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-rw-r--r-- | build/pgo/js-input/sunspider/math-spectral-norm.html | 101 |
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> |