for _, x := range xs {
		sum += (float64(x) - m) * (float64(x) - m)
	}
	s := math.Sqrt(sum / float64(len(xs)))
	return math.Round(s*1000) / 1000
}

type numaOrSocketsFirstFuncs interface {
	takeFullFirstLevel()
	takeFullSecondLevel()
	sortAvailableNUMANodes() []int
	sortAvailableSockets() []int
	sortAvailableCores() []int
}

type numaFirst struct{ acc *cpuAccumulator }