first version only dirs parralell

tests/perfomanse.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+    echo "Usage: $0 <path_to_executable>"
+    exit 1
+fi
+
+test_file="$1"
+iterations=100
+times=()
+
+for i in $(seq 1 $iterations); do
+    rm -rf /pkg/gnu/lib
+    sleep 0.1
+
+    start_time=$(date +%s%N)
+    $test_file
+    end_time=$(date +%s%N)
+
+    elapsed_time=$((end_time - start_time))
+    elapsed_time_seconds=$(echo "scale=6; $elapsed_time / 1000000000" | bc)
+    times+=($elapsed_time_seconds)
+done
+
+sorted_times=($(printf '%s\n' "${times[@]}" | sort -n))
+
+mid=$((iterations / 2))
+if (( iterations % 2 == 1 )); then
+    median=${sorted_times[$mid]}
+else
+    median=$(echo "scale=6; (${sorted_times[$mid]} + ${sorted_times[$((mid - 1))]} ) / 2" | bc)
+fi
+
+echo "Test: $test_file"
+echo "Median exec time: $median"