Add script to get stub results for several configurations

Signed-off-by: Rafael Ravedutti <rafaelravedutti@gmail.com>

scripts/run_stub.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+while getopts "a:f:n:r:x:y:z:" flag; do
+    case "${flag}" in
+        a) atoms_per_unit_cell=${OPTARG};;
+        f) frequency=${OPTARG};;
+        n) timesteps=${OPTARG};;
+        o) output_file=${OPTARG};;
+        r) nruns=${OPTARG};;
+        x) nx=${OPTARG};;
+        y) ny=${OPTARG};;
+        z) nz=${OPTARG};;
+    esac
+done
+
+EXEC="../MDBench-ICC-stub"
+ATOMS_PER_UNIT_CELL="${atoms_per_unit_cell:-8}"
+FREQUENCY="${frequency:-0.0}"
+TIMESTEPS="${timesteps:-200}"
+OUTPUT_FILE="${output_file:-run_results.txt}"
+NRUNS="${nruns:-3}"
+NX="${nx:-4}"
+NY="${ny:-4}"
+NZ="${nz:-2}"
+
+for timesteps in ${TIMESTEPS}; do
+    for atoms_per_unit_cell in ${ATOMS_PER_UNIT_CELL}; do
+        for nx in ${NX}; do
+            for ny in ${NY}; do
+                for nz in ${NZ}; do
+                    best_perf=
+                    best_output=
+                    for nruns in ${NRUNS}; do
+                        output=$(
+                            ./${EXEC} -f ${FREQUENCY} -n ${timesteps} -na ${atoms_per_unit_cell} -nx ${nx} -ny ${ny} -nz ${nz} -csv |
+                            grep -v steps
+                        )
+                        perf=$(echo $output | cut -d',' -f8)
+                        if [ -z "$best_perf" ]; then
+                            best_perf="$perf"
+                            best_output="$output"
+                        elif (( $(echo "$perf < $best_perf" | bc -l) )); then
+                            best_perf="$perf"
+                            best_output="$output"
+                        fi
+                    done
+
+                    echo "${best_output}" | tee -a "${OUTPUT_FILE}"
+                done
+            done
+        done
+    done
+done