gather_op modified

8 years ago · f6bffd4e1f
parent 2a42a73db1
commit f6bffd4e1f
1 changed files with 4 additions and 2 deletions
--- a/paddle/operators/gather_op.cc
+++ b/paddle/operators/gather_op.cc
@ -51,8 +51,10 @@ Y = X[Index]
 class GatherGradOp : public framework::OperatorWithKernel {
 protected:
  void InferShape(const framework::InferShapeContext &ctx) const override {
-    ctx.Output<Tensor>("X" + framework::kGradVarSuffix)
-        ->Resize(ctx.Input<Tensor>("X")->dims());
+    auto X_grad = ctx.Output<Tensor>(framework::GradVarName("X"));
+    auto X = ctx.Input<Tensor>("X");
+
+    X_grad->Resize(X->dims());
  }
 };