Remove checking 'numel' of 'X' and 'Y'

paddle/operators/compare_op.cc

@@ -58,8 +58,8 @@ class CompareOpInferShape : public framework::InferShapeBase {
                    comment.type);
     auto dim_x = context->GetInputDim("X");
     auto dim_y = context->GetInputDim("Y");
-    PADDLE_ENFORCE_EQ(framework::product(dim_x), framework::product(dim_y),
-                      "The number of elements in X and Y should be same");
+    PADDLE_ENFORCE_GE(dim_x.size(), dim_y.size(),
+                      "The size of dim_y should not be greater than dim_x's.");
 
     context->SetOutputDim("Out", context->GetInputDim("X"));
     context->ShareLoD("X", "Out");