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/*
* This file is a part of TiledArray.
* Copyright (C) 2013 Virginia Tech
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* justus
* Department of Chemistry, Virginia Tech
*
* replicated_pmap.cpp
* Aug 3, 2013
*
*/
#include "TiledArray/pmap/replicated_pmap.h"
#include "unit_test_config.h"
struct ReplicatedPmapFixture {
ReplicatedPmapFixture() {}
~ReplicatedPmapFixture() {}
}; // Fixture
BOOST_FIXTURE_TEST_SUITE(replicated_pmap_suite, ReplicatedPmapFixture)
BOOST_AUTO_TEST_CASE(constructor) {
for (std::size_t tiles = 1ul; tiles < 100ul; ++tiles) {
BOOST_REQUIRE_NO_THROW(
TiledArray::detail::ReplicatedPmap pmap(*GlobalFixture::world, tiles));
TiledArray::detail::ReplicatedPmap pmap(*GlobalFixture::world, tiles);
BOOST_CHECK_EQUAL(pmap.rank(), GlobalFixture::world->rank());
BOOST_CHECK_EQUAL(pmap.procs(), GlobalFixture::world->size());
BOOST_CHECK_EQUAL(pmap.size(), tiles);
}
}
BOOST_AUTO_TEST_CASE(owner) {
const std::size_t rank = GlobalFixture::world->rank();
// Check various pmap sizes
for (std::size_t tiles = 1ul; tiles < 100ul; ++tiles) {
TiledArray::detail::ReplicatedPmap pmap(*GlobalFixture::world, tiles);
for (std::size_t tile = 0; tile < tiles; ++tile) {
BOOST_CHECK_EQUAL(pmap.owner(tile), rank);
}
}
}
BOOST_AUTO_TEST_CASE(local_size) {
for (std::size_t tiles = 1ul; tiles < 100ul; ++tiles) {
TiledArray::detail::ReplicatedPmap pmap(*GlobalFixture::world, tiles);
// Check that the total number of elements in all local groups is equal to
// the number of tiles in the map.
BOOST_CHECK_EQUAL(pmap.local_size(), tiles);
BOOST_CHECK(pmap.empty() == (pmap.local_size() == 0ul));
}
}
BOOST_AUTO_TEST_CASE(local_group) {
for (std::size_t tiles = 1ul; tiles < 100ul; ++tiles) {
TiledArray::detail::ReplicatedPmap pmap(*GlobalFixture::world, tiles);
// Check that all local elements map to this rank
for (TiledArray::detail::ReplicatedPmap::const_iterator it = pmap.begin();
it != pmap.end(); ++it) {
BOOST_CHECK_EQUAL(pmap.owner(*it), GlobalFixture::world->rank());
}
std::size_t i = 0ul;
for (TiledArray::detail::ReplicatedPmap::const_iterator it = pmap.begin();
it != pmap.end(); ++it, ++i) {
BOOST_CHECK_EQUAL(*it, i);
}
}
}
BOOST_AUTO_TEST_SUITE_END()
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