RandomX (Arqma variant) support

src/crypto/common/Algorithm.cpp

@@ -110,6 +110,8 @@ static AlgoName const algorithm_names[] = {
     { "RandomWOW",                 nullptr,            Algorithm::RX_WOW          },
     { "randomx/loki",              "rx/loki",          Algorithm::RX_LOKI         },
     { "RandomXL",                  nullptr,            Algorithm::RX_LOKI         },
+    { "randomx/arq",               "rx/arq",           Algorithm::RX_ARQ          },
+    { "RandomARQ",                 nullptr,            Algorithm::RX_ARQ          },
 #   endif
 #   ifdef XMRIG_ALGO_ARGON2
     { "argon2/chukwa",             nullptr,            Algorithm::AR2_CHUKWA      },
@@ -141,6 +143,9 @@ size_t xmrig::Algorithm::l2() const
     case RX_WOW:
         return 0x20000;
 
+    case RX_ARQ:
+        return 0x10000;
+
     default:
         break;
     }
@@ -171,6 +176,9 @@ size_t xmrig::Algorithm::l3() const
         case RX_WOW:
             return oneMiB;
 
+        case RX_ARQ:
+            return oneMiB / 4;
+
         default:
             break;
         }
@@ -261,6 +269,7 @@ xmrig::Algorithm::Family xmrig::Algorithm::family(Id id)
     case RX_0:
     case RX_WOW:
     case RX_LOKI:
+    case RX_ARQ:
         return RANDOM_X;
 #   endif
 

src/crypto/common/Algorithm.h

@@ -66,6 +66,7 @@ public:
         RX_0,          // "rx/0"             RandomX (reference configuration).
         RX_WOW,        // "rx/wow"           RandomWOW (Wownero).
         RX_LOKI,       // "rx/loki"          RandomXL (Loki).
+        RX_ARQ,        // "rx/arq"           RandomARQ (Arqma).
         AR2_CHUKWA,    // "argon2/chukwa"    Argon2id (Chukwa).
         AR2_WRKZ,      // "argon2/wrkz"      Argon2id (WRKZ)
         MAX

src/crypto/randomx/randomx.cpp

@@ -82,6 +82,16 @@ RandomX_ConfigurationLoki::RandomX_ConfigurationLoki()
 	RANDOMX_FREQ_CBRANCH = 16;
 }
 
+RandomX_ConfigurationArqma::RandomX_ConfigurationArqma()
+{
+	ArgonIterations = 1;
+	ArgonSalt = "RandomARQ\x01";
+	ProgramIterations = 1024;
+	ProgramCount = 4;
+	ScratchpadL2_Size = 131072;
+	ScratchpadL3_Size = 262144;
+}
+
 RandomX_ConfigurationBase::RandomX_ConfigurationBase()
 	: ArgonMemory(262144)
 	, ArgonIterations(3)
@@ -248,6 +258,7 @@ void RandomX_ConfigurationBase::Apply()
 RandomX_ConfigurationMonero RandomX_MoneroConfig;
 RandomX_ConfigurationWownero RandomX_WowneroConfig;
 RandomX_ConfigurationLoki RandomX_LokiConfig;
+RandomX_ConfigurationArqma RandomX_ArqmaConfig;
 
 RandomX_ConfigurationBase RandomX_CurrentConfig;
 

src/crypto/randomx/randomx.h

@@ -176,10 +176,12 @@ struct RandomX_ConfigurationBase
 struct RandomX_ConfigurationMonero : public RandomX_ConfigurationBase {};
 struct RandomX_ConfigurationWownero : public RandomX_ConfigurationBase { RandomX_ConfigurationWownero(); };
 struct RandomX_ConfigurationLoki : public RandomX_ConfigurationBase { RandomX_ConfigurationLoki(); };
+struct RandomX_ConfigurationArqma : public RandomX_ConfigurationBase { RandomX_ConfigurationArqma(); };
 
 extern RandomX_ConfigurationMonero RandomX_MoneroConfig;
 extern RandomX_ConfigurationWownero RandomX_WowneroConfig;
 extern RandomX_ConfigurationLoki RandomX_LokiConfig;
+extern RandomX_ConfigurationArqma RandomX_ArqmaConfig;
 
 extern RandomX_ConfigurationBase RandomX_CurrentConfig;
 

src/crypto/rx/RxAlgo.cpp

@@ -45,7 +45,9 @@ const RandomX_ConfigurationBase *xmrig::RxAlgo::base(Algorithm::Id algorithm)
 
     case Algorithm::RX_LOKI:
         return &RandomX_LokiConfig;
-        break;
+
+    case Algorithm::RX_ARQ:
+        return &RandomX_ArqmaConfig;
 
     default:
         break;