From 34a440fa646ea9627efc2be27c6efbb51642dfe2 Mon Sep 17 00:00:00 2001
From: Yang Yu <yuyang18@baidu.com>
Date: Thu, 29 Mar 2018 17:26:49 +0800
Subject: [PATCH] Revert "make append activation in place by default (#9417)"

This reverts commit ce16400daedfa8f793d20d44081db7f417af693a.
---
 python/paddle/fluid/layer_helper.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/python/paddle/fluid/layer_helper.py b/python/paddle/fluid/layer_helper.py
index 4341e065968..d771837fc54 100644
--- a/python/paddle/fluid/layer_helper.py
+++ b/python/paddle/fluid/layer_helper.py
@@ -398,6 +398,7 @@ class LayerHelper(object):
             return input_var
         if isinstance(act, basestring):
             act = {'type': act}
+        tmp = self.create_tmp_variable(dtype=input_var.dtype)
 
         if 'use_mkldnn' in self.kwargs:
             act['use_mkldnn'] = self.kwargs.get('use_mkldnn')
@@ -407,9 +408,9 @@ class LayerHelper(object):
         self.append_op(
             type=act_type,
             inputs={"X": [input_var]},
-            outputs={"Out": [input_var]},
+            outputs={"Out": [tmp]},
             attrs=act)
-        return input_var
+        return tmp
 
     def _get_default_initializer(self, dtype):
         if dtype is None or dtype_is_floating(dtype) is True:
-- 
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