// about each's role in the algorithm.
	numLMS := placeLMS_8_64(text, sa, freq, bucket)
	if numLMS <= 1 {
		// 0 or 1 items are already sorted. Do nothing.
	} else {
		induceSubL_8_64(text, sa, freq, bucket)
		induceSubS_8_64(text, sa, freq, bucket)
		length_8_64(text, sa, numLMS)
		maxID := assignID_8_64(text, sa, numLMS)
		if maxID < numLMS {
			map_64(sa, numLMS)
			recurse_64(sa, tmp, numLMS, maxID)