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Merge pull request #1760 from SChernykh/dev

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KawPow: fixed rare duplicate share errors
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xmrig 2020-07-02 19:23:28 +07:00 committed by GitHub
commit 34a5c89ee2
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1 changed files with 11 additions and 4 deletions
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9
src/backend/common/WorkerJob.h
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@ -139,12 +139,19 @@ inline bool xmrig::WorkerJob<1>::nextRound(uint32_t rounds, uint32_t roundSize)
} }
// Increment higher 32 bits of a 64-bit nonce when lower 32 bits overflow // Increment higher 32 bits of a 64-bit nonce when lower 32 bits overflow
if (!currentJob().isNicehash() && (nonceSize() == sizeof(uint64_t)) && (*n < prev_nonce)) { if (!currentJob().isNicehash() && (nonceSize() == sizeof(uint64_t))) {
const bool wrapped = (*n < prev_nonce);
const bool wraps_this_round = (static_cast<uint64_t>(*n) + roundSize > (1ULL << 32));
// Account for the case when starting nonce hasn't wrapped yet, but some nonces in the current round will wrap
if (wrapped | wraps_this_round) {
*n = 0; // Set lower 32 bits to 0 when higher 32 bits change
++n[1]; ++n[1];
Job& job = m_jobs[index()]; Job& job = m_jobs[index()];
memcpy(job.blob(), blob(), job.size()); memcpy(job.blob(), blob(), job.size());
} }
}
return ok; return ok;
} }