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nonce iteration optimization

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efficient and correct nonce iteration without duplicates
This commit is contained in:
cohcho
2020-09-05 08:46:56 +00:00
parent 0f09883429
commit b826985d05
3 changed files with 39 additions and 69 deletions
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7
src/crypto/common/Nonce.h
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@@ -27,6 +27,7 @@
#include <atomic>
#include <cstddef>
namespace xmrig {
@@ -49,18 +50,18 @@ public:
static inline bool isPaused() { return m_paused.load(std::memory_order_relaxed); }
static inline uint64_t sequence(Backend backend) { return m_sequence[backend].load(std::memory_order_relaxed); }
static inline void pause(bool paused) { m_paused = paused; }
static inline void reset(uint8_t index) { m_nonces[index] = 0; }
static inline void stop(Backend backend) { m_sequence[backend] = 0; }
static inline void touch(Backend backend) { m_sequence[backend]++; }
static uint32_t next(uint8_t index, uint32_t nonce, uint32_t reserveCount, bool nicehash, bool *ok = nullptr);
static void reset(uint8_t index);
static bool next(uint8_t index, uint32_t *nonce, uint32_t reserveCount, bool nicehash, size_t nonceSize);
static void stop();
static void touch();
private:
static std::atomic<bool> m_paused;
static std::atomic<uint64_t> m_sequence[MAX];
static uint32_t m_nonces[2];
static std::atomic<uint64_t> m_nonces[2];
};