ierr);
      if (norm > tol) {
        if (!rank) {
          ierr = PetscPrintf(PETSC_COMM_SELF,"MatSolve: rel residual %g/%g = %g, LU numfact %d\n",norm,Anorm,norm/Anorm,nfact);CHKERRQ(ierr);
        }
      }
    }
  }

  /* Free data structures */
  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = MatDestroy(&F);CHKERRQ(ierr);
  ierr = ISDestroy(&perm);CHKERRQ(ierr);
  ierr = ISDestroy(&iperm);CHKERRQ(ierr);
  ierr = VecDestroy(&x);CHKERRQ(ierr);
  ierr = VecDestroy(&b);CHKERRQ(ierr);
  ierr = VecDestroy(&u);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return 0;
}
コード例 #16
0
ファイル: ex226.c プロジェクト: firedrakeproject/petsc
int main(int argc,char **argv)
{
  Mat            A,B,C,PtAP,PtAP_copy,PtAP_squared;
  PetscInt       i,M,N,Istart,Iend,n=7,j,J,Ii,m=8,k,o=1;
  PetscScalar    v;
  PetscErrorCode ierr;
  PetscBool      equal=PETSC_FALSE,mat_view=PETSC_FALSE;
  char           stencil[PETSC_MAX_PATH_LEN];
#if defined(PETSC_USE_LOG)
  PetscLogStage  fullMatMatMultStage;
#endif

  ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
  ierr = PetscOptionsGetInt(NULL,NULL,"-m",&m,NULL);CHKERRQ(ierr);
  ierr = PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL);CHKERRQ(ierr);
  ierr = PetscOptionsGetInt(NULL,NULL,"-o",&o,NULL);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(NULL,NULL,"-result_view",&mat_view);CHKERRQ(ierr);
  ierr = PetscOptionsGetString(NULL,NULL,"-stencil",stencil,PETSC_MAX_PATH_LEN,NULL);CHKERRQ(ierr);

  /* Create a aij matrix A */
  M    = N = m*n*o;
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,M,N);CHKERRQ(ierr);
  ierr = MatSetType(A,MATAIJ);CHKERRQ(ierr);
  ierr = MatSetFromOptions(A);CHKERRQ(ierr);

  /* Consistency checks */
  if (o < 1 || m < 1 || n < 1) SETERRQ(PETSC_COMM_WORLD,1,"Dimensions need to be larger than zero!");

  /************ 2D stencils ***************/
  ierr = PetscStrcmp(stencil, "2d5point", &equal);CHKERRQ(ierr);
  if (equal) {   /* 5-point stencil, 2D */
    ierr = MatMPIAIJSetPreallocation(A,5,NULL,5,NULL);CHKERRQ(ierr);
    ierr = MatSeqAIJSetPreallocation(A,5,NULL);CHKERRQ(ierr);
    ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
    for (Ii=Istart; Ii<Iend; Ii++) {
      v = -1.0; k = Ii / (m*n); j = (Ii - k * m * n) / m; i = (Ii - k * m * n - j * m);
      if (i>0)   {J = global_index(i-1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1) {J = global_index(i+1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>0)   {J = global_index(i,j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1) {J = global_index(i,j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      v = 4.0; ierr = MatSetValues(A,1,&Ii,1,&Ii,&v,INSERT_VALUES);CHKERRQ(ierr);
    }
  }
  ierr = PetscStrcmp(stencil, "2d9point", &equal);CHKERRQ(ierr);
  if (equal) {      /* 9-point stencil, 2D */
    ierr = MatMPIAIJSetPreallocation(A,9,NULL,9,NULL);CHKERRQ(ierr);
    ierr = MatSeqAIJSetPreallocation(A,9,NULL);CHKERRQ(ierr);
    ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
    for (Ii=Istart; Ii<Iend; Ii++) {
      v = -1.0; k = Ii / (m*n); j = (Ii - k * m * n) / m; i = (Ii - k * m * n - j * m);
      if (i>0)            {J = global_index(i-1,j,  k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>0   && j>0)   {J = global_index(i-1,j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (         j>0)   {J = global_index(i,  j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1 && j>0)   {J = global_index(i+1,j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1)          {J = global_index(i+1,j,  k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1 && j<n-1) {J = global_index(i+1,j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1)          {J = global_index(i,  j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>0   && j<n-1) {J = global_index(i-1,j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      v = 8.0; ierr = MatSetValues(A,1,&Ii,1,&Ii,&v,INSERT_VALUES);CHKERRQ(ierr);
    }
  }
  ierr = PetscStrcmp(stencil, "2d9point2", &equal);CHKERRQ(ierr);
  if (equal) {      /* 9-point Cartesian stencil (width 2 per coordinate), 2D */
    ierr = MatMPIAIJSetPreallocation(A,9,NULL,9,NULL);CHKERRQ(ierr);
    ierr = MatSeqAIJSetPreallocation(A,9,NULL);CHKERRQ(ierr);
    ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
    for (Ii=Istart; Ii<Iend; Ii++) {
      v = -1.0; k = Ii / (m*n); j = (Ii - k * m * n) / m; i = (Ii - k * m * n - j * m);
      if (i>0)   {J = global_index(i-1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>1)   {J = global_index(i-2,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1) {J = global_index(i+1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-2) {J = global_index(i+2,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>0)   {J = global_index(i,j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>1)   {J = global_index(i,j-2,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1) {J = global_index(i,j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-2) {J = global_index(i,j+2,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      v = 8.0; ierr = MatSetValues(A,1,&Ii,1,&Ii,&v,INSERT_VALUES);CHKERRQ(ierr);
    }
  }
  ierr = PetscStrcmp(stencil, "2d13point", &equal);CHKERRQ(ierr);
  if (equal) {      /* 13-point Cartesian stencil (width 3 per coordinate), 2D */
    ierr = MatMPIAIJSetPreallocation(A,13,NULL,13,NULL);CHKERRQ(ierr);
    ierr = MatSeqAIJSetPreallocation(A,13,NULL);CHKERRQ(ierr);
    ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
    for (Ii=Istart; Ii<Iend; Ii++) {
      v = -1.0; k = Ii / (m*n); j = (Ii - k * m * n) / m; i = (Ii - k * m * n - j * m);
      if (i>0)   {J = global_index(i-1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>1)   {J = global_index(i-2,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>2)   {J = global_index(i-3,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1) {J = global_index(i+1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-2) {J = global_index(i+2,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-3) {J = global_index(i+3,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>0)   {J = global_index(i,j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>1)   {J = global_index(i,j-2,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>2)   {J = global_index(i,j-3,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1) {J = global_index(i,j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-2) {J = global_index(i,j+2,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-3) {J = global_index(i,j+3,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      v = 12.0; ierr = MatSetValues(A,1,&Ii,1,&Ii,&v,INSERT_VALUES);CHKERRQ(ierr);
    }
  }
  /************ 3D stencils ***************/
  ierr = PetscStrcmp(stencil, "3d7point", &equal);CHKERRQ(ierr);
  if (equal) {      /* 7-point stencil, 3D */
    ierr = MatMPIAIJSetPreallocation(A,7,NULL,7,NULL);CHKERRQ(ierr);
    ierr = MatSeqAIJSetPreallocation(A,7,NULL);CHKERRQ(ierr);
    ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
    for (Ii=Istart; Ii<Iend; Ii++) {
      v = -1.0; k = Ii / (m*n); j = (Ii - k * m * n) / m; i = (Ii - k * m * n - j * m);
      if (i>0)   {J = global_index(i-1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1) {J = global_index(i+1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>0)   {J = global_index(i,j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1) {J = global_index(i,j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (k>0)   {J = global_index(i,j,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (k<o-1) {J = global_index(i,j,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      v = 6.0; ierr = MatSetValues(A,1,&Ii,1,&Ii,&v,INSERT_VALUES);CHKERRQ(ierr);
    }
  }
  ierr = PetscStrcmp(stencil, "3d13point", &equal);CHKERRQ(ierr);
  if (equal) {      /* 13-point stencil, 3D */
    ierr = MatMPIAIJSetPreallocation(A,13,NULL,13,NULL);CHKERRQ(ierr);
    ierr = MatSeqAIJSetPreallocation(A,13,NULL);CHKERRQ(ierr);
    ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
    for (Ii=Istart; Ii<Iend; Ii++) {
      v = -1.0; k = Ii / (m*n); j = (Ii - k * m * n) / m; i = (Ii - k * m * n - j * m);
      if (i>0)   {J = global_index(i-1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>1)   {J = global_index(i-2,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1) {J = global_index(i+1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-2) {J = global_index(i+2,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>0)   {J = global_index(i,j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>1)   {J = global_index(i,j-2,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1) {J = global_index(i,j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-2) {J = global_index(i,j+2,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (k>0)   {J = global_index(i,j,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (k>1)   {J = global_index(i,j,k-2,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (k<o-1) {J = global_index(i,j,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (k<o-2) {J = global_index(i,j,k+2,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      v = 12.0; ierr = MatSetValues(A,1,&Ii,1,&Ii,&v,INSERT_VALUES);CHKERRQ(ierr);
    }
  }
  ierr = PetscStrcmp(stencil, "3d19point", &equal);CHKERRQ(ierr);
  if (equal) {      /* 19-point stencil, 3D */
    ierr = MatMPIAIJSetPreallocation(A,19,NULL,19,NULL);CHKERRQ(ierr);
    ierr = MatSeqAIJSetPreallocation(A,19,NULL);CHKERRQ(ierr);
    ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
    for (Ii=Istart; Ii<Iend; Ii++) {
      v = -1.0; k = Ii / (m*n); j = (Ii - k * m * n) / m; i = (Ii - k * m * n - j * m);
      /* one hop */
      if (i>0)   {J = global_index(i-1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1) {J = global_index(i+1,j,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>0)   {J = global_index(i,j-1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1) {J = global_index(i,j+1,k,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (k>0)   {J = global_index(i,j,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (k<o-1) {J = global_index(i,j,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      /* two hops */
      if (i>0   && j>0)   {J = global_index(i-1,j-1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>0   && k>0)   {J = global_index(i-1,j,  k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>0   && j<n-1) {J = global_index(i-1,j+1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i>0   && k<o-1) {J = global_index(i-1,j,  k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1 && j>0)   {J = global_index(i+1,j-1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1 && k>0)   {J = global_index(i+1,j,  k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1 && j<n-1) {J = global_index(i+1,j+1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (i<m-1 && k<o-1) {J = global_index(i+1,j,  k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>0   && k>0)   {J = global_index(i,  j-1,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j>0   && k<o-1) {J = global_index(i,  j-1,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1 && k>0)   {J = global_index(i,  j+1,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      if (j<n-1 && k<o-1) {J = global_index(i,  j+1,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
      v = 18.0; ierr = MatSetValues(A,1,&Ii,1,&Ii,&v,INSERT_VALUES);CHKERRQ(ierr);
    }
  }
  ierr = PetscStrcmp(stencil, "3d27point", &equal);CHKERRQ(ierr);
  if (equal) {      /* 27-point stencil, 3D */
    ierr = MatMPIAIJSetPreallocation(A,27,NULL,27,NULL);CHKERRQ(ierr);
    ierr = MatSeqAIJSetPreallocation(A,27,NULL);CHKERRQ(ierr);
    ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
    for (Ii=Istart; Ii<Iend; Ii++) {
      v = -1.0; k = Ii / (m*n); j = (Ii - k * m * n) / m; i = (Ii - k * m * n - j * m);
      if (k>0) {
        if (j>0) {
          if (i>0)   {J = global_index(i-1,j-1,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j-1,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j-1,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
        {
          if (i>0)   {J = global_index(i-1,j,  k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j,  k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j,  k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
        if (j<n-1) {
          if (i>0)   {J = global_index(i-1,j+1,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j+1,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j+1,k-1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
      }
      {
        if (j>0) {
          if (i>0)   {J = global_index(i-1,j-1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j-1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j-1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
        {
          if (i>0)   {J = global_index(i-1,j,  k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j,  k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j,  k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
        if (j<n-1) {
          if (i>0)   {J = global_index(i-1,j+1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j+1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j+1,k  ,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
      }
      if (k<o-1) {
        if (j>0) {
          if (i>0)   {J = global_index(i-1,j-1,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j-1,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j-1,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
        {
          if (i>0)   {J = global_index(i-1,j,  k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j,  k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j,  k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
        if (j<n-1) {
          if (i>0)   {J = global_index(i-1,j+1,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
                      J = global_index(i,  j+1,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);
          if (i<m-1) {J = global_index(i+1,j+1,k+1,m,n); ierr = MatSetValues(A,1,&Ii,1,&J,&v,INSERT_VALUES);CHKERRQ(ierr);}
        }
      }
      v = 26.0; ierr = MatSetValues(A,1,&Ii,1,&Ii,&v,INSERT_VALUES);CHKERRQ(ierr);
    }
  }
  ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);

  /* Copy A into B in order to have a more representative benchmark (A*A has more cache hits than A*B) */
  ierr = MatDuplicate(A,MAT_COPY_VALUES,&B);CHKERRQ(ierr);

  ierr = PetscLogStageRegister("Full MatMatMult",&fullMatMatMultStage);CHKERRQ(ierr);

  /* Test C = A*B */
  ierr = PetscLogStagePush(fullMatMatMultStage);CHKERRQ(ierr);
  ierr = MatMatMult(A,B,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&C);CHKERRQ(ierr);

  /* Test PtAP_squared = PtAP(C,C)*PtAP(C,C)  */
  ierr = MatPtAP(C,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&PtAP);CHKERRQ(ierr);
  ierr = MatDuplicate(PtAP,MAT_COPY_VALUES,&PtAP_copy);CHKERRQ(ierr);
  ierr = MatMatMult(PtAP,PtAP_copy,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&PtAP_squared);CHKERRQ(ierr);

  ierr = MatView(C,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
  ierr = MatView(PtAP_squared,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);


  ierr = MatDestroy(&PtAP_squared);CHKERRQ(ierr);
  ierr = MatDestroy(&PtAP_copy);CHKERRQ(ierr);
  ierr = MatDestroy(&PtAP);CHKERRQ(ierr);
  ierr = MatDestroy(&C);CHKERRQ(ierr);
  ierr = MatDestroy(&B);CHKERRQ(ierr);
  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return ierr;
}
コード例 #17
0
ファイル: Geometry.c プロジェクト: xdavidliu/SALT.jl
Geometry CreateGeometry(int N[3], double h[3], int Npml[3], int Nc, int LowerPML, double *eps, double *epsI, double *fprof, double wa, double y){
	int i;

        Geometry geo = (Geometry) malloc(sizeof(struct Geometry_s));
	geo->Nc = Nc;
	geo->LowerPML = LowerPML;
	geo->interference = 0.0; // default no interference

	for(i=0; i<3; i++){
		geo->h[i] = h[i];
		geo->Npml[i] = Npml[i];
	}

	CreateGrid(&geo->gN, N, geo->Nc, 2);
	CreateGrid(&geo->gM, N, 1, 1); // 3/3/14: set M = N as per Steven

	CreateVec(2*Nxyzc(geo)+2, &geo->vepspml);

	int manual_epspml = 0;
	PetscOptionsGetInt(PETSC_NULL,PETSC_NULL,"-manual_epspml", &manual_epspml, NULL);

	if(manual_epspml == 0){
		Vecfun pml;
		CreateVecfun(&pml,geo->vepspml);
		for(i=pml.ns; i<pml.ne; i++){
			Point p;
			CreatePoint_i(&p, i, &geo->gN);
			project(&p, 3);
			dcomp eps_geoal;
			eps_geoal = pmlval(xyzc(&p), N, geo->Npml, geo->h, geo->LowerPML, 0);
			setr(&pml, i, p.ir? cimag(eps_geoal) : creal(eps_geoal) );
		}
		DestroyVecfun(&pml);
	}

	CreateVec(Mxyz(geo), &geo->vMscratch[0]);

	for(i=0; i<SCRATCHNUM; i++){
		geo->vNhscratch[i] = 0; // allows checking whether vN created or not
		if(i>0)VecDuplicate(geo->vMscratch[0], &geo->vMscratch[i]);
	}

	double *scratch;
	int ms, me;
	VecGetOwnershipRange(geo->vMscratch[0], &ms, &me);

	if( !manual_epspml){
		VecGetArray(geo->vMscratch[0], &scratch);
		for(i=ms; i<me;i++)
			scratch[i-ms] = eps[i-ms];
		VecRestoreArray(geo->vMscratch[0], &scratch);
	}	

	CreateVec(2*Nxyzc(geo)+2, &geo->vH);
	VecDuplicate(geo->vH, &geo->veps);
	VecDuplicate(geo->vH, &geo->vIeps);
	for(i=0; i<SCRATCHNUM; i++) VecDuplicate(geo->vH, &geo->vscratch[i]);
	VecSet(geo->vH, 1.0);

	if( !manual_epspml){
		VecShift(geo->vMscratch[0], -1.0); //hack, for background dielectric
		InterpolateVec(geo, geo->vMscratch[0], geo->vscratch[1]);

		VecShift(geo->vscratch[1], 1.0);
		VecPointwiseMult(geo->veps, geo->vscratch[1], geo->vepspml);

		if(epsI != NULL){ // imaginary part of passive dielectric
			VecGetArray(geo->vMscratch[0], &scratch);
			for(i=ms; i<me; i++){
				scratch[i-ms] = epsI[i-ms];
			}
			VecRestoreArray(geo->vMscratch[0], &scratch);

			InterpolateVec(geo, geo->vMscratch[0], geo->vscratch[1]);
			VecPointwiseMult(geo->vscratch[1], geo->vscratch[1], geo->vepspml);

			TimesI(geo, geo->vscratch[1], geo->vscratch[2]);
			VecAXPY(geo->veps, 1.0, geo->vscratch[2]);
		}
	}

	if(manual_epspml){
		char epsManualfile[PETSC_MAX_PATH_LEN];
		PetscOptionsGetString(PETSC_NULL,PETSC_NULL,"-epsManualfile", epsManualfile, PETSC_MAX_PATH_LEN, NULL);
		FILE *fp = fopen(epsManualfile, "r");
		ReadVectorC(fp, 2*Nxyzc(geo)+2, geo->veps);
		// 07/11/15: if manual_epspml, then directly read in the Nxyzcr+2 vector
		fclose(fp);
	}

	TimesI(geo, geo->veps, geo->vIeps); 
	// vIeps for convenience only, make sure to update it later if eps ever changes!

	geo->D = 0.0;
	geo->wa = wa;
	geo->y = y;


	VecDuplicate(geo->veps, &geo->vf);
	VecDuplicate(geo->vMscratch[0], &geo->vfM);
	VecGetArray(geo->vfM, &scratch);
	for(i=ms; i<me;i++)
		scratch[i-ms] = fprof[i-ms];
	VecRestoreArray(geo->vfM, &scratch);

	InterpolateVec(geo, geo->vfM, geo->vf);

        return geo;
}
コード例 #18
0
ファイル: parallel.c プロジェクト: kanika901/lighthouse
int main(int argc,char **args)
{
  Mat            A;        /* linear system matrix */
  PetscErrorCode ierr;
  PetscMPIInt    rank=0;
  PetscBool      flg;
  PetscViewer    fd;         /* viewer */
  PetscViewer    log;
  char           file[PETSC_MAX_PATH_LEN];
  char           logfile[PETSC_MAX_PATH_LEN];
  char           lockfile[PETSC_MAX_PATH_LEN], tmpstr[PETSC_MAX_PATH_LEN], dirname[PETSC_MAX_PATH_LEN], matrix[PETSC_MAX_PATH_LEN];
  char           hash[20];

  PetscLogDouble solveTime,endTime,startTime;
  PetscInt       its;
  PetscReal      norm;
  KSP            ksp; // Linear solver context
  Vec            b,x,u; // RHS, solution, vector for norm calculation
  PetscScalar    one = 1.0;
  PetscInt	 m, n, i;
  FILE           *lock;

/*
  if (rank == 0) {
    printf("Command line arguments:\n");
    for (i=0; i < argc; i++) 
      printf("%d: %s\n", i, args[i]);
  }
  // Save args
  int argcount = argc;
  char **argv = (char**) malloc (argc*sizeof(char*));
  for (i=0; i < argc; i++) {
    argv[i] = (char*) malloc(strlen(args[i]) + 1);
    strcpy(argv[i],args[i]);
  }
  MPI_Comm_rank(MPI_COMM_WORLD,&rank);
*/
  PetscInitialize(&argc,&args,(char *)0,help);
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);

  ierr = PetscOptionsGetString(PETSC_NULL,"-hash",hash,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) {
    strcpy(hash,"nohash");
  }

  ierr = PetscOptionsGetString(PETSC_NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) {
    PetscPrintf(PETSC_COMM_WORLD,"Must indicate matrix file with the -f option");
  }
  /* Create lock file */
  if (rank == 0) {
    for (i = strlen(file); i> 0; i--) if (file[i] == '.') break;
    strncpy(tmpstr, file, i-1);
    for (i = strlen(tmpstr); i> 0; i--) if (file[i] == '/') break;
    strncpy(dirname, tmpstr, i);
    dirname[i] = '\0';
    sprintf(lockfile,"%s/../timing/.%s.%s", dirname, basename(tmpstr), hash);
    sprintf(logfile,"%s/../timing/%s.%s.log", dirname, basename(tmpstr), hash);
    lock =  fopen(lockfile, "w");
    fprintf(lock, "%s\n", file);
    fclose(lock);
  }
  /* Read file */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
  // Create matrix
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatSetType(A,MATMPIAIJ); CHKERRQ(ierr);
  ierr = MatSetFromOptions(A);CHKERRQ(ierr);
  // Load matrix from file
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);
  ierr = MatGetSize(A, &m, &n); CHKERRQ(ierr);
  // Assemble matrix
  //ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  //ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);

  // Create RHS vector
  ierr = VecCreate(PETSC_COMM_WORLD,&b);CHKERRQ(ierr);
  ierr = VecSetSizes(b,PETSC_DECIDE,n); CHKERRQ(ierr);
  ierr = VecSetFromOptions(b);CHKERRQ(ierr);
  ierr = VecSet(b,one);  CHKERRQ(ierr);
  //ierr = VecLoad(b,fd);CHKERRQ(ierr);
  // Create vectors x and u
  ierr = VecDuplicate(b,&x);CHKERRQ(ierr);
  ierr = VecDuplicate(b,&u);CHKERRQ(ierr);

  // Create KSP
  ierr = KSPCreate(PETSC_COMM_WORLD,&ksp); CHKERRQ(ierr);
  ierr = KSPSetInitialGuessNonzero(ksp,PETSC_FALSE);CHKERRQ(ierr);
  ierr = KSPSetOperators(ksp,A,A);CHKERRQ(ierr);
  ierr = KSPSetFromOptions(ksp); CHKERRQ(ierr);
  // Setup KSP
  ierr = KSPSetUp(ksp);CHKERRQ(ierr);
  ierr = KSPSetUpOnBlocks(ksp);CHKERRQ(ierr);
  // Get start time
  ierr = PetscTime(&startTime);CHKERRQ(ierr);
  // Get KSP and PC type
  KSPType kt;
  ierr = KSPGetType(ksp,&kt);
  PC pc;
  ierr = KSPGetPC(ksp,&pc);
  PCType pt;
  ierr = PCGetType(pc,&pt);
  // Print method info
  ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD, logfile, &log); CHKERRQ(ierr);
  ierr = PetscViewerASCIIPrintf(log, "Hash: %s\n", hash);
  ierr = PetscViewerASCIIPrintf(log, "%s | %s",kt,pt);CHKERRQ(ierr);
  // Make sure the program doesn't crash 
  // while trying to solve the system
  PetscPushErrorHandler(PetscIgnoreErrorHandler,NULL);
  ierr = KSPSolve(ksp,b,x);
  PetscPopErrorHandler();
  // Check if anything went wrong
  if(ierr == 0 || ierr == -1){ 
    // If no error occurred or stopped by MyKSPMonitor, 
    // compute normal and stuff
    ierr = KSPGetIterationNumber(ksp,&its);CHKERRQ(ierr);
    ierr = MatMult(A,x,u);CHKERRQ(ierr);
    ierr = VecAXPY(u,-1.0,b);CHKERRQ(ierr);
    ierr = VecNorm(u,NORM_2,&norm);CHKERRQ(ierr);
    ierr = PetscTime(&endTime);CHKERRQ(ierr);
    // Compute solve time
    solveTime = endTime - startTime;
    // Check if KSP converged
    KSPConvergedReason reason;
    KSPGetConvergedReason(ksp,&reason);
    // Print convergence code, solve time, preconditioned norm, iterations
    ierr = PetscViewerASCIIPrintf(log, " | %D | %e | %g | %D\n",reason,solveTime,norm,its);CHKERRQ(ierr);
    ierr = KSPView(ksp,log);
    ierr = PCView(pc,log);
    ierr = PetscLogView(log);
  }
  else{
    // Disaster happened, bail out
    if (rank == 0) remove(lockfile);
    PetscFinalize();
    return 0;
  }
  // Again, destroy KSP and vector
  ierr = KSPDestroy(&ksp);CHKERRQ(ierr);
  ierr = VecDestroy(&x);CHKERRQ(ierr);
  ierr = VecDestroy(&b);CHKERRQ(ierr);
  ierr = VecDestroy(&u);CHKERRQ(ierr);  

  if (rank == 0) remove(lockfile);
  PetscFinalize();
  return 0;
}
コード例 #19
0
ファイル: dlregismat.c プロジェクト: feelpp/debian-petsc
/*@C
  MatInitializePackage - This function initializes everything in the Mat package. It is called
  from PetscDLLibraryRegister() when using dynamic libraries, and on the first call to MatCreate()
  when using static libraries.

  Level: developer

.keywords: Mat, initialize, package
.seealso: PetscInitialize()
@*/
PetscErrorCode  MatInitializePackage(void)
{
  char           logList[256];
  char           *className;
  PetscBool      opt;
  PetscErrorCode ierr;

  PetscFunctionBegin;
  if (MatPackageInitialized) PetscFunctionReturn(0);
  MatPackageInitialized = PETSC_TRUE;
  /* Inialize subpackage */
  ierr = MatMFFDInitializePackage();CHKERRQ(ierr);
  /* Register Classes */
  ierr = PetscClassIdRegister("Matrix",&MAT_CLASSID);CHKERRQ(ierr);
  ierr = PetscClassIdRegister("Matrix FD Coloring",&MAT_FDCOLORING_CLASSID);CHKERRQ(ierr);
  ierr = PetscClassIdRegister("Matrix MatTranspose Coloring",&MAT_TRANSPOSECOLORING_CLASSID);CHKERRQ(ierr);
  ierr = PetscClassIdRegister("Matrix Partitioning",&MAT_PARTITIONING_CLASSID);CHKERRQ(ierr);
  ierr = PetscClassIdRegister("Matrix Coarsen",&MAT_COARSEN_CLASSID);CHKERRQ(ierr);
  ierr = PetscClassIdRegister("Matrix Null Space",&MAT_NULLSPACE_CLASSID);CHKERRQ(ierr);
  /* Register Constructors */
  ierr = MatRegisterAll();CHKERRQ(ierr);
  ierr = MatOrderingRegisterAll();CHKERRQ(ierr);
  ierr = MatColoringRegisterAll();CHKERRQ(ierr);
  ierr = MatPartitioningRegisterAll();CHKERRQ(ierr);
  ierr = MatCoarsenRegisterAll();CHKERRQ(ierr);
  /* Register Events */
  ierr = PetscLogEventRegister("MatMult",          MAT_CLASSID,&MAT_Mult);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMults",         MAT_CLASSID,&MAT_Mults);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMultConstr",    MAT_CLASSID,&MAT_MultConstrained);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMultAdd",       MAT_CLASSID,&MAT_MultAdd);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMultTranspose", MAT_CLASSID,&MAT_MultTranspose);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMultTrConstr",  MAT_CLASSID,&MAT_MultTransposeConstrained);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMultTrAdd",     MAT_CLASSID,&MAT_MultTransposeAdd);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSolve",         MAT_CLASSID,&MAT_Solve);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSolves",        MAT_CLASSID,&MAT_Solves);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSolveAdd",      MAT_CLASSID,&MAT_SolveAdd);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSolveTranspos", MAT_CLASSID,&MAT_SolveTranspose);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSolveTrAdd",    MAT_CLASSID,&MAT_SolveTransposeAdd);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSOR",           MAT_CLASSID,&MAT_SOR);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatForwardSolve",  MAT_CLASSID,&MAT_ForwardSolve);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatBackwardSolve", MAT_CLASSID,&MAT_BackwardSolve);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatLUFactor",      MAT_CLASSID,&MAT_LUFactor);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatLUFactorSym",   MAT_CLASSID,&MAT_LUFactorSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatLUFactorNum",   MAT_CLASSID,&MAT_LUFactorNumeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatCholeskyFctr",  MAT_CLASSID,&MAT_CholeskyFactor);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatCholFctrSym",   MAT_CLASSID,&MAT_CholeskyFactorSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatCholFctrNum",   MAT_CLASSID,&MAT_CholeskyFactorNumeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatILUFactor",     MAT_CLASSID,&MAT_ILUFactor);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatILUFactorSym",  MAT_CLASSID,&MAT_ILUFactorSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatICCFactorSym",  MAT_CLASSID,&MAT_ICCFactorSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatCopy",          MAT_CLASSID,&MAT_Copy);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatConvert",       MAT_CLASSID,&MAT_Convert);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatScale",         MAT_CLASSID,&MAT_Scale);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatAssemblyBegin", MAT_CLASSID,&MAT_AssemblyBegin);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatAssemblyEnd",   MAT_CLASSID,&MAT_AssemblyEnd);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSetValues",     MAT_CLASSID,&MAT_SetValues);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetValues",     MAT_CLASSID,&MAT_GetValues);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetRow",        MAT_CLASSID,&MAT_GetRow);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetRowIJ",      MAT_CLASSID,&MAT_GetRowIJ);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetSubMatrice", MAT_CLASSID,&MAT_GetSubMatrices);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetColoring",   MAT_CLASSID,&MAT_GetColoring);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetOrdering",   MAT_CLASSID,&MAT_GetOrdering);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatIncreaseOvrlp", MAT_CLASSID,&MAT_IncreaseOverlap);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatPartitioning",  MAT_PARTITIONING_CLASSID,&MAT_Partitioning);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatCoarsen",  MAT_COARSEN_CLASSID,&MAT_Coarsen);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatZeroEntries",   MAT_CLASSID,&MAT_ZeroEntries);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatLoad",          MAT_CLASSID,&MAT_Load);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatView",          MAT_CLASSID,&MAT_View);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatAXPY",          MAT_CLASSID,&MAT_AXPY);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatFDColorCreate", MAT_FDCOLORING_CLASSID,&MAT_FDColoringCreate);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatFDColorApply",  MAT_FDCOLORING_CLASSID,&MAT_FDColoringApply);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatFDColorFunc",   MAT_FDCOLORING_CLASSID,&MAT_FDColoringFunction);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatTranspose",     MAT_CLASSID,&MAT_Transpose);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatMult",       MAT_CLASSID,&MAT_MatMult);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatSolve",      MAT_CLASSID,&MAT_MatSolve);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatMultSym",    MAT_CLASSID,&MAT_MatMultSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatMultNum",    MAT_CLASSID,&MAT_MatMultNumeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatMatMult",    MAT_CLASSID,&MAT_MatMatMult);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatMatMultSym", MAT_CLASSID,&MAT_MatMatMultSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatMatMultNum", MAT_CLASSID,&MAT_MatMatMultNumeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatPtAP",          MAT_CLASSID,&MAT_PtAP);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatPtAPSymbolic",  MAT_CLASSID,&MAT_PtAPSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatPtAPNumeric",   MAT_CLASSID,&MAT_PtAPNumeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatRARt",          MAT_CLASSID,&MAT_RARt);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatRARtSymbolic",  MAT_CLASSID,&MAT_RARtSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatRARtNumeric",   MAT_CLASSID,&MAT_RARtNumeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatTransMult",  MAT_CLASSID,&MAT_MatTransposeMult);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatTrnMultSym", MAT_CLASSID,&MAT_MatTransposeMultSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMatTrnMultNum", MAT_CLASSID,&MAT_MatTransposeMultNumeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatTrnMatMult",    MAT_CLASSID,&MAT_TransposeMatMult);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatTrnMatMultSym", MAT_CLASSID,&MAT_TransposeMatMultSymbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatTrnMatMultNum", MAT_CLASSID,&MAT_TransposeMatMultNumeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatTrnColorCreate", MAT_CLASSID,&MAT_TransposeColoringCreate);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetRedundant",  MAT_CLASSID,&MAT_GetRedundantMatrix);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetSeqNZStrct", MAT_CLASSID,&MAT_GetSequentialNonzeroStructure);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetMultiProcBlock", MAT_CLASSID,&MAT_GetMultiProcBlock);CHKERRQ(ierr);


  /* these may be specific to MPIAIJ matrices */
  ierr = PetscLogEventRegister("MatMPISumSeqNumeric",MAT_CLASSID,&MAT_Seqstompinum);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMPISumSeqSymbolic",MAT_CLASSID,&MAT_Seqstompisym);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMPISumSeq",MAT_CLASSID,&MAT_Seqstompi);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatMPIConcateSeq",MAT_CLASSID,&MAT_Merge);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetLocalMat",MAT_CLASSID,&MAT_Getlocalmat);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetLocalMatCondensed",MAT_CLASSID,&MAT_Getlocalmatcondensed);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetBrowsOfAcols",MAT_CLASSID,&MAT_GetBrowsOfAcols);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetBrAoCol",MAT_CLASSID,&MAT_GetBrowsOfAocols);CHKERRQ(ierr);

  ierr = PetscLogEventRegister("MatApplyPAPt_Symbolic",MAT_CLASSID,&MAT_Applypapt_symbolic);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatApplyPAPt_Numeric",MAT_CLASSID,&MAT_Applypapt_numeric);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatApplyPAPt",MAT_CLASSID,&MAT_Applypapt);CHKERRQ(ierr);

  ierr = PetscLogEventRegister("MatGetSymTrans",MAT_CLASSID,&MAT_Getsymtranspose);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatGetSymTransR",MAT_CLASSID,&MAT_Getsymtransreduced);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatTranspose_SeqAIJ_FAST",MAT_CLASSID,&MAT_Transpose_SeqAIJ);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatCUSPCopyTo",MAT_CLASSID,&MAT_CUSPCopyToGPU);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatCUSPARSECopyTo",MAT_CLASSID,&MAT_CUSPARSECopyToGPU);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSetValBatch",MAT_CLASSID,&MAT_SetValuesBatch);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSetValBatch1",MAT_CLASSID,&MAT_SetValuesBatchI);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSetValBatch2",MAT_CLASSID,&MAT_SetValuesBatchII);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSetValBatch3",MAT_CLASSID,&MAT_SetValuesBatchIII);CHKERRQ(ierr);
  ierr = PetscLogEventRegister("MatSetValBatch4",MAT_CLASSID,&MAT_SetValuesBatchIV);CHKERRQ(ierr);

  /* Turn off high traffic events by default */
  ierr = PetscLogEventSetActiveAll(MAT_SetValues, PETSC_FALSE);CHKERRQ(ierr);
  /* Process info exclusions */
  ierr = PetscOptionsGetString(NULL, "-info_exclude", logList, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    ierr = PetscStrstr(logList, "mat", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscInfoDeactivateClass(MAT_CLASSID);CHKERRQ(ierr);
    }
  }
  /* Process summary exclusions */
  ierr = PetscOptionsGetString(NULL, "-log_summary_exclude", logList, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    ierr = PetscStrstr(logList, "mat", &className);CHKERRQ(ierr);
    if (className) {
      ierr = PetscLogEventDeactivateClass(MAT_CLASSID);CHKERRQ(ierr);
    }
  }
  ierr = PetscRegisterFinalize(MatFinalizePackage);CHKERRQ(ierr);
  PetscFunctionReturn(0);
}
コード例 #20
0
ファイル: MAD.cpp プロジェクト: bishtg/pflotran-for-testing
MAD::MAD(Grid **grid_) {

  ifc_polygon = NULL;
  river_polygon = NULL;
  ascii_grids = NULL;
  spp_polygon = NULL;

  PetscReal mx = 1.;
  PetscReal my = 1.;
  PetscReal mz = 1.;

  PetscInt nx, ny, nz;

  char filename[1024];
  PetscBool option_found;
  strcpy(filename,"mdt.in");
  PetscOptionsGetString(PETSC_NULL,"-mdtin",filename,1024,&option_found);

  FileIO *file = new FileIO(filename);
  file->getLine();
  file->readInt(&nx);
  file->readInt(&ny);
  file->readInt(&nz);
  delete file;

  PetscReal dx;
  PetscReal dy;
  PetscReal dz;// */

  PetscReal len_x = 120.;
  PetscReal len_y = 122;
  PetscReal len_z = 60.;

  dx = len_x/(PetscReal)nx;
  dy = len_y/(PetscReal)ny;
  dz = len_z/(PetscReal)nz;

  PetscInt n = nx*ny*nz;

  PetscPrintf(PETSC_COMM_WORLD,"nx = %d, dx = %f, lenx = %f\n",nx,dx,nx*dx);
  PetscPrintf(PETSC_COMM_WORLD,"ny = %d, dy = %f, leny = %f\n",ny,dy,ny*dy);
  PetscPrintf(PETSC_COMM_WORLD,"nz = %d, dz = %f, lenz = %f\n",nz,dz,nz*dz);
  *grid_ = new Grid(nx,ny,nz);
  Grid *grid = *grid_;

// grid spacing with a bias
#if 0
  PetscReal sum_x = 0.;
  PetscReal sum_y = 0.;
  dx = 0.8470329472543
  PetscReal *dx_array = new double[nx];
  PetscReal *dy_array = new double[ny];
  PetscReal *dz_array = new double[nz];
  for (int i=0; i<nx; i++)
    dx_array[i] = 10.;
  for (int i=0; i<ny; i++)
    dy_array[i] = 10.;
  for (int i=0; i<nz; i++)
    dz_array[i] = 0.25;

  for (int i=11; i<19; i++) {
    dx_array[i] = 10.*pow(1.30242241518419,(double)(10-i));
    sum_x += dx_array[i];
  }

  for (int i=19; i<89; i++) {
    dx_array[i] = 1.;
    sum_x += dx_array[i];
  }

  for (int i=89; i<97; i++) {
    dx_array[i] = 10.*pow(1.30242241518419,(double)(i-97));
    sum_x += dx_array[i];
  }

  for (int i=97; i<9; i++) {
    dy_array[110+i] = 10.*pow(1.353088,i+1.);
    dy_array[9-i] = 10.*pow(1.353088,i+1.);
    sum_y += dy_array[9-i];
  }
  grid->setGridSpacing(dx_array,dy_array,dz_array);
#else
  grid->setGridSpacing(dx,dy,dz);
#endif

//  grid->setOrigin(593618.9,114565.1,70.);
  grid->setRotation(34.); // must come before ->setOrigin()
  grid->setOrigin(594237.2891,115984.7447,70.);

//  grid->computeCoordinates();
//  grid->computeConnectivity();
  grid->computeCellMapping();
  grid->setUpCells();
  grid->computeVertexMapping();
  grid->setUpVertices();
  grid->mapVerticesToCells();

  ifc_polygon = new Polygon();
  ifc_polygon->createIFCPolygon();

#if 0
  char ascii_filename[1024];
  strcpy(ascii_filename,"test.asc");
  AsciiGrid **ascii_grid = new AsciiGrid*[2];
  ascii_grid[0] = new AsciiGrid(ascii_filename);
  ascii_grid[0]->setMaterialId(1);
  ascii_grid[1] = new AsciiGrid("default",2,2,-1.e10,-1.e10,1.e10,-9999.,
                                1.e20,0); 
#else

  AsciiGrid::nasciigrids = 6;
  string *grid_filenames = new string[AsciiGrid::nasciigrids];
#if 0
  grid_filenames[0].append("./basalt_300area.asc");
  grid_filenames[1].append("./u9_300area.asc");
  grid_filenames[2].append("./u8_300area.asc");
  grid_filenames[3].append("./u5gravel_300area.asc");
  grid_filenames[4].append("./u5silt_300area.asc");
  grid_filenames[5].append("./newbath_10mDEM_grid.ascii");
#else
  grid_filenames[0].append("../basalt_300area.asc");
  grid_filenames[1].append("../u9_300area.asc");
  grid_filenames[2].append("../u8_300area.asc");
  grid_filenames[3].append("../u5gravel_300area.asc");
  grid_filenames[4].append("../u5silt_300area.asc");
  grid_filenames[5].append("../newbath_10mDEM_grid.ascii");
#endif

  ascii_grids = new AsciiGrid*[AsciiGrid::nasciigrids];
  for (PetscInt i=0; i<AsciiGrid::nasciigrids; i++) {
    char filename[32];
    strcpy(filename,grid_filenames[i].c_str());
    ascii_grids[i] = new AsciiGrid(filename);
  }
  ascii_grids[0]->setMaterialId(10);
  ascii_grids[1]->setMaterialId(9);
  ascii_grids[2]->setMaterialId(8);
  ascii_grids[3]->setMaterialId(6);
  ascii_grids[4]->setMaterialId(5);
  ascii_grids[5]->setMaterialId(1);

  PetscInt mod = grid->num_cells_ghosted/10;
  for (PetscInt i=0; i<grid->num_cells_ghosted; i++) {
    PetscInt material_id = 0;
    PetscReal x = grid->cells[i].getX();
    PetscReal y = grid->cells[i].getY();
    PetscReal z = grid->cells[i].getZ();
    for (PetscInt ilayer=0; ilayer<AsciiGrid::nasciigrids; ilayer++) {
      PetscReal zlayer = ascii_grids[ilayer]->computeElevationFromCoordinate(x,y);
      if (zlayer > ascii_grids[ilayer]->nodata && zlayer >= z) {
        material_id = ascii_grids[ilayer]->getMaterialId();
        break;
      }
    }
    if (material_id == 0) grid->cells[i].setActive(0);
    grid->cells[i].setMaterialId(material_id);
    if (river_polygon) {
      if (!river_polygon->pointInPolygon(x,y)) {
        grid->cells[i].setActive(0);
        grid->cells[i].negateMaterialId();
      }
    }
    if (i%mod == 0) {
      PetscPrintf(PETSC_COMM_WORLD,"%d of %d cells mapped with materials and activity.\n",
                  i,grid->num_cells_ghosted);
    }
  }

#endif

  flagGridCells(grid);

#if 0
  computeEastBoundary(grid,1);
  computeWestBoundary(grid,1);
  computeNorthBoundary(grid,0);
  computeSouthBoundary(grid,0);
  computeTopBoundary(grid,0);
#endif

  computeIFCBoundary(grid,ifc_polygon);

#if 0
  BoundarySet *river = grid->getBoundarySet("East");
  BoundarySet *west = grid->getBoundarySet("West");
  BoundarySet *north = grid->getBoundarySet("North");
  BoundarySet *south = grid->getBoundarySet("South");
  BoundarySet *recharge = grid->getBoundarySet("Top");
#endif

/*
  Condition *new_condition = new Condition("river.bc");
  river->condition = new_condition;
  new_condition = new Condition("west.bc");
  west->condition = new_condition;
  new_condition = new Condition("recharge.bc");
  recharge->condition = new_condition;
  new_condition = NULL;
*/  

}
コード例 #21
0
ファイル: ex73.c プロジェクト: feelpp/debian-petsc
int main(int argc,char **args)
{
  MatType         mtype = MATMPIAIJ; /* matrix format */
  Mat             A,B;               /* matrix */
  PetscViewer     fd;                /* viewer */
  char            file[PETSC_MAX_PATH_LEN];         /* input file name */
  PetscBool       flg,viewMats,viewIS,viewVecs;
  PetscInt        ierr,*nlocal,m,n;
  PetscMPIInt     rank,size;
  MatPartitioning part;
  IS              is,isn;
  Vec             xin, xout;
  VecScatter      scat;

  PetscInitialize(&argc,&args,(char*)0,help);
  ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(NULL, "-view_mats", &viewMats);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(NULL, "-view_is", &viewIS);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(NULL, "-view_vecs", &viewVecs);CHKERRQ(ierr);

  /*
     Determine file from which we read the matrix
  */
  ierr = PetscOptionsGetString(NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);

  /*
       Open binary file.  Note that we use FILE_MODE_READ to indicate
       reading from this file.
  */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);

  /*
      Load the matrix and vector; then destroy the viewer.
  */
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatSetType(A,mtype);CHKERRQ(ierr);
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = VecCreate(PETSC_COMM_WORLD,&xin);CHKERRQ(ierr);
  ierr = VecLoad(xin,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);
  if (viewMats) {
    if (!rank) printf("Original matrix:\n");
    ierr = MatView(A,PETSC_VIEWER_DRAW_WORLD);CHKERRQ(ierr);
  }
  if (viewVecs) {
    if (!rank) printf("Original vector:\n");
    ierr = VecView(xin,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
  }

  /* Partition the graph of the matrix */
  ierr = MatPartitioningCreate(PETSC_COMM_WORLD,&part);CHKERRQ(ierr);
  ierr = MatPartitioningSetAdjacency(part,A);CHKERRQ(ierr);
  ierr = MatPartitioningSetFromOptions(part);CHKERRQ(ierr);

  /* get new processor owner number of each vertex */
  ierr = MatPartitioningApply(part,&is);CHKERRQ(ierr);
  if (viewIS) {
    if (!rank) printf("IS1 - new processor ownership:\n");
    ierr = ISView(is,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
  }

  /* get new global number of each old global number */
  ierr = ISPartitioningToNumbering(is,&isn);CHKERRQ(ierr);
  if (viewIS) {
    if (!rank) printf("IS2 - new global numbering:\n");
    ierr = ISView(isn,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
  }

  /* get number of new vertices for each processor */
  ierr = PetscMalloc(size*sizeof(PetscInt),&nlocal);CHKERRQ(ierr);
  ierr = ISPartitioningCount(is,size,nlocal);CHKERRQ(ierr);
  ierr = ISDestroy(&is);CHKERRQ(ierr);

  /* get old global number of each new global number */
  ierr = ISInvertPermutation(isn,nlocal[rank],&is);CHKERRQ(ierr);
  ierr = PetscFree(nlocal);CHKERRQ(ierr);
  ierr = ISDestroy(&isn);CHKERRQ(ierr);
  ierr = MatPartitioningDestroy(&part);CHKERRQ(ierr);
  if (viewIS) {
    if (!rank) printf("IS3=inv(IS2) - old global number of each new global number:\n");
    ierr = ISView(is,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
  }

  /* move the matrix rows to the new processes they have been assigned to by the permutation */
  ierr = ISSort(is);CHKERRQ(ierr);
  ierr = MatGetSubMatrix(A,is,is,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr);
  ierr = MatDestroy(&A);CHKERRQ(ierr);

  /* move the vector rows to the new processes they have been assigned to */
  ierr = MatGetLocalSize(B,&m,&n);CHKERRQ(ierr);
  ierr = VecCreateMPI(PETSC_COMM_WORLD,m,PETSC_DECIDE,&xout);CHKERRQ(ierr);
  ierr = VecScatterCreate(xin,is,xout,NULL,&scat);CHKERRQ(ierr);
  ierr = VecScatterBegin(scat,xin,xout,INSERT_VALUES,SCATTER_FORWARD);CHKERRQ(ierr);
  ierr = VecScatterEnd(scat,xin,xout,INSERT_VALUES,SCATTER_FORWARD);CHKERRQ(ierr);
  ierr = VecScatterDestroy(&scat);CHKERRQ(ierr);
  ierr = ISDestroy(&is);CHKERRQ(ierr);
  if (viewMats) {
    if (!rank) printf("Partitioned matrix:\n");
    ierr = MatView(B,PETSC_VIEWER_DRAW_WORLD);CHKERRQ(ierr);
  }
  if (viewVecs) {
    if (!rank) printf("Mapped vector:\n");
    ierr = VecView(xout,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
  }

  {
    PetscInt          rstart,i,*nzd,*nzo,nzl,nzmax = 0,*ncols,nrow,j;
    Mat               J;
    const PetscInt    *cols;
    const PetscScalar *vals;
    PetscScalar       *nvals;

    ierr = MatGetOwnershipRange(B,&rstart,NULL);CHKERRQ(ierr);
    ierr = PetscMalloc(2*m*sizeof(PetscInt),&nzd);CHKERRQ(ierr);
    ierr = PetscMemzero(nzd,2*m*sizeof(PetscInt));CHKERRQ(ierr);
    ierr = PetscMalloc(2*m*sizeof(PetscInt),&nzo);CHKERRQ(ierr);
    ierr = PetscMemzero(nzo,2*m*sizeof(PetscInt));CHKERRQ(ierr);
    for (i=0; i<m; i++) {
      ierr = MatGetRow(B,i+rstart,&nzl,&cols,NULL);CHKERRQ(ierr);
      for (j=0; j<nzl; j++) {
        if (cols[j] >= rstart && cols[j] < rstart+n) {
          nzd[2*i] += 2;
          nzd[2*i+1] += 2;
        } else {
          nzo[2*i] += 2;
          nzo[2*i+1] += 2;
        }
      }
      nzmax = PetscMax(nzmax,nzd[2*i]+nzo[2*i]);
      ierr  = MatRestoreRow(B,i+rstart,&nzl,&cols,NULL);CHKERRQ(ierr);
    }
    ierr = MatCreateAIJ(PETSC_COMM_WORLD,2*m,2*m,PETSC_DECIDE,PETSC_DECIDE,0,nzd,0,nzo,&J);CHKERRQ(ierr);
    ierr = PetscInfo(0,"Created empty Jacobian matrix\n");CHKERRQ(ierr);
    ierr = PetscFree(nzd);CHKERRQ(ierr);
    ierr = PetscFree(nzo);CHKERRQ(ierr);
    ierr = PetscMalloc2(nzmax,PetscInt,&ncols,nzmax,PetscScalar,&nvals);CHKERRQ(ierr);
    ierr = PetscMemzero(nvals,nzmax*sizeof(PetscScalar));CHKERRQ(ierr);
    for (i=0; i<m; i++) {
      ierr = MatGetRow(B,i+rstart,&nzl,&cols,&vals);CHKERRQ(ierr);
      for (j=0; j<nzl; j++) {
        ncols[2*j]   = 2*cols[j];
        ncols[2*j+1] = 2*cols[j]+1;
      }
      nrow = 2*(i+rstart);
      ierr = MatSetValues(J,1,&nrow,2*nzl,ncols,nvals,INSERT_VALUES);CHKERRQ(ierr);
      nrow = 2*(i+rstart) + 1;
      ierr = MatSetValues(J,1,&nrow,2*nzl,ncols,nvals,INSERT_VALUES);CHKERRQ(ierr);
      ierr = MatRestoreRow(B,i+rstart,&nzl,&cols,&vals);CHKERRQ(ierr);
    }
    ierr = MatAssemblyBegin(J,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
    ierr = MatAssemblyEnd(J,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
    if (viewMats) {
      if (!rank) printf("Jacobian matrix structure:\n");
      ierr = MatView(J,PETSC_VIEWER_DRAW_WORLD);CHKERRQ(ierr);
    }
    ierr = MatDestroy(&J);CHKERRQ(ierr);
    ierr = PetscFree2(ncols,nvals);CHKERRQ(ierr);
  }

  /*
       Free work space.  All PETSc objects should be destroyed when they
       are no longer needed.
  */
  ierr = MatDestroy(&B);CHKERRQ(ierr);
  ierr = VecDestroy(&xin);CHKERRQ(ierr);
  ierr = VecDestroy(&xout);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return 0;
}
コード例 #22
0
ファイル: pf.c プロジェクト: plguhur/petsc
int main(int argc,char ** argv)
{
  PetscErrorCode ierr;
  char           pfdata_file[PETSC_MAX_PATH_LEN]="datafiles/case9.m";
  PFDATA         *pfdata;
  PetscInt       numEdges=0,numVertices=0;
  int            *edges = NULL;
  PetscInt       i;  
  DM             networkdm;
  PetscInt       componentkey[4];
  UserCtx        User;
  PetscLogStage  stage1,stage2;
  PetscMPIInt    size;
  PetscInt       eStart, eEnd, vStart, vEnd,j;
  PetscInt       genj,loadj;
  Vec            X,F;
  Mat            J;
  SNES           snes;

  PetscInitialize(&argc,&argv,"pfoptions",help);
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);

  /* Create an empty network object */
  ierr = DMNetworkCreate(PETSC_COMM_WORLD,&networkdm);CHKERRQ(ierr);
  /* Register the components in the network */
  ierr = DMNetworkRegisterComponent(networkdm,"branchstruct",sizeof(struct _p_EDGEDATA),&componentkey[0]);CHKERRQ(ierr);
  ierr = DMNetworkRegisterComponent(networkdm,"busstruct",sizeof(struct _p_VERTEXDATA),&componentkey[1]);CHKERRQ(ierr);
  ierr = DMNetworkRegisterComponent(networkdm,"genstruct",sizeof(struct _p_GEN),&componentkey[2]);CHKERRQ(ierr);
  ierr = DMNetworkRegisterComponent(networkdm,"loadstruct",sizeof(struct _p_LOAD),&componentkey[3]);CHKERRQ(ierr);

  ierr = PetscLogStageRegister("Read Data",&stage1);CHKERRQ(ierr);
  PetscLogStagePush(stage1);
  /* READ THE DATA */
  if (!rank) {
    /*    READ DATA */
    /* Only rank 0 reads the data */
    ierr = PetscOptionsGetString(NULL,NULL,"-pfdata",pfdata_file,PETSC_MAX_PATH_LEN-1,NULL);CHKERRQ(ierr);
    ierr = PetscNew(&pfdata);CHKERRQ(ierr);
    ierr = PFReadMatPowerData(pfdata,pfdata_file);CHKERRQ(ierr);
    User.Sbase = pfdata->sbase;

    numEdges = pfdata->nbranch;
    numVertices = pfdata->nbus;

    ierr = PetscMalloc(2*numEdges*sizeof(int),&edges);CHKERRQ(ierr);
    ierr = GetListofEdges(pfdata->nbranch,pfdata->branch,edges);CHKERRQ(ierr);
  }
  PetscLogStagePop();
  ierr = MPI_Barrier(PETSC_COMM_WORLD);CHKERRQ(ierr);
  ierr = PetscLogStageRegister("Create network",&stage2);CHKERRQ(ierr);
  PetscLogStagePush(stage2);
  /* Set number of nodes/edges */
  ierr = DMNetworkSetSizes(networkdm,numVertices,numEdges,PETSC_DETERMINE,PETSC_DETERMINE);CHKERRQ(ierr);
  /* Add edge connectivity */
  ierr = DMNetworkSetEdgeList(networkdm,edges);CHKERRQ(ierr);
  /* Set up the network layout */
  ierr = DMNetworkLayoutSetUp(networkdm);CHKERRQ(ierr);

  if (!rank) {
    ierr = PetscFree(edges);CHKERRQ(ierr);
  }
  /* Add network components */
  
  genj=0; loadj=0;
  ierr = DMNetworkGetEdgeRange(networkdm,&eStart,&eEnd);CHKERRQ(ierr);
  for (i = eStart; i < eEnd; i++) {
    ierr = DMNetworkAddComponent(networkdm,i,componentkey[0],&pfdata->branch[i-eStart]);CHKERRQ(ierr);
  }
  ierr = DMNetworkGetVertexRange(networkdm,&vStart,&vEnd);CHKERRQ(ierr);
  for (i = vStart; i < vEnd; i++) {
    ierr = DMNetworkAddComponent(networkdm,i,componentkey[1],&pfdata->bus[i-vStart]);CHKERRQ(ierr);
    if (pfdata->bus[i-vStart].ngen) {
      for (j = 0; j < pfdata->bus[i-vStart].ngen; j++) {
	ierr = DMNetworkAddComponent(networkdm,i,componentkey[2],&pfdata->gen[genj++]);CHKERRQ(ierr);
      }
    }
    if (pfdata->bus[i-vStart].nload) {
      for (j=0; j < pfdata->bus[i-vStart].nload; j++) {
	ierr = DMNetworkAddComponent(networkdm,i,componentkey[3],&pfdata->load[loadj++]);CHKERRQ(ierr);
      }
    }
    /* Add number of variables */
    ierr = DMNetworkAddNumVariables(networkdm,i,2);CHKERRQ(ierr);
  }
  /* Set up DM for use */
  ierr = DMSetUp(networkdm);CHKERRQ(ierr);

  if (!rank) {
    ierr = PetscFree(pfdata->bus);CHKERRQ(ierr);
    ierr = PetscFree(pfdata->gen);CHKERRQ(ierr);
    ierr = PetscFree(pfdata->branch);CHKERRQ(ierr);
    ierr = PetscFree(pfdata->load);CHKERRQ(ierr);
    ierr = PetscFree(pfdata);CHKERRQ(ierr);
  }


  ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
  if (size > 1) {
    DM distnetworkdm;
    /* Network partitioning and distribution of data */
    ierr = DMNetworkDistribute(networkdm,0,&distnetworkdm);CHKERRQ(ierr);
    ierr = DMDestroy(&networkdm);CHKERRQ(ierr);
    networkdm = distnetworkdm;
  }

  PetscLogStagePop();
  ierr = DMNetworkGetEdgeRange(networkdm,&eStart,&eEnd);CHKERRQ(ierr);
  ierr = DMNetworkGetVertexRange(networkdm,&vStart,&vEnd);CHKERRQ(ierr);
  
#if 0
  PetscInt numComponents;
  EDGEDATA edge;
  PetscInt offset,key,kk;
  DMNetworkComponentGenericDataType *arr;
  VERTEXDATA     bus;
  GEN            gen;
  LOAD           load;
   
  for (i = eStart; i < eEnd; i++) {
    ierr = DMNetworkGetComponentDataArray(networkdm,&arr);CHKERRQ(ierr);
    ierr = DMNetworkGetComponentTypeOffset(networkdm,i,0,&key,&offset);CHKERRQ(ierr);
    edge = (EDGEDATA)(arr+offset);
    ierr = DMNetworkGetNumComponents(networkdm,i,&numComponents);CHKERRQ(ierr);
    ierr = PetscPrintf(PETSC_COMM_SELF,"Rank %d ncomps = %d Line %d ---- %d\n",rank,numComponents,edge->internal_i,edge->internal_j);CHKERRQ(ierr);
  }    

  for (i = vStart; i < vEnd; i++) {
    ierr = DMNetworkGetComponentDataArray(networkdm,&arr);CHKERRQ(ierr);
    ierr = DMNetworkGetNumComponents(networkdm,i,&numComponents);CHKERRQ(ierr);
    for (kk=0; kk < numComponents; kk++) {
      ierr = DMNetworkGetComponentTypeOffset(networkdm,i,kk,&key,&offset);CHKERRQ(ierr);
      if (key == 1) {
	bus = (VERTEXDATA)(arr+offset);
	ierr = PetscPrintf(PETSC_COMM_SELF,"Rank %d ncomps = %d Bus %d\n",rank,numComponents,bus->internal_i);CHKERRQ(ierr);
      } else if (key == 2) {
	gen = (GEN)(arr+offset);
	ierr = PetscPrintf(PETSC_COMM_SELF,"Rank %d Gen pg = %f qg = %f\n",rank,gen->pg,gen->qg);CHKERRQ(ierr);
      } else if (key == 3) {
	load = (LOAD)(arr+offset);
	ierr = PetscPrintf(PETSC_COMM_SELF,"Rank %d Load pl = %f ql = %f\n",rank,load->pl,load->ql);CHKERRQ(ierr);
      }
    }
  }  
#endif  
  /* Broadcast Sbase to all processors */
  ierr = MPI_Bcast(&User.Sbase,1,MPIU_SCALAR,0,PETSC_COMM_WORLD);CHKERRQ(ierr);

  ierr = DMCreateGlobalVector(networkdm,&X);CHKERRQ(ierr);
  ierr = VecDuplicate(X,&F);CHKERRQ(ierr);

  ierr = DMCreateMatrix(networkdm,&J);CHKERRQ(ierr);
  ierr = MatSetOption(J,MAT_NEW_NONZERO_ALLOCATION_ERR,PETSC_FALSE);CHKERRQ(ierr);

  ierr = SetInitialValues(networkdm,X,&User);CHKERRQ(ierr);

  /* HOOK UP SOLVER */
  ierr = SNESCreate(PETSC_COMM_WORLD,&snes);CHKERRQ(ierr);
  ierr = SNESSetDM(snes,networkdm);CHKERRQ(ierr);
  ierr = SNESSetFunction(snes,F,FormFunction,&User);CHKERRQ(ierr);
  ierr = SNESSetJacobian(snes,J,J,FormJacobian,&User);CHKERRQ(ierr);
  ierr = SNESSetFromOptions(snes);CHKERRQ(ierr);

  ierr = SNESSolve(snes,NULL,X);CHKERRQ(ierr);

  ierr = VecDestroy(&X);CHKERRQ(ierr);
  ierr = VecDestroy(&F);CHKERRQ(ierr);
  ierr = MatDestroy(&J);CHKERRQ(ierr);

  ierr = SNESDestroy(&snes);CHKERRQ(ierr);
  ierr = DMDestroy(&networkdm);CHKERRQ(ierr);

  PetscFinalize();
  return 0;
}
コード例 #23
0
ファイル: init.c プロジェクト: erdc-cm/petsc-dev
PetscErrorCode  PetscOptionsCheckInitial_Private(void)
{
  char           string[64],mname[PETSC_MAX_PATH_LEN],*f;
  MPI_Comm       comm = PETSC_COMM_WORLD;
  PetscBool      flg1 = PETSC_FALSE,flg2 = PETSC_FALSE,flg3 = PETSC_FALSE,flg4 = PETSC_FALSE,flag;
  PetscErrorCode ierr;
  PetscReal      si,logthreshold;
  int            i;
  PetscMPIInt    rank;
  char           version[256];
#if defined(PETSC_USE_SERVER)
  PetscBool      flgz;
#endif

  PetscFunctionBegin;
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);

  /*
      Setup the memory management; support for tracing malloc() usage
  */
  ierr = PetscOptionsHasName(PETSC_NULL,"-malloc_log",&flg3);CHKERRQ(ierr);
  logthreshold = 0.0;
  ierr = PetscOptionsGetReal(PETSC_NULL,"-malloc_log_threshold",&logthreshold,&flg1);CHKERRQ(ierr);
  if (flg1) flg3 = PETSC_TRUE;
#if defined(PETSC_USE_DEBUG)
  ierr = PetscOptionsGetBool(PETSC_NULL,"-malloc",&flg1,&flg2);CHKERRQ(ierr);
  if ((!flg2 || flg1) && !petscsetmallocvisited) {
    if (flg2 || !(PETSC_RUNNING_ON_VALGRIND)) {
      /* turn off default -malloc if valgrind is being used */
      ierr = PetscSetUseTrMalloc_Private();CHKERRQ(ierr);
    }
  }
#else
  ierr = PetscOptionsGetBool(PETSC_NULL,"-malloc_dump",&flg1,PETSC_NULL);CHKERRQ(ierr);
  ierr = PetscOptionsGetBool(PETSC_NULL,"-malloc",&flg2,PETSC_NULL);CHKERRQ(ierr);
  if (flg1 || flg2 || flg3) {ierr = PetscSetUseTrMalloc_Private();CHKERRQ(ierr);}
#endif
  if (flg3) {
    ierr = PetscMallocSetDumpLogThreshold((PetscLogDouble)logthreshold);CHKERRQ(ierr);
  }
  flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-malloc_debug",&flg1,PETSC_NULL);CHKERRQ(ierr);
  if (flg1) {
    ierr = PetscSetUseTrMalloc_Private();CHKERRQ(ierr);
    ierr = PetscMallocDebug(PETSC_TRUE);CHKERRQ(ierr);
  }
  flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-malloc_test",&flg1,PETSC_NULL);CHKERRQ(ierr);
#if defined(PETSC_USE_DEBUG)
  if (flg1 && !PETSC_RUNNING_ON_VALGRIND) {
    ierr = PetscSetUseTrMalloc_Private();CHKERRQ(ierr);
    ierr = PetscMallocSetDumpLog();CHKERRQ(ierr);
    ierr = PetscMallocDebug(PETSC_TRUE);CHKERRQ(ierr);
  }
#endif

  flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-malloc_info",&flg1,PETSC_NULL);CHKERRQ(ierr);
  if (!flg1) {
    flg1 = PETSC_FALSE;
    ierr = PetscOptionsGetBool(PETSC_NULL,"-memory_info",&flg1,PETSC_NULL);CHKERRQ(ierr);
  }
  if (flg1) {
    ierr = PetscMemorySetGetMaximumUsage();CHKERRQ(ierr);
  }

  /*
      Set the display variable for graphics
  */
  ierr = PetscSetDisplay();CHKERRQ(ierr);

  /*
      Print the PETSc version information
  */
  ierr = PetscOptionsHasName(PETSC_NULL,"-v",&flg1);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(PETSC_NULL,"-version",&flg2);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(PETSC_NULL,"-help",&flg3);CHKERRQ(ierr);
  if (flg1 || flg2 || flg3){

    /*
       Print "higher-level" package version message
    */
    if (PetscExternalVersionFunction) {
      ierr = (*PetscExternalVersionFunction)(comm);CHKERRQ(ierr);
    }

    ierr = PetscGetVersion(version,256);CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"--------------------------------------------\
------------------------------\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"%s\n",version);CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"%s",PETSC_AUTHOR_INFO);CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"See docs/changes/index.html for recent updates.\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"See docs/faq.html for problems.\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"See docs/manualpages/index.html for help. \n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"Libraries linked from %s\n",PETSC_LIB_DIR);CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"--------------------------------------------\
------------------------------\n");CHKERRQ(ierr);
  }

  /*
       Print "higher-level" package help message
  */
  if (flg3){
    if (PetscExternalHelpFunction) {
      ierr = (*PetscExternalHelpFunction)(comm);CHKERRQ(ierr);
    }
  }

  /*
      Setup the error handling
  */
  flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-on_error_abort",&flg1,PETSC_NULL);CHKERRQ(ierr);
  if (flg1) {
    ierr = MPI_Errhandler_set(PETSC_COMM_WORLD,MPI_ERRORS_ARE_FATAL);CHKERRQ(ierr);
    ierr = PetscPushErrorHandler(PetscAbortErrorHandler,0);CHKERRQ(ierr);
  }
  flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-on_error_mpiabort",&flg1,PETSC_NULL);CHKERRQ(ierr);
  if (flg1) { ierr = PetscPushErrorHandler(PetscMPIAbortErrorHandler,0);CHKERRQ(ierr);}
  flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-mpi_return_on_error",&flg1,PETSC_NULL);CHKERRQ(ierr);
  if (flg1) {
    ierr = MPI_Errhandler_set(comm,MPI_ERRORS_RETURN);CHKERRQ(ierr);
  }
  flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-no_signal_handler",&flg1,PETSC_NULL);CHKERRQ(ierr);
  if (!flg1) {ierr = PetscPushSignalHandler(PetscDefaultSignalHandler,(void*)0);CHKERRQ(ierr);}
  flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-fp_trap",&flg1,PETSC_NULL);CHKERRQ(ierr);
  if (flg1) {ierr = PetscSetFPTrap(PETSC_FP_TRAP_ON);CHKERRQ(ierr);}

  /*
      Setup debugger information
  */
  ierr = PetscSetDefaultDebugger();CHKERRQ(ierr);
  ierr = PetscOptionsGetString(PETSC_NULL,"-on_error_attach_debugger",string,64,&flg1);CHKERRQ(ierr);
  if (flg1) {
    MPI_Errhandler err_handler;

    ierr = PetscSetDebuggerFromString(string);CHKERRQ(ierr);
    ierr = MPI_Errhandler_create((MPI_Handler_function*)Petsc_MPI_DebuggerOnError,&err_handler);CHKERRQ(ierr);
    ierr = MPI_Errhandler_set(comm,err_handler);CHKERRQ(ierr);
    ierr = PetscPushErrorHandler(PetscAttachDebuggerErrorHandler,0);CHKERRQ(ierr);
  }
  ierr = PetscOptionsGetString(PETSC_NULL,"-debug_terminal",string,64,&flg1);CHKERRQ(ierr);
  if (flg1) { ierr = PetscSetDebugTerminal(string);CHKERRQ(ierr); }
  ierr = PetscOptionsGetString(PETSC_NULL,"-start_in_debugger",string,64,&flg1);CHKERRQ(ierr);
  ierr = PetscOptionsGetString(PETSC_NULL,"-stop_for_debugger",string,64,&flg2);CHKERRQ(ierr);
  if (flg1 || flg2) {
    PetscMPIInt    size;
    PetscInt       lsize,*nodes;
    MPI_Errhandler err_handler;
    /*
       we have to make sure that all processors have opened
       connections to all other processors, otherwise once the
       debugger has stated it is likely to receive a SIGUSR1
       and kill the program.
    */
    ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
    if (size > 2) {
      PetscMPIInt dummy = 0;
      MPI_Status  status;
      for (i=0; i<size; i++) {
        if (rank != i) {
          ierr = MPI_Send(&dummy,1,MPI_INT,i,109,PETSC_COMM_WORLD);CHKERRQ(ierr);
        }
      }
      for (i=0; i<size; i++) {
        if (rank != i) {
          ierr = MPI_Recv(&dummy,1,MPI_INT,i,109,PETSC_COMM_WORLD,&status);CHKERRQ(ierr);
        }
      }
    }
    /* check if this processor node should be in debugger */
    ierr  = PetscMalloc(size*sizeof(PetscInt),&nodes);CHKERRQ(ierr);
    lsize = size;
    ierr  = PetscOptionsGetIntArray(PETSC_NULL,"-debugger_nodes",nodes,&lsize,&flag);CHKERRQ(ierr);
    if (flag) {
      for (i=0; i<lsize; i++) {
        if (nodes[i] == rank) { flag = PETSC_FALSE; break; }
      }
    }
    if (!flag) {
      ierr = PetscSetDebuggerFromString(string);CHKERRQ(ierr);
      ierr = PetscPushErrorHandler(PetscAbortErrorHandler,0);CHKERRQ(ierr);
      if (flg1) {
        ierr = PetscAttachDebugger();CHKERRQ(ierr);
      } else {
        ierr = PetscStopForDebugger();CHKERRQ(ierr);
      }
      ierr = MPI_Errhandler_create((MPI_Handler_function*)Petsc_MPI_AbortOnError,&err_handler);CHKERRQ(ierr);
      ierr = MPI_Errhandler_set(comm,err_handler);CHKERRQ(ierr);
    }
    ierr = PetscFree(nodes);CHKERRQ(ierr);
  }

  ierr = PetscOptionsGetString(PETSC_NULL,"-on_error_emacs",emacsmachinename,128,&flg1);CHKERRQ(ierr);
  if (flg1 && !rank) {ierr = PetscPushErrorHandler(PetscEmacsClientErrorHandler,emacsmachinename);CHKERRQ(ierr);}

#if defined(PETSC_USE_SERVER)
  ierr = PetscOptionsHasName(PETSC_NULL,"-server", &flgz);CHKERRQ(ierr);
  if (flgz){
    PetscInt port = PETSC_DECIDE;
    ierr = PetscOptionsGetInt(PETSC_NULL,"-server",&port,PETSC_NULL);CHKERRQ(ierr);
    ierr = PetscWebServe(PETSC_COMM_WORLD,(int)port);CHKERRQ(ierr);
  }
#endif

  /*
        Setup profiling and logging
  */
#if defined (PETSC_USE_INFO)
  {
    char logname[PETSC_MAX_PATH_LEN]; logname[0] = 0;
    ierr = PetscOptionsGetString(PETSC_NULL,"-info",logname,250,&flg1);CHKERRQ(ierr);
    if (flg1 && logname[0]) {
      ierr = PetscInfoAllow(PETSC_TRUE,logname);CHKERRQ(ierr);
    } else if (flg1) {
      ierr = PetscInfoAllow(PETSC_TRUE,PETSC_NULL);CHKERRQ(ierr);
    }
  }
#endif
#if defined(PETSC_USE_LOG)
  mname[0] = 0;
  ierr = PetscOptionsGetString(PETSC_NULL,"-history",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr);
  if (flg1) {
    if (mname[0]) {
      ierr = PetscOpenHistoryFile(mname,&petsc_history);CHKERRQ(ierr);
    } else {
      ierr = PetscOpenHistoryFile(0,&petsc_history);CHKERRQ(ierr);
    }
  }
#if defined(PETSC_HAVE_MPE)
  flg1 = PETSC_FALSE;
  ierr = PetscOptionsHasName(PETSC_NULL,"-log_mpe",&flg1);CHKERRQ(ierr);
  if (flg1) PetscLogMPEBegin();
#endif
  flg1 = PETSC_FALSE;
  flg2 = PETSC_FALSE;
  flg3 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-log_all",&flg1,PETSC_NULL);CHKERRQ(ierr);
  ierr = PetscOptionsGetBool(PETSC_NULL,"-log",&flg2,PETSC_NULL);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(PETSC_NULL,"-log_summary",&flg3);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(PETSC_NULL,"-log_summary_python",&flg4);CHKERRQ(ierr);
  if (flg1)                      {  ierr = PetscLogAllBegin();CHKERRQ(ierr); }
  else if (flg2 || flg3 || flg4) {  ierr = PetscLogBegin();CHKERRQ(ierr);}

  ierr = PetscOptionsGetString(PETSC_NULL,"-log_trace",mname,250,&flg1);CHKERRQ(ierr);
  if (flg1) {
    char name[PETSC_MAX_PATH_LEN],fname[PETSC_MAX_PATH_LEN];
    FILE *file;
    if (mname[0]) {
      sprintf(name,"%s.%d",mname,rank);
      ierr = PetscFixFilename(name,fname);CHKERRQ(ierr);
      file = fopen(fname,"w");
      if (!file) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Unable to open trace file: %s",fname);
    } else {
      file = PETSC_STDOUT;
    }
    ierr = PetscLogTraceBegin(file);CHKERRQ(ierr);
  }
#endif

  /*
      Setup building of stack frames for all function calls
  */

  ierr = PetscOptionsGetBool(PETSC_NULL,"-options_gui",&PetscOptionsPublish,PETSC_NULL);CHKERRQ(ierr);

#if defined(PETSC_HAVE_CUDA)
  ierr = PetscOptionsHasName(PETSC_NULL,"-cuda_show_devices",&flg1);CHKERRQ(ierr);
  if (flg1) {
    struct cudaDeviceProp prop;
    int devCount;
    int device;

    ierr = cudaGetDeviceCount(&devCount);CHKERRQ(ierr);
    for (device = 0; device < devCount; ++device) {
      ierr = cudaGetDeviceProperties(&prop, device);CHKERRQ(ierr);
      ierr = PetscPrintf(PETSC_COMM_WORLD, "CUDA device %d: %s\n", device, prop.name);CHKERRQ(ierr);
    }
  }
  {
    int size;
    ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
    if (size>1) {
      int devCount, device, rank;
      ierr = cudaGetDeviceCount(&devCount);CHKERRQ(ierr);
      ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
      device = rank % devCount;
      ierr = cudaSetDevice(device);CHKERRQ(ierr);
    }
    else {
      int device;
      /* the code below works for serial GPU simulations */
      ierr = PetscOptionsGetInt(PETSC_NULL,"-cuda_set_device", &device, &flg1);CHKERRQ(ierr);
      if (flg1) {
        ierr = cudaSetDevice(device);CHKERRQ(ierr);
      }
    }
  }
#endif


  /*
       Print basic help message
  */
  ierr = PetscOptionsHasName(PETSC_NULL,"-help",&flg1);CHKERRQ(ierr);
  if (flg1) {
    ierr = (*PetscHelpPrintf)(comm,"Options for all PETSc programs:\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -help: prints help method for each option\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -on_error_abort: cause an abort when an error is detected. Useful \n ");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"       only when run in the debugger\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -on_error_attach_debugger [gdb,dbx,xxgdb,ups,noxterm]\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"       start the debugger in new xterm\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"       unless noxterm is given\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -start_in_debugger [gdb,dbx,xxgdb,ups,noxterm]\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"       start all processes in the debugger\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -on_error_emacs <machinename>\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"    emacs jumps to error file\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -debugger_nodes [n1,n2,..] Nodes to start in debugger\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -debugger_pause [m] : delay (in seconds) to attach debugger\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -stop_for_debugger : prints message on how to attach debugger manually\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"                      waits the delay for you to attach\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -display display: Location where graphics and debuggers are displayed\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -no_signal_handler: do not trap error signals\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -mpi_return_on_error: MPI returns error code, rather than abort on internal error\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -fp_trap: stop on floating point exceptions\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"           note on IBM RS6000 this slows run greatly\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -malloc_dump <optional filename>: dump list of unfreed memory at conclusion\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -malloc: use our error checking malloc\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -malloc no: don't use error checking malloc\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -malloc_info: prints total memory usage\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -malloc_log: keeps log of all memory allocations\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -malloc_debug: enables extended checking for memory corruption\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -options_table: dump list of options inputted\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -options_left: dump list of unused options\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -options_left no: don't dump list of unused options\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -tmp tmpdir: alternative /tmp directory\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -shared_tmp: tmp directory is shared by all processors\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -not_shared_tmp: each processor has separate tmp directory\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -memory_info: print memory usage at end of run\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -server <port>: Run PETSc webserver (default port is 8080) see PetscWebServe()\n");CHKERRQ(ierr);
#if defined(PETSC_USE_LOG)
    ierr = (*PetscHelpPrintf)(comm," -get_total_flops: total flops over all processors\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -log[_summary _summary_python]: logging objects and events\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -log_trace [filename]: prints trace of all PETSc calls\n");CHKERRQ(ierr);
#if defined(PETSC_HAVE_MPE)
    ierr = (*PetscHelpPrintf)(comm," -log_mpe: Also create logfile viewable through upshot\n");CHKERRQ(ierr);
#endif
    ierr = (*PetscHelpPrintf)(comm," -info <optional filename>: print informative messages about the calculations\n");CHKERRQ(ierr);
#endif
    ierr = (*PetscHelpPrintf)(comm," -v: prints PETSc version number and release date\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -options_file <file>: reads options from file\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm," -petsc_sleep n: sleeps n seconds before running program\n");CHKERRQ(ierr);
    ierr = (*PetscHelpPrintf)(comm,"-----------------------------------------------\n");CHKERRQ(ierr);
  }

  ierr = PetscOptionsGetReal(PETSC_NULL,"-petsc_sleep",&si,&flg1);CHKERRQ(ierr);
  if (flg1) {
    ierr = PetscSleep(si);CHKERRQ(ierr);
  }

  ierr = PetscOptionsGetString(PETSC_NULL,"-info_exclude",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr);
  ierr = PetscStrstr(mname,"null",&f);CHKERRQ(ierr);
  if (f) {
    ierr = PetscInfoDeactivateClass(0);CHKERRQ(ierr);
  }

#if defined(PETSC_HAVE_CUSP)
  ierr = PetscOptionsHasName(PETSC_NULL,"-log_summary",&flg3);CHKERRQ(ierr);
  if (flg3) flg1 = PETSC_TRUE;
  else flg1 = PETSC_FALSE;
  ierr = PetscOptionsGetBool(PETSC_NULL,"-cusp_synchronize",&flg1,PETSC_NULL);CHKERRQ(ierr);
  if (flg1) PetscCUSPSynchronize = PETSC_TRUE;
#endif

  PetscFunctionReturn(0);
}
コード例 #24
0
int main( int argc, char **argv )
{
  Mat         	 M, C, K;         /* problem matrices */
  QEP         	 qep;             /* quadratic eigenproblem solver context */
  const QEPType  type;
  PetscReal   	 error, tol, re, im;
  PetscScalar 	 kr, ki;
  PetscErrorCode ierr;
  PetscInt    	 nev, maxit, i, its, nconv;
  char        	 filename[256];
  PetscViewer 	 viewer;
  PetscBool   	 flg;

  SlepcInitialize(&argc,&argv,(char*)0,help);

  /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
        Load the matrices that define the quadratic eigenproblem
     - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

  ierr = PetscPrintf(PETSC_COMM_WORLD,"\nQuadratic eigenproblem stored in file.\n\n");CHKERRQ(ierr);
#if defined(PETSC_USE_COMPLEX)
  ierr = PetscPrintf(PETSC_COMM_WORLD," Reading COMPLEX matrices from binary files...\n");CHKERRQ(ierr);
#else
  ierr = PetscPrintf(PETSC_COMM_WORLD," Reading REAL matrices from binary files...\n");CHKERRQ(ierr);
#endif

  ierr = PetscOptionsGetString(PETSC_NULL,"-M",filename,256,&flg);CHKERRQ(ierr);
  if (!flg) {
    SETERRQ(PETSC_COMM_WORLD,1,"Must indicate a file name for matrix M with the -M option.");
  }
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,filename,FILE_MODE_READ,&viewer);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&M);CHKERRQ(ierr);
  ierr = MatSetFromOptions(M);CHKERRQ(ierr);
  ierr = MatLoad(M,viewer);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(viewer);CHKERRQ(ierr);

  ierr = PetscOptionsGetString(PETSC_NULL,"-C",filename,256,&flg);CHKERRQ(ierr);
  if (!flg) {
    SETERRQ(PETSC_COMM_WORLD,1,"Must indicate a file name for matrix C with the -C option.");
  }
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,filename,FILE_MODE_READ,&viewer);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&C);CHKERRQ(ierr);
  ierr = MatSetFromOptions(C);CHKERRQ(ierr);
  ierr = MatLoad(C,viewer);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(viewer);CHKERRQ(ierr);

  ierr = PetscOptionsGetString(PETSC_NULL,"-K",filename,256,&flg);CHKERRQ(ierr);
  if (!flg) {
    SETERRQ(PETSC_COMM_WORLD,1,"Must indicate a file name for matrix K with the -K option.");
  }
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,filename,FILE_MODE_READ,&viewer);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&K);CHKERRQ(ierr);
  ierr = MatSetFromOptions(K);CHKERRQ(ierr);
  ierr = MatLoad(K,viewer);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(viewer);CHKERRQ(ierr);

  /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
                Create the eigensolver and set various options
     - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

  /* 
     Create eigensolver context
  */
  ierr = QEPCreate(PETSC_COMM_WORLD,&qep);CHKERRQ(ierr);

  /* 
     Set matrices
  */
  ierr = QEPSetOperators(qep,M,C,K);CHKERRQ(ierr);

  /*
     Set solver parameters at runtime
  */
  ierr = QEPSetFromOptions(qep);CHKERRQ(ierr);

  /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
                      Solve the eigensystem
     - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

  ierr = QEPSolve(qep);CHKERRQ(ierr);
  ierr = QEPGetIterationNumber(qep, &its);CHKERRQ(ierr);
  ierr = PetscPrintf(PETSC_COMM_WORLD," Number of iterations of the method: %d\n",its);CHKERRQ(ierr);

  /*
     Optional: Get some information from the solver and display it
  */
  ierr = QEPGetType(qep,&type);CHKERRQ(ierr);
  ierr = PetscPrintf(PETSC_COMM_WORLD," Solution method: %s\n\n",type);CHKERRQ(ierr);
  ierr = QEPGetDimensions(qep,&nev,PETSC_NULL,PETSC_NULL);CHKERRQ(ierr);
  ierr = PetscPrintf(PETSC_COMM_WORLD," Number of requested eigenvalues: %d\n",nev);CHKERRQ(ierr);
  ierr = QEPGetTolerances(qep,&tol,&maxit);CHKERRQ(ierr);
  ierr = PetscPrintf(PETSC_COMM_WORLD," Stopping condition: tol=%.4g, maxit=%d\n",tol,maxit);CHKERRQ(ierr);

  /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
                    Display solution and clean up
     - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

  /* 
     Get number of converged approximate eigenpairs
  */
  ierr = QEPGetConverged(qep,&nconv);CHKERRQ(ierr);
  ierr = PetscPrintf(PETSC_COMM_WORLD," Number of converged approximate eigenpairs: %d\n\n",nconv);
         CHKERRQ(ierr);

  if (nconv>0) {
    /*
       Display eigenvalues and relative errors
    */
    ierr = PetscPrintf(PETSC_COMM_WORLD,
         "           k          ||(k^2M+Ck+K)x||/||kx||\n"
         "   ----------------- -------------------------\n" );CHKERRQ(ierr);

    for( i=0; i<nconv; i++ ) {
      /* 
        Get converged eigenpairs: i-th eigenvalue is stored in kr (real part) and
        ki (imaginary part)
      */
      ierr = QEPGetEigenpair(qep,i,&kr,&ki,PETSC_NULL,PETSC_NULL);CHKERRQ(ierr);
      /*
         Compute the relative error associated to each eigenpair
      */
      ierr = QEPComputeRelativeError(qep,i,&error);CHKERRQ(ierr);

#ifdef PETSC_USE_COMPLEX
      re = PetscRealPart(kr);
      im = PetscImaginaryPart(kr);
#else
      re = kr;
      im = ki;
#endif 
      if (im!=0.0) {
        ierr = PetscPrintf(PETSC_COMM_WORLD," %9f%+9f j    %12g\n",re,im,error);CHKERRQ(ierr);
      } else {
        ierr = PetscPrintf(PETSC_COMM_WORLD,"   %12f       %12g\n",re,error);CHKERRQ(ierr); 
      }
    }
    ierr = PetscPrintf(PETSC_COMM_WORLD,"\n" );CHKERRQ(ierr);
  }
  
  /* 
     Free work space
  */
  ierr = QEPDestroy(qep);CHKERRQ(ierr);
  ierr = MatDestroy(M);CHKERRQ(ierr);
  ierr = MatDestroy(C);CHKERRQ(ierr);
  ierr = MatDestroy(K);CHKERRQ(ierr);
  ierr = SlepcFinalize();CHKERRQ(ierr);
  return 0;
}
コード例 #25
0
ファイル: mathematica.c プロジェクト: firedrakeproject/petsc
PetscErrorCode  PetscViewerMathematicaSetFromOptions(PetscViewer v)
{
  PetscViewer_Mathematica *vmath = (PetscViewer_Mathematica*) v->data;
  char                    linkname[256];
  char                    modename[256];
  char                    hostname[256];
  char                    type[256];
  PetscInt                numPorts;
  PetscInt                *ports;
  PetscInt                numHosts;
  int                     h;
  char                    **hosts;
  PetscMPIInt             size, rank;
  PetscBool               opt;
  PetscErrorCode          ierr;

  PetscFunctionBegin;
  ierr = MPI_Comm_size(PetscObjectComm((PetscObject)v), &size);CHKERRQ(ierr);
  ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)v), &rank);CHKERRQ(ierr);

  /* Get link name */
  ierr = PetscOptionsGetString("viewer_", "-math_linkname", linkname, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    ierr = PetscViewerMathematicaSetLinkName(v, linkname);CHKERRQ(ierr);
  }
  /* Get link port */
  numPorts = size;
  ierr     = PetscMalloc1(size, &ports);CHKERRQ(ierr);
  ierr     = PetscOptionsGetIntArray("viewer_", "-math_linkport", ports, &numPorts, &opt);CHKERRQ(ierr);
  if (opt) {
    if (numPorts > rank) snprintf(linkname, 255, "%6d", ports[rank]);
    else                 snprintf(linkname, 255, "%6d", ports[0]);
    ierr = PetscViewerMathematicaSetLinkName(v, linkname);CHKERRQ(ierr);
  }
  ierr = PetscFree(ports);CHKERRQ(ierr);
  /* Get link host */
  numHosts = size;
  ierr     = PetscMalloc1(size, &hosts);CHKERRQ(ierr);
  ierr     = PetscOptionsGetStringArray("viewer_", "-math_linkhost", hosts, &numHosts, &opt);CHKERRQ(ierr);
  if (opt) {
    if (numHosts > rank) {
      ierr = PetscStrncpy(hostname, hosts[rank], 255);CHKERRQ(ierr);
    } else {
      ierr = PetscStrncpy(hostname, hosts[0], 255);CHKERRQ(ierr);
    }
    ierr = PetscViewerMathematicaSetLinkHost(v, hostname);CHKERRQ(ierr);
  }
  for (h = 0; h < numHosts; h++) {
    ierr = PetscFree(hosts[h]);CHKERRQ(ierr);
  }
  ierr = PetscFree(hosts);CHKERRQ(ierr);
  /* Get link mode */
  ierr = PetscOptionsGetString("viewer_", "-math_linkmode", modename, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    LinkMode mode;

    ierr = PetscViewerMathematicaParseLinkMode(modename, &mode);CHKERRQ(ierr);
    ierr = PetscViewerMathematicaSetLinkMode(v, mode);CHKERRQ(ierr);
  }
  /* Get graphics type */
  ierr = PetscOptionsGetString("viewer_", "-math_graphics", type, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    PetscBool isMotif, isPS, isPSFile;

    ierr = PetscStrcasecmp(type, "Motif",  &isMotif);CHKERRQ(ierr);
    ierr = PetscStrcasecmp(type, "PS",     &isPS);CHKERRQ(ierr);
    ierr = PetscStrcasecmp(type, "PSFile", &isPSFile);CHKERRQ(ierr);
    if (isMotif)       vmath->graphicsType = GRAPHICS_MOTIF;
    else if (isPS)     vmath->graphicsType = GRAPHICS_PS_STDOUT;
    else if (isPSFile) vmath->graphicsType = GRAPHICS_PS_FILE;
  }
  /* Get plot type */
  ierr = PetscOptionsGetString("viewer_", "-math_type", type, 256, &opt);CHKERRQ(ierr);
  if (opt) {
    PetscBool isTri, isVecTri, isVec, isSurface;

    ierr = PetscStrcasecmp(type, "Triangulation",       &isTri);CHKERRQ(ierr);
    ierr = PetscStrcasecmp(type, "VectorTriangulation", &isVecTri);CHKERRQ(ierr);
    ierr = PetscStrcasecmp(type, "Vector",              &isVec);CHKERRQ(ierr);
    ierr = PetscStrcasecmp(type, "Surface",             &isSurface);CHKERRQ(ierr);
    if (isTri)          vmath->plotType = MATHEMATICA_TRIANGULATION_PLOT;
    else if (isVecTri)  vmath->plotType = MATHEMATICA_VECTOR_TRIANGULATION_PLOT;
    else if (isVec)     vmath->plotType = MATHEMATICA_VECTOR_PLOT;
    else if (isSurface) vmath->plotType = MATHEMATICA_SURFACE_PLOT;
  }
  PetscFunctionReturn(0);
}
コード例 #26
0
int main(int argc,char **args)
{
  Mat               A,B,MA;
  PetscViewer       fd;
  char              file[PETSC_MAX_PATH_LEN];
  PetscInt          m,n,M,N,dof=1;
  PetscMPIInt       rank,size;
  PetscErrorCode    ierr;
  PetscTruth        flg;

  PetscInitialize(&argc,&args,(char *)0,help);
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
  ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);

#if defined(PETSC_USE_COMPLEX)
  SETERRQ(1,"This example does not work with complex numbers");
#else

  /* Load aij matrix A */
  ierr = PetscOptionsGetString(PETSC_NULL,"-f",file,PETSC_MAX_PATH_LEN-1,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_ERR_USER,"Must indicate binary file with the -f option");
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
  ierr = MatLoad(fd,MATAIJ,&A);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(fd);CHKERRQ(ierr);

  /* Get dof, then create maij matrix MA */
  ierr = PetscOptionsGetInt(PETSC_NULL,"-dof",&dof,PETSC_NULL);CHKERRQ(ierr);
  ierr = MatCreateMAIJ(A,dof,&MA);CHKERRQ(ierr);
  ierr = MatGetLocalSize(MA,&m,&n);CHKERRQ(ierr);
  ierr = MatGetSize(MA,&M,&N);CHKERRQ(ierr);
  
  if (size == 1){
    ierr = MatConvert(MA,MATSEQAIJ,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr);
  } else {
    ierr = MatConvert(MA,MATMPIAIJ,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr);
  }

  /* Test MatMult() */ 
  ierr = MatMultEqual(MA,B,10,&flg);CHKERRQ(ierr);
  if (!flg){
    SETERRQ(PETSC_ERR_CONV_FAILED,"Error: MatMul() for MAIJ matrix");
  }
  /* Test MatMultAdd() */
  ierr = MatMultAddEqual(MA,B,10,&flg);CHKERRQ(ierr);
  if (!flg){
    SETERRQ(PETSC_ERR_CONV_FAILED,"Error: MatMulAdd() for MAIJ matrix");
  }

  /* Test MatMultTranspose() */
  ierr = MatMultTransposeEqual(MA,B,10,&flg);CHKERRQ(ierr);
  if (!flg){
    SETERRQ(PETSC_ERR_CONV_FAILED,"Error: MatMulAdd() for MAIJ matrix");
  }
  
  /* Test MatMultTransposeAdd() */
   ierr = MatMultTransposeAddEqual(MA,B,10,&flg);CHKERRQ(ierr);
  if (!flg){
    SETERRQ(PETSC_ERR_CONV_FAILED,"Error: MatMulTransposeAdd() for MAIJ matrix");
  }

  ierr = MatDestroy(MA);CHKERRQ(ierr);
  ierr = MatDestroy(A);CHKERRQ(ierr); 
  ierr = MatDestroy(B);CHKERRQ(ierr);  
  ierr = PetscFinalize();CHKERRQ(ierr);
#endif
  return 0;
}
コード例 #27
0
ファイル: ex4.c プロジェクト: erdc-cm/petsc-dev
int main(int argc,char **args)
{
  Mat                   U,V;                /* matrix */
  PetscViewer           fd;               /* viewer */
  char                  file[PETSC_MAX_PATH_LEN];     /* input file name */
  PetscErrorCode        ierr;
  PetscBool             flg;
  Vec                   x,y,work1,work2;
  PetscInt              i,N,n,M,m;
  PetscScalar           *xx;

  PetscInitialize(&argc,&args,(char *)0,help);

  /*
     Determine file from which we read the matrix

  */
  ierr = PetscOptionsGetString(PETSC_NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_COMM_WORLD,1,"Must indicate binary file with the -f option");


  /*
     Open binary file.  Note that we use FILE_MODE_READ to indicate
     reading from this file.
  */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);

  /*
    Load the matrix; then destroy the viewer.
    Note both U and V are stored as tall skinny matrices
  */
  ierr = MatCreate(PETSC_COMM_WORLD,&U);CHKERRQ(ierr);
  ierr = MatSetType(U,MATMPIDENSE);CHKERRQ(ierr);
  ierr = MatLoad(U,fd);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&V);CHKERRQ(ierr);
  ierr = MatSetType(V,MATMPIDENSE);CHKERRQ(ierr);
  ierr = MatLoad(V,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);

  ierr = MatGetLocalSize(U,&N,&n);CHKERRQ(ierr);
  ierr = MatGetLocalSize(V,&M,&m);CHKERRQ(ierr);
  if (N != M) SETERRQ2(PETSC_COMM_SELF,1,"U and V matrices must have same number of local rows %D %D",N,M);
  if (n != m) SETERRQ2(PETSC_COMM_SELF,1,"U and V matrices must have same number of local columns %D %D",n,m);

  ierr = VecCreateMPI(PETSC_COMM_WORLD,N,PETSC_DETERMINE,&x);CHKERRQ(ierr);
  ierr = VecDuplicate(x,&y);CHKERRQ(ierr);

  ierr = MatGetSize(U,0,&n);CHKERRQ(ierr);
  ierr = VecCreateSeq(PETSC_COMM_SELF,n,&work1);CHKERRQ(ierr);
  ierr = VecDuplicate(work1,&work2);CHKERRQ(ierr);

  /* put some initial values into x for testing */
  ierr = VecGetArray(x,&xx);CHKERRQ(ierr);
  for (i=0; i<N; i++) xx[i] = i;
  ierr = VecRestoreArray(x,&xx);CHKERRQ(ierr);
  ierr = LowRankUpdate(U,V,x,y,work1,work2,n);CHKERRQ(ierr);
  ierr = VecView(x,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
  ierr = VecView(y,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);

  /*
     Free work space.  All PETSc objects should be destroyed when they
     are no longer needed.
  */
  ierr = MatDestroy(&U);CHKERRQ(ierr);
  ierr = MatDestroy(&V);CHKERRQ(ierr);
  ierr = VecDestroy(&x);CHKERRQ(ierr);
  ierr = VecDestroy(&y);CHKERRQ(ierr);
  ierr = VecDestroy(&work1);CHKERRQ(ierr);
  ierr = VecDestroy(&work2);CHKERRQ(ierr);

  ierr = PetscFinalize();
  return 0;
}
コード例 #28
0
  -ov <overlap>   : >=0  amount of overlap between domains\n\n";

#include <petscmat.h>

int main(int argc,char **args)
{
  PetscErrorCode ierr;
  PetscInt       nd = 2,ov=1,i,start,m,n,end,lsize;
  PetscMPIInt    rank;
  PetscBool      flg;
  Mat            A,B;
  char           file[PETSC_MAX_PATH_LEN];
  PetscViewer    fd;
  IS             *is1,*is2;
  PetscRandom    r;
  PetscScalar    rand;

  ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
#if defined(PETSC_USE_COMPLEX)
  SETERRQ(PETSC_COMM_WORLD,1,"This example does not work with complex numbers");
#else

  ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
  ierr = PetscOptionsGetString(NULL,NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_COMM_WORLD,1,"Must use -f filename to indicate a file containing a PETSc binary matrix");
  ierr = PetscOptionsGetInt(NULL,NULL,"-nd",&nd,NULL);CHKERRQ(ierr);
  ierr = PetscOptionsGetInt(NULL,NULL,"-ov",&ov,NULL);CHKERRQ(ierr);

  /* Read matrix and RHS */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatSetType(A,MATMPIAIJ);CHKERRQ(ierr);
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = MatSetFromOptions(A);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);

  /* Read the matrix again as a sequential matrix */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_SELF,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_SELF,&B);CHKERRQ(ierr);
  ierr = MatSetType(B,MATSEQAIJ);CHKERRQ(ierr);
  ierr = MatLoad(B,fd);CHKERRQ(ierr);
  ierr = MatSetFromOptions(B);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);

  /* Create the IS corresponding to subdomains */
  ierr = PetscMalloc1(nd,&is1);CHKERRQ(ierr);
  ierr = PetscMalloc1(nd,&is2);CHKERRQ(ierr);

  /* Create the random Index Sets */
  ierr = MatGetSize(A,&m,&n);CHKERRQ(ierr);
  ierr = PetscRandomCreate(PETSC_COMM_SELF,&r);CHKERRQ(ierr);
  ierr = PetscRandomSetFromOptions(r);CHKERRQ(ierr);
  for (i=0; i<nd; i++) {
    ierr  = PetscRandomGetValue(r,&rand);CHKERRQ(ierr);
    start = (PetscInt)(rand*m);
    ierr  = PetscRandomGetValue(r,&rand);CHKERRQ(ierr);
    end   = (PetscInt)(rand*m);
    lsize =  end - start;
    if (start > end) { start = end; lsize = -lsize;}
    ierr = ISCreateStride(PETSC_COMM_SELF,lsize,start,1,is1+i);CHKERRQ(ierr);
    ierr = ISCreateStride(PETSC_COMM_SELF,lsize,start,1,is2+i);CHKERRQ(ierr);
  }
  ierr = MatIncreaseOverlap(A,nd,is1,ov);CHKERRQ(ierr);
  ierr = MatIncreaseOverlap(B,nd,is2,ov);CHKERRQ(ierr);
  /* Now see if the serial and parallel case have the same answers */
  for (i=0; i<nd; ++i) {
    ierr = ISEqual(is1[i],is2[i],&flg);CHKERRQ(ierr);
    ierr = PetscPrintf(PETSC_COMM_SELF,"proc:[%d], i=%D, flg =%d\n",rank,i,(int)flg);CHKERRQ(ierr);
  }

  /* Free allocated memory */
  for (i=0; i<nd; ++i) {
    ierr = ISDestroy(&is1[i]);CHKERRQ(ierr);
    ierr = ISDestroy(&is2[i]);CHKERRQ(ierr);
  }
  ierr = PetscFree(is1);CHKERRQ(ierr);
  ierr = PetscFree(is2);CHKERRQ(ierr);
  ierr = PetscRandomDestroy(&r);CHKERRQ(ierr);
  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = MatDestroy(&B);CHKERRQ(ierr);
#endif
  ierr = PetscFinalize();
  return ierr;
}
コード例 #29
0
ファイル: fit_oce1.c プロジェクト: ReiMatsuzaki/rescol
int main(int argc, char **args) {

  PetscErrorCode ierr;
  ierr = SlepcInitialize(&argc, &args, (char*)0, help); CHKERRQ(ierr);
  
  MPI_Comm comm = PETSC_COMM_SELF;
  PetscBool find;
  PetscViewer v = PETSC_VIEWER_STDOUT_SELF;

  
  PetscPrintf(comm, "\n");
  PetscPrintf(comm, ">>>> fit_oce1 program >>>>\n");
  PetscPrintf(comm, "Fit L=0 radial function in OCE1\n");
  
  OCE1 oce;
  Pot pot;
  KSP ksp;
  Vec c;
  char path_out[100];
  PetscViewerFormat format;
  PetscBool set;

  // -- create --
  PrintTimeStamp(comm, "Init", NULL);
  ierr = OCE1Create(comm, &oce); CHKERRQ(ierr);
  ierr = PotCreate(comm,  &pot); CHKERRQ(ierr);
  ierr = KSPCreate(comm, &ksp);  CHKERRQ(ierr);
  
  // -- read options --
  PrintTimeStamp(comm, "Set", NULL);
  PetscOptionsBegin(comm, "", "fit_oce1.c options", "none");
  ierr = OCE1SetFromOptions(oce); CHKERRQ(ierr);
  ierr = PotSetFromOptions2(pot, "v_", &find); CHKERRQ(ierr);
  ierr = PetscOptionsGetString(NULL, NULL, "-out", path_out,
			       100, &set); CHKERRQ(ierr);
  CHKERRQ(ierr);
  ierr = PetscOptionsEnd(); CHKERRQ(ierr);


  // -- input error --
  if(pot == NULL) {
    SETERRQ(comm, 1, "-v_pot option is necessary");
  }
  
  // -- print in --
  PrintTimeStamp(comm, "PrintIn", NULL);
  ierr = PetscPrintf(comm, "OCE1: "); CHKERRQ(ierr);  
  ierr = OCE1View(oce, v); CHKERRQ(ierr);
  ierr = PetscPrintf(comm, "POT: "); CHKERRQ(ierr);
  ierr = PFView(pot, v); CHKERRQ(ierr);
  ierr = PetscPrintf(comm, "out: %s\n", path_out);
  
  // -- calculation --
  PrintTimeStamp(comm, "Calc", NULL);
  ierr = OCE1CreateVec(oce, &c); CHKERRQ(ierr);
  ierr = OCE1Fit(oce, pot, 0, ksp, c); CHKERRQ(ierr);

  // -- write --
  PetscViewer v_out;
  ierr = PetscViewerBinaryOpen(comm, path_out, FILE_MODE_WRITE, &v_out); CHKERRQ(ierr);
  ierr = VecView(c, v_out); CHKERRQ(ierr);
  PetscViewerDestroy(&v_out);

  PetscPrintf(comm, "<<<< fit_oce1 program <<<<\n\n");


  // -- finalize --
  OCE1Destroy(&oce); PFDestroy(&pot); KSPDestroy(&ksp); VecDestroy(&c);
  SlepcFinalize();
  
  return 0;
  
}  
コード例 #30
0
ファイル: ex163.c プロジェクト: prbrune/petsc
int main(int argc,char **args)
{
  Mat            A,C,Bdense,Cdense;
  PetscErrorCode ierr;
  PetscViewer    fd;              /* viewer */
  char           file[PETSC_MAX_PATH_LEN]; /* input file name */
  PetscBool      flg,viewmats=PETSC_FALSE;
  PetscMPIInt    rank,size;
  PetscReal      fill=1.0;
  PetscInt       m,n,i,j,BN=10,rstart,rend,*rows,*cols;
  PetscScalar    *Barray,*Carray,rval,*array;
  Vec            x,y;
  PetscRandom    rand;

  PetscInitialize(&argc,&args,(char*)0,help);
  ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);

  /* Determine file from which we read the matrix A */
  ierr = PetscOptionsGetString(NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr);
  if (!flg) SETERRQ(PETSC_COMM_WORLD,1,"Must indicate binary file with the -f option");

  /* Load matrix A */
  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
  ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
  ierr = MatLoad(A,fd);CHKERRQ(ierr);
  ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);

  /* Print (for testing only) */
  ierr = PetscOptionsHasName(NULL, "-view_mats", &viewmats);CHKERRQ(ierr);
  if (viewmats) {
    if (!rank) printf("A_aij:\n");
    ierr = MatView(A,0);CHKERRQ(ierr);
  }

  /* Test MatTransposeMatMult_aij_aij() */
  ierr = MatTransposeMatMult(A,A,MAT_INITIAL_MATRIX,fill,&C);CHKERRQ(ierr);
  if (viewmats) {
    if (!rank) printf("\nC = A_aij^T * A_aij:\n");
    ierr = MatView(C,0);CHKERRQ(ierr);
  }
  ierr = MatDestroy(&C);CHKERRQ(ierr);
  ierr = MatGetLocalSize(A,&m,&n);CHKERRQ(ierr);
  
  /* create a dense matrix Bdense */
  ierr = MatCreate(PETSC_COMM_WORLD,&Bdense);CHKERRQ(ierr);
  ierr = MatSetSizes(Bdense,m,PETSC_DECIDE,PETSC_DECIDE,BN);CHKERRQ(ierr);
  ierr = MatSetType(Bdense,MATDENSE);CHKERRQ(ierr);
  ierr = MatSetFromOptions(Bdense);CHKERRQ(ierr);
  ierr = MatSetUp(Bdense);CHKERRQ(ierr);
  ierr = MatGetOwnershipRange(Bdense,&rstart,&rend);CHKERRQ(ierr);
  //printf("[%d] rstart/end %d %d; local size %d %d\n",rank,rstart,rend,m,n);

  ierr = PetscMalloc3(m,PetscInt,&rows,BN,PetscInt,&cols,m*BN,PetscScalar,&array);CHKERRQ(ierr);
  for (i=0; i<m; i++) rows[i] = rstart + i;
  ierr = PetscRandomCreate(PETSC_COMM_WORLD,&rand);CHKERRQ(ierr);
  ierr = PetscRandomSetFromOptions(rand);CHKERRQ(ierr);
  for (j=0; j<BN; j++) {
    cols[j] = j;
    for (i=0; i<m; i++) {
      ierr = PetscRandomGetValue(rand,&rval);CHKERRQ(ierr);
      array[m*j+i] = rval;
    }
  }
  ierr = MatSetValues(Bdense,m,rows,BN,cols,array,INSERT_VALUES);CHKERRQ(ierr);
  ierr = MatAssemblyBegin(Bdense,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  ierr = MatAssemblyEnd(Bdense,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  ierr = PetscRandomDestroy(&rand);CHKERRQ(ierr);
  ierr = PetscFree3(rows,cols,array);CHKERRQ(ierr);
  if (viewmats) {
    if (!rank) printf("\nBdense:\n");
    ierr = MatView(Bdense,0);CHKERRQ(ierr);
  }

  /* Test MatTransposeMatMult_aij_dense() */
  ierr = MatTransposeMatMult(A,Bdense,MAT_INITIAL_MATRIX,fill,&C);CHKERRQ(ierr);
  ierr = MatTransposeMatMult(A,Bdense,MAT_REUSE_MATRIX,fill,&C);CHKERRQ(ierr);
  if (viewmats) {
    if (!rank) printf("\nC=A^T*Bdense:\n");
    ierr = MatView(C,0);CHKERRQ(ierr);
  }

  /* Check accuracy */
  ierr = MatCreate(PETSC_COMM_WORLD,&Cdense);CHKERRQ(ierr);
  ierr = MatSetSizes(Cdense,n,PETSC_DECIDE,PETSC_DECIDE,BN);CHKERRQ(ierr);
  ierr = MatSetType(Cdense,MATDENSE);CHKERRQ(ierr);
  ierr = MatSetFromOptions(Cdense);CHKERRQ(ierr);
  ierr = MatSetUp(Cdense);CHKERRQ(ierr);
  ierr = MatAssemblyBegin(Cdense,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
  ierr = MatAssemblyEnd(Cdense,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);

  ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
  if (size == 1) {
    ierr = VecCreateSeqWithArray(PETSC_COMM_SELF,1,m,NULL,&x);CHKERRQ(ierr);
    ierr = VecCreateSeqWithArray(PETSC_COMM_SELF,1,n,NULL,&y);CHKERRQ(ierr);
  } else {
    ierr = VecCreateMPIWithArray(PETSC_COMM_WORLD,1,m,PETSC_DECIDE,NULL,&x);CHKERRQ(ierr);
    ierr = VecCreateMPIWithArray(PETSC_COMM_WORLD,1,n,PETSC_DECIDE,NULL,&y);CHKERRQ(ierr);
  }

  /* Cdense[:,j] = A^T * Bdense[:,j] */
  ierr = MatDenseGetArray(Bdense,&Barray);CHKERRQ(ierr);
  ierr = MatDenseGetArray(Cdense,&Carray);CHKERRQ(ierr);
  for (j=0; j<BN; j++) {
    ierr = VecPlaceArray(x,Barray);CHKERRQ(ierr);
    ierr = VecPlaceArray(y,Carray);CHKERRQ(ierr);

    ierr = MatMultTranspose(A,x,y);CHKERRQ(ierr);
    
    ierr = VecResetArray(x);CHKERRQ(ierr);
    ierr = VecResetArray(y);CHKERRQ(ierr);
    Barray += m;
    Carray += n;
  }
  ierr = MatDenseRestoreArray(Bdense,&Barray);CHKERRQ(ierr);
  ierr = MatDenseRestoreArray(Cdense,&Carray);CHKERRQ(ierr);
  if (viewmats) {
    if (!rank) printf("\nCdense:\n");
    ierr = MatView(Cdense,0);CHKERRQ(ierr);
  }

  ierr = MatEqual(C,Cdense,&flg);CHKERRQ(ierr);
  if (!flg) {
    if (!rank) printf(" C != Cdense\n");
  }

  /* Free data structures */
  ierr = MatDestroy(&A);CHKERRQ(ierr);
  ierr = MatDestroy(&C);CHKERRQ(ierr);
  ierr = MatDestroy(&Bdense);CHKERRQ(ierr);
  ierr = MatDestroy(&Cdense);CHKERRQ(ierr);
  ierr = VecDestroy(&x);CHKERRQ(ierr);
  ierr = VecDestroy(&y);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return 0;
}