import { assert, fastest_test } from '../utils.js'; import * as $ from '../../packages/svelte/src/internal/client/index.js'; /** * @param {number} n */ function fib(n) { if (n < 2) return 1; return fib(n - 1) + fib(n - 2); } /** * @param {number} n */ function hard(n) { return n + fib(16); } const numbers = Array.from({ length: 5 }, (_, i) => i); function setup() { let res = []; const A = $.source(0); const B = $.source(0); const C = $.derived(() => ($.get(A) % 2) + ($.get(B) % 2)); const D = $.derived(() => numbers.map((i) => i + ($.get(A) % 2) - ($.get(B) % 2))); D.equals = function (/** @type {number[]} */ l) { var r = this.v; return r !== null && l.length === r.length && l.every((v, i) => v === r[i]); }; const E = $.derived(() => hard($.get(C) + $.get(A) + $.get(D)[0])); const F = $.derived(() => hard($.get(D)[0] && $.get(B))); const G = $.derived(() => $.get(C) + ($.get(C) || $.get(E) % 2) + $.get(D)[0] + $.get(F)); const destroy = $.effect_root(() => { $.render_effect(() => { res.push(hard($.get(G))); }); $.render_effect(() => { res.push($.get(G)); }); $.render_effect(() => { res.push(hard($.get(F))); }); }); return { destroy, /** * @param {number} i */ run(i) { res.length = 0; $.flush_sync(() => { $.set(B, 1); $.set(A, 1 + i * 2); }); $.flush_sync(() => { $.set(A, 2 + i * 2); $.set(B, 2); }); assert(res[0] === 3198 && res[1] === 1601 && res[2] === 3195 && res[3] === 1598); } }; } export async function mol_bench_owned() { let run, destroy; const destroy_owned = $.effect_root(() => { // Do 10 loops to warm up JIT for (let i = 0; i < 10; i++) { const { run, destroy } = setup(); run(0); destroy(); } ({ run, destroy } = setup()); }); const { timing } = await fastest_test(10, () => { for (let i = 0; i < 1e4; i++) { run(i); } }); // @ts-ignore destroy(); destroy_owned(); return { benchmark: 'mol_bench_owned', time: timing.time.toFixed(2), gc_time: timing.gc_time.toFixed(2) }; } export async function mol_bench_unowned() { // Do 10 loops to warm up JIT for (let i = 0; i < 10; i++) { const { run, destroy } = setup(); run(0); destroy(); } const { run, destroy } = setup(); const { timing } = await fastest_test(10, () => { for (let i = 0; i < 1e4; i++) { run(i); } }); destroy(); return { benchmark: 'mol_bench_unowned', time: timing.time.toFixed(2), gc_time: timing.gc_time.toFixed(2) }; }