gistfile1.txt

    fun onNextIteration(durationNs: Long): Boolean {
        iteration++
        totalDuration += durationNs

        if (iteration == 1) {
            fastMovingAvg = durationNs.toFloat()
            slowMovingAvg = durationNs.toFloat()
            return false
        }

        fastMovingAvg = FAST_RATIO * durationNs + (1 - FAST_RATIO) * fastMovingAvg
        slowMovingAvg = SLOW_RATIO * durationNs + (1 - SLOW_RATIO) * slowMovingAvg

        // If fast moving avg is close to slow, the benchmark is stabilizing
        val ratio = fastMovingAvg / slowMovingAvg
        if (ratio < 1 + THRESHOLD && ratio > 1 - THRESHOLD) {
            similarIterationCount++
        } else {
            similarIterationCount = 0
        }

        if (iteration >= MIN_ITERATIONS && totalDuration >= MIN_DURATION_NS) {
            if (similarIterationCount > MIN_SIMILAR_ITERATIONS ||
                totalDuration >= MAX_DURATION_NS) {
                // benchmark has stabilized, or we're out of time
                return true
            }
        }
        return false
    }