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/*
Copyright 2023 Equinor.
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 Parallel_PAvg_Dynamic_Source_Data
#define BOOST_TEST_NO_MAIN
#include <boost/test/unit_test.hpp>
#include <opm/simulators/wells/ParallelPAvgDynamicSourceData.hpp>
#include <opm/simulators/utils/ParallelCommunication.hpp>
#include <opm/input/eclipse/Schedule/Well/PAvgDynamicSourceData.hpp>
#include <dune/common/parallel/mpihelper.hh>
#include <cstddef>
#include <functional>
#include <iostream>
#include <numeric>
#include <string>
#include <string_view>
#include <vector>
namespace {
#if HAVE_MPI
struct MPIError
{
MPIError(std::string_view errstr, const int ec)
: errorstring { errstr }
, errorcode { ec }
{}
std::string errorstring;
int errorcode;
};
void MPI_err_handler(MPI_Comm*, int* err_code, ...)
{
std::vector<char> err_string_vec(MPI_MAX_ERROR_STRING);
auto err_length = 0;
MPI_Error_string(*err_code, err_string_vec.data(), &err_length);
auto err_string = std::string_view {
err_string_vec.data(), static_cast<std::string_view::size_type>(err_length)
};
std::cerr << "An MPI Error ocurred:\n -> " << err_string << '\n';
throw MPIError { err_string, *err_code };
}
#endif // HAVE_MPI
bool init_unit_test_func()
{
return true;
}
std::vector<std::size_t> sourceLocations(const std::size_t numLoc)
{
auto srcLoc = std::vector<std::size_t>(numLoc);
std::iota(srcLoc.begin(), srcLoc.end(), std::size_t{0});
return srcLoc;
}
class LocalCellIndex
{
public:
explicit LocalCellIndex(const std::size_t rank,
const std::size_t size)
: rank_ { rank }
, size_ { size }
{}
int operator()(const std::size_t i) const
{
return ((i % this->size_) == this->rank_)
? static_cast<int>(i / this->size_)
: -1;
}
private:
std::size_t rank_{};
std::size_t size_{};
};
class CalculateSourceTerm
{
public:
using SrcTerm = Opm::PAvgDynamicSourceData<double>::SourceDataSpan<double>;
explicit CalculateSourceTerm(const std::size_t rank)
: rank_ { rank }
{}
void operator()(const int i, SrcTerm source_term) const
{
using Item = typename SrcTerm::Item;
source_term
.set(Item::Pressure , this->rank_*314.15 - i)
.set(Item::PoreVol , this->rank_*172.9 + 10.0*i)
.set(Item::MixtureDensity, this->rank_*852.96 + i);
}
private:
std::size_t rank_{};
};
std::size_t
sourceTermsAreCorrect(const std::size_t comm_size,
const std::size_t num_src,
const Opm::PAvgDynamicSourceData<double>& source_data)
{
using Item = Opm::PAvgDynamicSourceData<double>::SourceDataSpan<const double>::Item;
auto num_correct = 0*num_src;
for (auto srcID = 0*num_src; srcID < num_src; ++srcID) {
const auto rank = srcID % comm_size;
const auto locI = srcID / comm_size;
const auto src = source_data[srcID];
const auto ok =
(src[Item::Pressure] == rank*314.15 - locI) &&
(src[Item::PoreVol] == rank*172.9 + 10*locI) &&
(src[Item::MixtureDensity] == rank*852.96 + locI);
num_correct += ok;
}
return num_correct == num_src;
}
} // Anonymous namespace
BOOST_AUTO_TEST_CASE(Eval_and_collect)
{
auto comm = Opm::Parallel::Communication {
Dune::MPIHelper::getCommunicator()
};
const auto comm_rank = static_cast<std::size_t>(comm.rank());
const auto comm_size = static_cast<std::size_t>(comm.size());
const auto num_src_loc = std::size_t{50};
auto source_data = Opm::ParallelPAvgDynamicSourceData<double> {
comm, sourceLocations(num_src_loc),
LocalCellIndex { comm_rank, comm_size }
};
source_data.collectLocalSources(CalculateSourceTerm { comm_rank });
source_data.synchroniseSources();
const auto num_rank_correct = comm.sum
(sourceTermsAreCorrect(comm_size, num_src_loc, source_data));
if (comm_rank == 0) {
BOOST_CHECK_EQUAL(num_rank_correct, comm_size);
}
}
int main(int argc, char** argv)
{
Dune::MPIHelper::instance(argc, argv);
#if HAVE_MPI
// Register a throwing error handler to allow for debugging with
//
// catch throw
//
// in GDB.
MPI_Errhandler handler{};
MPI_Comm_create_errhandler(MPI_err_handler, &handler);
MPI_Comm_set_errhandler(MPI_COMM_WORLD, handler);
#endif // HAVE_MPI
return boost::unit_test::unit_test_main(&init_unit_test_func, argc, argv);
}
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