Benchmark.kt

fun benchmark(f: () -> Unit) {
    System.gc()
    val startTime = System.currentTimeMillis()
    val startMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()

    f.invoke()

    System.gc()
    val finishTime = System.currentTimeMillis()
    val finishMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()

    val elapsedMemory = finishMemory - startMemory
    val elapsedTime = finishTime - startTime

    println("Elapsed time: $elapsedTime")
    println("Used memory: $elapsedMemory")
}