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Optimized cn-heavy for Zen3

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- Uses scratchpad interleaving to access only the closest L3 slice from each CPU core.
- Also activates MSR mod for cn-heavy because CPU prefetchers get confused with interleaving
- 7-8% speedup on Zen3
This commit is contained in:
SChernykh 2021-02-07 22:05:11 +01:00
parent b1e14dc1d3
commit 8af8df25aa
8 changed files with 187 additions and 81 deletions
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34
src/crypto/cn/CnHash.cpp
View file

@ -49,15 +49,15 @@
#define ADD_FN(algo) \
m_map[algo][AV_SINGLE][Assembly::NONE] = cryptonight_single_hash<algo, false>; \
m_map[algo][AV_SINGLE_SOFT][Assembly::NONE] = cryptonight_single_hash<algo, true>; \
m_map[algo][AV_DOUBLE][Assembly::NONE] = cryptonight_double_hash<algo, false>; \
m_map[algo][AV_DOUBLE_SOFT][Assembly::NONE] = cryptonight_double_hash<algo, true>; \
m_map[algo][AV_TRIPLE][Assembly::NONE] = cryptonight_triple_hash<algo, false>; \
m_map[algo][AV_TRIPLE_SOFT][Assembly::NONE] = cryptonight_triple_hash<algo, true>; \
m_map[algo][AV_QUAD][Assembly::NONE] = cryptonight_quad_hash<algo, false>; \
m_map[algo][AV_QUAD_SOFT][Assembly::NONE] = cryptonight_quad_hash<algo, true>; \
m_map[algo][AV_PENTA][Assembly::NONE] = cryptonight_penta_hash<algo, false>; \
m_map[algo][AV_SINGLE][Assembly::NONE] = cryptonight_single_hash<algo, false, 0>; \
m_map[algo][AV_SINGLE_SOFT][Assembly::NONE] = cryptonight_single_hash<algo, true, 0>; \
m_map[algo][AV_DOUBLE][Assembly::NONE] = cryptonight_double_hash<algo, false>; \
m_map[algo][AV_DOUBLE_SOFT][Assembly::NONE] = cryptonight_double_hash<algo, true>; \
m_map[algo][AV_TRIPLE][Assembly::NONE] = cryptonight_triple_hash<algo, false>; \
m_map[algo][AV_TRIPLE_SOFT][Assembly::NONE] = cryptonight_triple_hash<algo, true>; \
m_map[algo][AV_QUAD][Assembly::NONE] = cryptonight_quad_hash<algo, false>; \
m_map[algo][AV_QUAD_SOFT][Assembly::NONE] = cryptonight_quad_hash<algo, true>; \
m_map[algo][AV_PENTA][Assembly::NONE] = cryptonight_penta_hash<algo, false>; \
m_map[algo][AV_PENTA_SOFT][Assembly::NONE] = cryptonight_penta_hash<algo, true>;
@ -298,6 +298,22 @@ xmrig::cn_hash_fun xmrig::CnHash::fn(const Algorithm &algorithm, AlgoVariant av,
return nullptr;
}
# ifdef XMRIG_ALGO_CN_HEAVY
// cn-heavy optimization for Zen3 CPUs
if ((av == AV_SINGLE) && (xmrig::Cpu::info()->arch() == xmrig::ICpuInfo::ARCH_ZEN3)) {
switch (algorithm.id()) {
case xmrig::Algorithm::CN_HEAVY_0:
return cryptonight_single_hash<xmrig::Algorithm::CN_HEAVY_0, false, 3>;
case xmrig::Algorithm::CN_HEAVY_TUBE:
return cryptonight_single_hash<xmrig::Algorithm::CN_HEAVY_TUBE, false, 3>;
case xmrig::Algorithm::CN_HEAVY_XHV:
return cryptonight_single_hash<xmrig::Algorithm::CN_HEAVY_XHV, false, 3>;
default:
break;
}
}
# endif
# ifdef XMRIG_FEATURE_ASM
cn_hash_fun fun = cnHash.m_map[algorithm][av][Cpu::assembly(assembly)];
if (fun) {