message: Change the default CPU backend for libCEED.
diff: @@ -292,7 +292,7 @@ void Device::Setup(const int device)
  {
  if (!ceed_option)
  {
  - CeedDeviceSetup("/cpu/self/ref/blocked");
  + CeedDeviceSetup("/cpu/self/opt/blocked");
  }
  else
  {
  