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Fix: use cn-heavy optimization only for Vermeer CPUs

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Fixes #2680
This commit is contained in:
SChernykh 2021-11-11 07:57:05 +01:00
parent e6c456a970
commit 3bece0ff40
3 changed files with 11 additions and 1 deletions
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3
src/backend/cpu/CpuWorker.cpp
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@ -82,7 +82,8 @@ xmrig::CpuWorker<N>::CpuWorker(size_t id, const CpuLaunchData &data) :
{
# ifdef XMRIG_ALGO_CN_HEAVY
// cn-heavy optimization for Zen3 CPUs
if ((N == 1) && (m_av == CnHash::AV_SINGLE) && (m_algorithm.family() == Algorithm::CN_HEAVY) && (m_assembly != Assembly::NONE) && (Cpu::info()->arch() == ICpuInfo::ARCH_ZEN3)) {
const bool is_vermeer = (Cpu::info()->arch() == ICpuInfo::ARCH_ZEN3) && (Cpu::info()->model() == 0x21);
if ((N == 1) && (m_av == CnHash::AV_SINGLE) && (m_algorithm.family() == Algorithm::CN_HEAVY) && (m_assembly != Assembly::NONE) && is_vermeer) {
std::lock_guard<std::mutex> lock(cn_heavyZen3MemoryMutex);
if (!cn_heavyZen3Memory) {
// Round up number of threads to the multiple of 8