Fix compling with cuDNN v5

test=develop

paddle/fluid/operators/CMakeLists.txt

@@ -36,15 +36,18 @@ endif()
 
 register_operators(EXCLUDES warpctc_op conv_fusion_op)
 
-# warpctc_cudnn need cudnn 7 above
+# warpctc_op needs cudnn 7 above
 if (WITH_GPU)
     if (${CUDNN_MAJOR_VERSION} VERSION_LESS 7)
         op_library(warpctc_op DEPS dynload_warpctc sequence_padding sequence_scale SRCS warpctc_op.cc warpctc_op.cu.cc)
     else()
         op_library(warpctc_op DEPS dynload_warpctc sequence_padding sequence_scale)
     endif()
-  op_library(conv_fusion_op)
+    # conv_fusion_op needs cudnn 7 above
-  file(APPEND ${pybind_file} "USE_CUDA_ONLY_OP(conv2d_fusion);\n")
+    if (NOT ${CUDNN_MAJOR_VERSION} VERSION_LESS 7)
+        op_library(conv_fusion_op)
+        file(APPEND ${pybind_file} "USE_CUDA_ONLY_OP(conv2d_fusion);\n")
+    endif()
 else()
     op_library(warpctc_op DEPS dynload_warpctc sequence_padding sequence_scale)
 endif()

paddle/fluid/operators/conv_fusion_op.cu.cc

@@ -22,6 +22,7 @@ DECLARE_bool(cudnn_exhaustive_search);
 namespace paddle {
 namespace operators {
 
+#if CUDNN_VERSION >= 7001
 using Tensor = framework::Tensor;
 using ScopedTensorDescriptor = platform::ScopedTensorDescriptor;
 using ScopedFilterDescriptor = platform::ScopedFilterDescriptor;
@@ -178,10 +179,13 @@ class CUDNNConvFusionOpKernel : public framework::OpKernel<T> {
     workspace_handle.RunFunc(cudnn_func, workspace_size_in_bytes);
   }
 };
+#endif
 
 }  // namespace operators
 }  // namespace paddle
 
+#if CUDNN_VERSION >= 7001
 namespace ops = paddle::operators;
 REGISTER_OP_CUDA_KERNEL(conv2d_fusion, ops::CUDNNConvFusionOpKernel<float>,
                         ops::CUDNNConvFusionOpKernel<double>);
+#endif

python/paddle/fluid/tests/unittests/CMakeLists.txt

@@ -23,6 +23,10 @@ if(NOT WITH_DISTRIBUTE)
     LIST(REMOVE_ITEM TEST_OPS test_dist_text_classification)
 endif(NOT WITH_DISTRIBUTE)
 
+if (${CUDNN_MAJOR_VERSION} VERSION_LESS 7)
+    LIST(REMOVE_ITEM TEST_OPS test_conv2d_fusion_op)
+endif()
+
 list(REMOVE_ITEM TEST_OPS test_seq_concat_op) # FIXME(helin): https://github.com/PaddlePaddle/Paddle/issues/8290
 list(REMOVE_ITEM TEST_OPS test_modified_huber_loss_op) # FIXME(qijun) https://github.com/PaddlePaddle/Paddle/issues/5184
 list(REMOVE_ITEM TEST_OPS test_lstm_unit_op) # # FIXME(qijun) https://github.com/PaddlePaddle/Paddle/issues/5185