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https://github.com/jwinterm/xmr-stak.git
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61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
#pragma once
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#include <thread>
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#include <atomic>
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#include "./jconf.h"
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#include "../IBackend.hpp"
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#include "amd_gpu/gpu.h"
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namespace xmrstak
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{
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namespace amd
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{
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class minethd : public IBackend
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{
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public:
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static void switch_work(miner_work& pWork);
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static std::vector<IBackend*>* thread_starter(uint32_t threadOffset, miner_work& pWork);
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static bool init_gpus();
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private:
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typedef void (*cn_hash_fun)(const void*, size_t, void*, cryptonight_ctx*);
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minethd(miner_work& pWork, size_t iNo, GpuContext* ctx);
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// We use the top 8 bits of the nonce for thread and resume
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// This allows us to resume up to 64 threads 4 times before
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// we get nonce collisions
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// Bottom 24 bits allow for an hour of work at 4000 H/s
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inline uint32_t calc_start_nonce(uint32_t resume)
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{
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return reverseBits<uint32_t>(static_cast<uint32_t>(iThreadNo + GlobalStates::iThreadCount * resume));
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}
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void work_main();
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void double_work_main();
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void consume_work();
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uint64_t iJobNo;
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static miner_work oGlobalWork;
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miner_work oWork;
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std::thread oWorkThd;
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uint8_t iThreadNo;
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bool bQuit;
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bool bNoPrefetch;
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//Mutable ptr to vector below, different for each thread
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GpuContext* pGpuCtx;
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// WARNING - this vector (but not its contents) must be immutable
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// once the threads are started
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static std::vector<GpuContext> vGpuData;
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};
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} // namespace amd
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} // namespace xmrstak
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