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Improved Zen 3 MSR mod

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+0.5% speedup on Ryzen 5 5600X
This commit is contained in:
SChernykh 2022-11-17 23:24:28 +01:00
parent 1aa0e37b54
commit 3ad6ab56a5
2 changed files with 3 additions and 3 deletions
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4
scripts/randomx_boost.sh
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@ -24,8 +24,8 @@ if grep -E 'AMD Ryzen|AMD EPYC' /proc/cpuinfo > /dev/null;
echo "Detected Zen3 CPU"
wrmsr -a 0xc0011020 0x4480000000000
wrmsr -a 0xc0011021 0x1c000200000040
wrmsr -a 0xc0011022 0xc000000401500000
wrmsr -a 0xc001102b 0x2000cc14
wrmsr -a 0xc0011022 0xc000000401570000
wrmsr -a 0xc001102b 0x2000cc10
echo "MSR register values for Zen3 applied"
fi
else

2
src/crypto/rx/RxConfig.cpp
View file

@ -63,7 +63,7 @@ constexpr size_t kMsrArraySize = 6;
static const std::array<MsrItems, kMsrArraySize> msrPresets = {
MsrItems(),
MsrItems{{ 0xC0011020, 0ULL }, { 0xC0011021, 0x40ULL, ~0x20ULL }, { 0xC0011022, 0x1510000ULL }, { 0xC001102b, 0x2000cc16ULL }},
MsrItems{{ 0xC0011020, 0x0004480000000000ULL }, { 0xC0011021, 0x001c000200000040ULL, ~0x20ULL }, { 0xC0011022, 0xc000000401500000ULL }, { 0xC001102b, 0x2000cc14ULL }},
MsrItems{{ 0xC0011020, 0x0004480000000000ULL }, { 0xC0011021, 0x001c000200000040ULL, ~0x20ULL }, { 0xC0011022, 0xc000000401570000ULL }, { 0xC001102b, 0x2000cc10ULL }},
MsrItems{{ 0xC0011020, 0x0004400000000000ULL }, { 0xC0011021, 0x0004000000000040ULL, ~0x20ULL }, { 0xC0011022, 0x8680000401570000ULL }, { 0xC001102b, 0x2040cc10ULL }},
MsrItems{{ 0x1a4, 0xf }},
MsrItems()