summaryrefslogtreecommitdiffstats
path: root/build/pgo/js-input/sunspider/math-spectral-norm.html
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--build/pgo/js-input/sunspider/math-spectral-norm.html101
1 files changed, 101 insertions, 0 deletions
diff --git a/build/pgo/js-input/sunspider/math-spectral-norm.html b/build/pgo/js-input/sunspider/math-spectral-norm.html
new file mode 100644
index 0000000000..2949f9d780
--- /dev/null
+++ b/build/pgo/js-input/sunspider/math-spectral-norm.html
@@ -0,0 +1,101 @@
+<!DOCTYPE html>
+<head>
+<!--
+ Copyright (C) 2007 Apple Inc. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+-->
+
+<title>SunSpider math-spectral-norm</title>
+
+</head>
+
+<body>
+<h3>math-spectral-norm</h3>
+<div id="console">
+</div>
+
+<script>
+
+var _sunSpiderStartDate = new Date();
+
+// The Great Computer Language Shootout
+// http://shootout.alioth.debian.org/
+//
+// contributed by Ian Osgood
+
+function A(i,j) {
+ return 1/((i+j)*(i+j+1)/2+i+1);
+}
+
+function Au(u,v) {
+ for (var i=0; i<u.length; ++i) {
+ var t = 0;
+ for (var j=0; j<u.length; ++j)
+ t += A(i,j) * u[j];
+ v[i] = t;
+ }
+}
+
+function Atu(u,v) {
+ for (var i=0; i<u.length; ++i) {
+ var t = 0;
+ for (var j=0; j<u.length; ++j)
+ t += A(j,i) * u[j];
+ v[i] = t;
+ }
+}
+
+function AtAu(u,v,w) {
+ Au(u,w);
+ Atu(w,v);
+}
+
+function spectralnorm(n) {
+ var i, u=[], v=[], w=[], vv=0, vBv=0;
+ for (i=0; i<n; ++i) {
+ u[i] = 1; v[i] = w[i] = 0;
+ }
+ for (i=0; i<10; ++i) {
+ AtAu(u,v,w);
+ AtAu(v,u,w);
+ }
+ for (i=0; i<n; ++i) {
+ vBv += u[i]*v[i];
+ vv += v[i]*v[i];
+ }
+ return Math.sqrt(vBv/vv);
+}
+
+for (var i = 6; i <= 48; i *= 2) {
+ spectralnorm(i);
+}
+
+
+var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
+
+document.getElementById("console").innerHTML = _sunSpiderInterval;
+</script>
+
+
+</body>
+</html>