Use ucx instead of ofi on Narwhal, also comment out node.js module

Author: climbfuji

configs/sites/narwhal/compilers.yaml

@@ -11,7 +11,7 @@ compilers::
       modules:
       - PrgEnv-intel/8.3.2
       - intel-classic/2021.4.0
-      - node.js/20.10.0
+      #- node.js/20.10.0
       environment:
         prepend_path:
           PATH: '/opt/cray/pe/gcc/10.3.0/snos/bin'
@@ -32,7 +32,7 @@ compilers::
       modules:
       - PrgEnv-gnu/8.3.2
       - gcc/10.3.0
-      - node.js/20.10.0
+      #- node.js/20.10.0
       environment:
         prepend_path:
           LD_LIBRARY_PATH: '/opt/cray/pe/libsci/22.08.1.1/GNU/9.1/x86_64/lib'

configs/sites/narwhal/packages.yaml

@@ -11,9 +11,11 @@ packages:
     externals:
     - spec: cray-mpich@8.1.14%intel@2021.4.0 ~wrappers
       modules:
+      - craype-network-ucx
       - cray-mpich/8.1.14
     - spec: cray-mpich@8.1.14%gcc@10.3.0 ~wrappers
       modules:
+      - craype-network-ucx
       - cray-mpich/8.1.14
   #intel-oneapi-tbb:
   #  externals:

doc/source/PreConfiguredSites.rst

@@ -251,6 +251,8 @@ With Intel, the following is required for building new spack environments and fo
    module load cray-python/3.9.7.1
    module unload cray-libsci
    module load cray-libsci/22.08.1.1
+   module unload craype-network-ofi
+   module load craype-network-ucx
 
    module use /p/app/projects/NEPTUNE/spack-stack/modulefiles
    module load ecflow/5.8.4
@@ -279,6 +281,8 @@ With GNU, the following is required for building new spack environments and for
    module load cray-python/3.9.7.1
    module unload cray-libsci
    module load cray-libsci/22.08.1.1
+   module unload craype-network-ofi
+   module load craype-network-ucx
 
    module use /p/app/projects/NEPTUNE/spack-stack/modulefiles
    module load ecflow/5.8.4
@@ -393,7 +397,7 @@ The following is required for building new spack environments and for using spac
    module use /glade/work/epicufsrt/contrib/spack-stack/derecho/modulefiles
    module load ecflow/5.8.4
 
-For ``spack-stack-1.6.0`` with Intel, proceed with loading the following modules::
+For ``spack-stack-1.6.0`` with Intel, proceed with loading the following modules:
 
 .. code-block:: console