From d2bd6f45cb82531eff7ce7e64360d75e351c643d Mon Sep 17 00:00:00 2001
From: dongzhihong <dzhwinter@gmail.com>
Date: Mon, 2 Oct 2017 15:07:02 -0700
Subject: [PATCH] "replace add with sum"

---
 paddle/framework/backward.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/framework/backward.cc b/paddle/framework/backward.cc
index fbacfeed9..35759f8e7 100644
--- a/paddle/framework/backward.cc
+++ b/paddle/framework/backward.cc
@@ -159,7 +159,7 @@ static std::unique_ptr<OperatorBase> BackwardRecursive(
         insert_position.push_back(
             {dup_op.back(),
              OpRegistry::CreateOp(
-                 "add", {{"X", {insert_add_x}}, {"Y", {insert_add_y}}},
+                 "add", {{"X", {insert_add_x}}, {"X", {insert_add_y}}},
                  {{"Out", {insert_add_out}}}, {})});
       }
     }
-- 
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