Added command line option --astrobwt-max-size

CHANGELOG.md

@@ -1,5 +1,7 @@
 # v5.9.0
 - [#1578](https://github.com/xmrig/xmrig/pull/1578) Added new RandomKEVA algorithm for upcoming Kevacoin fork, as `"algo": "rx/keva"` or `"coin": "keva"`.
+- [#1584](https://github.com/xmrig/xmrig/pull/1584) Fixed invalid AstroBWT hashes after algorithm switching.
+- Added command line option `--astrobwt-max-size`.
 
 # v5.8.2
 - [#1580](https://github.com/xmrig/xmrig/pull/1580) AstroBWT algorithm 20-50% speedup.

README.md

@@ -69,6 +69,7 @@ CPU backend:
       --randomx-1gb-pages       use 1GB hugepages for dataset (Linux only)
       --randomx-wrmsr=N         write custom value (0-15) to Intel MSR register 0x1a4 or disable MSR mod (-1)
       --randomx-no-rdmsr        disable reverting initial MSR values on exit
+      --astrobwt-max-size=N     skip hashes with large stage 2 size, default: 550, min: 400, max: 1200
 
 API:
       --api-worker-id=ID        custom worker-id for API

src/backend/cpu/CpuConfig.h

@@ -58,8 +58,8 @@ public:
     inline bool isYield() const                         { return m_yield; }
     inline const Assembly &assembly() const             { return m_assembly; }
     inline const String &argon2Impl() const             { return m_argon2Impl; }
-    inline int astrobwtMaxSize() const                  { return m_astrobwtMaxSize; }
     inline const Threads<CpuThreads> &threads() const   { return m_threads; }
+    inline int astrobwtMaxSize() const                  { return m_astrobwtMaxSize; }
     inline int priority() const                         { return m_priority; }
     inline uint32_t limit() const                       { return m_limit; }
 
@@ -76,10 +76,10 @@ private:
     bool m_hugePages        = true;
     bool m_shouldSave       = false;
     bool m_yield            = true;
+    int m_astrobwtMaxSize   = 550;
     int m_memoryPool        = 0;
     int m_priority          = -1;
     String m_argon2Impl;
-    int m_astrobwtMaxSize = 550;
     Threads<CpuThreads> m_threads;
     uint32_t m_limit        = 100;
 };

src/base/kernel/interfaces/IConfig.h

@@ -97,6 +97,7 @@ public:
         CPUMaxThreadsKey     = 1026,
         MemoryPoolKey        = 1027,
         YieldKey             = 1030,
+        AstroBWTMaxSizeKey   = 1034,
 
         // xmrig amd
         OclPlatformKey       = 1400,

src/core/config/ConfigTransform.cpp

@@ -156,6 +156,11 @@ void xmrig::ConfigTransform::transform(rapidjson::Document &doc, int key, const
         return set(doc, kCpu, "asm", arg);
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    case IConfig::AstroBWTMaxSizeKey: /* --astrobwt-max-size */
+        return set(doc, kCpu, "astrobwt-max-size", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
     case IConfig::RandomXInitKey: /* --randomx-init */
         return set(doc, kRandomX, "init", static_cast<int64_t>(strtol(arg, nullptr, 10)));

src/core/config/Config_platform.h

@@ -107,6 +107,9 @@ static const option options[] = {
     { "randomx-no-rdmsr",      0, nullptr, IConfig::RandomXRdmsrKey       },
     { "no-rdmsr",              0, nullptr, IConfig::RandomXRdmsrKey       },
 #   endif
+    #ifdef XMRIG_ALGO_ASTROBWT
+    { "astrobwt-max-size",     1, nullptr, IConfig::AstroBWTMaxSizeKey    },
+    #endif
 #   ifdef XMRIG_FEATURE_OPENCL
     { "opencl",                0, nullptr, IConfig::OclKey                },
     { "opencl-devices",        1, nullptr, IConfig::OclDevicesKey         },

src/core/config/usage.h

@@ -94,6 +94,10 @@ static inline const std::string &usage()
     u += "      --randomx-no-rdmsr        disable reverting initial MSR values on exit\n";
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    u += "      --astrobwt-max-size=N     skip hashes with large stage 2 size, default: 550, min: 400, max: 1200\n";
+#   endif
+
 #   ifdef XMRIG_FEATURE_HTTP
     u += "\nAPI:\n";
     u += "      --api-worker-id=ID        custom worker-id for API\n";