use std const main = {	var a : byte#[1000] 	for sz : [10, 100, 1000, 10000, 10000]		std.put("sz: {}\n", sz)		for cnt : [1, 10, 100]			std.put("cnt: {}\n", cnt)			/* alloc forwards, dealloc forwards */			for var i = 0; i < cnt; i++				a[i] = std.bytealloc(sz)			;;			for var i = 0; i < cnt; i++				std.bytefree(a[i], sz)			;; 			/* alloc forwards, dealloc backwards */			for var i = 0; i < cnt; i++				a[i] = std.bytealloc(sz)			;;			for var i = cnt; i > 0; i--				std.bytefree(a[i - 1], sz)			;; 			/* alloc forwards, dealloc randomly */			for var i = 0; i < cnt; i++				a[i] = std.bytealloc(sz)			;;			shuffle(a[:cnt])			for var i = cnt; i > 0; i--				std.bytefree(a[i - 1], sz)			;;		;;	;;} const shuffle = {a	var t	var rng	var j 	/* we want determinism for benchmarking */	rng = std.mksrng(123)	for var i = 0; i < a.len - 1; i++		j = std.rngrand(rng, i, a.len)		t = a[j]		a[j] = a[i]		a[i] = t	;;}