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Fix crash in cn-heavy on Zen3 with manual thread count

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This commit is contained in:
SChernykh 2021-03-04 10:02:35 +01:00
parent 1f9cdc0564
commit 70cddc06ba
1 changed files with 3 additions and 1 deletions
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4
src/backend/cpu/CpuWorker.cpp
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@ -86,7 +86,9 @@ xmrig::CpuWorker<N>::CpuWorker(size_t id, const CpuLaunchData &data) :
if ((N == 1) && (m_av == CnHash::AV_SINGLE) && (m_algorithm.family() == Algorithm::CN_HEAVY) && (m_assembly != Assembly::NONE) && (Cpu::info()->arch() == ICpuInfo::ARCH_ZEN3)) { if ((N == 1) && (m_av == CnHash::AV_SINGLE) && (m_algorithm.family() == Algorithm::CN_HEAVY) && (m_assembly != Assembly::NONE) && (Cpu::info()->arch() == ICpuInfo::ARCH_ZEN3)) {
std::lock_guard<std::mutex> lock(cn_heavyZen3MemoryMutex); std::lock_guard<std::mutex> lock(cn_heavyZen3MemoryMutex);
if (!cn_heavyZen3Memory) { if (!cn_heavyZen3Memory) {
cn_heavyZen3Memory = new VirtualMemory(m_algorithm.l3() * m_threads, data.hugePages, false, false, node()); // Round up number of threads to the multiple of 8
const size_t N = ((m_threads + 7) / 8) * 8;
cn_heavyZen3Memory = new VirtualMemory(m_algorithm.l3() * N, data.hugePages, false, false, node());
} }
m_memory = cn_heavyZen3Memory; m_memory = cn_heavyZen3Memory;
} }