message: Enable the cudnn frontend by default.
diff: @@ -40,7 +40,7 @@ bool CudnnUseFrontend() {
  static bool result = [] {
  bool value = false;
  #if GOOGLE_CUDA && CUDNN_VERSION >= 8100
  - Status status = ReadBoolFromEnvVar("TF_CUDNN_USE_FRONTEND", false, &value);
  + Status status = ReadBoolFromEnvVar("TF_CUDNN_USE_FRONTEND", true, &value);
  if (!status.ok()) {
  LOG(ERROR) << status;
  }
  