#!/bin/sh

DATA_DIR="data"
SRC_DIR="../src"
SORTER="$SRC_DIR/sorter"
ALGORITHMS=("isort" "qsort")

OUTPUT_STRING="type,size,time"

for TEST_FILE in "$DATA_DIR"/*; do
    FILE_NAME=$(basename "$TEST_FILE")

    for ALGORITHM in "${ALGORITHMS[@]}"; do

        echo "Benchmarking $FILE_NAME using $ALGORITHM ..."

        perf stat -e task-clock $SORTER -a "$ALGORITHM" "$TEST_FILE" >/dev/null 2> perf_out.txt
        elapsed=$(grep "seconds time elapsed" perf_out.txt | awk '{print $1}')

        # Remove prefix and suffix
        # type_size_n.tsv
        TYPE="${FILE_NAME%%_*}"              # before first _
        rest="${FILE_NAME#*_}"               # after first _
        TEST_SIZE="${rest%%_*}"              # before next _

        OUTPUT_STRING="$OUTPUT_STRING
$ALGORITHM"_"$TYPE,$TEST_SIZE,$elapsed"
    done
done
rm perf_out.txt
# Write to file
echo "$OUTPUT_STRING" > benchmark_results.csv