From 111bde9725cf294abc66ba26499ec1413cb7ec70 Mon Sep 17 00:00:00 2001
From: qiaolongfei <qiaolongfei@baidu.com>
Date: Tue, 7 Aug 2018 15:44:13 +0800
Subject: [PATCH] add warning to dist lookup table optimizer

---
 python/paddle/fluid/transpiler/distribute_transpiler.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/python/paddle/fluid/transpiler/distribute_transpiler.py b/python/paddle/fluid/transpiler/distribute_transpiler.py
index 2dc0bda12eb..b0a100e1db3 100644
--- a/python/paddle/fluid/transpiler/distribute_transpiler.py
+++ b/python/paddle/fluid/transpiler/distribute_transpiler.py
@@ -936,6 +936,10 @@ class DistributeTranspiler(object):
         }
         outputs = {"ParamOut": [param_var]}
         # only support sgd now
+        import logging
+        logging.warn(
+            "distribute lookup table only support sgd optimizer, change it's optimizer to sgd instead of "
+            + table_opt_op.type)
         table_opt_block.append_op(type="sgd", inputs=inputs, outputs=outputs)
 
         # add table parameter gradient and it's block id to grad_to_block_id
-- 
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