int main(int narg, char** arg)
{
std::string inputFile = ""; // Matrix Market file to read
std::string outputFile = ""; // Matrix Market file to write
bool verbose = false; // Verbosity of output
int testReturn = 0;
////// Establish session.
Teuchos::GlobalMPISession mpiSession(&narg, &arg, NULL);
RCP<const Teuchos::Comm<int> > comm =
Tpetra::DefaultPlatform::getDefaultPlatform().getComm();
int me = comm->getRank();
// Read run-time options.
Teuchos::CommandLineProcessor cmdp (false, false);
cmdp.setOption("inputFile", &inputFile,
"Name of a Matrix Market file in the data directory; "
"if not specified, a matrix will be generated by MueLu.");
cmdp.setOption("outputFile", &outputFile,
"Name of the Matrix Market sparse matrix file to write, "
"echoing the input/generated matrix.");
cmdp.setOption("verbose", "quiet", &verbose,
"Print messages and results.");
//////////////////////////////////
// Even with cmdp option "true", I get errors for having these
// arguments on the command line. (On redsky build)
// KDDKDD Should just be warnings, right? Code should still work with these
// KDDKDD params in the create-a-matrix file. Better to have them where
// KDDKDD they are used.
int xdim=10;
int ydim=10;
int zdim=10;
std::string matrixType("Laplace3D");
cmdp.setOption("x", &xdim,
"number of gridpoints in X dimension for "
"mesh used to generate matrix.");
cmdp.setOption("y", &ydim,
"number of gridpoints in Y dimension for "
"mesh used to generate matrix.");
cmdp.setOption("z", &zdim,
"number of gridpoints in Z dimension for "
"mesh used to generate matrix.");
cmdp.setOption("matrix", &matrixType,
"Matrix type: Laplace1D, Laplace2D, or Laplace3D");
//////////////////////////////////
cmdp.parse(narg, arg);
RCP<UserInputForTests> uinput;
if (inputFile != "") // Input file specified; read a matrix
uinput = rcp(new UserInputForTests(testDataFilePath, inputFile, comm, true));
else // Let MueLu generate a matrix
uinput = rcp(new UserInputForTests(xdim, ydim, zdim, matrixType, comm, true, true));
RCP<SparseMatrix> origMatrix = uinput->getUITpetraCrsMatrix();
if (outputFile != "") {
// Just a sanity check.
Tpetra::MatrixMarket::Writer<SparseMatrix>::writeSparseFile(outputFile,
origMatrix, verbose);
}
if (me == 0)
cout << "NumRows = " << origMatrix->getGlobalNumRows() << endl
<< "NumNonzeros = " << origMatrix->getGlobalNumEntries() << endl
<< "NumProcs = " << comm->getSize() << endl;
////// Create a vector to use with the matrix.
RCP<Vector> origVector, origProd;
origProd = Tpetra::createVector<z2TestScalar,z2TestLO,z2TestGO>(
origMatrix->getRangeMap());
origVector = Tpetra::createVector<z2TestScalar,z2TestLO,z2TestGO>(
origMatrix->getDomainMap());
origVector->randomize();
////// Specify problem parameters
Teuchos::ParameterList params;
////// Basic metric checking of the ordering solution
size_t checkLength;
z2TestLO *checkPerm;
////// Create an input adapter for the Tpetra matrix.
SparseMatrixAdapter adapter(origMatrix);
params.set("order_method", "minimum_degree");
params.set("order_package", "amd");
////// Create and solve ordering problem
try
{
Zoltan2::OrderingProblem<SparseMatrixAdapter> problem(&adapter, ¶ms);
problem.solve();
Zoltan2::OrderingSolution<z2TestLO, z2TestGO> *soln = problem.getSolution();
// Check that the solution is really a permutation
checkLength = soln->getPermutationSize();
checkPerm = soln->getPermutation();
for (size_t ii = 0; ii < checkLength; ii++)
cout << checkPerm[ii] << " ";
cout << endl;
// Verify that checkPerm is a permutation
testReturn = validatePerm(checkLength, checkPerm);
} catch (std::exception &e){
#ifdef HAVE_ZOLTAN2_AMD
// AMD is defined and still got an exception.
if (comm->getSize() != 1)
{
std::cout << "AMD is enabled. We do not support distributed matrices."
<< "AMD Algorithm threw an exception."
<< std::endl;
std::cout << "PASS" << std::endl;
}
else
{
std::cout << "Exception from AMD Algorithm" << std::endl;
std::cout << "FAIL" << std::endl;
}
return 0;
#else
std::cout << "AMD is not enabled. AMD Algorithm threw an exception."
<< std::endl;
std::cout << "PASS" << std::endl;
return 0;
#endif
}
if (me == 0) {
if (testReturn)
std::cout << "Solution is not a permutation; FAIL" << std::endl;
else
std::cout << "PASS" << std::endl;
}
return 0;
}
int main(int narg, char** arg)
{
std::string inputFile = ""; // Matrix Market file to read
std::string outputFile = ""; // Output file to write
bool verbose = false; // Verbosity of output
int testReturn = 0;
////// Establish session.
Teuchos::GlobalMPISession mpiSession(&narg, &arg, NULL);
RCP<const Teuchos::Comm<int> > comm =
Tpetra::DefaultPlatform::getDefaultPlatform().getComm();
int me = comm->getRank();
// Read run-time options.
Teuchos::CommandLineProcessor cmdp (false, false);
cmdp.setOption("inputFile", &inputFile,
"Name of a Matrix Market file in the data directory; "
"if not specified, a matrix will be generated by Galeri.");
cmdp.setOption("outputFile", &outputFile,
"Name of file to write the permutation");
cmdp.setOption("verbose", "quiet", &verbose,
"Print messages and results.");
cout << "Starting everything" << endl;
//////////////////////////////////
// Even with cmdp option "true", I get errors for having these
// arguments on the command line. (On redsky build)
// KDDKDD Should just be warnings, right? Code should still work with these
// KDDKDD params in the create-a-matrix file. Better to have them where
// KDDKDD they are used.
int xdim=10;
int ydim=10;
int zdim=10;
std::string matrixType("Laplace3D");
cmdp.setOption("x", &xdim,
"number of gridpoints in X dimension for "
"mesh used to generate matrix.");
cmdp.setOption("y", &ydim,
"number of gridpoints in Y dimension for "
"mesh used to generate matrix.");
cmdp.setOption("z", &zdim,
"number of gridpoints in Z dimension for "
"mesh used to generate matrix.");
cmdp.setOption("matrix", &matrixType,
"Matrix type: Laplace1D, Laplace2D, or Laplace3D");
//////////////////////////////////
// Ordering options to test.
//////////////////////////////////
std::string orderMethod("scotch"); // NYI
cmdp.setOption("order_method", &orderMethod,
"order_method: natural, random, rcm, scotch");
//////////////////////////////////
cmdp.parse(narg, arg);
RCP<UserInputForTests> uinput;
if (inputFile != ""){ // Input file specified; read a matrix
uinput = rcp(new UserInputForTests(testDataFilePath, inputFile, comm, true));
}
else // Let Galeri generate a matrix
uinput = rcp(new UserInputForTests(xdim, ydim, zdim, matrixType, comm, true, true));
RCP<SparseMatrix> origMatrix = uinput->getUITpetraCrsMatrix();
if (me == 0)
cout << "NumRows = " << origMatrix->getGlobalNumRows() << endl
<< "NumNonzeros = " << origMatrix->getGlobalNumEntries() << endl
<< "NumProcs = " << comm->getSize() << endl;
////// Create a vector to use with the matrix.
RCP<Vector> origVector, origProd;
origProd = Tpetra::createVector<z2TestScalar,z2TestLO,z2TestGO>(
origMatrix->getRangeMap());
origVector = Tpetra::createVector<z2TestScalar,z2TestLO,z2TestGO>(
origMatrix->getDomainMap());
origVector->randomize();
////// Specify problem parameters
Teuchos::ParameterList params;
params.set("order_method", orderMethod);
////// Create an input adapter for the Tpetra matrix.
SparseMatrixAdapter adapter(origMatrix);
////// Create and solve ordering problem
try
{
Zoltan2::OrderingProblem<SparseMatrixAdapter> problem(&adapter, ¶ms);
cout << "Going to solve" << endl;
problem.solve();
////// Basic metric checking of the ordering solution
size_t checkLength;
z2TestLO *checkPerm;
Zoltan2::OrderingSolution<z2TestLO, z2TestGO> *soln = problem.getSolution();
cout << "Going to get results" << endl;
// Permutation
checkLength = soln->getPermutationSize();
checkPerm = soln->getPermutation();
checkInvPerm = soln->getInversePermutation(); // MNYI
// Separators.
// The following methods needs to be supported:
// haveSeparators: true if Scotch Nested Dissection was called.
// getCBlkPtr: *CBlkPtr from Scotch_graphOrder
// getRangTab: RangTab from Scotch_graphOrder
// getTreeTab: TreeTab from Scotch_graphOrder
if (soln->haveSeparators()){ // NYI
z2TestLO NumBlocks = soln->getCBlkPtr(); // NYI
z2TestLO * RangTab = soln->getRangTab(); // NYI
z2TestLO * TreeTab = soln->getTreeTab(); // NYI
// TODO Use accessor names that make more sense to users
// getNumSeparatorBlocks()
// getVertexSeparator(NumBlocks, RangeTab, TreeTab)
//
// RangTab is size NumBlocks+1; offsets into inverse permutation array giving vertices
// belonging to a block
// TreeTab is size NumBlocks; gives parent blocks of a block
}
else {
// TODO FAIL with error
}
if (outputFile != "") {
ofstream permFile;
// Write permutation (0-based) to file
// each process writes local perm to a separate file
//std::string fname = outputFile + "." + me;
std::stringstream fname;
fname << outputFile << "." << comm->getSize() << "." << me;
permFile.open(fname.str().c_str());
for (size_t i=0; i<checkLength; i++){
permFile << " " << checkPerm[i] << endl;
}
permFile.close();
}
cout << "Going to validate the soln" << endl;
// Verify that checkPerm is a permutation
testReturn = validatePerm(checkLength, checkPerm);
// TODO How do we validate the separator?
// E.g., RangeTab monitonically increasing, RT[0] = 0; RT[NumBlocks+1]=nVtx;
// TreeTab root has -1, other values < NumBlocks
// NumBlocks appropriate for nLevels
// TODO How do we validate the inverse permutation?
// InversePerm[Perm[i]] == i?
cout << "Going to compute the bandwidth" << endl;
// Compute original bandwidth
cout << "Original Bandwidth: " << computeBandwidth(origMatrix, 0) << endl;
// Compute permuted bandwidth
cout << "Permuted Bandwidth: " << computeBandwidth(origMatrix, checkPerm) << endl;
} catch (std::exception &e){
if (comm->getSize() != 1)
{
std::cout << "Ordering does not support distributed matrices."
<< std::endl;
std::cout << "PASS" << std::endl;
}
else
{
std::cout << "Exception caught in ordering" << std::endl;
std::cout << e.what() << std::endl;
std::cout << "FAIL" << std::endl;
}
return 0;
}
if (me == 0) {
if (testReturn)
std::cout << "Solution is not a permutation; FAIL" << std::endl;
else
std::cout << "PASS" << std::endl;
}
}