2048-js-ai: perf.html@47d42234dd5c (annotated)

8 395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	1	<!DOCTYPE html>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	2	<html>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	3	<head>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	4	<title>js perf</title>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	5	<meta name="viewport" content="width=device-width,initial-scale=1.0"/>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	6	<meta charset="utf-8"/>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	7
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	8	<script src="board.js"></script>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	9	<script src="perf.js"></script>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	10
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	11	<style>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	12	body {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	13	width: 100%;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	14	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	15	h1, div.area {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	16	text-align: center;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	17	margin: 10px auto;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	18	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	19	#board {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	20	margin: 10px auto;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	21	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	22	#board td {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	23	width: 40px;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	24	height: 40px;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	25	border: 1px solid red;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	26	margin: 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	27	text-align: center;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	28	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	29
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	30	.test {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	31	border: 1px red dotted;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	32	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	33	.report {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	34	border: 1px green dotted;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	35	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	36	</style>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	37
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	38	</head>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	39	<body>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	40
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	41	<table id="board">
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	42	<tr>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	43	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	44	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	45	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	46	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	47	</tr>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	48	<tr>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	49	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	50	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	51	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	52	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	53	</tr>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	54	<tr>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	55	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	56	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	57	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	58	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	59	</tr>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	60	<tr>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	61	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	62	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	63	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	64	<td></td>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	65	</tr>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	66	</table>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	67
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	68	<div class="test">
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	69	<button>Array vs 2d Array vs Object vs this Object</button>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	70	<div class="report"></div>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	71	</div>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	72
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	73	<script>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	74	var boardDom = document.getElementById("board");
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	75	var ui = {};
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	76	ui.set = function(i, j, val) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	77	boardDom.querySelectorAll("tr")[i].querySelectorAll("td")[j].innerHTML = val;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	78	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	79	</script>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	80
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	81	<script>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	82	/* var N = 1; */
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	83	/* var N = 10001000; /
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	84	var N = 1000*1000;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	85
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	86	function arrNew() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	87	return [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	88	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	89	function arrGet(brd, i, j) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	90	return brd[i*4+j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	91	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	92	function arrSet(brd, i, j, val) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	93	brd[i*4+j] = val;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	94	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	95	function arrPrint(brd) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	96	for (var i = 0; i < 4; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	97	for (var j = 0; j < 4; j++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	98	ui.set(i, j, brd[i*4+j]);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	99	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	100	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	101	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	102	function arrRotLeft(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	103	for (var i = 0; i < 4; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	104	for (var j = 0; j < 3; j++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	105	to[i4+j+1] = from[i4+j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	106	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	107	to[i4] = from[i4+3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	108	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	109	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	110	function arrRotLeft_2(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	111	to[1] = from[0]; to[2] = from[1]; to[3] = from[2]; to[0] = from[3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	112	to[4+1] = from[4+0]; to[4+2] = from[4+1]; to[4+3] = from[4+2]; to[4+0] = from[4+3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	113	to[8+1] = from[8+0]; to[8+2] = from[8+1]; to[8+3] = from[8+2]; to[8+0] = from[8+3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	114	to[12+1] = from[12+0]; to[12+2] = from[12+1]; to[12+3] = from[12+2]; to[12+0] = from[12+3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	115	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	116
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	117	var L = arrNew();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	118	L[2*4+3] = 5;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	119	for (var i = 0; i < 4; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	120	arrSet(L, i, 3-i, i+1);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	121	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	122	var R = arrNew();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	123
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	124	/* Example of plain performance calculation. */
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	125	var tsFrom = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	126	for (var i = 0; i < N; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	127	arrRotLeft(L, R);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	128	arrRotLeft(R, L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	129	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	130	var tsTo = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	131	arrPrint(L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	132	console.log("arrRotLeft: %f ms, %d u/s", tsTo-tsFrom, 2i/(tsTo - tsFrom)1000);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	133
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	134	perf("arrRotLeft", function() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	135	arrRotLeft(this.L, this.R);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	136	arrRotLeft(this.R, this.L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	137	}, N, {L: L, R: R});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	138	arrPrint(L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	139
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	140	perf("arrRotLeft_2", function() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	141	arrRotLeft_2(this.L, this.R);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	142	arrRotLeft_2(this.R, this.L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	143	}, N, {L: L, R: R});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	144	arrPrint(L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	145
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	146
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	147	perf("BoardArr.prototype.copy\|new", function() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	148	this.brd = this.brd.copy();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	149	}, N, {brd: new BoardArr()});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	150	perf("BoardArr.prototype.copy\|from-to", function() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	151	this.from.copy(this.to);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	152	}, N, {from: new BoardArr(), to: new BoardArr()});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	153
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	154
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	155	perf("BoardArr2d.prototype.copy\|new", function() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	156	this.brd = this.brd.copy();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	157	}, N, {brd: new BoardArr2d()});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	158	perf("BoardArr2d.prototype.copy\|from-to", function() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	159	this.from.copy(this.to);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	160	}, N, {from: new BoardArr2d(), to: new BoardArr2d()});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	161	perf("BoardArr2d.prototype.shiftLeft_unrolled", function() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	162	this.from.shiftLeft_unrolled(this.to);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	163	var swap = this.from; this.from = this.to, this.to = swap;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	164	}, N, {from: new BoardArr2d(), to: new BoardArr2d()});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	165	perf("BoardArr2d.prototype.shiftLeft_mostly_unrolled", function() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	166	this.from.shiftLeft_mostly_unrolled(this.to);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	167	var swap = this.from; this.from = this.to, this.to = swap;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	168	}, N, {from: new BoardArr2d(), to: new BoardArr2d()});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	169
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	170	function arr2New() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	171	return [[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0]];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	172	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	173	function arr2Get(brd, i, j) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	174	return brd[i][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	175	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	176	function arr2Set(brd, i, j, val) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	177	brd[i][j] = val;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	178	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	179	function arr2Print(brd) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	180	for (var i = 0; i < 4; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	181	for (var j = 0; j < 4; j++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	182	ui.set(i, j, brd[i][j]);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	183	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	184	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	185	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	186	function arr2RotLeft(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	187	for (var i = 0; i < 4; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	188	for (var j = 0; j < 3; j++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	189	to[i][j+1] = from[i][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	190	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	191	to[i][0] = from[i][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	192	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	193	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	194	function arr2RotLeft_2(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	195	to[0][1] = from[0][0]; to[0][2] = from[0][1]; to[0][3] = from[0][2]; to[0][0] = from[0][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	196	to[1][1] = from[1][0]; to[1][2] = from[1][1]; to[1][3] = from[1][2]; to[1][0] = from[1][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	197	to[2][1] = from[2][0]; to[2][2] = from[2][1]; to[2][3] = from[2][2]; to[2][0] = from[2][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	198	to[3][1] = from[3][0]; to[3][2] = from[3][1]; to[3][3] = from[3][2]; to[3][0] = from[3][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	199	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	200	function arr2ShiftRight(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	201	for (var i = 0; i < 4; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	202	if (from[i][2] == from[i][3]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	203	to[i][3] = from[i][3] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	204	if (from[i][0] == from[i][1]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	205	to[i][2] = from[i][1] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	206	to[i][1] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	207	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	208	to[i][2] = from[i][1];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	209	to[i][1] = from[i][0];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	210	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	211	to[i][0] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	212	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	213	to[i][3] = from[i][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	214	if (from[i][1] == from[i][2]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	215	to[i][2] = from[i][2] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	216	to[i][1] = from[i][0];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	217	to[i][0] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	218	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	219	to[i][2] = from[i][2];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	220	if (from[i][0] == from[i][1]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	221	to[i][1] = from[i][1] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	222	to[i][0] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	223	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	224	to[i][1] = from[i][1];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	225	to[i][0] = from[i][0];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	226	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	227	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	228	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	229	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	230	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	231	function arr2ShiftLeft(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	232	for (var i = 3; i >= 0; i--) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	233	if (from[i][0] == from[i][1]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	234	to[i][0] = from[i][0] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	235	if (from[i][2] == from[i][3]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	236	to[i][1] = from[i][2] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	237	to[i][2] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	238	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	239	to[i][1] = from[i][2];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	240	to[i][2] = from[i][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	241	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	242	to[i][3] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	243	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	244	to[i][0] = from[i][0];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	245	if (from[i][1] == from[i][2]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	246	to[i][1] = from[i][1] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	247	to[i][2] = from[i][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	248	to[i][3] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	249	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	250	to[i][1] = from[i][1];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	251	if (from[i][2] == from[i][3]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	252	to[i][2] = from[i][2] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	253	to[i][3] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	254	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	255	to[i][2] = from[i][2];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	256	to[i][3] = from[i][3];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	257	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	258	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	259	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	260	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	261	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	262	function arr2ShiftUp(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	263	for (var j = 3; j >= 0; j--) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	264	if (from[0][j] == from[1][j]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	265	to[0][j] = from[0][j] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	266	if (from[2][j] == from[3][j]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	267	to[1][j] = from[2][j] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	268	to[2][j] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	269	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	270	to[1][j] = from[2][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	271	to[2][j] = from[3][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	272	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	273	to[3][j] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	274	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	275	to[0][j] = from[0][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	276	if (from[1][j] == from[2][j]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	277	to[1][j] = from[1][j] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	278	to[2][j] = from[3][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	279	to[3][j] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	280	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	281	to[1][j] = from[1][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	282	if (from[2][j] == from[3][j]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	283	to[2][j] = from[2][j] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	284	to[3][j] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	285	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	286	to[2][j] = from[2][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	287	to[3][j] = from[3][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	288	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	289	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	290	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	291	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	292	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	293	function arr2ShiftDown(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	294	for (var j = 0; j < 4; j++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	295	if (from[2][j] == from[3][j]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	296	to[3][j] = from[3][j] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	297	if (from[0][j] == from[1][j]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	298	to[2][j] = from[1][j] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	299	to[1][j] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	300	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	301	to[2][j] = from[1][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	302	to[1][j] = from[0][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	303	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	304	to[0][j] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	305	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	306	to[3][j] = from[3][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	307	if (from[1][j] == from[2][j]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	308	to[2][j] = from[2][j] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	309	to[1][j] = from[0][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	310	to[0][j] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	311	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	312	to[2][j] = from[2][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	313	if (from[0][j] == from[1][j]) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	314	to[1][j] = from[1][j] + 1;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	315	to[0][j] = 0;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	316	} else {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	317	to[1][j] = from[1][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	318	to[0][j] = from[0][j];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	319	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	320	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	321	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	322	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	323	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	324	var L = arr2New();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	325	L[2][3] = 5;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	326	for (var i = 0; i < 4; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	327	arr2Set(L, i, 3-i, i+1);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	328	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	329
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	330	var R = arr2New();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	331	var tsFrom = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	332	for (var i = 0; i < N; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	333	arr2RotLeft(L, R);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	334	arr2RotLeft(R, L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	335	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	336	var tsTo = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	337	/* arr2Print(L); */
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	338	console.log("arr2RotLeft: %f ms, %d u/s", tsTo-tsFrom, 2i/(tsTo - tsFrom)1000);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	339
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	340	var tsFrom = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	341	for (var i = 0; i < N; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	342	arr2RotLeft_2(L, R);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	343	arr2RotLeft_2(R, L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	344	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	345	var tsTo = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	346	/* arr2Print(L); */
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	347	console.log("arr2RotLeft_2: %f ms, %d u/s", tsTo-tsFrom, 2i/(tsTo - tsFrom)1000);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	348
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	349
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	350	var objMap = [["aa", "ab", "ac", "ad"], ["ba", "bb", "bc", "bd"], ["ca", "cb", "cc", "cd"], ["da", "db", "dc", "dd"]];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	351	function objNew() {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	352	return { aa: 0, ab: 0, ac: 0, ad: 0,
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	353	ba: 0, bb: 0, bc: 0, bd: 0,
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	354	ca: 0, cb: 0, cc: 0, cd: 0,
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	355	da: 0, db: 0, dc: 0, dd: 0 };
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	356	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	357	function objGet(brd, i, j) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	358	return brd[objMap[i][j]];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	359	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	360	function objSet(brd, i, j, val) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	361	brd[objMap[i][j]] = val;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	362	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	363	function objPrint(brd) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	364	ui.set(0, 0, brd.aa); ui.set(0, 1, brd.ab); ui.set(0, 2, brd.ac); ui.set(0, 3, brd.ad);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	365	ui.set(1, 0, brd.ba); ui.set(1, 1, brd.bb); ui.set(1, 2, brd.bc); ui.set(1, 3, brd.bd);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	366	ui.set(2, 0, brd.ca); ui.set(2, 1, brd.cb); ui.set(2, 2, brd.cc); ui.set(2, 3, brd.cd);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	367	ui.set(3, 0, brd.da); ui.set(3, 1, brd.db); ui.set(3, 2, brd.dc); ui.set(3, 3, brd.dd);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	368	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	369	function objRotLeft(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	370	to.ab = from.aa; to.ac = from.ab; to.ad = from.ac; to.aa = from.ad;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	371	to.bb = from.ba; to.bc = from.bb; to.bd = from.bc; to.ba = from.bd;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	372	to.cb = from.ca; to.cc = from.cb; to.cd = from.cc; to.ca = from.cd;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	373	to.db = from.da; to.dc = from.db; to.dd = from.dc; to.da = from.dd;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	374	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	375	function objRotLeft_2(from, to) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	376	to["ab"] = from["aa"]; to["ac"] = from["ab"]; to["ad"] = from["ac"]; to["aa"] = from["ad"];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	377	to["bb"] = from["ba"]; to["bc"] = from["bb"]; to["bd"] = from["bc"]; to["ba"] = from["bd"];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	378	to["cb"] = from["ca"]; to["cc"] = from["cb"]; to["cd"] = from["cc"]; to["ca"] = from["cd"];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	379	to["db"] = from["da"]; to["dc"] = from["db"]; to["dd"] = from["dc"]; to["da"] = from["dd"];
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	380	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	381	var L = objNew();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	382	L.cd = 5;
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	383	for (var i = 0; i < 4; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	384	objSet(L, i, 3-i, i+1);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	385	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	386
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	387	var R = objNew();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	388	var tsFrom = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	389	for (var i = 0; i < N; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	390	objRotLeft(L, R);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	391	objRotLeft(R, L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	392	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	393	var tsTo = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	394	objPrint(L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	395	console.log("objRotLeft: %f ms, %d u/s", tsTo-tsFrom, 2i/(tsTo - tsFrom)1000);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	396
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	397	var tsFrom = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	398	for (var i = 0; i < N; i++) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	399	objRotLeft_2(L, R);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	400	objRotLeft_2(R, L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	401	}
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	402	var tsTo = new Date().getTime();
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	403	objPrint(L);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	404	console.log("objRotLeft_2: %f ms, %d u/s", tsTo-tsFrom, 2i/(tsTo - tsFrom)1000);
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	405	</script>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	406
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	407	<script>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	408	/* console.log(Array.prototype.map.call(document.querySelectorAll("button"), function(x){return x;})); */
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	409	Array.prototype.forEach.call(document.querySelectorAll("button"), function(btn) {
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	410	console.log(btn)
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	411	});
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	412	</script>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	413	</body>
395195ae7daf Different performance metrics. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	414	</html>

author	Oleksandr Gavenko <gavenkoa@gmail.com>
	Sat, 20 Sep 2014 23:56:02 +0300
changeset 104	47d42234dd5c
parent 8	395195ae7daf
child 93	c2bf15c3b80b
permissions	-rw-r--r--