//
// libsemigroups - C++ library for semigroups and monoids
// Copyright (C) 2020 James D. Mitchell
//
// 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/>.
//
#include "bench-main.hpp" // for LIBSEMIGROUPS_BENCHMARK
#include "catch.hpp" // for REQUIRE, REQUIRE_NOTHROW, REQUIRE_THROWS_AS
#include "uf-old.hpp" // for UFOld
#include "libsemigroups/string.hpp" // for to_string
#include "libsemigroups/uf.hpp" // for Duf and Suf
namespace libsemigroups {
namespace detail {
template <size_t N>
void bench_uf() {
std::default_random_engine gen;
std::uniform_int_distribution<
int> dist(0, N - 1);
static size_t M = 10;
M = N;
BENCHMARK(
"Duf" + to_string(M)) {
for (size_t j = 0; j < 10; ++j) {
Duf<> uf(N);
for (size_t i = 0; i < N / 5; ++i) {
uf.unite(dist(gen), dist(gen));
}
REQUIRE(uf.number_of_blocks() > 1);
}
};
BENCHMARK(
"Suf" + to_string(M)) {
for (size_t j = 0; j < 10; ++j) {
Suf<N> uf;
for (size_t i = 0; i < N / 5; ++i) {
uf.unite(dist(gen), dist(gen));
}
REQUIRE(uf.number_of_blocks() > 1);
}
};
BENCHMARK(
"UFOld" + to_string(M)) {
for (size_t j = 0; j < 10; ++j) {
UFOld uf(N);
for (size_t i = 0; i < N / 5; ++i) {
uf.unite(dist(gen), dist(gen));
}
REQUIRE(uf.nr_blocks() > 1);
}
};
}
TEST_CASE(
"UFOld",
"[quick]") {
bench_uf<100>();
bench_uf<1000>();
bench_uf<10000>();
bench_uf<100000>();
bench_uf<1000000>();
}
}
// namespace detail
}
// namespace libsemigroups