Added option "mode" (or --randomx-mode) for RandomX.

src/core/config/ConfigTransform.cpp

@@ -160,6 +160,9 @@ void xmrig::ConfigTransform::transform(rapidjson::Document &doc, int key, const
 
     case IConfig::RandomXNumaKey: /* --randomx-no-numa */
         return set(doc, kRandomX, "numa", false);
+
+    case IConfig::RandomXModeKey: /* --randomx-mode */
+        return set(doc, kRandomX, "mode", arg);
 #   endif
 
 #   ifdef XMRIG_FEATURE_OPENCL

src/core/config/Config_platform.h

@@ -96,6 +96,7 @@ static const option options[] = {
 #   ifdef XMRIG_ALGO_RANDOMX
     { "randomx-init",          1, nullptr, IConfig::RandomXInitKey        },
     { "randomx-no-numa",       0, nullptr, IConfig::RandomXNumaKey        },
+    { "randomx-mode",          1, nullptr, IConfig::RandomXModeKey        },
 #   endif
 #   ifdef XMRIG_FEATURE_OPENCL
     { "opencl",                0, nullptr, IConfig::OclKey                },

src/core/config/usage.h

@@ -86,6 +86,7 @@ static inline const std::string &usage()
 #   ifdef XMRIG_ALGO_RANDOMX
     u += "      --randomx-init=N          threads count to initialize RandomX dataset\n";
     u += "      --randomx-no-numa         disable NUMA support for RandomX\n";
+    u += "      --randomx-mode=MODE       RandomX mode: auto, fast, light\n";
 #   endif
 
 #   ifdef XMRIG_FEATURE_HTTP