vvuk/buftest.html

## buftest.html
<!DOCTYPE HTML>

<html>
<head>
<script type="text/javascript">
function go() {
    var size = 10 * 1000 * 1000;
    var ibuf = new Int32Array(size);
    var t0, t1;

    t0 = Date.now();
    for (var i = 0; i < size; ++i) {
	ibuf[i] = i;
    }
    t1 = Date.now();
    log("Writing: " + (t1-t0) + " ms");

    var x = 0;
    t0 = Date.now();
    for (var i = 0; i < size; ++i) {
	x |= ibuf[i];
    }
    t1 = Date.now();
    log("Reading: " + (t1-t0) + " ms (x: " + x + ")");
}

function log(s) {
    document.getElementById("results").innerHTML += s + "<br>";
}
</script>

<body>
<button onclick="go()">Go</button><br><br>
<div id="results"></div>
</body>
</html>
	<!DOCTYPE HTML>

	<html>
	<head>
	<script type="text/javascript">
	function go() {
	var size = 10 * 1000 * 1000;
	var ibuf = new Int32Array(size);
	var t0, t1;

	t0 = Date.now();
	for (var i = 0; i < size; ++i) {
	ibuf[i] = i;
	}
	t1 = Date.now();
	log("Writing: " + (t1-t0) + " ms");

	var x = 0;
	t0 = Date.now();
	for (var i = 0; i < size; ++i) {
	x \|= ibuf[i];
	}
	t1 = Date.now();
	log("Reading: " + (t1-t0) + " ms (x: " + x + ")");
	}

	function log(s) {
	document.getElementById("results").innerHTML += s + "<br>";
	}
	</script>

	<body>
	<button onclick="go()">Go</button><br><br>
	<div id="results"></div>
	</body>
	</html>