Tpetra Matrix/Vector Services Version of the Day
IRTR_qd.cpp
Go to the documentation of this file.
00001 /*
00002 // @HEADER
00003 // ***********************************************************************
00004 // 
00005 //          Tpetra: Templated Linear Algebra Services Package
00006 //                 Copyright (2008) Sandia Corporation
00007 // 
00008 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00009 // the U.S. Government retains certain rights in this software.
00010 // 
00011 // Redistribution and use in source and binary forms, with or without
00012 // modification, are permitted provided that the following conditions are
00013 // met:
00014 //
00015 // 1. Redistributions of source code must retain the above copyright
00016 // notice, this list of conditions and the following disclaimer.
00017 //
00018 // 2. Redistributions in binary form must reproduce the above copyright
00019 // notice, this list of conditions and the following disclaimer in the
00020 // documentation and/or other materials provided with the distribution.
00021 //
00022 // 3. Neither the name of the Corporation nor the names of the
00023 // contributors may be used to endorse or promote products derived from
00024 // this software without specific prior written permission.
00025 //
00026 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00027 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00029 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00030 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00031 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00032 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00033 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00034 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00035 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00036 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 //
00038 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00039 // 
00040 // ************************************************************************
00041 // @HEADER
00042 */
00043 
00044 #include <iostream>
00045 #include <qd/qd_real.h>
00046 
00047 #include <Teuchos_CommandLineProcessor.hpp>
00048 #include <Teuchos_GlobalMPISession.hpp>
00049 #include <Teuchos_oblackholestream.hpp>
00050 #include <Teuchos_XMLParameterListHelpers.hpp>
00051 
00052 #include <Tpetra_DefaultPlatform.hpp>
00053 #include <TpetraExt_TypeStack.hpp>
00054 #include <IRTRDriver.hpp>
00055 
00056 // no CXX11 on the GPU
00057 #undef HAVE_KOKKOSCLASSIC_THRUST
00058 #include <Tpetra_HybridPlatform.hpp>
00059 
00064 int main(int argc, char *argv[])
00065 {
00066   using Teuchos::RCP;
00067   using Teuchos::rcp;
00068   using Teuchos::Comm;
00069   using Teuchos::ParameterList;
00070 
00071   // 
00072   // Get the communicator
00073   //
00074   Teuchos::oblackholestream blackhole;
00075   Teuchos::GlobalMPISession mpiSession(&argc,&argv,&blackhole);
00076   auto comm = Tpetra::DefaultPlatform::getDefaultPlatform().getComm();
00077   const int myImageID = comm->getRank();
00078 
00079   //
00080   // Get example parameters from command-line processor
00081   //  
00082   bool verbose = (myImageID==0);
00083   std::string matfile;
00084   std::string xmlfile;
00085   std::string machineFile;
00086   Teuchos::CommandLineProcessor cmdp(false,true);
00087   cmdp.setOption("verbose","quiet",&verbose,"Print messages and results.");
00088   cmdp.setOption("matrix-file",&matfile,"Filename for matrix");
00089   cmdp.setOption("param-file", &xmlfile,"XML file for solver parameters");
00090   cmdp.setOption("machine-file",&machineFile,"Filename for XML machine description file.");
00091   if (cmdp.parse(argc,argv) != Teuchos::CommandLineProcessor::PARSE_SUCCESSFUL) {
00092     return -1;
00093   }
00094 
00095   // 
00096   // read machine file and initialize platform
00097   // 
00098   RCP<Teuchos::ParameterList> machinePL = Teuchos::parameterList();
00099   std::string defaultMachine(
00100     " <ParameterList>                                                               "
00101     "   <ParameterList name='%1=0'>                                                 "
00102     "     <Parameter name='NodeType'     type='string' value='KokkosClassic::SerialNode'/> "
00103     "   </ParameterList>                                                            "
00104     " </ParameterList>                                                              "
00105   );
00106   Teuchos::updateParametersFromXmlString(defaultMachine,machinePL.ptr());
00107   if (machineFile != "") Teuchos::updateParametersFromXmlFile(machineFile,machinePL.ptr());
00108 
00109   // 
00110   // create the platform object
00111   // 
00112   Tpetra::HybridPlatform platform(comm,*machinePL);
00113 
00114   // 
00115   // Define the scalar type
00116   // 
00117   typedef qd_real Scalar;
00118 
00119   //
00120   // instantiate a driver on the scalar stack
00121   //
00122   IRTR_Driver<Scalar> driver;
00123   // hand output stream to driver
00124   if (verbose) driver.out = Teuchos::getFancyOStream(Teuchos::rcp(&std::cout,false));
00125   else         driver.out = Teuchos::getFancyOStream(Teuchos::rcp(new Teuchos::oblackholestream()));
00126   // hand matrix file to driver
00127   driver.matrixFile = matfile;
00128 
00129   //
00130   // get the solver parameters
00131   // 
00132   RCP<Teuchos::ParameterList> params = Teuchos::parameterList();
00133   // default solver stack parameters
00134   std::string xmlString(
00135     " <ParameterList>                                                       \n"
00136     "   <Parameter name='tolerance' value='1e-63' type='double'/>           \n"
00137     "   <Parameter name='verbose' value='1' type='int'/>                    \n"
00138     "   <Parameter name='rho_prime' value='.1' type='double'/>              \n"
00139     "   <Parameter name='kappa' value='.1' type='double'/>                  \n"
00140     "   <Parameter name='theta' value='2'  type='double'/>                  \n"
00141     " </ParameterList>                                                      \n"
00142   );
00143   Teuchos::updateParametersFromXmlString(xmlString,params.ptr());
00144   if (xmlfile != "") Teuchos::updateParametersFromXmlFile(xmlfile,params.ptr());
00145   // hand solver parameters to driver
00146   driver.params = params;
00147 
00148   // 
00149   // run the driver
00150   // 
00151   platform.runUserCode(driver);
00152 
00153   //
00154   // Print result
00155   if (driver.testPassed) {
00156     *driver.out << "End Result: TEST PASSED" << std::endl;
00157   }
00158 
00159   return 0;
00160 }
00161 
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines