feat(benchmark.sh): script for testing speed of sorter, and saving results to csv

1 files changed, 31 insertions, 0 deletions

diff --git a/benchmark.sh b/benchmark.sh
new file mode 100755
index 0000000..3811fc2
--- /dev/null
+++ b/benchmark.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+DATA_DIR="data"
+SRC_DIR="src"
+SORTER="$SRC_DIR/sorter"
+
+OUTPUT_STRING="size,real,user,sys"
+
+for TEST_FILE in "$DATA_DIR"/*; do
+    FILE_NAME=$(basename "$TEST_FILE")
+    echo "Benchmarking $FILE_NAME ..."
+
+    # Run the command and capture timing
+    TIME_OUTPUT=$({ time $SORTER "$TEST_FILE" >/dev/null; } 2>&1)
+
+    # Extract real, user, sys in seconds
+    REAL=$(echo "$TIME_OUTPUT" | awk '/real/ {split($2,a,"m"); split(a[2],b,"s"); print a[1]*60 + b[1]}')
+    USER=$(echo "$TIME_OUTPUT" | awk '/user/ {split($2,a,"m"); split(a[2],b,"s"); print a[1]*60 + b[1]}')
+    SYS=$(echo "$TIME_OUTPUT" | awk '/sys/  {split($2,a,"m"); split(a[2],b,"s"); print a[1]*60 + b[1]}')
+
+    # Remove prefix and suffix
+    TEST_SIZE=${FILE_NAME#random_}   # removes 'random_'
+    TEST_SIZE=${TEST_SIZE%_run*}     # removes '_run...' part
+
+    # Add entry to JSON string
+    OUTPUT_STRING="$OUTPUT_STRING
+$TEST_SIZE,$REAL,$USER,$SYS"
+done
+
+# Write to file
+echo "$OUTPUT_STRING" > benchmark_results.csv