Inline and noinline repeat

TestInline.kt

import kotlin.system.measureNanoTime

fun main(args: Array<String>) {
    measureNanoTime { code1() }
    measureNanoTime { code2() }

    val tries = 100
    var sum1 = 0L
    var sum2 = 0L
    for (i in 1..tries) {
        println(i)
        val time1 = measureNanoTime { code1() }
        sum1 += time1
        println("Time for code 1 = $time1")
        val time2 = measureNanoTime { code2() }
        println("Time for code 2 = $time2")
        sum2 += time2
    }
    println("Sum time for 1 = $sum1")
    println("Sum time for 2 = $sum2")
}

private fun code1() {
    var a = 0
    inlineRepeat(100_000_000) {
        a += 1
    }
}

fun code2() {
    var a = 0
    noinlineRepeat(100_000_000) {
        a += 1
    }
}

inline fun inlineRepeat(times: Int, action: (Int) -> Unit) {
    for (index in 0 until times) {
        action(index)
    }
}

fun noinlineRepeat(times: Int, action: (Int) -> Unit) {
    for (index in 0 until times) {
        action(index)
    }
}