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bench.js
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bench.js
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import * as fs from 'fs';
import robustOrientation from 'robust-orientation';
import robustInSphere from 'robust-in-sphere';
import {orient2d, orient3d, incircle, insphere} from './index.js';
{
const r = 0.95;
const q = 18;
const p = 16.8;
const w = Math.pow(2, -44);
const size = 2000;
const id = `${size * size} x orient2d near-collinear (robust-predicates)`;
console.time(id);
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
const x = r + w * i / size;
const y = r + w * j / size;
orient2d(x, y, q, q, p, p);
}
}
console.timeEnd(id);
const id2 = `${size * size} x orient2d near-collinear (robust-orientation)`;
console.time(id2);
const a = [0, 0];
const b = [q, q];
const c = [p, p];
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
a[0] = r + w * i / size;
a[1] = r + w * j / size;
robustOrientation[3](a, b, c);
}
}
console.timeEnd(id2);
}
{
const lines = fs.readFileSync(new URL('test/fixtures/orient3d.txt', import.meta.url), 'utf8').trim().split(/\r?\n/);
const coords = new Float64Array(lines.length * 12);
const points = [];
let i = 0;
for (const line of lines) {
const [, ax, ay, az, bx, by, bz, cx, cy, cz, dx, dy, dz] = line.split(' ').map(Number);
coords[i++] = ax;
coords[i++] = ay;
coords[i++] = az;
coords[i++] = bx;
coords[i++] = by;
coords[i++] = bz;
coords[i++] = cx;
coords[i++] = cy;
coords[i++] = cz;
coords[i++] = dx;
coords[i++] = dy;
coords[i++] = dz;
points.push([ax, ay, az], [bx, by, bz], [cx, cy, cz], [dx, dy, dz]);
}
const N = 10000;
const id = `${N * lines.length} x orient3d (robust-predicates)`;
console.time(id);
for (let k = 0; k < N; k++) {
for (let i = 0; i < coords.length; i += 12) orient3d(
coords[i + 0], coords[i + 1], coords[i + 2],
coords[i + 3], coords[i + 4], coords[i + 5],
coords[i + 6], coords[i + 7], coords[i + 8],
coords[i + 9], coords[i + 10], coords[i + 11]
);
}
console.timeEnd(id);
const id2 = `${N * lines.length} x orient3d (robust-orientation)`;
console.time(id2);
for (let k = 0; k < N; k++) {
for (let i = 0; i < points.length; i += 4) robustOrientation[4](
points[i + 0],
points[i + 1],
points[i + 2],
points[i + 3]
);
}
console.timeEnd(id2);
}
{
const lines = fs.readFileSync(new URL('test/fixtures/incircle.txt', import.meta.url), 'utf8').trim().split(/\r?\n/);
const coords = new Float64Array(lines.length * 8);
const points = [];
let i = 0;
for (const line of lines) {
const [, ax, ay, bx, by, cx, cy, dx, dy] = line.split(' ').map(Number);
coords[i++] = ax;
coords[i++] = ay;
coords[i++] = bx;
coords[i++] = by;
coords[i++] = cx;
coords[i++] = cy;
coords[i++] = dx;
coords[i++] = dy;
points.push([ax, ay], [bx, by], [cx, cy], [dx, dy]);
}
const N = 100;
const id = `${N * lines.length} x incircle (robust-predicates)`;
console.time(id);
for (let k = 0; k < N; k++) {
for (let i = 0; i < coords.length; i += 8) incircle(
coords[i + 0], coords[i + 1],
coords[i + 2], coords[i + 3],
coords[i + 4], coords[i + 5],
coords[i + 6], coords[i + 7]
);
}
console.timeEnd(id);
const id2 = `${N * lines.length} x incircle (robust-orientation)`;
console.time(id2);
for (let k = 0; k < N; k++) {
for (let i = 0; i < points.length; i += 4) robustInSphere[4](
points[i + 0],
points[i + 1],
points[i + 2],
points[i + 3]
);
}
console.timeEnd(id2);
}
{
const lines = fs.readFileSync(new URL('test/fixtures/insphere.txt', import.meta.url), 'utf8').trim().split(/\r?\n/);
const coords = new Float64Array(lines.length * 15);
const points = [];
let i = 0;
for (const line of lines) {
const [, ax, ay, az, bx, by, bz, cx, cy, cz, dx, dy, dz, ex, ey, ez] = line.split(' ').map(Number);
coords[i++] = ax;
coords[i++] = ay;
coords[i++] = az;
coords[i++] = bx;
coords[i++] = by;
coords[i++] = bz;
coords[i++] = cx;
coords[i++] = cy;
coords[i++] = cz;
coords[i++] = dx;
coords[i++] = dy;
coords[i++] = dz;
coords[i++] = ex;
coords[i++] = ey;
coords[i++] = ez;
points.push([ax, ay, az], [bx, by, bz], [cx, cy, cz], [dx, dy, dz], [ex, ey, ez]);
}
const N = 10;
const id = `${N * lines.length} x insphere (robust-predicates)`;
console.time(id);
for (let k = 0; k < N; k++) {
for (let i = 0; i < coords.length; i += 15) insphere(
coords[i + 0], coords[i + 1], coords[i + 2],
coords[i + 3], coords[i + 4], coords[i + 5],
coords[i + 6], coords[i + 7], coords[i + 8],
coords[i + 9], coords[i + 10], coords[i + 11],
coords[i + 12], coords[i + 13], coords[i + 14]
);
}
console.timeEnd(id);
const id2 = `${N * lines.length} x insphere (robust-in-sphere)`;
console.time(id2);
for (let k = 0; k < N; k++) {
for (let i = 0; i < points.length; i += 5) robustInSphere[5](
points[i + 0],
points[i + 1],
points[i + 2],
points[i + 3],
points[i + 4]
);
}
console.timeEnd(id2);
}