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Merge pull request #3672 from Tongdongq/add-cpr-opencl

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Add CPR preconditioner to openclSolver
This commit is contained in:
Markus Blatt
2021-12-08 19:44:59 +01:00
committed by GitHub
parent 5926f48b62 a5ed003418
commit a61f69bb79
35 changed files with 2014 additions and 541 deletions
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5
tests/test_cusparseSolver.cpp
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@@ -76,15 +76,16 @@ testCusparseSolver(const boost::property_tree::ptree& prm, const std::string& ma
const std::string opencl_ilu_reorder("none"); // unused
const int platformID = 0; // unused
const int deviceID = 0;
const std::string gpu_mode("cusparse");
const std::string accelerator_mode("cusparse");
const std::string fpga_bitstream("empty"); // unused
const std::string linsolver("ilu0");
Dune::InverseOperatorResult result;
Vector x(rhs.size());
auto wellContribs = Opm::WellContributions::create("cusparse", false);
std::unique_ptr<Opm::BdaBridge<Matrix, Vector, bz> > bridge;
try {
bridge = std::make_unique<Opm::BdaBridge<Matrix, Vector, bz> >(gpu_mode, fpga_bitstream, linear_solver_verbosity, maxit, tolerance, platformID, deviceID, opencl_ilu_reorder);
bridge = std::make_unique<Opm::BdaBridge<Matrix, Vector, bz> >(accelerator_mode, fpga_bitstream, linear_solver_verbosity, maxit, tolerance, platformID, deviceID, opencl_ilu_reorder, linsolver);
bridge->solve_system(&matrix, rhs, *wellContribs, result);
bridge->get_result(x);

9
tests/test_openclSolver.cpp
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@@ -75,15 +75,16 @@ testOpenclSolver(const boost::property_tree::ptree& prm, const std::string& matr
const std::string opencl_ilu_reorder("none");
const int platformID = 0;
const int deviceID = 0;
const std::string gpu_mode("opencl");
const std::string accelerator_mode("opencl");
const std::string fpga_bitstream("empty"); // unused
const std::string linsolver("ilu0");
Dune::InverseOperatorResult result;
Vector x(rhs.size());
auto wellContribs = Opm::WellContributions::create("opencl", false);
std::unique_ptr<Opm::BdaBridge<Matrix, Vector, bz> > bridge;
try {
bridge = std::make_unique<Opm::BdaBridge<Matrix, Vector, bz> >(gpu_mode, fpga_bitstream, linear_solver_verbosity, maxit, tolerance, platformID, deviceID, opencl_ilu_reorder);
bridge = std::make_unique<Opm::BdaBridge<Matrix, Vector, bz> >(accelerator_mode, fpga_bitstream, linear_solver_verbosity, maxit, tolerance, platformID, deviceID, opencl_ilu_reorder, linsolver);
} catch (const std::logic_error& error) {
BOOST_WARN_MESSAGE(true, error.what());
throw PlatformInitException(error.what());
@@ -100,8 +101,8 @@ void test3(const pt::ptree& prm)
{
const int bz = 3;
auto sol = testOpenclSolver<bz>(prm, "matr33.txt", "rhs3.txt");
Dune::BlockVector<Dune::FieldVector<double, bz>> expected {{-1.30307e-2, -3.58263e-6, 1.13836e-9},
{-1.25425e-3, -1.4167e-4, -3.2213e-3},
Dune::BlockVector<Dune::FieldVector<double, bz>> expected {{-0.0131626, -3.58263e-6, 1.13836e-9},
{-1.25425e-3, -1.4167e-4, -0.0029366},
{-4.5436e-4, 1.28682e-5, 4.7644e-6}};
BOOST_REQUIRE_EQUAL(sol.size(), expected.size());
for (size_t i = 0; i < sol.size(); ++i) {

82
tests/test_solvetransposed3x3.cpp Normal file
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@@ -0,0 +1,82 @@
/*
Copyright 2021 Equinor ASA
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#define BOOST_TEST_MODULE SolveTransposed3x3
#include <boost/test/unit_test.hpp>
#include <boost/test/floating_point_comparison.hpp>
#include <dune/istl/bcrsmatrix.hh>
#include <opm/simulators/linalg/bda/CPR.hpp>
BOOST_AUTO_TEST_CASE(testsolvetransposed3x3)
{
const unsigned numTests = 3;
const unsigned blockSize = 3;
std::vector<std::vector<double> > A = {{4, 2, 1,
3, 4, 2,
2, 4, 3},
{1, 2, 4,
1, 3, 2,
2, 4, 2},
{1, 2, 2,
1, 3, 5,
3, 2, 4}};
std::vector<std::vector<double> > b = {{0, 1, 0},
{1, 3, 5},
{2, 4, 5}};
std::vector<std::vector<double> > x_expected = {{-0.5, 1, -0.5},
{ 1, 1, -0.5},
{ 1.3, 0.4, 0.1}};
for (unsigned testId = 0; testId < numTests; ++testId) {
std::vector<double> x(blockSize);
Opm::Accelerator::solve_transposed_3x3(A[testId].data(), b[testId].data(), x.data());
for (unsigned i = 0; i < blockSize; ++i) {
BOOST_CHECK_CLOSE(x[i], x_expected[testId][i], 1e-6);
}
}
// retest cases using Dune methods
using Mat3 = Dune::FieldMatrix<double, 3, 3>;
using Vec3 = Dune::FieldVector<double, 3>;
for (unsigned testId = 0; testId < numTests; ++testId) {
Mat3 a3 = {{ A[testId][0], A[testId][1], A[testId][2] },
{ A[testId][3], A[testId][4], A[testId][5] },
{ A[testId][6], A[testId][7], A[testId][8] } };
Vec3 y({b[testId][0], b[testId][1], b[testId][2]});
Mat3 b3 = a3;
// b3 = inv(a3^T)
Dune::FMatrixHelp::invertMatrix_retTransposed(a3, b3);
// x = b3 * y
Vec3 x = Dune::FMatrixHelp::mult(b3, y);
for (unsigned i = 0; i < blockSize; ++i) {
BOOST_CHECK_CLOSE(x[i], x_expected[testId][i], 1e-6);
}
}
}