From 4151d90c16196735aa2a44d54f4d8a56a84288b2 Mon Sep 17 00:00:00 2001
From: liuwei1031 <46661762+liuwei1031@users.noreply.github.com>
Date: Sun, 23 Jun 2019 18:22:14 +0800
Subject: [PATCH] improve the hint message of memory optimize, test=develop
 (#18260)

---
 python/paddle/fluid/compiler.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/python/paddle/fluid/compiler.py b/python/paddle/fluid/compiler.py
index 87a6ce0881f..f8674f79a7f 100644
--- a/python/paddle/fluid/compiler.py
+++ b/python/paddle/fluid/compiler.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 import multiprocessing
 import os
 import six
@@ -215,7 +214,8 @@ class CompiledProgram(object):
                 self._build_strategy.enable_inplace = False
             elif not self._build_strategy.memory_optimize or not self._build_strategy.enable_inplace:
                 # remind the user to try our memmory optimize strategy
-                logging.warn("""
+                six.print_(
+                    """
      You can try our memory optimize feature to save your memory usage:
          # create a build_strategy variable to set memory optimize option
          build_strategy = compiler.BuildStrategy()
@@ -236,7 +236,8 @@ class CompiledProgram(object):
          # if you need to fetch conv1, then:
          conv1.persistable = True
 
-                 """)
+                 """,
+                    file=sys.stderr)
 
         return self
 
-- 
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