From f59599a3dd46def0215d441ddfb023c3ec3d2632 Mon Sep 17 00:00:00 2001
From: fengjiayi <fengjiayi@baidu.com>
Date: Tue, 16 Jan 2018 14:39:14 +0800
Subject: [PATCH] refine elementwise_add_op

---
 paddle/operators/elementwise_add_op.h | 34 +--------------------------
 1 file changed, 1 insertion(+), 33 deletions(-)

diff --git a/paddle/operators/elementwise_add_op.h b/paddle/operators/elementwise_add_op.h
index 6478e1e0c2e..a8389429f26 100644
--- a/paddle/operators/elementwise_add_op.h
+++ b/paddle/operators/elementwise_add_op.h
@@ -28,39 +28,7 @@ template <typename DeviceContext, typename T>
 class ElementwiseAddKernel : public framework::OpKernel<T> {
  public:
   void Compute(const framework::ExecutionContext& ctx) const override {
-    using Tensor = framework::Tensor;
-
-    auto* x = ctx.Input<Tensor>("X");
-    auto* y = ctx.Input<Tensor>("Y");
-    auto* z = ctx.Output<Tensor>("Out");
-    z->mutable_data<T>(ctx.GetPlace());
-    TransformFunctor<AddFunctor<T>, T, DeviceContext> functor(
-        x, y, z, ctx.template device_context<DeviceContext>(), AddFunctor<T>());
-
-    auto x_dims = x->dims();
-    auto y_dims = y->dims();
-    PADDLE_ENFORCE_GE(x_dims.size(), y_dims.size(),
-                      "Rank of first input must >= rank of second input.");
-
-    if (x_dims == y_dims) {
-      functor.Run();
-      return;
-    }
-
-    int axis = ctx.Attr<int>("axis");
-    axis = (axis == -1 ? x_dims.size() - y_dims.size() : axis);
-    PADDLE_ENFORCE(axis >= 0 && axis < x_dims.size(),
-                   "Axis should be in range [0, x_dims)");
-
-    int pre, n, post;
-    get_mid_dims(x_dims, y_dims, axis, pre, n, post);
-    if (post == 1) {
-      functor.RunRowWise(n, pre);
-      return;
-    } else {
-      functor.RunMidWise(n, pre, post);
-      return;
-    }
+    ElementwiseComputeEx<AddFunctor<T>, DeviceContext, T>(ctx);
   }
 };
 
-- 
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