gecko-dev/build/pgo/js-input/access-binary-trees.html
Robert Sayre 7ddcc5ccea bug 472706 - add better profiling input for spidermonkey in PGO builds. r=ted
--HG--
rename : modules/libpr0n/test/unit/image3.ico => build/pgo/favicon.ico
2009-01-13 07:34:19 -05:00

101 lines
2.8 KiB
HTML

<!DOCTYPE html>
<head>
<!--
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<title>SunSpider access-binary-trees</title>
</head>
<body>
<h3>access-binary-trees</h3>
<div id="console">
</div>
<script>
var _sunSpiderStartDate = new Date();
/* The Great Computer Language Shootout
http://shootout.alioth.debian.org/
contributed by Isaac Gouy */
function TreeNode(left,right,item){
this.left = left;
this.right = right;
this.item = item;
}
TreeNode.prototype.itemCheck = function(){
if (this.left==null) return this.item;
else return this.item + this.left.itemCheck() - this.right.itemCheck();
}
function bottomUpTree(item,depth){
if (depth>0){
return new TreeNode(
bottomUpTree(2*item-1, depth-1)
,bottomUpTree(2*item, depth-1)
,item
);
}
else {
return new TreeNode(null,null,item);
}
}
var ret;
for ( var n = 4; n <= 7; n += 1 ) {
var minDepth = 4;
var maxDepth = Math.max(minDepth + 2, n);
var stretchDepth = maxDepth + 1;
var check = bottomUpTree(0,stretchDepth).itemCheck();
var longLivedTree = bottomUpTree(0,maxDepth);
for (var depth=minDepth; depth<=maxDepth; depth+=2){
var iterations = 1 << (maxDepth - depth + minDepth);
check = 0;
for (var i=1; i<=iterations; i++){
check += bottomUpTree(i,depth).itemCheck();
check += bottomUpTree(-i,depth).itemCheck();
}
}
ret = longLivedTree.itemCheck();
}
var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
document.getElementById("console").innerHTML = _sunSpiderInterval;
</script>
</body>
</html>