Add stampede3 support

cmake/SCHISM.local.stampede3

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+###XSEDE Stampede3 (Sapphire Rapids HBM)
+
+set (SCHISM_EXE_BASENAME pschism_STAM3 CACHE STRING "Base name (modules and file extension to be added of the executable. If you want a machine name, add it here")
+
+###Relative paths won't work
+set(CMAKE_Fortran_COMPILER ifx CACHE PATH "Path to serial Fortran compiler")
+set(CMAKE_C_COMPILER icx CACHE PATH "Path to serial C compiler")
+set(NetCDF_FORTRAN_DIR "$ENV{TACC_NETCDF_LIB}" CACHE PATH "Path to NetCDF Fortran library")
+set(NetCDF_C_DIR "$ENV{TACC_NETCDF_LIB}" CACHE PATH "Path to NetCDF C library")
+set(NetCDF_INCLUDE_DIR "$ENV{TACC_NETCDF_INC}" CACHE PATH "Path to NetCDF include")
+
+set(CMAKE_Fortran_FLAGS_RELEASE "-xCORE-AVX512 -O3 -no-prec-sqrt -no-prec-div -align all -assume buffered_io -assume byterecl" CACHE STRING "Fortran flags" FORCE)
+
+#Hybrid (remember to add OMP in the name above)
+#set(CMAKE_Fortran_FLAGS_RELEASE "-xCORE-AVX512 -O3 -no-prec-sqrt -no-prec-div -align all -assume buffered_io -assume byterecl -qopenmp" CACHE STRING "Fortran flags" FORCE)

src/Utility/Cluster_files/modules.stampede3_spr

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+module load netcdf/4.9.2
+###Use defaults for others

src/Utility/Cluster_files/run_stampede3_spr

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+#!/bin/bash
+#----------------------------------------------------
+# Sample Slurm job script
+#   for TACC Stampede3 SPR nodes
+#
+#   *** MPI Job in SPR Queue ***
+# 
+# Last revised: 23 April 2024
+#
+# Notes:
+#
+#   -- Launch this script by executing
+#      "sbatch spr.mpi.slurm" on Stampede3 login node.
+#
+#   -- Use ibrun to launch MPI codes on TACC systems.
+#      Do not use mpirun or mpiexec.
+#
+#   -- Max recommended MPI ranks per SPR node: 112
+#      (start small, increase gradually).
+#
+#   -- If you're running out of memory, try running
+#      on more nodes using fewer tasks and/or threads 
+#      per node to give each task access to more memory.
+#
+#   -- Don't worry about task layout.  By default, ibrun
+#      will provide proper affinity and pinning.
+#
+#   -- You should always run out of $SCRATCH.  Your input
+#      files, output files, and exectuable should be 
+#      in the $SCRATCH directory hierarchy.
+#
+#   From Dan,
+#   SPR nodes has 112 cores, however,
+#   try lower cores if you have allocation error in output log.
+#   Especially for large domain case like STOFS-3D 
+#   STOFS-Atl use 85 cores per node
+#----------------------------------------------------
+
+#SBATCH -J STOFS-Atl           # Job name
+#SBATCH -o Atl.o%j       # Name of stdout output file
+#SBATCH -e Atl.e%j       # Name of stderr error file
+#SBATCH -p spr             # Queue (partition) name
+#SBATCH -N 32               # Total # of nodes 
+#SBATCH -n 2720            # Total # of mpi tasks (85 cores/nd *32 node)
+#SBATCH -t 01:00:00        # Run time (hh:mm:ss)
+#SBATCH [email protected]
+#SBATCH --mail-type=all    # Send email at begin and end of job
+
+# Other commands must follow all #SBATCH directives...
+module load netcdf/4.9.2 
+module list
+pwd
+date
+
+# Always run your jobs out of $SCRATCH.  Your input files, output files, 
+# and exectuable should be in the $SCRATCH directory hierarchy.  
+# Change directories to your $SCRATCH directory where your executable is
+
+#cd $SCRATCH
+
+# Launch MPI code... 
+
+ibrun ./pschism_STAM3_NO_PARMETIS_PREC_EVAP_BLD_STANDALONE_TVD-VL 6         # Use ibrun instead of mpirun or mpiexec
+
+