Special handle for cn/2 based algorithms.

src/backend/common/Threads.cpp

@@ -25,6 +25,7 @@
 
 #include "backend/common/Threads.h"
 #include "backend/cpu/CpuThreads.h"
+#include "crypto/cn/CnAlgo.h"
 #include "rapidjson/document.h"
 
 
@@ -37,6 +38,7 @@ namespace xmrig {
 
 
 static const char *kAsterisk = "*";
+static const char *kCn2      = "cn/2";
 
 
 } // namespace xmrig
@@ -118,6 +120,10 @@ xmrig::String xmrig::Threads<T>::profileName(const Algorithm &algorithm, bool st
         return String();
     }
 
+    if (algorithm.family() == Algorithm::CN && CnAlgo<>::base(algorithm) == Algorithm::CN_2 && has(kCn2)) {
+        return kCn2;
+    }
+
     if (name.contains("/")) {
         const String base = name.split('/').at(0);
         if (has(base)) {