add cuda cudnn version check

test=develop

paddle/fluid/platform/device_context.cc

@@ -220,6 +220,40 @@ CUDADeviceContext::CUDADeviceContext(CUDAPlace place)
   LOG_FIRST_N(WARNING, 1) << "device: " << place_.device
                           << ", cuDNN Version: " << cudnn_dso_ver / 1000 << "."
                           << (cudnn_dso_ver % 100) / 10 << ".";
+
+  {
+    // Check CUDA/CUDNN version compatiblity
+    auto local_cuda_version = runtime_version_ / 100;
+    auto compile_cuda_version = CUDA_VERSION / 100;
+    if (local_cuda_version < compile_cuda_version) {
+      LOG_FIRST_N(WARNING, 1)
+          << "WARNING: device: " << place_.device
+          << ". The installed Paddle is compiled with CUDA "
+          << compile_cuda_version / 10 << "." << compile_cuda_version % 10
+          << ", but CUDA runtime version in your machine is "
+          << local_cuda_version / 10 << "." << local_cuda_version % 10
+          << ", which may cause serious incompatible bug. "
+          << "Please recompile or reinstall Paddle with compatible CUDA "
+             "version.";
+    }
+
+    if (dynload::HasCUDNN()) {
+      auto local_cudnn_version = cudnn_dso_ver / 100;
+      auto compile_cudnn_version = CUDNN_VERSION / 100;
+      if (local_cuda_version < compile_cuda_version) {
+        LOG_FIRST_N(WARNING, 1)
+            << "WARNING: device: " << place_.device
+            << ". The installed Paddle is compiled with CUDNN "
+            << compile_cudnn_version / 10 << "." << compile_cudnn_version % 10
+            << ", but CUDNN version in your machine is "
+            << local_cudnn_version / 10 << "." << local_cudnn_version % 10
+            << ", which may cause serious incompatible bug. "
+            << "Please recompile or reinstall Paddle with compatible CUDNN "
+               "version.";
+      }
+    }
+  }
+
   callback_manager_.reset(new StreamCallbackManager(stream_));
 }