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74 lines
1.9 KiB
74 lines
1.9 KiB
#pragma once
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//#include <cuda_runtime.h>
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#include <time.h>
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#include <functional>
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#include <libethash/ethash.h>
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#include "ethash_cuda_miner_kernel.h"
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class ethash_cuda_miner
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{
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public:
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struct search_hook
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{
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virtual ~search_hook(); // always a virtual destructor for a class with virtuals.
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// reports progress, return true to abort
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virtual bool found(uint64_t const* nonces, uint32_t count) = 0;
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virtual bool searched(uint64_t start_nonce, uint32_t count) = 0;
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};
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public:
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ethash_cuda_miner();
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static std::string platform_info(unsigned _deviceId = 0);
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static unsigned getNumDevices();
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static void listDevices();
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static bool configureGPU(
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int * _devices,
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unsigned _blockSize,
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unsigned _gridSize,
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unsigned _numStreams,
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unsigned _extraGPUMemory,
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unsigned _scheduleFlag,
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uint64_t _currentBlock
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);
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bool init(
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uint8_t const* _dag,
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uint64_t _dagSize,
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unsigned _deviceId = 0
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);
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void finish();
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void search(uint8_t const* header, uint64_t target, search_hook& hook);
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/* -- default values -- */
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/// Default value of the block size. Also known as workgroup size.
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static unsigned const c_defaultBlockSize;
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/// Default value of the grid size
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static unsigned const c_defaultGridSize;
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// default number of CUDA streams
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static unsigned const c_defaultNumStreams;
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private:
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hash32_t m_current_header;
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uint64_t m_current_target;
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uint64_t m_current_nonce;
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uint64_t m_current_index;
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volatile uint32_t ** m_search_buf;
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cudaStream_t * m_streams;
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/// The local work size for the search
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static unsigned s_blockSize;
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/// The initial global work size for the searches
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static unsigned s_gridSize;
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/// The number of CUDA streams
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static unsigned s_numStreams;
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/// CUDA schedule flag
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static unsigned s_scheduleFlag;
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/// GPU memory required for other things, like window rendering e.t.c.
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/// User can set it via the --cl-extragpu-mem argument.
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static unsigned s_extraRequiredGPUMem;
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};
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