diff --git a/paddle/fluid/eager/auto_code_generator/final_state_generator/CMakeLists.txt b/paddle/fluid/eager/auto_code_generator/final_state_generator/CMakeLists.txt
index ce1e81dd971ad15152c0b7a8514e3ed210225a91..6a4c577f5e5f30fc330a3781389e1fb044908adc 100644
--- a/paddle/fluid/eager/auto_code_generator/final_state_generator/CMakeLists.txt
+++ b/paddle/fluid/eager/auto_code_generator/final_state_generator/CMakeLists.txt
@@ -38,7 +38,7 @@ add_custom_target(
   COMMAND
     "${PYTHON_EXECUTABLE}"
     "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/auto_code_generator/final_state_generator/eager_gen.py"
-    "--api_yaml_path=${api_yaml_path}"
+    "--api_yaml_path=${api_yaml_path},${fwd_api_yaml_path}"
     "--backward_yaml_path=${backward_yaml_path}"
     "--forwards_cc_path=${tmp_forwards_cc_path}"
     "--forwards_h_path=${tmp_forwards_h_path}"
diff --git a/paddle/fluid/eager/auto_code_generator/final_state_generator/codegen_utils.py b/paddle/fluid/eager/auto_code_generator/final_state_generator/codegen_utils.py
index c45f751b8c3dc94d3509a2d62e228f781ff5b356..29049bff90de3cde6dba2a0c838f9fb45f3d3a52 100644
--- a/paddle/fluid/eager/auto_code_generator/final_state_generator/codegen_utils.py
+++ b/paddle/fluid/eager/auto_code_generator/final_state_generator/codegen_utils.py
@@ -353,6 +353,9 @@ class FunctionGeneratorBase:
         self.forward_api_contents = forward_api_contents
         self.namespace = namespace
 
+        self.is_forward_only = False if 'backward' in forward_api_contents.keys(
+        ) else True
+
         self.forward_api_name = ""
 
         self.orig_forward_inputs_list = [
diff --git a/paddle/fluid/eager/auto_code_generator/final_state_generator/eager_gen.py b/paddle/fluid/eager/auto_code_generator/final_state_generator/eager_gen.py
index 0420bb2dbcbec22d3d740a057857de0a148d045c..ff4824d78e0a01ed31c9037b7b36d7e79494d43a 100644
--- a/paddle/fluid/eager/auto_code_generator/final_state_generator/eager_gen.py
+++ b/paddle/fluid/eager/auto_code_generator/final_state_generator/eager_gen.py
@@ -209,6 +209,26 @@ FORWARD_FUNCTION_TEMPLATE = \
 }}
 """
 
+
+FORWARD_ONLY_FUNCTION_TEMPLATE = \
+"""
+{} {}({}) {{
+  // Dygraph Record Event
+{}
+  // AMP Logic
+{}
+
+  // Forward API Call
+  VLOG(3) << \"Final State Running: \" << \"{}\";
+{}
+  // Get Outputs
+{}
+
+  // Returns
+  return {};
+}}
+"""
+
 FORWARD_BODY_TEMPLATE = \
 """  if(require_any_grad) {{
 {}
@@ -297,6 +317,7 @@ FORWARD_CC_FILE_TEMPLATE = \
 #include "paddle/fluid/eager/api/generated/eager_generated/forwards/dygraph_functions.h"
 #include "paddle/fluid/eager/api/generated/eager_generated/backwards/nodes.h"
 
+#include "paddle/phi/api/include/strings_api.h"
 #include "paddle/phi/api/include/sparse_api.h"
 #include "paddle/fluid/eager/api/utils/global_utils.h"
 #include "paddle/fluid/platform/profiler/event_tracing.h"
@@ -321,6 +342,7 @@ FORWARD_H_FILE_TEMPLATE = \
 #include "paddle/fluid/eager/to_static/run_program_op_func.h"
 #include "paddle/fluid/eager/api/manual/eager_manual/dygraph_forward_api.h"
 
+using CPUPlace = phi::CPUPlace;
 {}
 {}
 """
@@ -406,6 +428,27 @@ CHECK_NAN_AND_INF_TEMPLATE = \
 """  if (FLAGS_check_nan_inf) {{ egr::CheckTensorHasNanOrInf("{}", {}); }}
 """
 
+# This list contains ops that do not need to generate amp logic
+# All optimizer ops in this list
+no_amp_list = [
+    'adam_', 'adam', 'adamw_', 'adamw', 'average_accumulates',
+    'average_accumulates_', 'decayed_adagrad_', 'decayed_adagrad',
+    'dgc_momentum_', 'dgc_momentum', 'distributed_fused_lamb_',
+    'distributed_fused_lamb', 'dpsgd_', 'dpsgd', 'ftrl_', 'ftrl', 'lamb_',
+    'lamb', 'lars_momentum_', 'lars_momentum', 'merged_adam_', 'merged_adam',
+    'merged_momentum_', 'merged_momentum', 'momentum_', 'momentum',
+    'proximal_adagrad_', 'proximal_adagrad', 'proximal_gd_', 'proximal_gd',
+    'rmsprop_', 'rmsprop', 'sgd_', 'sgd', 'lamb_', 'lamb', 'assign_value_',
+    'sparse_momentum_', 'sparse_momentum', 'full_'
+]
+
+inplace_optional_out_type_map = {
+    "Tensor":
+    "paddle::optional<paddle::experimental::Tensor>&",
+    "std::vector<Tensor>":
+    "paddle::optional<std::vector<paddle::experimental::Tensor>>&"
+}
+
 
 #######################
 ## Generator Helpers ##
@@ -513,15 +556,16 @@ class DygraphFunctionGeneratorBase(FunctionGeneratorBase):
         ), "Unable to find \"args\" in api.yaml"
         assert 'output' in forward_api_contents.keys(
         ), "Unable to find \"output\" in api.yaml"
-        assert 'backward' in forward_api_contents.keys(
-        ), "Unable to find \"backward\" in api.yaml"
 
-        assert 'args' in grad_api_contents.keys(
-        ), "Unable to find \"args\" in backward.yaml"
-        assert 'output' in grad_api_contents.keys(
-        ), "Unable to find \"output\" in backward.yaml"
-        assert 'forward' in grad_api_contents.keys(
-        ), "Unable to find \"forward\" in backward.yaml"
+        if grad_api_contents is not None:
+            assert 'backward' in forward_api_contents.keys(
+            ), "Unable to find \"backward\" in api.yaml"
+            assert 'args' in grad_api_contents.keys(
+            ), "Unable to find \"args\" in backward.yaml"
+            assert 'output' in grad_api_contents.keys(
+            ), "Unable to find \"output\" in backward.yaml"
+            assert 'forward' in grad_api_contents.keys(
+            ), "Unable to find \"forward\" in backward.yaml"
 
     def ForwardsValidationCheck(self):
         forward_inputs_list = self.forward_inputs_list
@@ -629,6 +673,11 @@ class DygraphFunctionGeneratorBase(FunctionGeneratorBase):
         self.forward_inputs_list, self.forward_attrs_list, self.forward_returns_list = ParseYamlForwardFromBackward(
             backward_forward_str)
 
+    def CollectForwardInfoFromYamlForward(self):
+        self.forward_inputs_list, self.forward_attrs_list, self.forward_returns_list = ParseYamlForwardFromBackward(
+            self.forward_api_contents['args'] + " -> " +
+            self.forward_api_contents['output'])
+
     def SlotNameMatching(self):
         backward_inputs_list = self.backward_inputs_list
         backward_returns_list = self.backward_returns_list
@@ -694,6 +743,14 @@ class DygraphFunctionGeneratorBase(FunctionGeneratorBase):
                 backward_output_pos
             ]
 
+    def GetPassStopGradientArgsList(self, forward_outputs_position_map):
+        pass_stop_gradient_args_list = ["false"]
+        for name, (_, _) in forward_outputs_position_map.items():
+            output_autograd_meta_name = GetAutoGradMetaName(name)
+            pass_stop_gradient_args_list.append(output_autograd_meta_name)
+        pass_stop_gradient_args_str = ",".join(pass_stop_gradient_args_list)
+        return pass_stop_gradient_args_str
+
     def GenerateNodeCreationCodes(self, for_backward=False):
         forward_api_name = self.forward_api_name
         forward_inputs_position_map = self.forward_inputs_position_map
@@ -706,11 +763,8 @@ class DygraphFunctionGeneratorBase(FunctionGeneratorBase):
         optional_inputs = self.optional_inputs
 
         # Pass Stop Gradient Args
-        pass_stop_gradient_args_list = ["false"]
-        for name, (_, _) in forward_outputs_position_map.items():
-            output_autograd_meta_name = GetAutoGradMetaName(name)
-            pass_stop_gradient_args_list.append(output_autograd_meta_name)
-        pass_stop_gradient_args_str = ",".join(pass_stop_gradient_args_list)
+        pass_stop_gradient_args_str = self.GetPassStopGradientArgsList(
+            forward_outputs_position_map)
 
         # Node Construction
         num_backward_inputs = len(forward_outputs_position_map.keys())
@@ -851,10 +905,10 @@ class DygraphFunctionGeneratorBase(FunctionGeneratorBase):
         ##########################
         # Parse forward and backward inplace_map
         self.ParseForwardInplaceInfo()
-        self.ParseBackwardInplaceInfo()
-
-        # Parse no_need_buffer
-        self.ParseNoNeedBuffer()
+        if self.grad_api_contents is not None:
+            self.ParseBackwardInplaceInfo()
+            # Parse no_need_buffer
+            self.ParseNoNeedBuffer()
 
         # Parse optional_inputs
         self.ParseDispensable()
@@ -863,11 +917,15 @@ class DygraphFunctionGeneratorBase(FunctionGeneratorBase):
         self.ParseIntermediate()
         self.IntermediateValidationCheck()
 
-        # Initialize backward_forward_str, backward_inputs_list, backward_attrs_list, backward_returns_list
-        self.CollectBackwardInfo()
+        if self.grad_api_contents is not None:
+            # Initialize backward_forward_str, backward_inputs_list, backward_attrs_list, backward_returns_list
+            self.CollectBackwardInfo()
 
-        # Initialize forward_inputs_list, forward_attrs_list, forward_returns_list
-        self.CollectForwardInfoFromBackwardContents()
+            # Initialize forward_inputs_list, forward_attrs_list, forward_returns_list
+            self.CollectForwardInfoFromBackwardContents()
+
+        if self.is_forward_only:
+            self.CollectForwardInfoFromYamlForward()
 
         # Initialize orig_forward_inputs_list, orig_forward_attrs_list, orig_forward_returns_list
         self.CollectOriginalForwardInfo()
@@ -882,11 +940,11 @@ class DygraphFunctionGeneratorBase(FunctionGeneratorBase):
         self.DetermineForwardPositionMap(self.forward_inputs_list,
                                          self.forward_returns_list)
 
-        # Initialize backward_forward_inputs_map, backward_grad_inputs_map, backward_grad_outputs_map
-        self.SlotNameMatching()
-
-        # Backward Validation Check
-        self.BackwardValidationCheck()
+        if self.grad_api_contents is not None:
+            # Initialize backward_forward_inputs_map, backward_grad_inputs_map, backward_grad_outputs_map
+            self.SlotNameMatching()
+            # Backward Validation Check
+            self.BackwardValidationCheck()
 
 
 class DygraphForwardFunctionGenerator(DygraphFunctionGeneratorBase):
@@ -909,7 +967,8 @@ class DygraphForwardFunctionGenerator(DygraphFunctionGeneratorBase):
         forward_inputs_position_map = self.forward_inputs_position_map
         forward_outputs_position_map = self.forward_outputs_position_map
         forward_attrs_list = self.forward_attrs_list
-        backward_grad_outputs_map = self.backward_grad_outputs_map
+        if not self.is_forward_only:
+            backward_grad_outputs_map = self.backward_grad_outputs_map
 
         optional_inputs = self.optional_inputs
         intermediate_outputs = self.intermediate_outputs
@@ -934,7 +993,11 @@ class DygraphForwardFunctionGenerator(DygraphFunctionGeneratorBase):
             is_optional = (name in optional_inputs)
             if IsPlainTensorType(ttype):
                 if is_optional:
-                    arg_str = f"const paddle::optional<paddle::experimental::Tensor>& {name}"
+                    if self.is_forward_only and is_inplaced and forward_inplace_map and name in forward_inplace_map.keys(
+                    ):
+                        arg_str = f"paddle::optional<paddle::experimental::Tensor>& {name}"
+                    else:
+                        arg_str = f"const paddle::optional<paddle::experimental::Tensor>& {name}"
                     amp_tensors_vector_optional_list.append(
                         f"if ({name}) amp_tensors_vector.push_back({{ *{name} }});\n"
                     )
@@ -1028,15 +1091,27 @@ class DygraphForwardFunctionGenerator(DygraphFunctionGeneratorBase):
             if IsPlainTensorType(rtype):
                 if is_inplaced and forward_inplace_map and name in forward_inplace_map.values(
                 ):
-                    returns_type_list[pos] = "paddle::experimental::Tensor&"
+                    ind = list(forward_inplace_map.values()).index(name)
+                    if list(forward_inplace_map.keys()
+                            )[ind] in self.optional_inputs:
+                        returns_type_list[pos] = inplace_optional_out_type_map[
+                            rtype]
+                    else:
+                        returns_type_list[pos] = "paddle::experimental::Tensor&"
                 else:
                     returns_type_list[pos] = "paddle::experimental::Tensor"
             else:
                 assert IsVectorTensorType(rtype)
                 if is_inplaced and forward_inplace_map and name in forward_inplace_map.values(
                 ):
-                    returns_type_list[
-                        pos] = "std::vector<paddle::experimental::Tensor>&"
+                    ind = list(forward_inplace_map.values()).index(name)
+                    if list(forward_inplace_map.keys()
+                            )[ind] in self.optional_inputs:
+                        returns_type_list[pos] = inplace_optional_out_type_map[
+                            rtype]
+                    else:
+                        returns_type_list[
+                            pos] = "std::vector<paddle::experimental::Tensor>&"
                 else:
                     returns_type_list[
                         pos] = "std::vector<paddle::experimental::Tensor>"
@@ -1052,56 +1127,64 @@ class DygraphForwardFunctionGenerator(DygraphFunctionGeneratorBase):
 
         # Node Creation Pre-Processing
         # 1. Get Input AutoGradMeta
-        inputs_autograd_meta_list = []
-        compute_require_grad_args_list = ["trace_backward"]
-        for name, (ttype, pos) in forward_inputs_position_map.items():
-            # Has corresponding grad output
-            has_corresponding_grad_output = False
-            for _, (_, corresponding_pos,
-                    _) in backward_grad_outputs_map.items():
-                if pos == corresponding_pos:
-                    has_corresponding_grad_output = True
-            if has_corresponding_grad_output or (
-                    name in forward_inplace_map
-                    and forward_api_name not in inplace_check_blacklist):
-                input_autograd_meta_name = GetAutoGradMetaName(name)
-                if IsPlainTensorType(ttype):
-                    input_autograd_meta = f"{indent}egr::AutogradMeta* {input_autograd_meta_name} = egr::EagerUtils::nullable_autograd_meta({name});"
-                else:
-                    assert IsVectorTensorType(ttype)
-                    input_autograd_meta_vec_name = GetAutoGradMetaVectorName(
-                        name)
-                    input_autograd_meta = f"{indent}std::vector<egr::AutogradMeta*> {input_autograd_meta_vec_name} = egr::EagerUtils::nullable_autograd_meta({name});\n"
-                    input_autograd_meta += f"{indent}std::vector<egr::AutogradMeta*>* {input_autograd_meta_name} = &{input_autograd_meta_vec_name};"
-                inputs_autograd_meta_list.append(input_autograd_meta)
-                compute_require_grad_args_list.append(input_autograd_meta_name)
-        inputs_autograd_meta_str = "\n".join(inputs_autograd_meta_list)
-        compute_require_grad_args_str = ",".join(compute_require_grad_args_list)
+
+        if not self.is_forward_only:
+            inputs_autograd_meta_list = []
+            compute_require_grad_args_list = ["trace_backward"]
+            for name, (ttype, pos) in forward_inputs_position_map.items():
+                # Has corresponding grad output
+                has_corresponding_grad_output = False
+                if not self.is_forward_only:
+                    for _, (_, corresponding_pos,
+                            _) in backward_grad_outputs_map.items():
+                        if pos == corresponding_pos:
+                            has_corresponding_grad_output = True
+                if has_corresponding_grad_output or (
+                        name in forward_inplace_map and forward_api_name
+                        not in inplace_check_blacklist) or self.is_forward_only:
+                    input_autograd_meta_name = GetAutoGradMetaName(name)
+                    if IsPlainTensorType(ttype):
+                        input_autograd_meta = f"{indent}egr::AutogradMeta* {input_autograd_meta_name} = egr::EagerUtils::nullable_autograd_meta({name});"
+                    else:
+                        assert IsVectorTensorType(ttype)
+                        input_autograd_meta_vec_name = GetAutoGradMetaVectorName(
+                            name)
+                        input_autograd_meta = f"{indent}std::vector<egr::AutogradMeta*> {input_autograd_meta_vec_name} = egr::EagerUtils::nullable_autograd_meta({name});\n"
+                        input_autograd_meta += f"{indent}std::vector<egr::AutogradMeta*>* {input_autograd_meta_name} = &{input_autograd_meta_vec_name};"
+                    inputs_autograd_meta_list.append(input_autograd_meta)
+                    compute_require_grad_args_list.append(
+                        input_autograd_meta_name)
+
+            inputs_autograd_meta_str = "\n".join(inputs_autograd_meta_list)
+            compute_require_grad_args_str = ",".join(
+                compute_require_grad_args_list)
 
         # 2. Get Output AutoGradMeta
-        outputs_autograd_meta_list = []
-        num_fwd_outputs = len(forward_outputs_position_map.keys())
-        for name, (rtype, pos) in forward_outputs_position_map.items():
-            output_autograd_meta_name = GetAutoGradMetaName(name)
-            output_autograd_meta_vec_name = GetAutoGradMetaVectorName(name)
-            if num_fwd_outputs == 1:
-                if IsPlainTensorType(rtype):
-                    output_autograd_meta = f"{indent}egr::AutogradMeta* {output_autograd_meta_name} = egr::EagerUtils::autograd_meta(&{name});"
-                else:
-                    assert IsVectorTensorType(rtype)
-                    output_autograd_meta = f"{indent}std::vector<egr::AutogradMeta*> {output_autograd_meta_vec_name} = egr::EagerUtils::autograd_meta(&{name});\n"
-                    output_autograd_meta += f"{indent}std::vector<egr::AutogradMeta*>* {output_autograd_meta_name} = &{output_autograd_meta_vec_name};"
-            else:
-                # Tuple api_result
-                if IsPlainTensorType(rtype):
-                    output_autograd_meta = f"{indent}egr::AutogradMeta* {output_autograd_meta_name} = egr::EagerUtils::autograd_meta(&{name});"
+        if not self.is_forward_only:
+            outputs_autograd_meta_list = []
+            num_fwd_outputs = len(forward_outputs_position_map.keys())
+
+            for name, (rtype, pos) in forward_outputs_position_map.items():
+                output_autograd_meta_name = GetAutoGradMetaName(name)
+                output_autograd_meta_vec_name = GetAutoGradMetaVectorName(name)
+                if num_fwd_outputs == 1:
+                    if IsPlainTensorType(rtype):
+                        output_autograd_meta = f"{indent}egr::AutogradMeta* {output_autograd_meta_name} = egr::EagerUtils::autograd_meta(&{name});"
+                    else:
+                        assert IsVectorTensorType(rtype)
+                        output_autograd_meta = f"{indent}std::vector<egr::AutogradMeta*> {output_autograd_meta_vec_name} = egr::EagerUtils::autograd_meta(&{name});\n"
+                        output_autograd_meta += f"{indent}std::vector<egr::AutogradMeta*>* {output_autograd_meta_name} = &{output_autograd_meta_vec_name};"
                 else:
-                    assert IsVectorTensorType(rtype)
-                    output_autograd_meta = f"{indent}std::vector<egr::AutogradMeta*> {output_autograd_meta_vec_name} = egr::EagerUtils::autograd_meta(&{name});\n"
-                    output_autograd_meta += f"{indent}std::vector<egr::AutogradMeta*>* {output_autograd_meta_name} = &{output_autograd_meta_vec_name};"
+                    # Tuple api_result
+                    if IsPlainTensorType(rtype):
+                        output_autograd_meta = f"{indent}egr::AutogradMeta* {output_autograd_meta_name} = egr::EagerUtils::autograd_meta(&{name});"
+                    else:
+                        assert IsVectorTensorType(rtype)
+                        output_autograd_meta = f"{indent}std::vector<egr::AutogradMeta*> {output_autograd_meta_vec_name} = egr::EagerUtils::autograd_meta(&{name});\n"
+                        output_autograd_meta += f"{indent}std::vector<egr::AutogradMeta*>* {output_autograd_meta_name} = &{output_autograd_meta_vec_name};"
 
-            outputs_autograd_meta_list.append(output_autograd_meta)
-        outputs_autograd_meta_str = "\n".join(outputs_autograd_meta_list)
+                outputs_autograd_meta_list.append(output_autograd_meta)
+            outputs_autograd_meta_str = "\n".join(outputs_autograd_meta_list)
 
         # 3. Check Inplace
         check_inplace_str = ""
@@ -1117,8 +1200,11 @@ class DygraphForwardFunctionGenerator(DygraphFunctionGeneratorBase):
                     inplace_name, inplace_name)
 
         # Node Creation
-        self.GenerateNodeCreationCodes()
-        node_creation_str = self.node_creation_str
+        if not self.is_forward_only:
+            self.GenerateNodeCreationCodes()
+            node_creation_str = self.node_creation_str
+        else:
+            node_creation_str = ""
 
         dygraph_event_str = f"{indent}paddle::platform::RecordEvent dygraph_entrance_record_event(\"{forward_api_name} dygraph\", paddle::platform::TracerEventType::Operator, 1);\n"
         forward_function_name = GetDygraphForwardFunctionName(forward_api_name)
@@ -1144,13 +1230,30 @@ class DygraphForwardFunctionGenerator(DygraphFunctionGeneratorBase):
                 amp_autocast_list_str, amp_call_str)
 
         # Generate forward_definition_str and forward_declaration_str
-        self.forward_definition_str += FORWARD_FUNCTION_TEMPLATE.format(
-            returns_type_str, forward_function_name, inputs_args_definition_str,
-            dygraph_event_str, amp_logic_str, inputs_autograd_meta_str,
-            forward_function_name, forward_call_str, check_nan_inf_str,
-            get_outputs_str, outputs_autograd_meta_str,
-            compute_require_grad_args_str, check_inplace_str,
-            bump_inplace_version_str, node_creation_str, returns_str)
+        if not self.is_forward_only:
+            self.forward_definition_str += FORWARD_FUNCTION_TEMPLATE.format(
+                returns_type_str, forward_function_name,
+                inputs_args_definition_str, dygraph_event_str, amp_logic_str,
+                inputs_autograd_meta_str, forward_function_name,
+                forward_call_str, check_nan_inf_str, get_outputs_str,
+                outputs_autograd_meta_str, compute_require_grad_args_str,
+                check_inplace_str, bump_inplace_version_str, node_creation_str,
+                returns_str)
+        else:
+            if (len(amp_tensors_vector_list) > 0) and (self.forward_api_name
+                                                       not in no_amp_list):
+                self.forward_definition_str += FORWARD_ONLY_FUNCTION_TEMPLATE.format(
+                    returns_type_str, forward_function_name,
+                    inputs_args_definition_str, dygraph_event_str,
+                    amp_logic_str, forward_function_name, forward_call_str,
+                    get_outputs_str, returns_str)
+            else:
+                self.forward_definition_str += FORWARD_ONLY_FUNCTION_TEMPLATE.format(
+                    returns_type_str, forward_function_name,
+                    inputs_args_definition_str, dygraph_event_str, " ",
+                    forward_function_name, forward_call_str, get_outputs_str,
+                    returns_str)
+
         self.forward_declaration_str += f"{returns_type_str} {forward_function_name}({inputs_args_declaration_str});\n"
 
     def GenerateInplacedForwardDygraphFunctions(self):
@@ -1648,11 +1751,18 @@ class DygraphForwardAndNodesGenerator(GeneratorBase):
         self.node_declaration_str = ""
         self.node_definition_str = ""
 
+    def CollectIsForwardOnly(self, forward_api_contents):
+        self.is_forward_only = False if 'backward' in forward_api_contents.keys(
+        ) else True
+
     def ParseYamlContents(self):
         self.ParseForwardYamlContents()
 
         backward_yaml_path = self.backward_yaml_path
-        self.grad_api_dict = ReadBwdFile(backward_yaml_path)
+
+        # string api is forward_only, no backward_yaml respectively
+        if backward_yaml_path is not None:
+            self.grad_api_dict = ReadBwdFile(backward_yaml_path)
 
     def GetBackwardAPIContents(self, forward_api_contents):
         grad_api_dict = self.grad_api_dict
@@ -1674,9 +1784,13 @@ class DygraphForwardAndNodesGenerator(GeneratorBase):
         for forward_api_contents in forward_api_list:
             if forward_api_contents['api'] in black_ops_list: continue
 
-            backward_api_contents = self.GetBackwardAPIContents(
-                forward_api_contents)
-            if backward_api_contents is None: continue
+            self.CollectIsForwardOnly(forward_api_contents)
+
+            if self.is_forward_only:
+                backward_api_contents = None
+            else:
+                backward_api_contents = self.GetBackwardAPIContents(
+                    forward_api_contents)
 
             # Generate Dygraph Forward Function
             function_generator = DygraphForwardFunctionGenerator(
@@ -1688,6 +1802,8 @@ class DygraphForwardAndNodesGenerator(GeneratorBase):
 
             # Generate Dygraph GradNode Function
             while True:
+                if backward_api_contents is None:
+                    break
                 next_grad_api_contents = self.GetBackwardAPIContents(
                     backward_api_contents)
 
@@ -1787,7 +1903,12 @@ if __name__ == "__main__":
 
     for i in range(len(api_yaml_paths)):
         api_yaml_path = api_yaml_paths[i]
-        backward_yaml_path = backward_yaml_paths[i]
+
+        # string api is forwrad only
+        if not api_yaml_path.endswith('strings_api.yaml'):
+            backward_yaml_path = backward_yaml_paths[i]
+        else:
+            backward_yaml_path = None
 
         generator = DygraphForwardAndNodesGenerator(api_yaml_path,
                                                     backward_yaml_path)
diff --git a/paddle/fluid/eager/auto_code_generator/final_state_generator/python_c_gen.py b/paddle/fluid/eager/auto_code_generator/final_state_generator/python_c_gen.py
index 7c2c377d8e69cd7148e2d541e7b2e2ca91f4ca49..4d5f5c9d61e802ec0933518b08107b5b6b17b76f 100644
--- a/paddle/fluid/eager/auto_code_generator/final_state_generator/python_c_gen.py
+++ b/paddle/fluid/eager/auto_code_generator/final_state_generator/python_c_gen.py
@@ -51,20 +51,6 @@ atype_to_parsing_function = {
     "paddle::experimental::DataType": "CastPyArg2DataType",
 }
 
-# This list contains ops that do not need to generate amp logic
-# All optimizer ops in this list
-no_amp_list = [
-    'adam_', 'adam', 'adamw_', 'adamw', 'average_accumulates',
-    'average_accumulates_', 'decayed_adagrad_', 'decayed_adagrad',
-    'dgc_momentum_', 'dgc_momentum', 'distributed_fused_lamb_',
-    'distributed_fused_lamb', 'dpsgd_', 'dpsgd', 'ftrl_', 'ftrl', 'lamb_',
-    'lamb', 'lars_momentum_', 'lars_momentum', 'merged_adam_', 'merged_adam',
-    'merged_momentum_', 'merged_momentum', 'momentum_', 'momentum',
-    'proximal_adagrad_', 'proximal_adagrad', 'proximal_gd_', 'proximal_gd',
-    'rmsprop_', 'rmsprop', 'sgd_', 'sgd', 'lamb_', 'lamb', 'assign_value_',
-    'sparse_momentum_', 'sparse_momentum', 'full_'
-]
-
 
 def FindParsingFunctionFromAttributeType(atype):
     if atype not in atype_to_parsing_function.keys():
@@ -131,41 +117,6 @@ static PyObject * eager_final_state_api_{}(PyObject *self, PyObject *args, PyObj
 
 NOAMP_DYGRAPH_FUNCTION_TEMPLATE = "decltype({}({})) out = {}({});\n"
 
-AMP_DYGRAPH_FUNCTION_TEMPLATE = \
-"""
-    decltype({}({})) out;
-    // AMP Logic
-    if (egr::Controller::Instance().GetAMPLevel() != paddle::imperative::AmpLevel::O0) {{
-        VLOG(5) << "Check and Prepare For AMP";
-        {}
-        paddle::small_vector<std::vector<paddle::experimental::Tensor>, egr::kSlotSmallVectorSize> amp_tensors_vector = {};
-        {}
-        {}
-        {}
-        out = {}({});
-    }} else {{
-        out = {}({});
-    }}
-"""
-
-INPLACE_AMP_DYGRAPH_FUNCTION_TEMPLATE = \
-"""
-    using result_type = decltype({}({}));
-    std::unique_ptr<result_type> out_ptr;
-    // AMP Logic
-    if (egr::Controller::Instance().GetAMPLevel() != paddle::imperative::AmpLevel::O0) {{
-        VLOG(5) << "Check and Prepare For AMP";
-        {}
-        paddle::small_vector<std::vector<paddle::experimental::Tensor>, egr::kSlotSmallVectorSize> amp_tensors_vector = {};
-        {}
-        {}
-        {}
-        out_ptr = std::make_unique<result_type>({}({}));
-    }} else {{
-        out_ptr = std::make_unique<result_type>({}({}));
-    }}
-    result_type& out = *out_ptr;
-"""
 
 FUNCTION_SET_DEVICE_TEMPLATE = \
 """{}    if (paddle::platform::is_gpu_place(place)) {{
@@ -405,23 +356,15 @@ class PythonCSingleFunctionGenerator(FunctionGeneratorBase):
         num_args = len(
             forward_inputs_position_map.keys()) + len(orig_forward_attrs_list)
         dygraph_function_call_list = ["" for i in range(num_args)]
-        amp_dygraph_function_call_list = ["" for i in range(num_args)]
         for name, (_, pos) in forward_inputs_position_map.items():
             dygraph_function_call_list[pos] = f"{name}"
-            amp_dygraph_function_call_list[pos] = f"NEW_{name}"
         for name, _, _, pos in orig_forward_attrs_list:
             dygraph_function_call_list[pos] = f"{name}"
-            amp_dygraph_function_call_list[pos] = f"{name}"
         dygraph_function_call_str = ",".join(dygraph_function_call_list)
-        amp_dygraph_function_call_str = ",".join(amp_dygraph_function_call_list)
 
         # Generate Python-C Function Definitions
-        if is_forward_only:
-            fwd_function_name = FUNCTION_NAME_TEMPLATE.format(
-                "paddle::experimental::", namespace, forward_api_name)
-        else:
-            fwd_function_name = FUNCTION_NAME_TEMPLATE.format(
-                "::", namespace, GetForwardFunctionName(forward_api_name))
+        fwd_function_name = FUNCTION_NAME_TEMPLATE.format(
+            "::", namespace, GetForwardFunctionName(forward_api_name))
 
         return_str = "    return ToPyObject(out);"
 
@@ -429,82 +372,15 @@ class PythonCSingleFunctionGenerator(FunctionGeneratorBase):
         pythonc_record_event_str = RECORD_EVENT_TEMPLATE.format(
             "pythonc_record_event", forward_api_name, "pybind_imperative_func")
 
-        # Forward amp logic
-        amp_tensors_vector_list = []
-        amp_tensors_vector_optional_list = []
-        amp_autocast_list = []
-        amp_autocast_optional_list = []
-
-        for name, (ttype, pos) in forward_inputs_position_map.items():
-            is_optional = (name in optional_inputs)
-            if IsVectorTensorType(ttype):
-                if is_optional:
-                    amp_tensors_vector_optional_list.append(
-                        f"if ({name}.is_initialized()) amp_tensors_vector.push_back({name}.get());\n"
-                    )
-                    amp_autocast_optional_list.append(
-                        f"auto NEW_{name} = {name}.is_initialized() ? egr::EagerAmpAutoCast(\"{name}\", {name}, amp_dst_dtype, op_name, false) : {name};\n"
-                    )
-                else:
-                    amp_tensors_vector_list.append(f"{name}")
-                    amp_autocast_list.append(
-                        f"auto NEW_{name} = egr::EagerAmpAutoCasts(\"{name}\", {name}, amp_dst_dtype, op_name, false);\n"
-                    )
-            else:
-                if is_optional:
-                    amp_tensors_vector_optional_list.append(
-                        f"if ({name}.is_initialized()) amp_tensors_vector.push_back({{{name}.get()}});\n"
-                    )
-                    amp_autocast_optional_list.append(
-                        f"auto NEW_{name} = {name}.is_initialized() ? egr::EagerAmpAutoCast(\"{name}\", {name}, amp_dst_dtype, op_name, false) : {name};\n"
-                    )
-                else:
-                    if forward_inplace_map and name in forward_inplace_map.keys(
-                    ):
-                        amp_tensors_vector_list.append(f"{{{name}}}")
-                        amp_autocast_list.append(
-                            f"auto NEW_{name} = egr::EagerAmpAutoCast(\"{name}\", {name}, amp_dst_dtype, op_name, false);\n"
-                        )
-                    else:
-                        amp_tensors_vector_list.append(f"{{{name}}}")
-                        amp_autocast_list.append(
-                            f"auto NEW_{name} = egr::EagerAmpAutoCast(\"{name}\", {name}, amp_dst_dtype, op_name, false);\n"
-                        )
-        amp_tensors_vector_list_str = "{ " + ",".join(
-            amp_tensors_vector_list) + " }"
-        amp_tensors_vector_optional_list_str = "".join(
-            amp_tensors_vector_optional_list)
-        amp_autocast_list_str = "    ".join(
-            amp_autocast_list) + "        " + "    ".join(
-                amp_autocast_optional_list)
-
-        kernel_trans2_op_name_str = f"auto op_name = phi::TransToFluidOpName(\"{forward_api_name}\");"
-        amp_get_dst_dtype_str = f"auto amp_dst_dtype = egr::GetAmpDestDtype(op_name, amp_tensors_vector);\n"
-
         noamp_dygraph_function_str = NOAMP_DYGRAPH_FUNCTION_TEMPLATE.format(
             fwd_function_name, dygraph_function_call_str, fwd_function_name,
             dygraph_function_call_str)
 
-        amp_dygraph_function_str = AMP_DYGRAPH_FUNCTION_TEMPLATE.format(
-            fwd_function_name, dygraph_function_call_str,
-            kernel_trans2_op_name_str, amp_tensors_vector_list_str,
-            amp_tensors_vector_optional_list_str, amp_get_dst_dtype_str,
-            amp_autocast_list_str, fwd_function_name,
-            amp_dygraph_function_call_str, fwd_function_name,
-            dygraph_function_call_str)
-
         # Generate Python-C Function Definetion
-        if (is_forward_only) and (len(amp_tensors_vector_list) >
-                                  0) and (forward_api_name not in no_amp_list):
-            self.python_c_function_str = PYTHON_C_FUNCTION_TEMPLATE.format(
-                forward_api_name, pythonc_record_event_str, forward_api_name,
-                get_eager_tensor_str, parse_attributes_str, set_device_str,
-                amp_dygraph_function_str, return_str)
-        else:
-            self.python_c_function_str = PYTHON_C_FUNCTION_TEMPLATE.format(
-                forward_api_name, pythonc_record_event_str, forward_api_name,
-                get_eager_tensor_str, parse_attributes_str, set_device_str,
-                noamp_dygraph_function_str, return_str)
+        self.python_c_function_str = PYTHON_C_FUNCTION_TEMPLATE.format(
+            forward_api_name, pythonc_record_event_str, forward_api_name,
+            get_eager_tensor_str, parse_attributes_str, set_device_str,
+            noamp_dygraph_function_str, return_str)
 
         # Set prefix of forward_api_name to avoid conflicts
         prefix = self.namespace.strip("::")
@@ -518,27 +394,14 @@ class PythonCSingleFunctionGenerator(FunctionGeneratorBase):
         if forward_inplace_map:
             inplaced_forward_api_name = GetInplacedFunctionName(
                 self.forward_api_name)
-            if is_forward_only:
-                inplaced_fwd_function_name = FUNCTION_NAME_TEMPLATE.format(
-                    "paddle::experimental::", namespace,
-                    inplaced_forward_api_name)
-            else:
-                inplaced_fwd_function_name = FUNCTION_NAME_TEMPLATE.format(
-                    "::", namespace,
-                    GetForwardFunctionName(inplaced_forward_api_name))
+            inplaced_fwd_function_name = FUNCTION_NAME_TEMPLATE.format(
+                "::", namespace,
+                GetForwardFunctionName(inplaced_forward_api_name))
 
             inplace_noamp_dygraph_function_str = NOAMP_DYGRAPH_FUNCTION_TEMPLATE.format(
                 inplaced_fwd_function_name, dygraph_function_call_str,
                 inplaced_fwd_function_name, dygraph_function_call_str)
 
-            inplace_amp_dygraph_function_str = INPLACE_AMP_DYGRAPH_FUNCTION_TEMPLATE.format(
-                inplaced_fwd_function_name, dygraph_function_call_str,
-                kernel_trans2_op_name_str, amp_tensors_vector_list_str,
-                amp_tensors_vector_optional_list_str, amp_get_dst_dtype_str,
-                amp_autocast_list_str, inplaced_fwd_function_name,
-                amp_dygraph_function_call_str, inplaced_fwd_function_name,
-                dygraph_function_call_str)
-
             return_str = "    std::map<ssize_t, ssize_t> inplace_var_idx_map;"
             for inplace_input, inplace_output in forward_inplace_map.items():
                 return_str += RETURN_INPLACE_PYOBJECT_TEMPLATE.format(
@@ -547,19 +410,11 @@ class PythonCSingleFunctionGenerator(FunctionGeneratorBase):
             return_str += "    return ToPyObject(out, args, inplace_var_idx_map);"
 
             # Generate Python-C Function Definetion
-            if (is_forward_only) and (len(amp_tensors_vector_list) > 0) and (
-                    inplaced_forward_api_name not in no_amp_list):
-                python_c_inplace_func_str = PYTHON_C_FUNCTION_TEMPLATE.format(
-                    inplaced_forward_api_name, pythonc_record_event_str,
-                    inplaced_forward_api_name, get_eager_tensor_str,
-                    parse_attributes_str, set_device_str,
-                    inplace_amp_dygraph_function_str, return_str)
-            else:
-                python_c_inplace_func_str = PYTHON_C_FUNCTION_TEMPLATE.format(
-                    inplaced_forward_api_name, pythonc_record_event_str,
-                    inplaced_forward_api_name, get_eager_tensor_str,
-                    parse_attributes_str, set_device_str,
-                    inplace_noamp_dygraph_function_str, return_str)
+            python_c_inplace_func_str = PYTHON_C_FUNCTION_TEMPLATE.format(
+                inplaced_forward_api_name, pythonc_record_event_str,
+                inplaced_forward_api_name, get_eager_tensor_str,
+                parse_attributes_str, set_device_str,
+                inplace_noamp_dygraph_function_str, return_str)
 
             python_c_inplace_func_reg_str = PYTHON_C_FUNCTION_REG_TEMPLATE.format(
                 forward_api_name_prefix, inplaced_forward_api_name, namespace,
diff --git a/paddle/phi/api/yaml/api.yaml b/paddle/phi/api/yaml/api.yaml
index 12ea231a939d1b2500d58a18bb7116fe371dd931..fae468fdd766b8911de665d8a45bc014122e0901 100644
--- a/paddle/phi/api/yaml/api.yaml
+++ b/paddle/phi/api/yaml/api.yaml
@@ -9,7 +9,7 @@
 
 - api : bernoulli
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : UnchangedInferMeta
   kernel :
diff --git a/paddle/phi/api/yaml/legacy_api.yaml b/paddle/phi/api/yaml/legacy_api.yaml
index 8854a1dea213566cf0db822286a2c3696d75f5aa..4213775f27c902bda0f6b49697478ddc02a381cc 100755
--- a/paddle/phi/api/yaml/legacy_api.yaml
+++ b/paddle/phi/api/yaml/legacy_api.yaml
@@ -184,7 +184,7 @@
 
 - api : arange
   args : (Tensor start, Tensor end, Tensor step, DataType dtype, Place place={})
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ArangeInferMeta
     param : [start, end, step]
@@ -199,7 +199,7 @@
 # arg_max
 - api : argmax
   args : (Tensor x, int64_t axis, bool keepdims, bool flatten, int dtype)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ArgMinMaxInferMeta
   kernel :
@@ -208,7 +208,7 @@
 # arg_min
 - api : argmin
   args : (Tensor x, int64_t axis, bool keepdims, bool flatten, int dtype)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ArgMinMaxInferMeta
   kernel :
@@ -366,7 +366,7 @@
 # bitwise_and
 - api : bitwise_and
   args : (Tensor x, Tensor y)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ElementwiseInferMeta
   kernel :
@@ -375,7 +375,7 @@
 # bitwise_not
 - api : bitwise_not
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : UnchangedInferMeta
   kernel :
@@ -384,7 +384,7 @@
 # bitwise_or
 - api : bitwise_or
   args : (Tensor x, Tensor y)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ElementwiseInferMeta
   kernel :
@@ -393,7 +393,7 @@
 # bitwise_xor
 - api : bitwise_xor
   args : (Tensor x, Tensor y)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ElementwiseInferMeta
   kernel :
@@ -557,7 +557,7 @@
 
 - api : copy_to
   args : (Tensor x, Place place, bool blocking)
-  output : Tensor
+  output : Tensor(out)
   invoke : copy_to_impl(x, place, blocking)
 
 # cos
@@ -672,7 +672,7 @@
 
 - api : diag_embed
   args : (Tensor x, int offset, int dim1, int dim2)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : DiagEmbedInferMeta
   kernel :
@@ -720,7 +720,7 @@
 
 - api : eigvals
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : EigvalsInferMeta
   kernel :
@@ -773,7 +773,7 @@
 
 - api : empty
   args : (IntArray shape, DataType dtype=DataType::FLOAT32, Place place=CPUPlace())
-  output: Tensor
+  output: Tensor(out)
   infer_meta :
     func : CreateInferMeta
     param : [shape, dtype]
@@ -785,7 +785,7 @@
 
 - api : empty_like
   args : (Tensor x, DataType dtype = DataType::UNDEFINED, Place place = {})
-  output: Tensor
+  output: Tensor(out)
   infer_meta :
     func : CreateLikeInferMeta
     param : [x, dtype]
@@ -797,7 +797,7 @@
 
 - api : equal
   args : (Tensor x, Tensor y, int axis = -1)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : CompareInferMeta
   kernel :
@@ -805,7 +805,7 @@
 
 - api : equal_all
   args : (Tensor x, Tensor y)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : CompareAllInferMeta
   kernel :
@@ -986,7 +986,7 @@
 
 - api : full
   args : (IntArray shape, Scalar value, DataType dtype=DataType::FLOAT32, Place place=CPUPlace())
-  output: Tensor
+  output: Tensor(out)
   infer_meta :
     func : CreateInferMeta
     param : [shape, dtype]
@@ -1012,7 +1012,7 @@
 
 - api : full_batch_size_like
   args : (Tensor input, int[] shape, DataType dtype, Scalar value, int input_dim_idx, int output_dim_idx, Place place=CPUPlace())
-  output: Tensor
+  output: Tensor(out)
   infer_meta :
     func : FullBatchSizeLikeInferMeta
     param : [input, shape, value, dtype, input_dim_idx, output_dim_idx]
@@ -1024,7 +1024,7 @@
 
 - api : full_like
   args : (Tensor x, Scalar value, DataType dtype = DataType::UNDEFINED, Place place = {})
-  output: Tensor
+  output: Tensor(out)
   infer_meta :
     func : CreateLikeInferMeta
     param : [x, dtype]
@@ -1058,7 +1058,7 @@
 
 - api : gather_tree
   args : (Tensor ids, Tensor parents)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : GatherTreeMeta
   kernel :
@@ -1066,7 +1066,7 @@
 
 - api : gaussian_random
   args : (IntArray shape, float mean, float std, int seed, DataType dtype, Place place={})
-  output: Tensor
+  output: Tensor(out)
   infer_meta :
     func : GaussianRandomInferMeta
     param : [shape, mean, std, seed, dtype]
@@ -1118,7 +1118,7 @@
 
 - api : greater_equal
   args : (Tensor x, Tensor y, int axis = -1)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : CompareInferMeta
   kernel :
@@ -1126,7 +1126,7 @@
 
 - api : greater_than
   args : (Tensor x, Tensor y, int axis = -1)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : CompareInferMeta
   kernel :
@@ -1211,7 +1211,7 @@
 # histogram
 - api : histogram
   args : (Tensor x, int64_t bins, int min, int max)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : HistogramInferMeta
   kernel :
@@ -1238,7 +1238,7 @@
 # increment
 - api : increment
   args : (Tensor x, float value)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : IncrementInferMeta
   kernel :
@@ -1288,7 +1288,7 @@
 # is_empty
 - api : is_empty
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : IsEmptyInferMeta
   kernel :
@@ -1306,7 +1306,7 @@
 # isfinite
 - api : isfinite
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : IsfiniteInferMeta
   kernel :
@@ -1316,7 +1316,7 @@
 # isinf
 - api : isinf
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : IsfiniteInferMeta
   kernel :
@@ -1326,7 +1326,7 @@
 # isnan
 - api : isnan
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : IsfiniteInferMeta
   kernel :
@@ -1419,7 +1419,7 @@
 
 - api : less_equal
   args : (Tensor x, Tensor y, int axis = -1)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : CompareInferMeta
   kernel :
@@ -1427,7 +1427,7 @@
 
 - api : less_than
   args : (Tensor x, Tensor y, int axis = -1)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : CompareInferMeta
   kernel :
@@ -1446,7 +1446,7 @@
 
 - api : linspace
   args : (Tensor start, Tensor stop, Tensor number, DataType dtype)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : LinspaceInferMeta
   kernel :
@@ -1520,7 +1520,7 @@
 # logical_and
 - api : logical_and
   args : (Tensor x, Tensor y)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ElementwiseInferMeta
   kernel :
@@ -1529,7 +1529,7 @@
 # logical_not
 - api : logical_not
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : UnchangedInferMeta
   kernel :
@@ -1538,7 +1538,7 @@
 # logical_or
 - api : logical_or
   args : (Tensor x, Tensor y)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ElementwiseInferMeta
   kernel :
@@ -1547,7 +1547,7 @@
 # logical_xor
 - api : logical_xor
   args : (Tensor x, Tensor y)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ElementwiseInferMeta
   kernel :
@@ -1827,7 +1827,7 @@
 # multinomial
 - api : multinomial
   args : (Tensor x, int num_samples, bool replacement)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : MultinomialInferMeta
   kernel :
@@ -1895,7 +1895,7 @@
 
 - api : not_equal
   args : (Tensor x, Tensor y, int axis = -1)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : CompareInferMeta
   kernel :
@@ -1903,7 +1903,7 @@
 
 - api : one_hot
   args : (Tensor x, Scalar(int) num_classes)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : OneHotInferMeta
   kernel :
@@ -1911,12 +1911,12 @@
 
 - api : ones
   args : (IntArray shape, DataType dtype=DataType::FLOAT32, Place place=CPUPlace())
-  output : Tensor
+  output : Tensor(out)
   invoke : full(shape, 1, dtype, place)
 
 - api : ones_like
   args : (Tensor x, DataType dtype=DataType::UNDEFINED, Place place={})
-  output : Tensor
+  output : Tensor(out)
   invoke : full_like(x, 1, dtype, place)
 
 - api : p_norm
@@ -2061,7 +2061,7 @@
 
 - api : randperm
   args : (int n, DataType dtype, Place place={})
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : RandpermInferMeta
     param : [n, dtype]
@@ -2322,7 +2322,7 @@
 
 - api : shape
   args : (Tensor input)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ShapeInferMeta
   kernel :
@@ -2334,7 +2334,7 @@
 # shard_index
 - api : shard_index
   args : (Tensor in, int index_num, int nshards, int shard_id, int ignore_value)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : ShardIndexInferMeta
   kernel :
@@ -2362,7 +2362,7 @@
 
 - api : sign
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : UnchangedInferMeta
   kernel :
@@ -2401,7 +2401,7 @@
 # size
 - api : size
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(size)
   infer_meta :
     func : SizeInferMeta
   kernel :
@@ -2716,7 +2716,7 @@
 # python API: paddle.nn.initializer.TruncatedNormal
 - api : truncated_gaussian_random
   args : (int[] shape, float mean, float std, int seed, DataType dtype=DataType::FLOAT32, Place place={})
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : TruncatedGaussianRandomInferMeta
     param : [shape, mean, std, seed, dtype]
@@ -2831,7 +2831,7 @@
 # where_index
 - api : where_index
   args : (Tensor condition)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : WhereIndexInferMeta
   kernel :
@@ -2861,12 +2861,12 @@
 
 - api : zeros
   args : (IntArray shape, DataType dtype=DataType::FLOAT32, Place place=CPUPlace())
-  output : Tensor
+  output : Tensor(out)
   invoke : full(shape, 0, dtype, place)
 
 - api : zeros_like
   args : (Tensor x, DataType dtype=DataType::UNDEFINED, Place place = {})
-  output : Tensor
+  output : Tensor(out)
   invoke : full_like(x, 0, dtype, place)
 
 - api: broadcast_tensors
@@ -2881,7 +2881,7 @@
 # dirichlet
 - api: dirichlet
   args: (Tensor alpha)
-  output: Tensor
+  output: Tensor(out)
   infer_meta:
     func: DirichletInferMeta
   kernel: