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Diffstat (limited to 'build/pgo/js-input/sunspider/access-nbody.html')
| -rw-r--r-- | build/pgo/js-input/sunspider/access-nbody.html | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/build/pgo/js-input/sunspider/access-nbody.html b/build/pgo/js-input/sunspider/access-nbody.html new file mode 100644 index 000000000..4ef73c855 --- /dev/null +++ b/build/pgo/js-input/sunspider/access-nbody.html @@ -0,0 +1,219 @@ +<!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 access-nbody</title> + +</head> + +<body> +<h3>access-nbody</h3> +<div id="console"> +</div> + +<script> + +var _sunSpiderStartDate = new Date(); + +/* The Great Computer Language Shootout + http://shootout.alioth.debian.org/ + contributed by Isaac Gouy */ + +var PI = 3.141592653589793; +var SOLAR_MASS = 4 * PI * PI; +var DAYS_PER_YEAR = 365.24; + +function Body(x,y,z,vx,vy,vz,mass){ + this.x = x; + this.y = y; + this.z = z; + this.vx = vx; + this.vy = vy; + this.vz = vz; + this.mass = mass; +} + +Body.prototype.offsetMomentum = function(px,py,pz) { + this.vx = -px / SOLAR_MASS; + this.vy = -py / SOLAR_MASS; + this.vz = -pz / SOLAR_MASS; + return this; +} + +function Jupiter(){ + return new Body( + 4.84143144246472090e+00, + -1.16032004402742839e+00, + -1.03622044471123109e-01, + 1.66007664274403694e-03 * DAYS_PER_YEAR, + 7.69901118419740425e-03 * DAYS_PER_YEAR, + -6.90460016972063023e-05 * DAYS_PER_YEAR, + 9.54791938424326609e-04 * SOLAR_MASS + ); +} + +function Saturn(){ + return new Body( + 8.34336671824457987e+00, + 4.12479856412430479e+00, + -4.03523417114321381e-01, + -2.76742510726862411e-03 * DAYS_PER_YEAR, + 4.99852801234917238e-03 * DAYS_PER_YEAR, + 2.30417297573763929e-05 * DAYS_PER_YEAR, + 2.85885980666130812e-04 * SOLAR_MASS + ); +} + +function Uranus(){ + return new Body( + 1.28943695621391310e+01, + -1.51111514016986312e+01, + -2.23307578892655734e-01, + 2.96460137564761618e-03 * DAYS_PER_YEAR, + 2.37847173959480950e-03 * DAYS_PER_YEAR, + -2.96589568540237556e-05 * DAYS_PER_YEAR, + 4.36624404335156298e-05 * SOLAR_MASS + ); +} + +function Neptune(){ + return new Body( + 1.53796971148509165e+01, + -2.59193146099879641e+01, + 1.79258772950371181e-01, + 2.68067772490389322e-03 * DAYS_PER_YEAR, + 1.62824170038242295e-03 * DAYS_PER_YEAR, + -9.51592254519715870e-05 * DAYS_PER_YEAR, + 5.15138902046611451e-05 * SOLAR_MASS + ); +} + +function Sun(){ + return new Body(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, SOLAR_MASS); +} + + +function NBodySystem(bodies){ + this.bodies = bodies; + var px = 0.0; + var py = 0.0; + var pz = 0.0; + var size = this.bodies.length; + for (var i=0; i<size; i++){ + var b = this.bodies[i]; + var m = b.mass; + px += b.vx * m; + py += b.vy * m; + pz += b.vz * m; + } + this.bodies[0].offsetMomentum(px,py,pz); +} + +NBodySystem.prototype.advance = function(dt){ + var dx, dy, dz, distance, mag; + var size = this.bodies.length; + + for (var i=0; i<size; i++) { + var bodyi = this.bodies[i]; + for (var j=i+1; j<size; j++) { + var bodyj = this.bodies[j]; + dx = bodyi.x - bodyj.x; + dy = bodyi.y - bodyj.y; + dz = bodyi.z - bodyj.z; + + distance = Math.sqrt(dx*dx + dy*dy + dz*dz); + mag = dt / (distance * distance * distance); + + bodyi.vx -= dx * bodyj.mass * mag; + bodyi.vy -= dy * bodyj.mass * mag; + bodyi.vz -= dz * bodyj.mass * mag; + + bodyj.vx += dx * bodyi.mass * mag; + bodyj.vy += dy * bodyi.mass * mag; + bodyj.vz += dz * bodyi.mass * mag; + } + } + + for (var i=0; i<size; i++) { + var body = this.bodies[i]; + body.x += dt * body.vx; + body.y += dt * body.vy; + body.z += dt * body.vz; + } +} + +NBodySystem.prototype.energy = function(){ + var dx, dy, dz, distance; + var e = 0.0; + var size = this.bodies.length; + + for (var i=0; i<size; i++) { + var bodyi = this.bodies[i]; + + e += 0.5 * bodyi.mass * + ( bodyi.vx * bodyi.vx + + bodyi.vy * bodyi.vy + + bodyi.vz * bodyi.vz ); + + for (var j=i+1; j<size; j++) { + var bodyj = this.bodies[j]; + dx = bodyi.x - bodyj.x; + dy = bodyi.y - bodyj.y; + dz = bodyi.z - bodyj.z; + + distance = Math.sqrt(dx*dx + dy*dy + dz*dz); + e -= (bodyi.mass * bodyj.mass) / distance; + } + } + return e; +} + +var ret; + +for ( var n = 3; n <= 24; n *= 2 ) { + (function(){ + var bodies = new NBodySystem( Array( + Sun(),Jupiter(),Saturn(),Uranus(),Neptune() + )); + var max = n * 100; + + ret = bodies.energy(); + for (var i=0; i<max; i++){ + bodies.advance(0.01); + } + ret = bodies.energy(); + })(); +} + + +var _sunSpiderInterval = new Date() - _sunSpiderStartDate; + +document.getElementById("console").innerHTML = _sunSpiderInterval; +</script> + + +</body> +</html> |