From 1f757f5f70a02b4b04bf889b20eaf18b0e3159d1 Mon Sep 17 00:00:00 2001
From: QI JUN <qijun1994@hotmail.com>
Date: Tue, 13 Mar 2018 11:11:39 +0800
Subject: [PATCH] remove unnecessary build graph logic (#8896)

* fix mac build error

* remove unnecessary build graph
---
 python/paddle/fluid/memory_optimization_transpiler.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/python/paddle/fluid/memory_optimization_transpiler.py b/python/paddle/fluid/memory_optimization_transpiler.py
index e6e98cbfec..41d1eca82e 100644
--- a/python/paddle/fluid/memory_optimization_transpiler.py
+++ b/python/paddle/fluid/memory_optimization_transpiler.py
@@ -148,7 +148,6 @@ class ControlFlowGraph(object):
                 self._skip_opt.update(op.output_arg_names())
 
     def release_memory(self):
-        self._build_graph()
         self._dataflow_analyze()
         self._update_skip_opt_set()
         fwd_id = 0
@@ -187,7 +186,6 @@ class ControlFlowGraph(object):
                     return True
             return False
 
-        self._build_graph()
         self._dataflow_analyze()
         self._update_skip_opt_set()
         self.pool = []
-- 
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