diff --git a/mindspore/ccsrc/debug/debugger/proto_exporter.cc b/mindspore/ccsrc/debug/debugger/proto_exporter.cc
index 2b077fc730b..ba82ef9e7fc 100644
--- a/mindspore/ccsrc/debug/debugger/proto_exporter.cc
+++ b/mindspore/ccsrc/debug/debugger/proto_exporter.cc
@@ -1,5 +1,5 @@
 /**
- * Copyright 2020 Huawei Technologies Co., Ltd
+ * Copyright 2020-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,7 +34,7 @@
 
 namespace mindspore {
 
-using TypeInfoToProtoTypeMap = std::vector<std::pair<const char *, debugger::DataType>>;
+using TypeInfoToProtoTypeMap = std::vector<std::pair<uint32_t, debugger::DataType>>;
 
 void SetOutputType(const TypePtr &node, const BaseShapePtr &shape, debugger::TypeProto *type_proto);
 
@@ -76,12 +76,12 @@ void SetListTypeProto(const TypePtr &type, debugger::TypeProto *type_proto) {
 }
 
 static TypeInfoToProtoTypeMap type_info_to_proto_type = {
-  {typeid(TensorType).name(), debugger::DT_TENSOR},     {typeid(Tuple).name(), debugger::DT_TUPLE},
-  {typeid(TypeType).name(), debugger::DT_TYPE},         {typeid(List).name(), debugger::DT_LIST},
-  {typeid(TypeAnything).name(), debugger::DT_ANYTHING}, {typeid(RefKeyType).name(), debugger::DT_REFKEY},
-  {typeid(RefType).name(), debugger::DT_REF},           {typeid(Function).name(), debugger::DT_GRAPH},
-  {typeid(TypeNone).name(), debugger::DT_NONE},         {typeid(String).name(), debugger::DT_STRING},
-  {typeid(UMonadType).name(), debugger::DT_UMONAD},     {typeid(IOMonadType).name(), debugger::DT_IOMONAD}};
+  {TensorType::kTypeId, debugger::DT_TENSOR},     {Tuple::kTypeId, debugger::DT_TUPLE},
+  {TypeType::kTypeId, debugger::DT_TYPE},         {List::kTypeId, debugger::DT_LIST},
+  {TypeAnything::kTypeId, debugger::DT_ANYTHING}, {RefKeyType::kTypeId, debugger::DT_REFKEY},
+  {RefType::kTypeId, debugger::DT_REF},           {Function::kTypeId, debugger::DT_GRAPH},
+  {TypeNone::kTypeId, debugger::DT_NONE},         {String::kTypeId, debugger::DT_STRING},
+  {UMonadType::kTypeId, debugger::DT_UMONAD},     {IOMonadType::kTypeId, debugger::DT_IOMONAD}};
 
 void SetOutputType(const TypePtr &type, const BaseShapePtr &shape, debugger::TypeProto *type_proto) {
   if (type_proto == nullptr) {
@@ -93,7 +93,7 @@ void SetOutputType(const TypePtr &type, const BaseShapePtr &shape, debugger::Typ
   }
   CheckIfValidType(type, type_proto);
   for (auto &it : type_info_to_proto_type) {
-    if (type->IsFromTypeId(Base::GetTypeId(it.first))) {
+    if (type->IsFromTypeId(it.first)) {
       type_proto->set_data_type(it.second);
       break;
     }
diff --git a/mindspore/ccsrc/frontend/optimizer/pattern.h b/mindspore/ccsrc/frontend/optimizer/pattern.h
index 3eb474ebb1e..af539bd6ef4 100644
--- a/mindspore/ccsrc/frontend/optimizer/pattern.h
+++ b/mindspore/ccsrc/frontend/optimizer/pattern.h
@@ -1,5 +1,5 @@
 /**
- * Copyright 2020 Huawei Technologies Co., Ltd
+ * Copyright 2020-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -54,6 +54,7 @@ class Pattern : public Base {
  public:
   Pattern() : unique_name_(std::to_string(g_id_++)) {}
   ~Pattern() = default;
+  MS_DECLARE_PARENT(Pattern, Base);
   virtual MatchResultPtr match(const AnfNodePtr &node) { return nullptr; }
   virtual bool operator==(const Pattern &other) const { return unique_name_ == other.unique_name_; }
   string unique_name() const { return unique_name_; }
@@ -83,7 +84,7 @@ struct PatternHasher {
   }
 };
 
-class Prim : public Pattern {
+class Prim final : public Pattern {
  public:
   Prim() { unique_name_ = std::to_string(g_id_++); }
   ~Prim() = default;
@@ -118,7 +119,7 @@ class Prim : public Pattern {
   PrimitivePyPtr matched_prim_{nullptr};
 };
 
-class Call : public Pattern {
+class Call final : public Pattern {
  public:
   Call() { unique_name_ = std::to_string(g_id_++); }
   ~Call() = default;
@@ -153,7 +154,7 @@ class Call : public Pattern {
   string name_;
 };
 
-class OneOf : public Pattern {
+class OneOf final : public Pattern {
  public:
   OneOf() { unique_name_ = std::to_string(g_id_++); }
   ~OneOf() = default;
@@ -170,7 +171,7 @@ class OneOf : public Pattern {
   vector<PatternPtr> patterns_;
 };
 
-class NoneOf : public Pattern {
+class NoneOf final : public Pattern {
  public:
   NoneOf() { unique_name_ = std::to_string(g_id_++); }
   ~NoneOf() = default;
@@ -187,7 +188,7 @@ class NoneOf : public Pattern {
   vector<PatternPtr> patterns_;
 };
 
-class Any : public Pattern {
+class Any final : public Pattern {
  public:
   Any() { unique_name_ = std::to_string(g_id_++) + "_Any"; }
   ~Any() = default;
@@ -195,7 +196,7 @@ class Any : public Pattern {
   MatchResultPtr match(const AnfNodePtr &node) override;
 };
 
-class NewTensor : public Pattern {
+class NewTensor final : public Pattern {
  public:
   NewTensor() { unique_name_ = std::to_string(g_id_++); }
   ~NewTensor() = default;
@@ -212,7 +213,7 @@ class NewTensor : public Pattern {
   tensor::TensorPtr input_tensor_;
 };
 
-class NewParameter : public Pattern {
+class NewParameter final : public Pattern {
  public:
   NewParameter() { unique_name_ = std::to_string(g_id_++); }
   explicit NewParameter(string para_name, tensor::TensorPtr default_tensor, bool requires_grad, bool layerwise_parallel)
@@ -245,7 +246,7 @@ class NewParameter : public Pattern {
   tensor::TensorPtr default_tensor_;
 };
 
-class Imm : public Pattern {
+class Imm final : public Pattern {
  public:
   Imm() { unique_name_ = std::to_string(g_id_++); }
   explicit Imm(int value) : value_(value) { unique_name_ = std::to_string(g_id_++) + "Imm_" + std::to_string(value); }
diff --git a/mindspore/ccsrc/pipeline/jit/parse/resolve.h b/mindspore/ccsrc/pipeline/jit/parse/resolve.h
index 3ebc6e29683..9b6b6dc2e29 100644
--- a/mindspore/ccsrc/pipeline/jit/parse/resolve.h
+++ b/mindspore/ccsrc/pipeline/jit/parse/resolve.h
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ * Copyright 2019-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,7 +37,7 @@ using ResourceBasePtr = std::shared_ptr<ResourceBase>;
 namespace mindspore {
 namespace parse {
 // NameSpace class for resolving python code.
-class NameSpace : public Named {
+class NameSpace final : public Named {
  public:
   NameSpace(const std::string &module, const py::object &obj, const py::object &module_obj = py::object())
       : Named(module), module_(module), obj_(obj), module_obj_(module_obj) {}
@@ -62,7 +62,7 @@ class NameSpace : public Named {
 using NameSpacePtr = std::shared_ptr<NameSpace>;
 
 // Symbol in NameSpace or Class which shall be resolved.
-class Symbol : public Named {
+class Symbol final : public Named {
  public:
   explicit Symbol(const std::string &symbol) : Named(symbol), symbol_(symbol) {}
   Symbol(const std::string &symbol, const std::string &name) : Named(name), symbol_(symbol) {}
@@ -80,7 +80,7 @@ class Symbol : public Named {
 };
 using SymbolPtr = std::shared_ptr<Symbol>;
 
-class Script : public Named {
+class Script final : public Named {
  public:
   explicit Script(const std::string &script) : Named(script), script_(script) {}
   Script(const std::string &script, const std::string &name) : Named(name), script_(script) {}
@@ -113,7 +113,7 @@ class PyObjectWrapper : public Named {
 };
 
 // InterpretedObject class wrappers interpreted python object.
-class InterpretedObject : public PyObjectWrapper {
+class InterpretedObject final : public PyObjectWrapper {
  public:
   explicit InterpretedObject(const py::object &obj, const std::string &name = "null")
       : PyObjectWrapper(obj, "InterpretedObject: '" + name + "'") {}
@@ -127,7 +127,7 @@ class InterpretedObject : public PyObjectWrapper {
 using InterpretedObjectPtr = std::shared_ptr<InterpretedObject>;
 
 // ClassObject class wrappers dataclass
-class ClassObject : public PyObjectWrapper {
+class ClassObject final : public PyObjectWrapper {
  public:
   explicit ClassObject(const py::object &obj, const std::string &name = "Python dataclass")
       : PyObjectWrapper(obj, name) {}
@@ -137,7 +137,7 @@ class ClassObject : public PyObjectWrapper {
 };
 
 // ClassType class wrappers class name in python
-class ClassType : public PyObjectWrapper {
+class ClassType final : public PyObjectWrapper {
  public:
   explicit ClassType(const py::object &obj, const std::string &name = "Python class type")
       : PyObjectWrapper(obj, name) {}
diff --git a/mindspore/ccsrc/pipeline/jit/static_analysis/prim.h b/mindspore/ccsrc/pipeline/jit/static_analysis/prim.h
index cde3a2c5624..1d9738a4a4b 100644
--- a/mindspore/ccsrc/pipeline/jit/static_analysis/prim.h
+++ b/mindspore/ccsrc/pipeline/jit/static_analysis/prim.h
@@ -1,7 +1,7 @@
 /**
  * This is the C++ adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
  *
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 2019-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,7 +30,7 @@
 
 namespace mindspore {
 namespace abstract {
-class StandardPrimEvaluator : public TrivialPrimEvaluator {
+class StandardPrimEvaluator final : public TrivialPrimEvaluator {
  public:
   StandardPrimEvaluator(const PrimitivePtr &primitive, const StandardPrimitiveImplReg &eval_impl)
       : TrivialPrimEvaluator("StandardPrimEvaluator"), prim_(primitive), eval_impl_(eval_impl) {}
@@ -51,7 +51,7 @@ class StandardPrimEvaluator : public TrivialPrimEvaluator {
 
 using StandardPrimEvaluatorPtr = std::shared_ptr<StandardPrimEvaluator>;
 
-class PythonPrimEvaluator : public TrivialPrimEvaluator {
+class PythonPrimEvaluator final : public TrivialPrimEvaluator {
  public:
   explicit PythonPrimEvaluator(const PrimitivePyPtr primitive)
       : TrivialPrimEvaluator("PythonPrimEvaluator"), prim_py_(primitive) {}
@@ -66,10 +66,11 @@ class PythonPrimEvaluator : public TrivialPrimEvaluator {
   PrimitivePyPtr prim_py_;
 };
 
-class DoSignatureEvaluator : public Evaluator {
+class DoSignatureEvaluator final : public Evaluator {
  public:
   explicit DoSignatureEvaluator(const PrimitivePtr primitive) : Evaluator("DoSignatureEvaluator"), prim_(primitive) {}
   ~DoSignatureEvaluator() override = default;
+  MS_DECLARE_PARENT(DoSignatureEvaluator, Evaluator);
   EvalResultPtr Run(AnalysisEnginePtr engine, const ConfigPtrList &argrefs,
                     const AnfNodeConfigPtr &out_config = nullptr) override;
 
@@ -81,10 +82,11 @@ class DoSignatureEvaluator : public Evaluator {
   PrimitivePtr prim_;
 };
 
-class UnpackGraphEvaluator : public Evaluator {
+class UnpackGraphEvaluator final : public Evaluator {
  public:
   explicit UnpackGraphEvaluator(const PrimitivePtr primitive) : Evaluator("UnpackGraphEvaluator"), prim_(primitive) {}
   ~UnpackGraphEvaluator() override = default;
+  MS_DECLARE_PARENT(UnpackGraphEvaluator, Evaluator);
   EvalResultPtr Run(AnalysisEnginePtr engine, const ConfigPtrList &argrefs,
                     const AnfNodeConfigPtr &out_config = nullptr) override;
 
@@ -96,11 +98,12 @@ class UnpackGraphEvaluator : public Evaluator {
   PrimitivePtr prim_;
 };
 
-class MixedPrecisionCastEvaluator : public Evaluator {
+class MixedPrecisionCastEvaluator final : public Evaluator {
  public:
   explicit MixedPrecisionCastEvaluator(const PrimitivePtr primitive)
       : Evaluator("MixedPrecisionCastEvaluator"), prim_(primitive) {}
   ~MixedPrecisionCastEvaluator() override = default;
+  MS_DECLARE_PARENT(MixedPrecisionCastEvaluator, Evaluator);
   EvalResultPtr Run(AnalysisEnginePtr engine, const ConfigPtrList &argrefs,
                     const AnfNodeConfigPtr &out_config = nullptr) override;
 
@@ -117,7 +120,7 @@ bool IsInWhiteList(const PrimitivePtr &primitive);
 using ValuePtrList = std::vector<ValuePtr>;
 using PrimitiveImpl = ValuePtr (*)(const ValuePtrList &);
 
-class UniformPrimEvaluator : public TrivialPrimEvaluator {
+class UniformPrimEvaluator final : public TrivialPrimEvaluator {
  public:
   UniformPrimEvaluator(const FunctionPtr func_desc, PrimitiveImpl impl, bool eval_value, const TypePtr specify_out_type)
       : TrivialPrimEvaluator("UniformPrimEvaluator"),
diff --git a/mindspore/ccsrc/pipeline/jit/static_analysis/stack_frame.h b/mindspore/ccsrc/pipeline/jit/static_analysis/stack_frame.h
index 2348ba132fa..d47ab7baa15 100644
--- a/mindspore/ccsrc/pipeline/jit/static_analysis/stack_frame.h
+++ b/mindspore/ccsrc/pipeline/jit/static_analysis/stack_frame.h
@@ -31,7 +31,7 @@ using StackFramePtr = std::shared_ptr<StackFrame>;
 using EvaluatorWeakPtr = std::weak_ptr<Evaluator>;
 using BaseFuncGraphEvaluatorPtr = std::shared_ptr<BaseFuncGraphEvaluator>;
 
-class StackFrame : public Base {
+class StackFrame final : public Base {
  public:
   StackFrame(const EvaluatorPtr &evaluator, const FuncGraphPtr &func_graph, const AnalysisContextPtr &current_context,
              const AnalysisContextPtr &parent_context)
@@ -45,6 +45,8 @@ class StackFrame : public Base {
   }
   virtual ~StackFrame() = default;
 
+  MS_DECLARE_PARENT(StackFrame, Base);
+
   void Load() {
     node_slots_ = TopoSort(func_graph_->get_return(), SuccIncoming, [this](const AnfNodePtr &node) -> IncludeType {
       if (node->isa<ValueNode>() || node->isa<Parameter>()) {
diff --git a/mindspore/ccsrc/utils/convert_utils_py.cc b/mindspore/ccsrc/utils/convert_utils_py.cc
index 5debac7099e..d767561a7ab 100644
--- a/mindspore/ccsrc/utils/convert_utils_py.cc
+++ b/mindspore/ccsrc/utils/convert_utils_py.cc
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ * Copyright 2019-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -108,49 +108,48 @@ py::object ScalarPtrToPyData(const ScalarPtr &value) {
 }
 
 using ConverterFunction = std::function<py::object(const ValuePtr &value)>;
-using ValueNameToConverterVector = std::vector<std::pair<const char *, ConverterFunction>>;
+using ValueNameToConverterVector = std::vector<std::pair<uint32_t, ConverterFunction>>;
 
 // (Value Type Name) -> (Converter Function)
 // The converter function is used to convert Value object to Python data object.
 static ValueNameToConverterVector value_name_to_converter = {
   // Scalar
-  {typeid(Scalar).name(),
-   [](const ValuePtr &value) -> py::object { return ScalarPtrToPyData(value->cast<ScalarPtr>()); }},
+  {Scalar::kTypeId, [](const ValuePtr &value) -> py::object { return ScalarPtrToPyData(value->cast<ScalarPtr>()); }},
   // Tensor
-  {typeid(tensor::Tensor).name(),
+  {tensor::Tensor::kTypeId,
    [](const ValuePtr &value) -> py::object {
      auto tensor_ptr = value->cast<tensor::TensorPtr>();
      return TensorToPyData(tensor_ptr);
    }},
   // MetaTenser
-  {typeid(tensor::MetaTensor).name(),
+  {tensor::MetaTensor::kTypeId,
    [](const ValuePtr &value) -> py::object {
      py::tuple tuple_container(1);
      tuple_container[0] = value->cast<tensor::MetaTensorPtr>();
      return tuple_container[0];
    }},
   // RefKey
-  {typeid(RefKey).name(),
+  {RefKey::kTypeId,
    [](const ValuePtr &value) -> py::object {
      py::tuple tuple_container(1);
      tuple_container[0] = value->cast<RefKeyPtr>();
      return tuple_container[0];
    }},
   // Type
-  {typeid(Type).name(),
+  {Type::kTypeId,
    [](const ValuePtr &value) -> py::object {
      py::tuple tuple_container(1);
      tuple_container[0] = value->cast<TypePtr>();
      return tuple_container[0];
    }},
   // StringImm
-  {typeid(StringImm).name(),
+  {StringImm::kTypeId,
    [](const ValuePtr &value) -> py::object {
      py::str res = value->cast<StringImmPtr>()->value();
      return res;
    }},
   // ValueSequeue
-  {typeid(ValueSequeue).name(),
+  {ValueSequeue::kTypeId,
    [](const ValuePtr &value) -> py::object {
      auto value_sequeue = value->cast<ValueSequeuePtr>()->value();
      py::tuple res_sequeue(value_sequeue.size());
@@ -163,7 +162,7 @@ static ValueNameToConverterVector value_name_to_converter = {
      return res_sequeue.cast<py::list>();
    }},
   // ValueDictionary
-  {typeid(ValueDictionary).name(),
+  {ValueDictionary::kTypeId,
    [](const ValuePtr &value) -> py::object {
      auto value_list = value->cast<ValueDictionaryPtr>()->value();
      py::dict res_dict;
@@ -173,7 +172,7 @@ static ValueNameToConverterVector value_name_to_converter = {
      return res_dict;
    }},
   // ValueSlice
-  {typeid(ValueSlice).name(),
+  {ValueSlice::kTypeId,
    [](const ValuePtr &value) -> py::object {
      auto slice = value->cast<ValueSlicePtr>();
      auto start = ValueToPyData(slice->start());
@@ -183,7 +182,7 @@ static ValueNameToConverterVector value_name_to_converter = {
                                             step);
    }},
   // KeywordArg
-  {typeid(KeywordArg).name(),
+  {KeywordArg::kTypeId,
    [](const ValuePtr &value) -> py::object {
      auto abs_keyword_arg = value->ToAbstract()->cast<abstract::AbstractKeywordArgPtr>();
      auto key = abs_keyword_arg->get_key();
@@ -194,40 +193,40 @@ static ValueNameToConverterVector value_name_to_converter = {
      return kwargs;
    }},
   // parse::NameSpace
-  {typeid(parse::NameSpace).name(),
+  {parse::NameSpace::kTypeId,
    [](const ValuePtr &value) -> py::object {
      auto ns = value->cast<parse::NameSpacePtr>();
      return ns->module_obj();
    }},
   // parse::ClassType
-  {typeid(parse::ClassType).name(),
+  {parse::ClassType::kTypeId,
    [](const ValuePtr &value) -> py::object {
      auto class_type = value->cast<parse::ClassTypePtr>();
      return class_type->obj();
    }},
   // parse::InterpretedObject
-  {typeid(parse::InterpretedObject).name(),
+  {parse::InterpretedObject::kTypeId,
    [](const ValuePtr &value) -> py::object {
      auto interpreted_object = value->cast<parse::InterpretedObjectPtr>();
      return interpreted_object->obj();
    }},
   // None
-  {typeid(None).name(), [](const ValuePtr &value) -> py::object { return py::none(); }},
+  {None::kTypeId, [](const ValuePtr &value) -> py::object { return py::none(); }},
   // AnyValue
-  {typeid(AnyValue).name(), [](const ValuePtr &value) -> py::object { return py::none(); }},
+  {AnyValue::kTypeId, [](const ValuePtr &value) -> py::object { return py::none(); }},
   // FuncGraph
-  {typeid(FuncGraph).name(), [](const ValuePtr &value) -> py::object { return py::none(); }},
+  {FuncGraph::kTypeId, [](const ValuePtr &value) -> py::object { return py::none(); }},
   // Monad
-  {typeid(Monad).name(), [](const ValuePtr &value) -> py::object { return py::none(); }},
+  {Monad::kTypeId, [](const ValuePtr &value) -> py::object { return py::none(); }},
   // Ellipsis
-  {typeid(Ellipsis).name(), [](const ValuePtr &value) -> py::object { return py::ellipsis(); }}};
+  {Ellipsis::kTypeId, [](const ValuePtr &value) -> py::object { return py::ellipsis(); }}};
 
 py::object ValueToPyData(const ValuePtr &value) {
   if (value == nullptr) {
     MS_LOG(EXCEPTION) << "The `value` should not be null";
   }
   for (auto &iter : value_name_to_converter) {
-    if (value->IsFromTypeId(Base::GetTypeId(iter.first))) {
+    if (value->IsFromTypeId(iter.first)) {
       return iter.second(value);
     }
   }
diff --git a/mindspore/ccsrc/vm/vmimpl.cc b/mindspore/ccsrc/vm/vmimpl.cc
index cad846324cb..4f3ddb9d1ec 100644
--- a/mindspore/ccsrc/vm/vmimpl.cc
+++ b/mindspore/ccsrc/vm/vmimpl.cc
@@ -33,15 +33,17 @@ namespace mindspore {
 namespace compile {
 
 // Indicate a call to a new frame.
-struct CallWrap : public Base {
+struct CallWrap final : public Base {
   explicit CallWrap(const VMFramePtr &vm_frame) : frame(vm_frame) {}
+  MS_DECLARE_PARENT(CallWrap, Base);
   VMFramePtr frame{nullptr};
 };
 using CallWrapPtr = std::shared_ptr<CallWrap>;
 
 // Indicates a return with its value.
-struct ReturnWrap : public Base {
+struct ReturnWrap final : public Base {
   explicit ReturnWrap(const BaseRef &r_value) : value(r_value) {}
+  MS_DECLARE_PARENT(ReturnWrap, Base);
   BaseRef value{BaseRef()};
 };
 using ReturnWrapPtr = std::shared_ptr<ReturnWrap>;
diff --git a/mindspore/core/abstract/abstract_function.h b/mindspore/core/abstract/abstract_function.h
index 5883b14589b..0754d4bc8ee 100644
--- a/mindspore/core/abstract/abstract_function.h
+++ b/mindspore/core/abstract/abstract_function.h
@@ -50,7 +50,7 @@ class MS_CORE_API AbstractFuncAtom : public AbstractFunction {
 };
 
 /// \brief AbstractFuncUnion defines interface for abstract of union function.
-class MS_CORE_API AbstractFuncUnion : public AbstractFunction {
+class MS_CORE_API AbstractFuncUnion final : public AbstractFunction {
  public:
   /// \brief Constructor AbstractFuncUnion from AbstractFuncAtom list.
   ///
@@ -101,7 +101,7 @@ class MS_CORE_API AbstractFuncUnion : public AbstractFunction {
 };
 
 /// \brief PrimitiveAbstractClosure defines interface for abstract of Primitive.
-class MS_CORE_API PrimitiveAbstractClosure : public AbstractFuncAtom {
+class MS_CORE_API PrimitiveAbstractClosure final : public AbstractFuncAtom {
  public:
   /// \brief Constructor of PrimitiveAbstractClosure
   ///
@@ -142,7 +142,7 @@ class MS_CORE_API PrimitiveAbstractClosure : public AbstractFuncAtom {
 using PrimitiveAbstractClosurePtr = std::shared_ptr<PrimitiveAbstractClosure>;
 
 /// \brief FuncGraphAbstractClosure defines interface for abstract of FuncGraph.
-class MS_CORE_API FuncGraphAbstractClosure : public AbstractFuncAtom {
+class MS_CORE_API FuncGraphAbstractClosure final : public AbstractFuncAtom {
  public:
   /// \brief Constructor of FuncGraphAbstractClosure.
   ///
@@ -196,7 +196,7 @@ class MS_CORE_API FuncGraphAbstractClosure : public AbstractFuncAtom {
 using FuncGraphAbstractClosurePtr = std::shared_ptr<FuncGraphAbstractClosure>;
 
 /// \brief MetaFuncGraphAbstractClosure defines interface for abstract of MetaFuncGraph.
-class MS_CORE_API MetaFuncGraphAbstractClosure : public AbstractFuncAtom {
+class MS_CORE_API MetaFuncGraphAbstractClosure final : public AbstractFuncAtom {
  public:
   /// \brief Constructor of FuncGraphAbstractClosure.
   ///
@@ -245,7 +245,7 @@ class MS_CORE_API MetaFuncGraphAbstractClosure : public AbstractFuncAtom {
 using MetaFuncGraphAbstractClosurePtr = std::shared_ptr<MetaFuncGraphAbstractClosure>;
 
 /// \brief PartialAbstractClosure defines the abstract AbstractFuncAtom interface provided by some args in advance.
-class MS_CORE_API PartialAbstractClosure : public AbstractFuncAtom {
+class MS_CORE_API PartialAbstractClosure final : public AbstractFuncAtom {
  public:
   /// \brief Constructor of PartialAbstractClosure.
   ///
@@ -302,7 +302,7 @@ using PartialAbstractClosurePtr = std::shared_ptr<PartialAbstractClosure>;
 
 /// \brief JTransformedAbstractClosure defines interface for abstract of Function
 /// transformed through the application of J.
-class MS_CORE_API JTransformedAbstractClosure : public AbstractFuncAtom {
+class MS_CORE_API JTransformedAbstractClosure final : public AbstractFuncAtom {
  public:
   /// \brief Constructor of JTransformedAbstractClosure
   ///
@@ -332,7 +332,7 @@ class MS_CORE_API JTransformedAbstractClosure : public AbstractFuncAtom {
 
 /// \brief VirtualAbstractClosure defines interface for function with an explicitly
 /// fixed type signature.
-class MS_CORE_API VirtualAbstractClosure : public AbstractFuncAtom {
+class MS_CORE_API VirtualAbstractClosure final : public AbstractFuncAtom {
  public:
   /// \brief Constructor of VirtualAbstractClosure.
   ///
@@ -380,7 +380,7 @@ using VirtualAbstractClosurePtr = std::shared_ptr<VirtualAbstractClosure>;
 
 /// \brief TypedPrimitiveAbstractClosure defines interface for Primitive with an explicitly
 /// fixed type signature.
-class MS_CORE_API TypedPrimitiveAbstractClosure : public AbstractFuncAtom {
+class MS_CORE_API TypedPrimitiveAbstractClosure final : public AbstractFuncAtom {
  public:
   /// \brief Constructor of TypedPrimitiveAbstractClosure.
   ///
diff --git a/mindspore/core/abstract/abstract_value.h b/mindspore/core/abstract/abstract_value.h
index ca96ac6e2ea..6b9ed78c05b 100644
--- a/mindspore/core/abstract/abstract_value.h
+++ b/mindspore/core/abstract/abstract_value.h
@@ -195,7 +195,7 @@ class MS_CORE_API AbstractBase : public Base {
 };
 
 /// \brief Class AbstractScalar describes a scalar's type and value.
-class MS_CORE_API AbstractScalar : public AbstractBase {
+class MS_CORE_API AbstractScalar final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractScalar.
   AbstractScalar() : AbstractBase(kAnyValue, kAnyType) {}
@@ -265,7 +265,7 @@ class MS_CORE_API AbstractScalar : public AbstractBase {
 using AbstractScalarPtr = std::shared_ptr<AbstractScalar>;
 
 /// \brief Class AbstractType describes the abstract value from a Typeof node.
-class MS_CORE_API AbstractType : public AbstractBase {
+class MS_CORE_API AbstractType final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractType.
   ///
@@ -293,7 +293,7 @@ class MS_CORE_API AbstractType : public AbstractBase {
 using AbstractTypePtr = std::shared_ptr<AbstractType>;
 
 /// \brief Class AbstractError describes the abstract value from an error.
-class MS_CORE_API AbstractError : public AbstractBase {
+class MS_CORE_API AbstractError final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractError.
   ///
@@ -325,7 +325,7 @@ class MS_CORE_API AbstractError : public AbstractBase {
 };
 
 /// \brief Class AbstractScript describes the script node's type, shape and value.
-class MS_CORE_API AbstractScript : public AbstractBase {
+class MS_CORE_API AbstractScript final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractScript.
   AbstractScript() : AbstractBase(kAnyValue, kAnyType) {}
@@ -453,7 +453,7 @@ using AbstractFunctionPtrList = std::vector<AbstractFunctionPtr>;
 /// \brief Class AbstractKeywordArg describes an abstract value from a key-value node.
 ///
 /// Represents a key-value pair used in function's parameters.
-class MS_CORE_API AbstractKeywordArg : public AbstractBase {
+class MS_CORE_API AbstractKeywordArg final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractKeywordArg.
   ///
@@ -770,7 +770,7 @@ class MS_CORE_API AbstractSequeue : public AbstractBase {
 using AbstractSequeuePtr = std::shared_ptr<AbstractSequeue>;
 
 /// \brief Class AbstractTuple describes a tuple.
-class MS_CORE_API AbstractTuple : public AbstractSequeue {
+class MS_CORE_API AbstractTuple final : public AbstractSequeue {
  public:
   /// \brief Constructor of AbstractTuple.
   ///
@@ -810,7 +810,7 @@ class MS_CORE_API AbstractTuple : public AbstractSequeue {
 using AbstractTuplePtr = std::shared_ptr<AbstractTuple>;
 
 /// \brief Class AbstractList describes a list.
-class MS_CORE_API AbstractList : public AbstractSequeue {
+class MS_CORE_API AbstractList final : public AbstractSequeue {
  public:
   /// \brief Constructor of AbstractList.
   ///
@@ -850,7 +850,7 @@ class MS_CORE_API AbstractList : public AbstractSequeue {
 using AbstractListPtr = std::shared_ptr<AbstractList>;
 
 /// \brief Class AbstractClass describes a class node's abstract value.
-class MS_CORE_API AbstractClass : public AbstractBase {
+class MS_CORE_API AbstractClass final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractClass.
   ///
@@ -922,7 +922,7 @@ class MS_CORE_API AbstractClass : public AbstractBase {
 using AbstractClassPtr = std::shared_ptr<AbstractClass>;
 
 /// \brief Class AbstractDictionary describes a dictionary node's abstract value.
-class MS_CORE_API AbstractDictionary : public AbstractBase {
+class MS_CORE_API AbstractDictionary final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractDictionary.
   ///
@@ -970,7 +970,7 @@ class MS_CORE_API AbstractDictionary : public AbstractBase {
 using AbstractDictionaryPtr = std::shared_ptr<AbstractDictionary>;
 
 /// \brief Class AbstractSlice describes a slice node's abstract value.
-class MS_CORE_API AbstractSlice : public AbstractBase {
+class MS_CORE_API AbstractSlice final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractSlice.
   ///
@@ -1029,7 +1029,7 @@ class MS_CORE_API AbstractSlice : public AbstractBase {
 using AbstractSlicePtr = std::shared_ptr<AbstractSlice>;
 
 /// \brief Class AbstractJTagged describes a J node's abstract value.
-class MS_CORE_API AbstractJTagged : public AbstractBase {
+class MS_CORE_API AbstractJTagged final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractJTagged.
   ///
@@ -1072,7 +1072,7 @@ class MS_CORE_API AbstractJTagged : public AbstractBase {
 using AbstractJTaggedPtr = std::shared_ptr<AbstractJTagged>;
 
 /// \brief Class AbstractNone describes a None node's abstract value.
-class MS_CORE_API AbstractNone : public AbstractBase {
+class MS_CORE_API AbstractNone final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractNone.
   AbstractNone() : AbstractBase() { set_type(std::make_shared<TypeNone>()); }
@@ -1105,7 +1105,7 @@ using AbstractNonePtr = std::shared_ptr<AbstractNone>;
 ///
 /// The unassigned state value for variable,
 /// which means the variable is not assigned.
-class MS_CORE_API AbstractNull : public AbstractBase {
+class MS_CORE_API AbstractNull final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractNull.
   AbstractNull() : AbstractBase(kNull) { set_type(std::make_shared<TypeNull>()); }
@@ -1135,7 +1135,7 @@ using AbstractNullPtr = std::shared_ptr<AbstractNull>;
 ///
 /// The timeout state value for variable, which means
 /// the variable is not assigned because it is timeout.
-class MS_CORE_API AbstractTimeOut : public AbstractBase {
+class MS_CORE_API AbstractTimeOut final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractTimeOut.
   AbstractTimeOut() : AbstractBase(kNull) { set_type(std::make_shared<TypeNull>()); }
@@ -1162,7 +1162,7 @@ class MS_CORE_API AbstractTimeOut : public AbstractBase {
 using AbstractTimeOutPtr = std::shared_ptr<AbstractTimeOut>;
 
 /// \brief Class AbstractEllipsis describes a Ellipsis node's abstract value.
-class MS_CORE_API AbstractEllipsis : public AbstractBase {
+class MS_CORE_API AbstractEllipsis final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractEllipsis.
   AbstractEllipsis() : AbstractBase(kEllipsis) { set_type(std::make_shared<TypeEllipsis>()); }
@@ -1189,7 +1189,7 @@ class MS_CORE_API AbstractEllipsis : public AbstractBase {
 using AbstractEllipsisPtr = std::shared_ptr<AbstractEllipsis>;
 
 /// \brief Class AbstractRefKey describes a RefKey node's abstract value.
-class MS_CORE_API AbstractRefKey : public AbstractBase {
+class MS_CORE_API AbstractRefKey final : public AbstractBase {
  public:
   /// \brief Constructor of AbstractRefKey.
   AbstractRefKey() : AbstractBase(), ref_key_value_(nullptr) { set_type(std::make_shared<RefKeyType>()); }
@@ -1238,7 +1238,7 @@ class MS_CORE_API AbstractRefKey : public AbstractBase {
 using AbstractRefKeyPtr = std::shared_ptr<AbstractRefKey>;
 
 /// \brief Class AbstractRef describes a RefTensor's abstract value.
-class MS_CORE_API AbstractRef : public AbstractTensor {
+class MS_CORE_API AbstractRef final : public AbstractTensor {
  public:
   /// \brief Constructor of AbstractRef.
   ///
@@ -1340,7 +1340,7 @@ MS_CORE_API std::size_t AbstractBasePtrListHash(const AbstractBasePtrList &args_
 MS_CORE_API bool AbstractBasePtrListDeepEqual(const AbstractBasePtrList &lhs, const AbstractBasePtrList &rhs);
 
 /// \brief Class AbstractRowTensor describes a RowTensor's abstract value.
-class MS_CORE_API AbstractRowTensor : public AbstractUndetermined {
+class MS_CORE_API AbstractRowTensor final : public AbstractUndetermined {
  public:
   /// \brief Constructor of AbstractRowTensor.
   ///
@@ -1410,7 +1410,7 @@ class MS_CORE_API AbstractRowTensor : public AbstractUndetermined {
 };
 
 /// \brief Class AbstractSparseTensor describes a SparseTensor's abstract value.
-class MS_CORE_API AbstractSparseTensor : public AbstractUndetermined {
+class MS_CORE_API AbstractSparseTensor final : public AbstractUndetermined {
  public:
   /// \brief Constructor of AbstractSparseTensor.
   ///
@@ -1499,7 +1499,7 @@ class AbstractMonad : public AbstractBase {
 };
 using AbstractMonadPtr = std::shared_ptr<AbstractMonad>;
 
-class AbstractUMonad : public AbstractMonad {
+class AbstractUMonad final : public AbstractMonad {
  public:
   explicit AbstractUMonad(const ValuePtr &value = kUMonad) : AbstractMonad(value, kUMonadType) {}
   ~AbstractUMonad() override = default;
@@ -1512,7 +1512,7 @@ class AbstractUMonad : public AbstractMonad {
 };
 using AbstractUMonadPtr = std::shared_ptr<AbstractUMonad>;
 
-class AbstractIOMonad : public AbstractMonad {
+class AbstractIOMonad final : public AbstractMonad {
  public:
   explicit AbstractIOMonad(const ValuePtr &value = kIOMonad) : AbstractMonad(value, kIOMonadType) {}
   ~AbstractIOMonad() override = default;
diff --git a/mindspore/core/abstract/dshape.h b/mindspore/core/abstract/dshape.h
index 1cb6645ca8a..e4d72950825 100644
--- a/mindspore/core/abstract/dshape.h
+++ b/mindspore/core/abstract/dshape.h
@@ -1,7 +1,7 @@
 /**
  * This is the C++ adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
  *
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 2019-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -85,7 +85,7 @@ class MS_CORE_API BaseShape : public Base {
 };
 
 /// \brief NoShape defines an invalid shape.
-class MS_CORE_API NoShape : public BaseShape {
+class MS_CORE_API NoShape final : public BaseShape {
  public:
   MS_DECLARE_PARENT(NoShape, BaseShape)
 
@@ -104,7 +104,7 @@ class MS_CORE_API NoShape : public BaseShape {
 inline const std::shared_ptr<NoShape> kNoShape = std::make_shared<NoShape>();
 
 /// \brief Shape defines dimensions of tensor.
-class MS_CORE_API Shape : public BaseShape {
+class MS_CORE_API Shape final : public BaseShape {
  public:
   static const int64_t SHP_ANY = -1;
 
@@ -247,7 +247,7 @@ class MS_CORE_API SequeueShape : public BaseShape {
 using SequeueShapePtr = std::shared_ptr<SequeueShape>;
 
 /// \brief TupleShape defines shape used by tuple with tensor inside.
-class MS_CORE_API TupleShape : public SequeueShape {
+class MS_CORE_API TupleShape final : public SequeueShape {
  public:
   /// \brief Constructor of TupleShape.
   TupleShape() : SequeueShape() {}
@@ -270,7 +270,7 @@ class MS_CORE_API TupleShape : public SequeueShape {
 using TupleShapePtr = std::shared_ptr<TupleShape>;
 
 /// \brief ListShape defines shape used by list with tensor inside.
-class MS_CORE_API ListShape : public SequeueShape {
+class MS_CORE_API ListShape final : public SequeueShape {
  public:
   /// \brief Constructor of ListShape.
   ListShape() : SequeueShape() {}
diff --git a/mindspore/core/base/base.cc b/mindspore/core/base/base.cc
index 94c73127368..28176f55b83 100644
--- a/mindspore/core/base/base.cc
+++ b/mindspore/core/base/base.cc
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 2019-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,26 +15,4 @@
  */
 
 #include "base/base.h"
-#include <atomic>
-#include <mutex>
-#include <string>
-#include <unordered_map>
-
-namespace mindspore {
-const bool Base::IsFromTypeId(uint32_t tid) const {
-  static const uint32_t node_id = GetTypeId(typeid(Base).name());
-  return tid == node_id;
-}
-
-uint32_t Base::GetTypeId(const char *const type_name) {
-  TypeIdManager *t = TypeIdManager::Get();
-  std::lock_guard<std::mutex>(t->mutex);
-  auto it = t->map.find(type_name);
-  if (it != t->map.end()) {
-    return it->second;
-  }
-  uint32_t tid = std::hash<std::string>()(type_name);
-  t->map[type_name] = tid;
-  return tid;
-}
-}  // namespace mindspore
+// This file is kept to make cmake happy.
diff --git a/mindspore/core/base/base.h b/mindspore/core/base/base.h
index e4b0e8b205b..1bfddec763a 100644
--- a/mindspore/core/base/base.h
+++ b/mindspore/core/base/base.h
@@ -26,6 +26,8 @@
 #include <unordered_map>
 #include <vector>
 #include <utility>
+#include <algorithm>
+#include "utils/hashing.h"
 #include "utils/visible.h"
 #include "utils/log_adapter.h"
 #include "utils/ordered_set.h"
@@ -40,6 +42,9 @@ struct is_shared_ptr<std::shared_ptr<T>> : public std::true_type {};
 /// \brief Base is a base class of many derived classes, which provides basic interfaces such as hash, and so on.
 class MS_CORE_API Base : public std::enable_shared_from_this<Base> {
  public:
+  /// \brief The type id of this class.
+  static constexpr uint32_t kTypeId = ConstStringHash("Base");
+
   /// \brief The constructor of Base.
   ///
   /// \return The instance of Base.
@@ -92,32 +97,36 @@ class MS_CORE_API Base : public std::enable_shared_from_this<Base> {
   /// \return The text representation.
   virtual std::string DumpText() const { return ToString(); }
 
-  /// \brief Judge whether a type id is the same as the type id of this object.
+  /// \brief Judge whether this object is an instance of class with the given type id.
   ///
   /// \param[in] tid Define a type id.
   ///
   /// \return The result of the judgment.
-  virtual const bool IsFromTypeId(uint32_t tid) const;
+  virtual bool IsFromTypeId(uint32_t tid) const { return Base::IsDerivedFrom(tid); }
+
+  /// \brief Judge whether the type id of this object is same as the given type id.
+  ///
+  /// \param[in] tid Define a type id.
+  ///
+  /// \return The result of the judgment.
+  virtual bool IsSameTypeId(uint32_t tid) const { return tid == Base::kTypeId; }
 
   /// \brief Get the type name of this object.
   ///
   /// \return The type name.
   virtual std::string type_name() const { return "Base"; }
 
-  /// \brief Get a type id which is a hash value from a type name.
-  ///
-  /// \param[in] type_key Define a string for the type name.
-  ///
-  /// \return The type id.
-  static uint32_t GetTypeId(const char *const type_key);
-
   /// \brief Get the type id of this object.
   ///
   /// \return The type id.
-  virtual uint32_t tid() const {
-    static const uint32_t tid = GetTypeId(typeid(Base).name());
-    return tid;
-  }
+  virtual uint32_t tid() const { return Base::kTypeId; }
+
+  /// \brief Judge whether this class is derived from class with the given type id.
+  ///
+  /// \param[in] tid Define a type id.
+  ///
+  /// \return The result of the judgment.
+  static bool IsDerivedFrom(uint32_t tid) __attribute__((__always_inline__)) { return tid == Base::kTypeId; }
 
   /// \brief Judge whether this object is an instance of a given class which is derived from Base.
   ///
@@ -125,8 +134,11 @@ class MS_CORE_API Base : public std::enable_shared_from_this<Base> {
   template <typename T,
             typename std::enable_if<!is_shared_ptr<T>::value && std::is_base_of<Base, T>::value, T>::type * = nullptr>
   inline bool isa() const {
-    static const uint32_t tid = GetTypeId(typeid(T).name());
-    return this->IsFromTypeId(tid);
+    if constexpr (std::is_final<T>::value) {
+      return this->IsSameTypeId(T::kTypeId);
+    } else {
+      return this->IsFromTypeId(T::kTypeId);
+    }
   }
 
   /// \brief Cast a shared_ptr of this object to a given class.
@@ -174,18 +186,14 @@ inline std::shared_ptr<T> dyn_cast(const std::shared_ptr<U> &r) {
   }
 }
 
-#define MS_DECLARE_PARENT(current_t, parent_t)                             \
-  uint32_t tid() const override {                                          \
-    static const uint32_t tid = GetTypeId(typeid(current_t).name());       \
-    return tid;                                                            \
-  }                                                                        \
-  const bool IsFromTypeId(uint32_t from_tid) const override {              \
-    static const uint32_t tid = Base::GetTypeId(typeid(current_t).name()); \
-    if (tid == from_tid) {                                                 \
-      return true;                                                         \
-    }                                                                      \
-    return parent_t::IsFromTypeId(from_tid);                               \
-  }                                                                        \
+#define MS_DECLARE_PARENT(current_t, parent_t)                                             \
+  static constexpr uint32_t kTypeId = ConstStringHash(#parent_t "_" #current_t);           \
+  static bool IsDerivedFrom(uint32_t tid) __attribute__((__always_inline__)) {             \
+    return (tid == current_t::kTypeId) || parent_t::IsDerivedFrom(tid);                    \
+  }                                                                                        \
+  uint32_t tid() const override { return current_t::kTypeId; }                             \
+  bool IsFromTypeId(uint32_t tid) const override { return current_t::IsDerivedFrom(tid); } \
+  bool IsSameTypeId(uint32_t tid) const override { return tid == current_t::kTypeId; }     \
   std::string type_name() const override { return #current_t; }
 
 class Type;
@@ -208,22 +216,6 @@ using AbstractAttribute = std::pair<std::string, AbstractBasePtr>;
 class AnalysisContext;
 using AnalysisContextPtr = std::shared_ptr<AnalysisContext>;
 }  // namespace abstract
-
-/// \brief TypeIdManager is a manager for saving and reading the type id.
-struct MS_EXPORT TypeIdManager {
-  std::mutex mutex;
-  std::atomic<uint32_t> type_counter{0};
-  std::unordered_map<std::string, uint32_t> map;
-  /// \brief Get the singleton pointer of TypeIdManager.
-  ///
-  /// \return The singleton pointer of TypeIdManager.
-  static TypeIdManager *Get();
-
-  /// \brief The constructor of TypeIdManager.
-  ///
-  /// \return The instance of TypeIdManager.
-  TypeIdManager() : mutex(), type_counter(0), map() {}
-};
 }  // namespace mindspore
 
 #endif  // MINDSPORE_CORE_BASE_BASE_H_
diff --git a/mindspore/core/base/base_ref.h b/mindspore/core/base/base_ref.h
index 28933354dcb..a5253661b2a 100644
--- a/mindspore/core/base/base_ref.h
+++ b/mindspore/core/base/base_ref.h
@@ -231,8 +231,7 @@ bool isa(const BaseRef &handle) {
 // isa<BaseRef>(handle), judge reference or ptr
 template <typename T, typename std::enable_if<is_base_ref<T>::value, int64_t>::type = static_cast<int64_t>(0)>
 bool isa(const BaseRef &handle) {
-  static const uint32_t tid = Base::GetTypeId(typeid(T).name());
-  return handle.IsFromTypeId(tid) || (handle.m_ptr && handle.m_ptr->isa<T>());
+  return handle.isa<T>() || (handle.m_ptr && handle.m_ptr->isa<T>());
 }
 
 // valueref -> C++ type
diff --git a/mindspore/core/gvar/typeid_manager.cc b/mindspore/core/gvar/typeid_manager.cc
index 9f73086c7dc..28176f55b83 100644
--- a/mindspore/core/gvar/typeid_manager.cc
+++ b/mindspore/core/gvar/typeid_manager.cc
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 2019-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,17 +14,5 @@
  * limitations under the License.
  */
 
-#include <vector>
-#include <string>
-#include <atomic>
-#include <mutex>
-#include <unordered_map>
-
 #include "base/base.h"
-
-namespace mindspore {
-struct TypeIdManager *TypeIdManager::Get() {
-  static TypeIdManager manager;
-  return &manager;
-}
-}  // namespace mindspore
+// This file is kept to make cmake happy.
diff --git a/mindspore/core/ir/anf.h b/mindspore/core/ir/anf.h
index 7808af99b9e..337e19e80cf 100644
--- a/mindspore/core/ir/anf.h
+++ b/mindspore/core/ir/anf.h
@@ -380,7 +380,7 @@ class MS_CORE_API AnfNode : public Base {
 // stop_gradient_: a flag used to stop gradient.
 // Using stop_gradient() to get this flag, mainly used in ad.
 // Using set_stop_gradient() to set this flag.
-class MS_CORE_API CNode : public AnfNode, public EffectInfoHolder {
+class MS_CORE_API CNode final : public AnfNode, public EffectInfoHolder {
  public:
   /// \brief Constructor.
   ///
@@ -705,7 +705,7 @@ class MS_CORE_API ANode : public AnfNode {
 // Parameter represents the parameter inputs of a function. They have no value.
 // Attributes:
 // default_param_value_: used to hold the inputting tensor of the model.
-class MS_CORE_API Parameter : public ANode {
+class MS_CORE_API Parameter final : public ANode {
  public:
   /// \brief Constructor.
   ///
@@ -897,7 +897,7 @@ class MS_CORE_API Value : public Base {
 
 // ValueNode is used to hold value. Unlike CNode and Parameter, ValueNode
 // does not belong to any particular function graph.
-class MS_CORE_API ValueNode : public ANode {
+class MS_CORE_API ValueNode final : public ANode {
  public:
   /// \brief Constructor of ValueNode.
   ///
diff --git a/mindspore/core/ir/cell.h b/mindspore/core/ir/cell.h
index a88d692d754..ad466403b0b 100644
--- a/mindspore/core/ir/cell.h
+++ b/mindspore/core/ir/cell.h
@@ -31,7 +31,7 @@ using abstract::AbstractBasePtr;
 using abstract::AbstractBasePtrList;
 
 /// \brief The Cell class of MindSpore is the base class for building all networks and the basic unit of a network.
-class MS_CORE_API Cell : public Named {
+class MS_CORE_API Cell final : public Named {
  public:
   /// \brief Constructor.
   ///
diff --git a/mindspore/core/ir/dtype.h b/mindspore/core/ir/dtype.h
index bdb56b70023..e9280c07725 100644
--- a/mindspore/core/ir/dtype.h
+++ b/mindspore/core/ir/dtype.h
@@ -57,7 +57,7 @@ MS_CORE_API TypePtr TypeIdToType(TypeId id);
 MS_CORE_API std::string TypeIdToString(TypeId id, bool to_lower = false);
 
 /// \brief String defines a type of string.
-class MS_CORE_API String : public Object {
+class MS_CORE_API String final : public Object {
  public:
   /// \brief The constructor of String.
   ///
@@ -78,7 +78,7 @@ class MS_CORE_API String : public Object {
 using StringPtr = std::shared_ptr<String>;
 
 /// \brief Keyword defines a type of keyword.
-class MS_CORE_API Keyword : public Object {
+class MS_CORE_API Keyword final : public Object {
  public:
   /// \brief The constructor of Keyword.
   ///
@@ -122,7 +122,7 @@ class MS_CORE_API Keyword : public Object {
 using KeywordPtr = std::shared_ptr<Keyword>;
 
 /// \brief Slice defines a type of slice.
-class MS_CORE_API Slice : public Object {
+class MS_CORE_API Slice final : public Object {
  public:
   /// \brief The constructor of Slice.
   ///
@@ -175,7 +175,7 @@ class MS_CORE_API Slice : public Object {
 using SlicePtr = std::shared_ptr<Slice>;
 
 /// \brief Function defines a type of function.
-class MS_CORE_API Function : public Object {
+class MS_CORE_API Function final : public Object {
  public:
   /// \brief The constructor of Function.
   ///
@@ -224,7 +224,7 @@ class MS_CORE_API Function : public Object {
 using FunctionPtr = std::shared_ptr<Function>;
 
 /// \brief JTagged defines a type representing an object is tagged with J.
-class MS_CORE_API JTagged : public Object {
+class MS_CORE_API JTagged final : public Object {
  public:
   /// \brief The constructor of JTagged.
   ///
@@ -254,7 +254,7 @@ class MS_CORE_API JTagged : public Object {
 using JTaggedPtr = std::shared_ptr<JTagged>;
 
 /// \brief SymbolicKeyType defines a type of symbolic key.
-class MS_CORE_API SymbolicKeyType : public Object {
+class MS_CORE_API SymbolicKeyType final : public Object {
  public:
   /// \brief The constructor of SymbolicKeyType.
   ///
@@ -272,7 +272,7 @@ class MS_CORE_API SymbolicKeyType : public Object {
 };
 
 /// \brief EnvType defines a type of environment variable.
-class MS_CORE_API EnvType : public Object {
+class MS_CORE_API EnvType final : public Object {
  public:
   /// \brief The constructor of EnvType.
   ///
@@ -290,7 +290,7 @@ class MS_CORE_API EnvType : public Object {
 using EnvTypePtr = std::shared_ptr<EnvType>;
 
 /// \brief TypeType defines a type of type itself.
-class MS_CORE_API TypeType : public Type {
+class MS_CORE_API TypeType final : public Type {
  public:
   /// \brief The constructor of TypeType.
   ///
@@ -309,7 +309,7 @@ class MS_CORE_API TypeType : public Type {
 using TypeTypePtr = std::shared_ptr<TypeType>;
 
 /// \brief Problem defines a type of problem.
-class MS_CORE_API Problem : public Type {
+class MS_CORE_API Problem final : public Type {
  public:
   /// \brief The constructor of Problem.
   ///
@@ -347,7 +347,7 @@ class MS_CORE_API Problem : public Type {
 using ProblemPtr = std::shared_ptr<Problem>;
 
 /// \brief External defines a type which is external.
-class MS_CORE_API External : public Type {
+class MS_CORE_API External final : public Type {
  public:
   /// \brief The constructor of External.
   ///
diff --git a/mindspore/core/ir/dtype/container.h b/mindspore/core/ir/dtype/container.h
index a813e0c9f01..5f7e90e4ff6 100644
--- a/mindspore/core/ir/dtype/container.h
+++ b/mindspore/core/ir/dtype/container.h
@@ -35,7 +35,7 @@
 
 namespace mindspore {
 /// \brief List defines interface for list data type.
-class MS_CORE_API List : public Object {
+class MS_CORE_API List final : public Object {
  public:
   /// \brief Default constructor for List.
   List() : Object(kObjectTypeList) {}
@@ -91,7 +91,7 @@ using ListPtr = std::shared_ptr<List>;
 using ClassAttrVector = std::vector<std::pair<std::string, TypePtr>>;
 
 /// \brief Class defines interface for class data type.
-class MS_CORE_API Class : public Object {
+class MS_CORE_API Class final : public Object {
  public:
   /// \brief Constructor for Class.
   Class() : Object(kObjectTypeClass), tag_(Named("Class")) {}
@@ -154,7 +154,7 @@ class MS_CORE_API Class : public Object {
 using ClassPtr = std::shared_ptr<Class>;
 
 /// \brief Tuple defines interface for tuple data type.
-class MS_CORE_API Tuple : public Object {
+class MS_CORE_API Tuple final : public Object {
  public:
   /// \brief Default constructor for Tuple.
   Tuple() : Object(kObjectTypeTuple) {}
@@ -209,7 +209,7 @@ class MS_CORE_API Tuple : public Object {
 using TuplePtr = std::shared_ptr<Tuple>;
 
 /// \brief Dictionary defines interface for dictionary data type.
-class MS_CORE_API Dictionary : public Object {
+class MS_CORE_API Dictionary final : public Object {
  public:
   /// \brief Default constructor for Dictionary.
   Dictionary() : Object(kObjectTypeDictionary) {}
diff --git a/mindspore/core/ir/dtype/ref.h b/mindspore/core/ir/dtype/ref.h
index 594070c87b4..a3304b090cd 100644
--- a/mindspore/core/ir/dtype/ref.h
+++ b/mindspore/core/ir/dtype/ref.h
@@ -28,7 +28,7 @@
 namespace mindspore {
 // TypeRefKey type
 /// \brief RefKeyType defines an Object class whose type is RefKey.
-class MS_CORE_API RefKeyType : public Object {
+class MS_CORE_API RefKeyType final : public Object {
  public:
   /// \brief Default constructor for RefKeyType.
   RefKeyType() : Object(kObjectTypeRefKey) {}
@@ -45,7 +45,7 @@ class MS_CORE_API RefKeyType : public Object {
 
 // TypeRef type
 /// \brief RefType defines a TensorType class whose type is Ref.
-class MS_CORE_API RefType : public TensorType {
+class MS_CORE_API RefType final : public TensorType {
  public:
   /// \brief Default constructor for RefType.
   RefType() : TensorType() {}
diff --git a/mindspore/core/ir/dtype/tensor_type.h b/mindspore/core/ir/dtype/tensor_type.h
index 4f627788690..5de0e3ca129 100644
--- a/mindspore/core/ir/dtype/tensor_type.h
+++ b/mindspore/core/ir/dtype/tensor_type.h
@@ -35,7 +35,7 @@
 
 namespace mindspore {
 /// \brief UndeterminedType defines interface for tensor undetermined data type.
-class MS_CORE_API UndeterminedType : public Object {
+class MS_CORE_API UndeterminedType final : public Object {
  public:
   /// \brief Default constructor for UndeterminedType.
   UndeterminedType() : Object(kObjectTypeUndeterminedType) {}
@@ -114,7 +114,7 @@ class MS_CORE_API TensorType : public Object {
 using TensorTypePtr = std::shared_ptr<TensorType>;
 
 /// \brief RowTensorType defines interface for row tensor data type.
-class MS_CORE_API RowTensorType : public Object {
+class MS_CORE_API RowTensorType final : public Object {
  public:
   /// \brief Default constructor for RowTensorType.
   RowTensorType() : Object(kObjectTypeRowTensorType, kObjectTypeUndeterminedType) {}
@@ -153,7 +153,7 @@ class MS_CORE_API RowTensorType : public Object {
 using RowTensorTypePtr = std::shared_ptr<RowTensorType>;
 
 /// \brief SparseTensorType defines interface for sparse tensor data type.
-class MS_CORE_API SparseTensorType : public Object {
+class MS_CORE_API SparseTensorType final : public Object {
  public:
   /// \brief Default constructor for SparseTensorType.
   SparseTensorType() : Object(kObjectTypeSparseTensorType, kObjectTypeUndeterminedType) {}
diff --git a/mindspore/core/ir/named.h b/mindspore/core/ir/named.h
index 8bf745e1a80..dbe1bac595f 100644
--- a/mindspore/core/ir/named.h
+++ b/mindspore/core/ir/named.h
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 2019-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -112,7 +112,7 @@ struct MS_CORE_API NamedEqual {
   }
 };
 /// \beief None defines interface for none data.
-class MS_CORE_API None : public Named {
+class MS_CORE_API None final : public Named {
  public:
   /// \beief The default constructor for None.
   None() : Named("None") {}
@@ -124,7 +124,7 @@ class MS_CORE_API None : public Named {
 inline const NamedPtr kNone = std::make_shared<None>();
 
 /// \beief Null defines interface for null data.
-class MS_CORE_API Null : public Named {
+class MS_CORE_API Null final : public Named {
  public:
   /// \beief The default constructor for Null.
   Null() : Named("Null") {}
@@ -136,7 +136,7 @@ class MS_CORE_API Null : public Named {
 inline const NamedPtr kNull = std::make_shared<Null>();
 
 /// \beief Ellipsis defines interface for ... data.
-class MS_CORE_API Ellipsis : public Named {
+class MS_CORE_API Ellipsis final : public Named {
  public:
   /// \beief The default constructor for Ellipsis.
   Ellipsis() : Named("Ellipsis") {}
diff --git a/mindspore/core/ir/scalar.h b/mindspore/core/ir/scalar.h
index 30cf760b433..15e4e5caa04 100644
--- a/mindspore/core/ir/scalar.h
+++ b/mindspore/core/ir/scalar.h
@@ -63,7 +63,7 @@ class MS_CORE_API Scalar : public Value {
 using ScalarPtr = std::shared_ptr<Scalar>;
 
 /// \beief BoolImm defines interface for bool data.
-class MS_CORE_API BoolImm : public Scalar {
+class MS_CORE_API BoolImm final : public Scalar {
  public:
   /// \brief The constructor of BoolImm.
   ///
@@ -120,7 +120,7 @@ class MS_CORE_API IntergerImm : public Scalar {
 };
 
 /// \beief Int8Imm defines interface for int8 data.
-class MS_CORE_API Int8Imm : public IntergerImm {
+class MS_CORE_API Int8Imm final : public IntergerImm {
  public:
   /// \beief The default constructor for Int8Imm.
   Int8Imm() : IntergerImm(kInt8), v_(0) {}
@@ -158,7 +158,7 @@ class MS_CORE_API Int8Imm : public IntergerImm {
 using Int8ImmPtr = std::shared_ptr<Int8Imm>;
 IMM_TRAITS(Int8ImmPtr, int8_t)
 /// \beief Int16Imm defines interface for int16 data.
-class MS_CORE_API Int16Imm : public IntergerImm {
+class MS_CORE_API Int16Imm final : public IntergerImm {
  public:
   /// \beief The default constructor for Int16Imm.
   Int16Imm() : IntergerImm(kInt16), v_(0) {}
@@ -197,7 +197,7 @@ using Int16ImmPtr = std::shared_ptr<Int16Imm>;
 IMM_TRAITS(Int16ImmPtr, int16_t)
 
 /// \beief Int32Imm defines interface for int32 data.
-class MS_CORE_API Int32Imm : public IntergerImm {
+class MS_CORE_API Int32Imm final : public IntergerImm {
  public:
   /// \beief The default constructor for Int32Imm.
   Int32Imm() : IntergerImm(kInt32), v_(0) {}
@@ -236,7 +236,7 @@ using Int32ImmPtr = std::shared_ptr<Int32Imm>;
 IMM_TRAITS(Int32ImmPtr, int32_t)
 
 /// \beief Int64Imm defines interface for int64 data.
-class MS_CORE_API Int64Imm : public IntergerImm {
+class MS_CORE_API Int64Imm final : public IntergerImm {
  public:
   /// \beief The default constructor for Int64Imm.
   Int64Imm() : IntergerImm(kInt64), v_(0) {}
@@ -274,7 +274,7 @@ class MS_CORE_API Int64Imm : public IntergerImm {
 using Int64ImmPtr = std::shared_ptr<Int64Imm>;
 IMM_TRAITS(Int64ImmPtr, int64_t)
 /// \beief UInt8Imm defines interface for uint8 data.
-class MS_CORE_API UInt8Imm : public IntergerImm {
+class MS_CORE_API UInt8Imm final : public IntergerImm {
  public:
   /// \beief The default constructor for UInt8Imm.
   UInt8Imm() : IntergerImm(kUInt8), v_(0) {}
@@ -315,7 +315,7 @@ using UInt8ImmPtr = std::shared_ptr<UInt8Imm>;
 IMM_TRAITS(UInt8ImmPtr, uint8_t);
 
 /// \beief UInt16Imm defines interface for uint16 data.
-class MS_CORE_API UInt16Imm : public IntergerImm {
+class MS_CORE_API UInt16Imm final : public IntergerImm {
  public:
   /// \beief The default constructor for UInt16Imm.
   UInt16Imm() : IntergerImm(kUInt16), v_(0) {}
@@ -356,7 +356,7 @@ using UInt16ImmPtr = std::shared_ptr<UInt16Imm>;
 IMM_TRAITS(UInt16ImmPtr, uint16_t);
 
 /// \beief UInt32Imm defines interface for uint32 data.
-class MS_CORE_API UInt32Imm : public IntergerImm {
+class MS_CORE_API UInt32Imm final : public IntergerImm {
  public:
   /// \beief The default constructor for UInt32Imm.
   UInt32Imm() : IntergerImm(kUInt32), v_(0) {}
@@ -396,7 +396,7 @@ class MS_CORE_API UInt32Imm : public IntergerImm {
 using UInt32ImmPtr = std::shared_ptr<UInt32Imm>;
 IMM_TRAITS(UInt32ImmPtr, uint32_t);
 /// \beief UInt64Imm defines interface for uint64 data.
-class MS_CORE_API UInt64Imm : public IntergerImm {
+class MS_CORE_API UInt64Imm final : public IntergerImm {
  public:
   /// \beief The default constructor for UInt64Imm.
   UInt64Imm() : IntergerImm(kUInt64), v_(0) {}
@@ -451,7 +451,7 @@ class MS_CORE_API FloatImm : public Scalar {
 using FloatImmPtr = std::shared_ptr<FloatImm>;
 
 /// \beief FP32Imm defines interface for float32 data.
-class MS_CORE_API FP32Imm : public FloatImm {
+class MS_CORE_API FP32Imm final : public FloatImm {
  public:
   /// \beief The default constructor for FP32Imm.
   FP32Imm() : FloatImm(kFloat32), v_(0.0) {}
@@ -489,7 +489,7 @@ class MS_CORE_API FP32Imm : public FloatImm {
 using FP32ImmPtr = std::shared_ptr<FP32Imm>;
 IMM_TRAITS(FP32ImmPtr, float)
 /// \beief FP64Imm defines interface for float64 data.
-class MS_CORE_API FP64Imm : public FloatImm {
+class MS_CORE_API FP64Imm final : public FloatImm {
  public:
   /// \beief The default constructor for FP64Imm.
   FP64Imm() : FloatImm(kFloat64), v_(0.0) {}
diff --git a/mindspore/core/ir/tensor.h b/mindspore/core/ir/tensor.h
index 02427069a43..7a3fa8f79b2 100644
--- a/mindspore/core/ir/tensor.h
+++ b/mindspore/core/ir/tensor.h
@@ -139,7 +139,7 @@ class WaitEvent : public ExceptionListener {
 };
 
 // Tensor entity class
-class MS_CORE_API Tensor : public MetaTensor {
+class MS_CORE_API Tensor final : public MetaTensor {
  public:
   abstract::AbstractBasePtr ToAbstract() override;
 
diff --git a/mindspore/core/ir/value.h b/mindspore/core/ir/value.h
index 4c36ef92659..d0e715bcddb 100644
--- a/mindspore/core/ir/value.h
+++ b/mindspore/core/ir/value.h
@@ -376,7 +376,7 @@ class MS_CORE_API ValueDictionary : public Value {
 using ValueDictionaryPtr = std::shared_ptr<ValueDictionary>;
 
 /// \brief StringImm defines a Value class whose type is String.
-class MS_CORE_API StringImm : public Value {
+class MS_CORE_API StringImm final : public Value {
  public:
   /// \brief Constructor of StringImm.
   ///
@@ -505,7 +505,7 @@ class MS_CORE_API Monad : public Value {
 };
 
 /// \brief UMonad defines a Value class which related to memory side effect.
-class MS_CORE_API UMonad : public Monad {
+class MS_CORE_API UMonad final : public Monad {
  public:
   /// \brief Constructor of UMonad.
   UMonad() : Monad(kUMonadType) {}
@@ -534,7 +534,7 @@ using UMonadPtr = std::shared_ptr<UMonad>;
 extern const ValuePtr kUMonad;
 
 /// \brief IOMonad defines a Value class which related to IO side effect.
-class MS_CORE_API IOMonad : public Monad {
+class MS_CORE_API IOMonad final : public Monad {
  public:
   /// \brief Constructor of IOMonad.
   IOMonad() : Monad(kIOMonadType) {}
diff --git a/mindspore/core/utils/hashing.h b/mindspore/core/utils/hashing.h
index 47a9b0cbd20..905a7264ca7 100644
--- a/mindspore/core/utils/hashing.h
+++ b/mindspore/core/utils/hashing.h
@@ -50,5 +50,15 @@ struct PointerHash<std::shared_ptr<T>> {
   }
 };
 
+// Generate hash code for a string literal at compile time.
+// We using Java string hash algorithm here.
+constexpr uint32_t ConstStringHash(const char *str) {
+  uint32_t hash = 0;
+  while (*str) {
+    hash = hash * 31 + static_cast<uint32_t>(*str++);
+  }
+  return hash;
+}
+
 }  // namespace mindspore
 #endif  // MINDSPORE_CORE_UTILS_HASHING_H_
diff --git a/scripts/check_tid.sh b/scripts/check_tid.sh
new file mode 100755
index 00000000000..cfdad069c45
--- /dev/null
+++ b/scripts/check_tid.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+SCRIPT_DIR=$(dirname "$0")
+MS_DIR=$(realpath ${SCRIPT_DIR}/..)
+BUILD_DIR=${MS_DIR}/build
+HASH_EXE=${BUILD_DIR}/gentid
+HASH_SRC=${BUILD_DIR}/gentid.cc
+
+mkdir -p ${BUILD_DIR}
+echo "#include <iostream>"  > ${HASH_SRC}
+echo "#include \"${MS_DIR}/mindspore/core/utils/hashing.h\""  >> ${HASH_SRC}
+echo "int main(int argc, char *argv[0]) { std::cout << mindspore::ConstStringHash(argv[1]) << std::endl; }"  >> ${HASH_SRC}
+g++ -std=c++17 -o ${HASH_EXE} ${HASH_SRC}
+
+BASE_TID=$(${HASH_EXE} Base)
+declare -A TIDMAP=( [${BASE_TID}]=Base )
+
+grep -r MS_DECLARE_PARENT --include=*.h --include=*.cc ${MS_DIR} | while read line
+do
+#echo $line
+if [[ "$line" =~ .*\((.*)\,(.*)\).* ]]
+then
+CLASS_NAME=${BASH_REMATCH[2]}_${BASH_REMATCH[1]}
+TID=$(${HASH_EXE} ${CLASS_NAME})
+if [ ${TIDMAP[${TID}]+_} ]; then
+    echo $line
+    echo Same tid $TID is used by $CLASS_NAME and ${TIDMAP[${TID}]}.
+    exit 1
+fi
+TIDMAP[${TID}]=${CLASS_NAME}
+echo ${TID} ${CLASS_NAME}
+fi
+done
+if [ $? != 0 ];then
+    echo 'Check tid failed!'
+    exit 1
+fi
+echo 'All tids are unique, check tid ok.'