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56 lines
1.5 KiB
56 lines
1.5 KiB
10 years ago
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#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_cu_miner_kernel.h"
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class ethash_cu_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_cu_miner();
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bool init(uint8_t const* _dag, uint64_t _dagSize, unsigned num_buffers = 2, unsigned search_batch_size = 262144, unsigned workgroup_size = 64, unsigned _deviceId = 0, bool highcpu = false);
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static std::string platform_info(unsigned _deviceId = 0);
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static int get_num_devices();
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void finish();
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void hash(uint8_t* ret, uint8_t const* header, uint64_t nonce, unsigned count);
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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 local work size. Also known as workgroup size.
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static unsigned const c_defaultLocalWorkSize;
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/// Default value of the global work size as a multiplier of the local work size
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static unsigned const c_defaultGlobalWorkSizeMultiplier;
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private:
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enum { c_max_search_results = 63, c_hash_batch_size = 1024 };
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bool m_highcpu;
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unsigned m_num_buffers;
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unsigned m_search_batch_size;
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unsigned m_workgroup_size;
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hash128_t * m_dag_ptr;
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hash32_t * m_header;
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void ** m_hash_buf;
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uint32_t ** m_search_buf;
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cudaStream_t * m_streams;
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};
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