86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2013-2023 Regents of the University of California.
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*
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* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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*
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* ndn-cxx library is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received copies of the GNU General Public License and GNU Lesser
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* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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*/
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#define BOOST_TEST_MODULE ndn-cxx Scheduler Benchmark
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#include "tests/boost-test.hpp"
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#include "ndn-cxx/util/scheduler.hpp"
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#include "tests/benchmarks/timed-execute.hpp"
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#include <boost/asio/io_context.hpp>
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#include <iostream>
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namespace ndn::tests {
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BOOST_AUTO_TEST_CASE(ScheduleCancel)
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{
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boost::asio::io_context io;
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Scheduler sched(io);
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const size_t nEvents = 1000000;
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std::vector<scheduler::EventId> eventIds(nEvents);
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auto d1 = timedExecute([&] {
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for (size_t i = 0; i < nEvents; ++i) {
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eventIds[i] = sched.schedule(1_s, []{});
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}
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});
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auto d2 = timedExecute([&] {
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for (size_t i = 0; i < nEvents; ++i) {
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eventIds[i].cancel();
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}
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});
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std::cout << "schedule " << nEvents << " events: " << d1 << std::endl;
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std::cout << "cancel " << nEvents << " events: " << d2 << std::endl;
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}
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BOOST_AUTO_TEST_CASE(Execute)
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{
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boost::asio::io_context io;
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Scheduler sched(io);
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const size_t nEvents = 1000000;
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size_t nExpired = 0;
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// Events should expire at t1, but execution finishes at t2. The difference is the overhead.
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time::steady_clock::time_point t1 = time::steady_clock::now() + 5_s;
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time::steady_clock::time_point t2;
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// +1ms ensures this extra event is executed last. In case the overhead is less than 1ms,
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// it will be reported as 1ms.
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sched.schedule(t1 - time::steady_clock::now() + 1_ms, [&] {
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t2 = time::steady_clock::now();
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BOOST_REQUIRE_EQUAL(nExpired, nEvents);
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});
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for (size_t i = 0; i < nEvents; ++i) {
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sched.schedule(t1 - time::steady_clock::now(), [&] { ++nExpired; });
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}
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io.run();
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BOOST_REQUIRE_EQUAL(nExpired, nEvents);
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std::cout << "execute " << nEvents << " events: " << (t2 - t1) << std::endl;
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}
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} // namespace ndn::tests
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