v6.18.1

Added Zen4 to randomx_boost.sh

CHANGELOG.md

@@ -1,3 +1,13 @@
+# v6.18.1
+- [#3129](https://github.com/xmrig/xmrig/pull/3129) Fix: protectRX flushed CPU cache only on MacOS/iOS.
+- [#3126](https://github.com/xmrig/xmrig/pull/3126) Don't reset when pool sends the same job blob.
+- [#3120](https://github.com/xmrig/xmrig/pull/3120) RandomX: optimized `CFROUND` elimination.
+- [#3109](https://github.com/xmrig/xmrig/pull/3109) RandomX: added Blake2 AVX2 version.
+- [#3082](https://github.com/xmrig/xmrig/pull/3082) Fixed GCC 12 warnings.
+- [#3075](https://github.com/xmrig/xmrig/pull/3075) Recognize `armv7ve` as valid ARMv7 target.
+- [#3132](https://github.com/xmrig/xmrig/pull/3132) RandomX: added MSR mod for Zen 4.
+- [#3134](https://github.com/xmrig/xmrig/pull/3134) Added Zen4 to `randomx_boost.sh`.
+
 # v6.18.0
 - [#3067](https://github.com/xmrig/xmrig/pull/3067) Monero v15 network upgrade support and more house keeping.
   - Removed deprecated AstroBWTv1 and v2.

scripts/randomx_boost.sh

@@ -10,14 +10,24 @@ fi
 
 if grep -E 'AMD Ryzen|AMD EPYC' /proc/cpuinfo > /dev/null;
 	then
-	if grep "cpu family[[:space:]]:[[:space:]]25" /proc/cpuinfo > /dev/null;
+	if grep "cpu family[[:space:]]\{1,\}:[[:space:]]25" /proc/cpuinfo > /dev/null;
 		then
-			echo "Detected Zen3 CPU"
-			wrmsr -a 0xc0011020 0x4480000000000
-			wrmsr -a 0xc0011021 0x1c000200000040
-			wrmsr -a 0xc0011022 0xc000000401500000
-			wrmsr -a 0xc001102b 0x2000cc14
-			echo "MSR register values for Zen3 applied"
+			if grep "model[[:space:]]\{1,\}:[[:space:]]97" /proc/cpuinfo > /dev/null;
+				then
+					echo "Detected Zen4 CPU"
+					wrmsr -a 0xc0011020 0x4400000000000
+					wrmsr -a 0xc0011021 0x4000000000040
+					wrmsr -a 0xc0011022 0x8680000401570000
+					wrmsr -a 0xc001102b 0x2040cc10
+					echo "MSR register values for Zen4 applied"
+				else
+					echo "Detected Zen3 CPU"
+					wrmsr -a 0xc0011020 0x4480000000000
+					wrmsr -a 0xc0011021 0x1c000200000040
+					wrmsr -a 0xc0011022 0xc000000401500000
+					wrmsr -a 0xc001102b 0x2000cc14
+					echo "MSR register values for Zen3 applied"
+				fi
 		else
 			echo "Detected Zen1/Zen2 CPU"
 			wrmsr -a 0xc0011020 0

src/backend/cpu/CpuWorker.cpp

@@ -77,8 +77,11 @@ xmrig::CpuWorker<N>::CpuWorker(size_t id, const CpuLaunchData &data) :
 {
 #   ifdef XMRIG_ALGO_CN_HEAVY
     // cn-heavy optimization for Zen3 CPUs
-    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) {
+    const auto arch = Cpu::info()->arch();
+    const uint32_t model = Cpu::info()->model();
+    const bool is_vermeer = (arch == ICpuInfo::ARCH_ZEN3) && (model == 0x21);
+    const bool is_raphael = (arch == ICpuInfo::ARCH_ZEN4) && (model == 0x61);
+    if ((N == 1) && (m_av == CnHash::AV_SINGLE) && (m_algorithm.family() == Algorithm::CN_HEAVY) && (m_assembly != Assembly::NONE) && (is_vermeer || is_raphael)) {
         std::lock_guard<std::mutex> lock(cn_heavyZen3MemoryMutex);
         if (!cn_heavyZen3Memory) {
             // Round up number of threads to the multiple of 8

src/backend/cpu/interfaces/ICpuInfo.h

@@ -45,19 +45,21 @@ public:
         ARCH_ZEN,
         ARCH_ZEN_PLUS,
         ARCH_ZEN2,
-        ARCH_ZEN3
+        ARCH_ZEN3,
+        ARCH_ZEN4
     };
 
     enum MsrMod : uint32_t {
         MSR_MOD_NONE,
         MSR_MOD_RYZEN_17H,
         MSR_MOD_RYZEN_19H,
+        MSR_MOD_RYZEN_19H_ZEN4,
         MSR_MOD_INTEL,
         MSR_MOD_CUSTOM,
         MSR_MOD_MAX
     };
 
-#   define MSR_NAMES_LIST "none", "ryzen_17h", "ryzen_19h", "intel", "custom"
+#   define MSR_NAMES_LIST "none", "ryzen_17h", "ryzen_19h", "ryzen_19h_zen4", "intel", "custom"
 
     enum Flag : uint32_t {
         FLAG_AES,

src/backend/cpu/platform/BasicCpuInfo.cpp

@@ -64,7 +64,7 @@ static_assert(kCpuFlagsSize == ICpuInfo::FLAG_MAX, "kCpuFlagsSize and FLAG_MAX m
 
 
 #ifdef XMRIG_FEATURE_MSR
-constexpr size_t kMsrArraySize                                  = 5;
+constexpr size_t kMsrArraySize                                  = 6;
 static const std::array<const char *, kMsrArraySize> msrNames   = { MSR_NAMES_LIST };
 static_assert(kMsrArraySize == ICpuInfo::MSR_MOD_MAX, "kMsrArraySize and MSR_MOD_MAX mismatch");
 #endif
@@ -250,8 +250,14 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
                     break;
 
                 case 0x19:
-                    m_arch = ARCH_ZEN3;
-                    m_msrMod = MSR_MOD_RYZEN_19H;
+                    if (m_model == 0x61) {
+                        m_arch = ARCH_ZEN4;
+                        m_msrMod = MSR_MOD_RYZEN_19H_ZEN4;
+                    }
+                    else {
+                        m_arch = ARCH_ZEN3;
+                        m_msrMod = MSR_MOD_RYZEN_19H;
+                    }
                     break;
 
                 default:

src/base/net/stratum/Job.cpp

@@ -48,7 +48,13 @@ xmrig::Job::Job(bool nicehash, const Algorithm &algorithm, const String &clientI
 
 bool xmrig::Job::isEqual(const Job &other) const
 {
-    return m_id == other.m_id && m_clientId == other.m_clientId && memcmp(m_blob, other.m_blob, sizeof(m_blob)) == 0 && m_target == other.m_target;
+    return m_id == other.m_id && m_clientId == other.m_clientId && isEqualBlob(other) && m_target == other.m_target;
+}
+
+
+bool xmrig::Job::isEqualBlob(const Job &other) const
+{
+    return (m_size == other.m_size) && (memcmp(m_blob, other.m_blob, m_size) == 0);
 }
 
 
@@ -58,19 +64,19 @@ bool xmrig::Job::setBlob(const char *blob)
         return false;
     }
 
-    m_size = strlen(blob);
-    if (m_size % 2 != 0) {
+    size_t size = strlen(blob);
+    if (size % 2 != 0) {
         return false;
     }
 
-    m_size /= 2;
+    size /= 2;
 
     const size_t minSize = nonceOffset() + nonceSize();
-    if (m_size < minSize || m_size >= sizeof(m_blob)) {
+    if (size < minSize || size >= sizeof(m_blob)) {
         return false;
     }
 
-    if (!Cvt::fromHex(m_blob, sizeof(m_blob), blob, m_size * 2)) {
+    if (!Cvt::fromHex(m_blob, sizeof(m_blob), blob, size * 2)) {
         return false;
     }
 
@@ -80,9 +86,10 @@ bool xmrig::Job::setBlob(const char *blob)
 
 #   ifdef XMRIG_PROXY_PROJECT
     memset(m_rawBlob, 0, sizeof(m_rawBlob));
-    memcpy(m_rawBlob, blob, m_size * 2);
+    memcpy(m_rawBlob, blob, size * 2);
 #   endif
 
+    m_size = size;
     return true;
 }
 

src/base/net/stratum/Job.h

@@ -59,6 +59,7 @@ public:
     ~Job() = default;
 
     bool isEqual(const Job &other) const;
+    bool isEqualBlob(const Job &other) const;
     bool setBlob(const char *blob);
     bool setSeedHash(const char *hash);
     bool setTarget(const char *target);

src/core/Miner.cpp

@@ -561,6 +561,12 @@ void xmrig::Miner::setJob(const Job &job, bool donate)
     const uint8_t index = donate ? 1 : 0;
 
     d_ptr->reset = !(d_ptr->job.index() == 1 && index == 0 && d_ptr->userJobId == job.id());
+
+    // Don't reset nonce if pool sends the same hashing blob again, but with different difficulty (for example)
+    if (d_ptr->job.isEqualBlob(job)) {
+        d_ptr->reset = false;
+    }
+
     d_ptr->job   = job;
     d_ptr->job.setIndex(index);
 

src/crypto/cn/CnHash.cpp

@@ -407,8 +407,12 @@ xmrig::cn_hash_fun xmrig::CnHash::fn(const Algorithm &algorithm, AlgoVariant av,
     }
 
 #   ifdef XMRIG_ALGO_CN_HEAVY
-    // cn-heavy optimization for Zen3 CPUs
-    if ((av == AV_SINGLE) && (assembly != Assembly::NONE) && (Cpu::info()->arch() == ICpuInfo::ARCH_ZEN3) && (Cpu::info()->model() == 0x21)) {
+    // cn-heavy optimization for Zen3/Zen4 CPUs
+    const auto arch = Cpu::info()->arch();
+    const uint32_t model = Cpu::info()->model();
+    const bool is_vermeer = (arch == ICpuInfo::ARCH_ZEN3) && (model == 0x21);
+    const bool is_raphael = (arch == ICpuInfo::ARCH_ZEN4) && (model == 0x61);
+    if ((av == AV_SINGLE) && (assembly != Assembly::NONE) && (is_vermeer || is_raphael)) {
         switch (algorithm.id()) {
         case Algorithm::CN_HEAVY_0:
             return cryptonight_single_hash<Algorithm::CN_HEAVY_0, false, 3>;

src/crypto/common/VirtualMemory_unix.cpp

@@ -112,13 +112,19 @@ bool xmrig::VirtualMemory::protectRWX(void *p, size_t size)
 
 bool xmrig::VirtualMemory::protectRX(void *p, size_t size)
 {
+    bool result = true;
+
 #   if defined(XMRIG_OS_APPLE) && defined(XMRIG_ARM)
     pthread_jit_write_protect_np(true);
-    flushInstructionCache(p, size);
-    return true;
 #   else
-    return mprotect(p, size, PROT_READ | PROT_EXEC) == 0;
+    result = (mprotect(p, size, PROT_READ | PROT_EXEC) == 0);
 #   endif
+
+#   if defined(XMRIG_ARM)
+    flushInstructionCache(p, size);
+#   endif
+
+    return result;
 }
 
 

src/crypto/randomx/jit_compiler_x86.cpp

@@ -262,6 +262,10 @@ namespace randomx {
 						// AVX2 init is faster on Zen3
 						initDatasetAVX2 = true;
 						break;
+					case xmrig::ICpuInfo::ARCH_ZEN4:
+						// AVX2 init is slower on Zen4
+						initDatasetAVX2 = false;
+						break;
 					}
 				}
 			}
@@ -424,7 +428,8 @@ namespace randomx {
 
 		memcpy(imul_rcp_storage - 34, &pcfg.eMask, sizeof(pcfg.eMask));
 		codePos = codePosFirst;
-		prevCFROUND = 0;
+		prevCFROUND = -1;
+		prevFPOperation = -1;
 
 		//mark all registers as used
 		uint64_t* r = (uint64_t*)registerUsage;
@@ -1160,7 +1165,7 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
-		prevCFROUND = 0;
+		prevFPOperation = pos;
 
 		const uint64_t dst = instr.dst % RegisterCountFlt;
 		const uint64_t src = instr.src % RegisterCountFlt;
@@ -1175,7 +1180,7 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
-		prevCFROUND = 0;
+		prevFPOperation = pos;
 
 		const uint32_t src = instr.src % RegistersCount;
 		const uint32_t dst = instr.dst % RegisterCountFlt;
@@ -1192,7 +1197,7 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
-		prevCFROUND = 0;
+		prevFPOperation = pos;
 
 		const uint64_t dst = instr.dst % RegisterCountFlt;
 		const uint64_t src = instr.src % RegisterCountFlt;
@@ -1207,7 +1212,7 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
-		prevCFROUND = 0;
+		prevFPOperation = pos;
 
 		const uint32_t src = instr.src % RegistersCount;
 		const uint32_t dst = instr.dst % RegisterCountFlt;
@@ -1235,7 +1240,7 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
-		prevCFROUND = 0;
+		prevFPOperation = pos;
 
 		const uint64_t dst = instr.dst % RegisterCountFlt;
 		const uint64_t src = instr.src % RegisterCountFlt;
@@ -1250,7 +1255,7 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
-		prevCFROUND = 0;
+		prevFPOperation = pos;
 
 		const uint32_t src = instr.src % RegistersCount;
 		const uint64_t dst = instr.dst % RegisterCountFlt;
@@ -1277,7 +1282,7 @@ namespace randomx {
 		uint8_t* const p = code;
 		uint32_t pos = codePos;
 
-		prevCFROUND = 0;
+		prevFPOperation = pos;
 
 		const uint32_t dst = instr.dst % RegisterCountFlt;
 
@@ -1288,18 +1293,18 @@ namespace randomx {
 
 	void JitCompilerX86::h_CFROUND(const Instruction& instr) {
 		uint8_t* const p = code;
-		uint32_t pos = prevCFROUND;
+		int32_t t = prevCFROUND;
 
-		if (pos) {
+		if (t > prevFPOperation) {
 			if (vm_flags & RANDOMX_FLAG_AMD) {
-				memcpy(p + pos, NOP26, 26);
+				memcpy(p + t, NOP26, 26);
 			}
 			else {
-				memcpy(p + pos, NOP14, 14);
+				memcpy(p + t, NOP14, 14);
 			}
 		}
 
-		pos = codePos;
+		uint32_t pos = codePos;
 		prevCFROUND = pos;
 
 		const uint32_t src = instr.src % RegistersCount;
@@ -1324,18 +1329,18 @@ namespace randomx {
 
 	void JitCompilerX86::h_CFROUND_BMI2(const Instruction& instr) {
 		uint8_t* const p = code;
-		uint32_t pos = prevCFROUND;
+		int32_t t = prevCFROUND;
 
-		if (pos) {
+		if (t > prevFPOperation) {
 			if (vm_flags & RANDOMX_FLAG_AMD) {
-				memcpy(p + pos, NOP25, 25);
+				memcpy(p + t, NOP25, 25);
 			}
 			else {
-				memcpy(p + pos, NOP13, 13);
+				memcpy(p + t, NOP13, 13);
 			}
 		}
 
-		pos = codePos;
+		uint32_t pos = codePos;
 		prevCFROUND = pos;
 
 		const uint64_t src = instr.src % RegistersCount;
@@ -1365,10 +1370,9 @@ namespace randomx {
 		const int reg = instr.dst % RegistersCount;
 		int32_t jmp_offset = registerUsage[reg];
 
-		// if it jumps over the previous CFROUND, it can't be safely eliminated
-		const uint32_t t = prevCFROUND;
-		if (t && (jmp_offset < t)) {
-			prevCFROUND = 0;
+		// if it jumps over the previous FP instruction that uses rounding, treat it as if FP instruction happened now
+		if (jmp_offset <= prevFPOperation) {
+			prevFPOperation = pos;
 		}
 
 		jmp_offset -= pos + 16;

src/crypto/randomx/jit_compiler_x86.hpp

@@ -89,7 +89,8 @@ namespace randomx {
 		uint32_t codePos = 0;
 		uint32_t codePosFirst = 0;
 		uint32_t vm_flags = 0;
-		uint32_t prevCFROUND = 0;
+		int32_t prevCFROUND = -1;
+		int32_t prevFPOperation = -1;
 
 #		ifdef XMRIG_FIX_RYZEN
 		std::pair<const void*, const void*> mainLoopBounds;

src/crypto/rx/RxConfig.cpp

@@ -58,12 +58,13 @@ static const std::array<const char *, RxConfig::ModeMax> modeNames = { "auto", "
 
 
 #ifdef XMRIG_FEATURE_MSR
-constexpr size_t kMsrArraySize = 5;
+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, 0x0004400000000000ULL }, { 0xC0011021, 0x0004000000000040ULL, ~0x20ULL }, { 0xC0011022, 0x8680000401570000ULL }, { 0xC001102b, 0x2040cc10ULL }},
     MsrItems{{ 0x1a4, 0xf }},
     MsrItems()
 };

src/version.h

@@ -22,7 +22,7 @@
 #define APP_ID        "xmrig"
 #define APP_NAME      "XMRig"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "6.18.1-dev"
+#define APP_VERSION   "6.18.1"
 #define APP_DOMAIN    "xmrig.com"
 #define APP_SITE      "www.xmrig.com"
 #define APP_COPYRIGHT "Copyright (C) 2016-2022 xmrig.com"