From c9dc794e19e448e5d5147eae837e0f2356259f21 Mon Sep 17 00:00:00 2001
From: Fan Yang <stoneyang0915@gmail.com>
Date: Thu, 1 Sep 2016 10:50:48 +0800
Subject: [PATCH] fixed build issue of double definition of atomicAdd on modern
 GPUs

---
 paddle/cuda/include/hl_device_functions.cuh | 4 ++++
 1 file changed, 4 insertions(+)
 mode change 100644 => 100755 paddle/cuda/include/hl_device_functions.cuh

diff --git a/paddle/cuda/include/hl_device_functions.cuh b/paddle/cuda/include/hl_device_functions.cuh
old mode 100644
new mode 100755
index 27e3f450c5..2fbc2cfb50
--- a/paddle/cuda/include/hl_device_functions.cuh
+++ b/paddle/cuda/include/hl_device_functions.cuh
@@ -16,6 +16,8 @@ limitations under the License. */
 #ifndef HL_DEVICE_FUNCTIONS_CUH_
 #define HL_DEVICE_FUNCTIONS_CUH_
 
+#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ < 600
+
 namespace hppl {
 
 static __inline__ __device__ double atomicAdd(double* address, double val) {
@@ -40,4 +42,6 @@ static __inline__ __device__ double atomicAdd(double* address, double val) {
 using hppl::atomicAdd;
 #endif
 
+#endif
+
 #endif /* HL_DEVICE_FUNCTIONS_CUH_ */
-- 
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