80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/*
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This file is part of progminer.
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progminer 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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progminer 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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You should have received a copy of the GNU General Public License
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along with progminer. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <libdevcore/Worker.h>
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#include <libethcore/EthashAux.h>
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#include <libethcore/Miner.h>
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#include <libprogpow/ProgPow.h>
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#include <cuda.h>
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#include "CUDAMiner_cuda.h"
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#include <functional>
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namespace dev
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{
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namespace eth
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{
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class CUDAMiner : public Miner
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{
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public:
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CUDAMiner(unsigned _index, CUSettings _settings, DeviceDescriptor& _device);
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~CUDAMiner() override;
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static int getNumDevices();
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static void enumDevices(std::map<string, DeviceDescriptor>& _DevicesCollection);
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void search(
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uint8_t const* header, uint64_t target, uint64_t _startN, const dev::eth::WorkPackage& w);
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protected:
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bool initDevice() override;
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bool initEpoch_internal() override;
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void kick_miner() override;
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private:
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atomic<bool> m_new_work = {false};
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void workLoop() override;
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uint8_t m_kernelCompIx = 0;
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uint8_t m_kernelExecIx = 1;
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CUfunction m_kernel[2];
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std::vector<volatile Search_results*> m_search_buf;
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std::vector<cudaStream_t> m_streams;
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uint64_t m_current_target = 0;
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CUSettings m_settings;
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const uint32_t m_batch_size;
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const uint32_t m_streams_batch_size;
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uint64_t m_allocated_memory_dag = 0; // dag_size is a uint64_t in EpochContext struct
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size_t m_allocated_memory_light_cache = 0;
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void compileKernel(uint64_t prog_seed, uint64_t dag_words, CUfunction& kernel);
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void asyncCompile();
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CUcontext m_context;
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};
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} // namespace eth
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} // namespace dev
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