Merge pull request #3535 from SChernykh/dev

RandomX: tweaks for Zen5
2026-04-28 00:32:37 -04:00 · 2024-08-20 06:47:30 +07:00 · 2024-08-19 21:01:49 +02:00
2 changed files with 2 additions and 4 deletions
--- a/src/crypto/randomx/jit_compiler_x86.cpp
+++ b/src/crypto/randomx/jit_compiler_x86.cpp
@@ -267,8 +267,8 @@ namespace randomx {
 						initDatasetAVX2 = false;
 						break;
 					case xmrig::ICpuInfo::ARCH_ZEN5:
-						// TODO: test it
-						initDatasetAVX2 = false;
+						// AVX2 init is 49% faster on Zen5
+						initDatasetAVX2 = true;
 						break;
 					}
 				}
--- a/src/crypto/rx/RxConfig.cpp
+++ b/src/crypto/rx/RxConfig.cpp
@@ -60,8 +60,6 @@ static const std::array<MsrItems, kMsrArraySize> msrPresets = {
    MsrItems{{ 0xC0011020, 0ULL }, { 0xC0011021, 0x40ULL, ~0x20ULL }, { 0xC0011022, 0x1510000ULL }, { 0xC001102b, 0x2000cc16ULL }},
    MsrItems{{ 0xC0011020, 0x0004480000000000ULL }, { 0xC0011021, 0x001c000200000040ULL, ~0x20ULL }, { 0xC0011022, 0xc000000401570000ULL }, { 0xC001102b, 0x2000cc10ULL }},
    MsrItems{{ 0xC0011020, 0x0004400000000000ULL }, { 0xC0011021, 0x0004000000000040ULL, ~0x20ULL }, { 0xC0011022, 0x8680000401570000ULL }, { 0xC001102b, 0x2040cc10ULL }},
-
-    // TODO: Tune it for Zen5 when it's available
    MsrItems{{ 0xC0011020, 0x0004400000000000ULL }, { 0xC0011021, 0x0004000000000040ULL, ~0x20ULL }, { 0xC0011022, 0x8680000401570000ULL }, { 0xC001102b, 0x2040cc10ULL }},

    MsrItems{{ 0x1a4, 0xf }},
Author	SHA1	Message	Date
xmrig	26f4936f6f	Merge pull request #3535 from SChernykh/dev RandomX: tweaks for Zen5	2024-08-20 06:47:30 +07:00
SChernykh	a411ee3565	RandomX: tweaks for Zen5	2024-08-19 21:01:49 +02:00