From 191d8dcec1784838bda274e2575a397b1cb42994 Mon Sep 17 00:00:00 2001
From: qijun <qijun1994@hotmail.com>
Date: Fri, 2 Mar 2018 11:25:13 +0800
Subject: [PATCH] set nccl = true

---
 .../tests/book_memory_optimization/test_memopt_fit_a_line.py    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/paddle/fluid/tests/book_memory_optimization/test_memopt_fit_a_line.py b/python/paddle/fluid/tests/book_memory_optimization/test_memopt_fit_a_line.py
index 7648bb9fe1c..a99d13330b8 100644
--- a/python/paddle/fluid/tests/book_memory_optimization/test_memopt_fit_a_line.py
+++ b/python/paddle/fluid/tests/book_memory_optimization/test_memopt_fit_a_line.py
@@ -31,7 +31,7 @@ use_nccl = False
 place = fluid.CPUPlace()
 if fluid.core.is_compiled_with_cuda():
     device_type = 'CUDA'
-    use_nccl = False
+    use_nccl = True
     place = fluid.CUDAPlace(0)
 
 places = fluid.layers.get_places(device_count=0, device_type=device_type)
-- 
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