paddle::Tensor pow_ad_func(const paddle::Tensor& x, paddle::experimental::Scalar y) {
...
 // Get Input AutoGradMeta
 egr::AutogradMeta* x_autograd_meta = egr::EagerUtils::nullable_autograd_meta(x);
...
 // Forward API Call
 auto api_result = paddle::experimental::pow(x, y);
...
...
 // Get Outputs
 auto& out = api_result;
 // Get Output AutoGradMeta
 egr::AutogradMeta* out_autograd_meta = egr::EagerUtils::autograd_meta(&out);
 bool trace_backward = egr::Controller::Instance().HasGrad();
 bool require_any_grad = egr::EagerUtils::ComputeRequireGrad(trace_backward,x_autograd_meta);
 // Check Inplace if needed
 // Node Creation
 if(require_any_grad) {
...
   // Node Construction
   auto grad_node = std::shared_ptr<PowGradNode>(new PowGradNode(1, 1));
   // Set for forward trace
 if (FLAGS_check_nan_inf) {
   grad_node->SetForwardTrace(egr::Controller::Instance().GetPythonStack());
 }
   // SetAttributes if needed
   grad_node->SetAttributefactor(factor);
   // Set TensorWrappers for Forward Inputs if needed
   grad_node->SetTensorWrapperx(x);
   // SetGradOutMeta & SetEdges
   grad_node->SetGradOutMeta(x, 0);
   // SetOutRank & SetHistory & SetGradInMeta
   if (out_autograd_meta) {
     egr::EagerUtils::SetOutRankWithSlot(out_autograd_meta, 0);
   }
   if (out_autograd_meta) {
     egr::EagerUtils::SetHistory(out_autograd_meta, grad_node);
   }
   grad_node->SetGradInMeta(out, 0);
   // Set TensorWrappers for Forward Outputs if needed
 }

paddle::Tensor pow_ad_func(const paddle::Tensor& x, paddle::experimental::Scalar y) {
...
  // Get Input AutoGradMeta
  egr::AutogradMeta* x_autograd_meta = egr::EagerUtils::nullable_autograd_meta(x);
  bool trace_backward = egr::Controller::Instance().HasGrad();
  bool require_any_grad = egr::EagerUtils::ComputeRequireGrad(trace_backward,x_autograd_meta);
  // Node Declaration
  std::shared_ptr<PowGradNode> grad_node;
  // Set grad_node before API Call
  if(require_any_grad) {
    paddle::platform::RecordEvent node_creation_record_event("pow node_creation", paddle::platform::TracerEventType::OperatorInner, 1);
    // Node Construction
    grad_node = std::shared_ptr<PowGradNode>(new PowGradNode(1, 1));
    // Set for forward trace
  if (FLAGS_check_nan_inf) {
    grad_node->SetForwardTrace(egr::Controller::Instance().GetPythonStack());
  }
    // SetAttributes if needed
    grad_node->SetAttributey(y);
    // Set TensorWrappers for Forward Inputs if needed
    grad_node->SetTensorWrapperx(x);
  }
 // Forward API Call
  auto api_result = paddle::experimental::pow(x, y);
...
  // Get Outputs
  auto& out = api_result;
  // Get Output AutoGradMeta
  egr::AutogradMeta* out_autograd_meta = egr::EagerUtils::autograd_meta(&out);
...
  // Set grad_node after API call
  if(require_any_grad) {
    egr::EagerUtils::PassStopGradient(false,out_autograd_meta);
    // SetGradOutMeta & SetEdges
    grad_node->SetGradOutMeta(x, 0);
    // SetOutRank & SetHistory & SetGradInMeta
    if (out_autograd_meta) {
      egr::EagerUtils::SetOutRankWithSlot(out_autograd_meta, 0);
    }
    if (out_autograd_meta) {
      egr::EagerUtils::SetHistory(out_autograd_meta, grad_node);
    }
    grad_node->SetGradInMeta(out, 0);
    // Set TensorWrappers for Forward Outputs if needed
  }
  VLOG(4) << "Finish AD API: pow";`

paddle::Tensor pow__ad_func(const paddle::Tensor& x, paddle::experimental::Scalar y) {
...
  // Set grad_node before API Call
  if(require_any_grad) {
    paddle::platform::RecordEvent node_creation_record_event("pow node_creation", paddle::platform::TracerEventType::OperatorInner, 1);
    // Node Construction
    grad_node = std::shared_ptr<PowGradNode>(new PowGradNode(1, 1));
    // Set for forward trace
  if (FLAGS_check_nan_inf) {
    grad_node->SetForwardTrace(egr::Controller::Instance().GetPythonStack());
  }
    // SetAttributes if needed
    grad_node->SetAttributey(y);
    // Set TensorWrappers for Forward Inputs if needed
    auto x_clone = paddle::experimental::assign(x);
    grad_node->SetTensorWrapperx(x_clone);
  }
 // Forward API Call
  auto api_result = paddle::experimental::pow(x, y);
  // Check NaN and Inf if needed
  // Get Outputs
  auto& out = api_result;
...