78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
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* Copyright 2018-2020 SChernykh <https://github.com/SChernykh>
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* Copyright 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "backend/cuda/runners/CudaKawPowRunner.h"
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#include "backend/cuda/CudaLaunchData.h"
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#include "backend/cuda/wrappers/CudaLib.h"
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#include "base/io/log/Log.h"
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#include "base/net/stratum/Job.h"
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#include "base/tools/Chrono.h"
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#include "crypto/kawpow/KPCache.h"
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#include "crypto/kawpow/KPHash.h"
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#include "3rdparty/libethash/data_sizes.h"
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xmrig::CudaKawPowRunner::CudaKawPowRunner(size_t index, const CudaLaunchData &data) :
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CudaBaseRunner(index, data)
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{
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}
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bool xmrig::CudaKawPowRunner::run(uint32_t /*startNonce*/, uint32_t *rescount, uint32_t *resnonce)
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{
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return callWrapper(CudaLib::KawPowHash(m_ctx, m_jobBlob, m_target, rescount, resnonce));
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}
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bool xmrig::CudaKawPowRunner::set(const Job &job, uint8_t *blob)
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{
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if (!CudaBaseRunner::set(job, blob)) {
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return false;
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}
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m_jobBlob = blob;
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const uint64_t height = job.height();
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const uint32_t epoch = height / KPHash::EPOCH_LENGTH;
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KPCache& cache = KPCache::s_cache;
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{
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std::lock_guard<std::mutex> lock(KPCache::s_cacheMutex);
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cache.init(epoch);
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}
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const uint64_t start_ms = Chrono::steadyMSecs();
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const bool result = CudaLib::KawPowPrepare(m_ctx, cache.data(), cache.size(), cache.dag_size(epoch), height, dag_sizes);
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const int64_t dt = Chrono::steadyMSecs() - start_ms;
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if (dt > 500) {
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LOG_INFO("KawPow DAG for epoch %u calculated (%" PRIu64 " ms)", epoch, dt);
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}
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return result;
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}
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