From 630943c7a79ce2ee3c3ce291a3bb8c5a32b8931d Mon Sep 17 00:00:00 2001
From: Yi Wang <yi.wang.2005@gmail.com>
Date: Fri, 13 Apr 2018 23:42:02 -0700
Subject: [PATCH] Update documentation (#9918)

---
 paddle/fluid/platform/cuda_profiler.h |  9 ++++----
 paddle/fluid/platform/variant.h       | 32 ++++++++++++---------------
 2 files changed, 19 insertions(+), 22 deletions(-)

diff --git a/paddle/fluid/platform/cuda_profiler.h b/paddle/fluid/platform/cuda_profiler.h
index ebd6aebd76..41d7c12146 100644
--- a/paddle/fluid/platform/cuda_profiler.h
+++ b/paddle/fluid/platform/cuda_profiler.h
@@ -11,12 +11,13 @@ distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License. */
-
 #pragma once
+
 #include <cuda_profiler_api.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+
+#include <string>
+
+#include "paddle/fluid/platform/enforce.h"
 
 namespace paddle {
 namespace platform {
diff --git a/paddle/fluid/platform/variant.h b/paddle/fluid/platform/variant.h
index 05ca33137d..45f60fc9d7 100644
--- a/paddle/fluid/platform/variant.h
+++ b/paddle/fluid/platform/variant.h
@@ -14,29 +14,25 @@ limitations under the License. */
 
 #pragma once
 
-#ifdef __CUDACC__
-#ifdef __CUDACC_VER_MAJOR__
-// CUDA 9 define `__CUDACC_VER__` as a warning message, manually define
-// __CUDACC_VER__ instead.
+// Boost 1.41.0 requires __CUDACC_VER__, but in CUDA 9 __CUDACC_VER__
+// is removed, so we have to manually define __CUDACC_VER__ instead.
+// For details, please refer to
+// https://github.com/PaddlePaddle/Paddle/issues/6626
+#if defined(__CUDACC__) && defined(__CUDACC_VER_MAJOR__)
 #undef __CUDACC_VER__
-
-#define __CUDACC_VER__                                         \
-  (__CUDACC_VER_MAJOR__ * 10000 + __CUDACC_VER_MINOR__ * 100 + \
-   __CUDACC_VER_BUILD__)
-#endif
-
+#define __CUDACC_VER__                                  \
+  __CUDACC_VER_BUILD__ + __CUDACC_VER_MAJOR__ * 10000 + \
+      __CUDACC_VER_MINOR__ * 100
 #endif
 
-#include <boost/config.hpp>
+#include "boost/config.hpp"
 
-#ifdef PADDLE_WITH_CUDA
-
-// Because boost's variadic templates has bug on nvcc, boost will disable
-// variadic template support when GPU enabled on nvcc.
-// Define BOOST_NO_CXX11_VARIADIC_TEMPLATES on gcc/clang to generate same
-// function symbols.
-//
+// Because Boost 1.41.0's variadic templates has bug on nvcc, boost
+// will disable variadic template support in NVCC mode.  Define
+// BOOST_NO_CXX11_VARIADIC_TEMPLATES on gcc/clang to generate same
+// function symbols.  For details,
 // https://github.com/PaddlePaddle/Paddle/issues/3386
+#ifdef PADDLE_WITH_CUDA
 #ifndef BOOST_NO_CXX11_VARIADIC_TEMPLATES
 #define BOOST_NO_CXX11_VARIADIC_TEMPLATES
 #endif
-- 
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