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Update n-body sources and binary for rust. Add bench results (#172)

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This commit is contained in:
Max Graey
2018-07-21 15:11:39 +03:00
committed by Daniel Wirtz
parent 00fb45fcad
commit 813d2e33c8
15 changed files with 704 additions and 779 deletions
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15
examples/n-body/build/index.js
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@ -1,9 +1,7 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
require("allocator/arena");
// From The Computer Language Benchmarks Game
// http://benchmarksgame.alioth.debian.org
const SOLAR_MASS = 4.0 * Math.PI * Math.PI;
const SOLAR_MASS = (4.0 * Math.PI * Math.PI);
const DAYS_PER_YEAR = 365.24;
class Body {
constructor(x, y, z, vx, vy, vz, mass) {
@ -44,7 +42,7 @@ class NBodySystem {
var py = 0.0;
var pz = 0.0;
var size = bodies.length;
for (let i = 0; i < size; i++) {
for (let i = 0; i < size; ++i) {
let b = unchecked(bodies[i]);
let m = b.mass;
px += b.vx * m;
@ -107,7 +105,7 @@ class NBodySystem {
let bim = bodyi.mass;
e += 0.5 * bim * (vx * vx + vy * vy + vz * vz);
for (let j = i + 1; j < size; ++j) {
let bodyj = bodies[j];
let bodyj = unchecked(bodies[j]);
let dx = ix - bodyj.x;
let dy = iy - bodyj.y;
let dz = iz - bodyj.z;
@ -129,18 +127,13 @@ function init() {
]);
}
exports.init = init;
function getBody(index) {
var bodies = system.bodies;
return index < bodies.length ? bodies[index] : null;
}
exports.getBody = getBody;
function step() {
system.advance(0.01);
return system.energy();
}
exports.step = step;
function bench(steps) {
for (let i = 0; i < steps; i++)
for (let i = 0; i < steps; ++i)
system.advance(0.01);
}
exports.bench = bench;