refine

include/verilated_random.h

@@ -584,7 +584,7 @@ public:
 // to support scope-level randomization.
 class VlStdRandomizer final {
     // MEMBERS
-    VlRNG __Vm_rng;
+    VlRNG m_rng;  // Random number generator
 
     // PRIVATE METHODS
 
@@ -595,7 +595,7 @@ public:
 
     template <typename T>
     bool basicStdRandomization(T& value, size_t width) {
-        value = VL_MASK_I(width) & VL_RANDOM_RNG_I(__Vm_rng);
+        value = VL_MASK_I(width) & VL_RANDOM_RNG_I(m_rng);
         return true;
     }
 };

src/V3Randomize.cpp

@@ -1309,7 +1309,7 @@ class RandomizeVisitor final : public VNVisitor {
     V3UniqueNames m_inlineUniqueStdName{"__VStdrand"};
     VMemberMap m_memberMap;  // Member names cached for fast lookup
     AstNodeModule* m_modp = nullptr;  // Current module
-    std::map<AstNodeModule*, AstVar*> m_stdMap;  // Map from module/class to AST Var
+    std::unordered_map<AstNodeModule*, AstVar*> m_stdMap;  // Map from module/class to AST Var
     const AstNodeFTask* m_ftaskp = nullptr;  // Current function/task
     AstNodeStmt* m_stmtp = nullptr;  // Current statement
     AstDynArrayDType* m_dynarrayDtp = nullptr;  // Dynamic array type (for rand mode)