xmrig-minimized/src/backend/common/benchmark/BenchState.cpp

144 lines
3.1 KiB
C++

/* XMRig
* Copyright (c) 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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 "backend/common/benchmark/BenchState.h"
#include "backend/common/benchmark/BenchState_test.h"
#include "backend/common/interfaces/IBenchListener.h"
#include "base/io/Async.h"
#include "base/tools/Chrono.h"
#include <algorithm>
#include <cassert>
#include <memory>
#include <mutex>
namespace xmrig {
class BenchStatePrivate
{
public:
BenchStatePrivate(IBenchListener *listener, uint32_t size) :
listener(listener),
size(size)
{}
IBenchListener *listener;
std::mutex mutex;
std::shared_ptr<Async> async;
uint32_t remaining = 0;
uint32_t size;
uint64_t doneTime = 0;
};
static BenchStatePrivate *d_ptr = nullptr;
std::atomic<uint64_t> BenchState::m_data{};
} // namespace xmrig
bool xmrig::BenchState::isDone()
{
return d_ptr == nullptr;
}
uint32_t xmrig::BenchState::size()
{
return d_ptr ? d_ptr->size : 0U;
}
uint64_t xmrig::BenchState::referenceHash(const Algorithm &algo, uint32_t size, uint32_t threads)
{
uint64_t hash = 0;
try {
const auto &h = (threads == 1) ? hashCheck1T : hashCheck;
hash = h.at(algo).at(size);
} catch (const std::exception &ex) {}
return hash;
}
uint64_t xmrig::BenchState::start(size_t threads, const IBackend *backend)
{
assert(d_ptr != nullptr);
d_ptr->remaining = static_cast<uint32_t>(threads);
d_ptr->async = std::make_shared<Async>([] {
d_ptr->listener->onBenchDone(m_data, 0, d_ptr->doneTime);
destroy();
});
const uint64_t ts = Chrono::steadyMSecs();
d_ptr->listener->onBenchReady(ts, d_ptr->remaining, backend);
return ts;
}
void xmrig::BenchState::destroy()
{
delete d_ptr;
d_ptr = nullptr;
}
void xmrig::BenchState::done()
{
assert(d_ptr != nullptr && d_ptr->async && d_ptr->remaining > 0);
const uint64_t ts = Chrono::steadyMSecs();
std::lock_guard<std::mutex> lock(d_ptr->mutex);
d_ptr->doneTime = std::max(d_ptr->doneTime, ts);
--d_ptr->remaining;
if (d_ptr->remaining == 0) {
d_ptr->async->send();
}
}
void xmrig::BenchState::init(IBenchListener *listener, uint32_t size)
{
assert(d_ptr == nullptr);
d_ptr = new BenchStatePrivate(listener, size);
}
void xmrig::BenchState::setSize(uint32_t size)
{
assert(d_ptr != nullptr);
d_ptr->size = size;
}