From 484b3bc80189824b4d3deb3af94273838a6c7480 Mon Sep 17 00:00:00 2001
From: nhzlx <nhzlx.dragon@gmail.com>
Date: Thu, 24 Jan 2019 03:53:32 +0000
Subject: [PATCH] When cudnn version < 7100, there is problem with conv_fusion.
 Add check for it. test=develop

---
 paddle/fluid/inference/api/demo_ci/vis_demo.cc  | 2 ++
 paddle/fluid/inference/tests/api/CMakeLists.txt | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/paddle/fluid/inference/api/demo_ci/vis_demo.cc b/paddle/fluid/inference/api/demo_ci/vis_demo.cc
index 5320992b7..2c6093fa4 100644
--- a/paddle/fluid/inference/api/demo_ci/vis_demo.cc
+++ b/paddle/fluid/inference/api/demo_ci/vis_demo.cc
@@ -82,10 +82,12 @@ void Main(bool use_gpu) {
 
 int main(int argc, char** argv) {
   google::ParseCommandLineFlags(&argc, &argv, true);
+#if CUDNN_VERSION >= 7100
   if (FLAGS_use_gpu) {
     paddle::demo::Main(true /*use_gpu*/);
   } else {
     paddle::demo::Main(false /*use_gpu*/);
   }
+#endif
   return 0;
 }
diff --git a/paddle/fluid/inference/tests/api/CMakeLists.txt b/paddle/fluid/inference/tests/api/CMakeLists.txt
index 423c39813..cb4af28dc 100644
--- a/paddle/fluid/inference/tests/api/CMakeLists.txt
+++ b/paddle/fluid/inference/tests/api/CMakeLists.txt
@@ -144,7 +144,8 @@ if (WITH_ANAKIN AND WITH_MKL) # only needed in CI
     endif()
 endif()
 
-if(WITH_GPU AND TENSORRT_FOUND)
+if (NOT ${CUDNN_VERSION} VERSION_LESS 7100)
+  if(WITH_GPU AND TENSORRT_FOUND)
     set(TRT_MODEL_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/trt")
     if (NOT EXISTS ${TRT_MODEL_INSTALL_DIR})
         inference_download_and_uncompress(${TRT_MODEL_INSTALL_DIR} ${INFERENCE_URL}/tensorrt_test "trt_test_models.tar.gz")
@@ -152,4 +153,5 @@ if(WITH_GPU AND TENSORRT_FOUND)
     inference_analysis_test(test_trt_models SRCS trt_models_tester.cc
             EXTRA_DEPS ${INFERENCE_EXTRA_DEPS}
             ARGS --infer_model=${TRT_MODEL_INSTALL_DIR}/trt_test_models SERIAL)
+  endif()
 endif()
-- 
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