Add scaling test job for validation case

specfem3d/job_script/job_strong_scaling_vega-gpu_small_benchmark_run_to_test_more_complex_Earth.slurm

+#!/bin/bash
+#SBATCH -J specfem_strong_scaling_gpu_small_benchmark_run_to_test_more_complex_Earth
+#SBATCH --nodes=24
+#SBATCH --ntasks-per-node=1
+#SBATCH --cpus-per-task=128
+#SBATCH --time=00:59:59
+#SBATCH --output specfem_gpu_small_benchmark_run_to_test_more_complex_Earth-24Nodes-%j.out
+#SBATCH --exclusive
+#SBATCH -p gpu
+#SBATCH --gres=gpu:4
+#set -e
+source ../env/env_vega-gpu
+grep "^[^#;]" ../env/env_vega-gpu
+
+cat job_strong_scaling_vega-gpu_small_benchmark_run_to_test_more_complex_Earth.slurm
+
+cd $install_dir/specfem3d_globe/EXAMPLES/small_benchmark_run_to_test_more_complex_Earth
+export OMPI_MCA_pml=ucx
+export OMPI_MCA_btl="^uct,tcp,openib,vader" 
+export CUDA_VISIBLE_DEVICES=0,1,2,3
+#export OMP_NUM_THREADS=1
+
+sed -i s/"GPU_MODE                        = .false."/"GPU_MODE                        = .true."/g  $install_dir/specfem3d_globe/EXAMPLES/small_benchmark_run_to_test_more_complex_Earth/DATA/Par_file
+sed -i s/"GPU_DEVICE                      = Tesla"/"GPU_DEVICE                      = *"/g  $install_dir/specfem3d_globe/EXAMPLES/small_benchmark_run_to_test_more_complex_Earth/DATA/Par_file
+sed -i s/"configure  --enable-openmp"/"configure --build=ppc64 --with-cuda=cuda8 "/g $install_dir/specfem3d_globe/EXAMPLES/small_benchmark_run_to_test_more_complex_Earth/run_this_example.sh
+#sed -i s/"mpirun -np"/"srun -n"/g $install_dir/specfem3d_globe/EXAMPLES/small_benchmark_run_to_test_more_complex_Earth/run_mesher_solver.bash
+#taskset -a -p $PPID
+
+time ./run_this_example.sh
+
+echo "=========="
+echo "config.log"
+echo "=========="
+cat $install_dir/specfem3d_globe/config.log
+echo "========"
+echo "make.log"
+echo "========"
+cat $install_dir/specfem3d_globe/make.log
+
+echo
+echo "running seismogram comparisons:"
+echo
+
+cd $install_dir/specfem3d_globe/
+echo "================================="
+echo "done"
+ls -lrth $install_dir/specfem3d_globe/EXAMPLES/small_benchmark_run_to_test_more_complex_Earth/OUTPUT_FILES/output_*.txt
+cat $install_dir/specfem3d_globe/EXAMPLES/small_benchmark_run_to_test_more_complex_Earth/OUTPUT_FILES/output_mesher.txt
+cat $install_dir/specfem3d_globe/EXAMPLES/small_benchmark_run_to_test_more_complex_Earth/OUTPUT_FILES/output_solver.txt