unload mpi-settings for CUDA if no GPU

bin/launch_paraview.sh

@@ -19,11 +19,19 @@ NVGPU=$(lspci -nnk | grep -i nvidia | grep -i "in use" | cut -d ' ' -f 5)
 if [ -S /tmp/.X11-unix/X0 ] && [ ! -z "${NVGPU}" ]; then
   echo >&2 "         -- hardware accelerated"
 
+  # ensure we use CUDA
+  module load mpi-settings/CUDA
+
   module load VirtualGL
   vglrun +v -d :0 paraview --mpi
 
 else
   echo >&2 "         -- software rendering"
+
+  # ensure we do not try to use CUDA
+  module load UCX-settings/RC
+  module load mpi-settings/UCX
+
   paraview --mpi
 fi