1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
Copyright 2018 SINTEF Digital, Mathematics and Cybernetics.
Copyright 2018 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 TestBroadCast
#define BOOST_TEST_NO_MAIN
#include <boost/test/unit_test.hpp>
#include <opm/simulators/utils/MPIPacker.hpp>
#include <opm/simulators/utils/MPISerializer.hpp>
#include <dune/common/parallel/mpihelper.hh>
#include <numeric>
#if HAVE_MPI
struct MPIError
{
MPIError(std::string s, int e) : errorstring(std::move(s)), errorcode(e){}
std::string errorstring;
int errorcode;
};
void MPI_err_handler(MPI_Comm*, int* err_code, ...)
{
std::vector<char> err_string(MPI_MAX_ERROR_STRING);
int err_length;
MPI_Error_string(*err_code, err_string.data(), &err_length);
std::string s(err_string.data(), err_length);
std::cerr << "An MPI Error ocurred:" << std::endl << s << std::endl;
throw MPIError(s, *err_code);
}
#endif
bool
init_unit_test_func()
{
return true;
}
BOOST_AUTO_TEST_CASE(BroadCast)
{
const auto& cc = Dune::MPIHelper::getCommunication();
std::vector<double> d(3);
if (cc.rank() == 1)
std::iota(d.begin(), d.end(), 1.0);
std::vector<int> i(3);
if (cc.rank() == 1)
std::iota(i.begin(), i.end(), 4);
double d1 = cc.rank() == 1 ? 7.0 : 0.0;
size_t i1 = cc.rank() == 1 ? 8 : 0;
Opm::Parallel::MpiSerializer ser(cc);
ser.broadcast(Opm::Parallel::RootRank{1}, d, i, d1, i1);
for (size_t c = 0; c < 3; ++c) {
BOOST_CHECK_EQUAL(d[c], 1.0+c);
BOOST_CHECK_EQUAL(i[c], 4+c);
}
BOOST_CHECK_EQUAL(d1, 7.0);
BOOST_CHECK_EQUAL(i1, 8);
}
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
return boost::unit_test::unit_test_main(&init_unit_test_func, argc, argv);
}
|
