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86 lines
1.7 KiB
86 lines
1.7 KiB
import { fastest_test } from '../utils.js';
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import * as $ from '../../packages/svelte/src/internal/client/index.js';
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/**
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* @param {number} n
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*/
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function fib(n) {
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if (n < 2) return 1;
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return fib(n - 1) + fib(n - 2);
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}
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/**
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* @param {number} n
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*/
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function hard(n) {
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return n + fib(16);
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}
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const numbers = Array.from({ length: 5 }, (_, i) => i);
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function setup() {
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let res = [];
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const A = $.source(0);
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const B = $.source(0);
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const C = $.derived(() => ($.get(A) % 2) + ($.get(B) % 2));
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const D = $.derived(() => numbers.map((i) => ({ x: i + ($.get(A) % 2) - ($.get(B) % 2) })));
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const E = $.derived(() => hard($.get(C) + $.get(A) + $.get(D)[0].x));
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const F = $.derived(() => hard($.get(D)[2].x || $.get(B)));
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const G = $.derived(() => $.get(C) + ($.get(C) || $.get(E) % 2) + $.get(D)[4].x + $.get(F));
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const destroy = $.effect_root(() => {
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$.render_effect(() => {
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res.push(hard($.get(G)));
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});
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$.render_effect(() => {
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res.push($.get(G));
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});
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$.render_effect(() => {
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res.push(hard($.get(F)));
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});
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});
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return {
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destroy,
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/**
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* @param {number} i
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*/
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run(i) {
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res.length = 0;
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$.flush_sync(() => {
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$.set(B, 1);
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$.set(A, 1 + i * 2);
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});
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$.flush_sync(() => {
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$.set(A, 2 + i * 2);
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$.set(B, 2);
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});
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}
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};
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}
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export async function mol_bench() {
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// Do 10 loops to warm up JIT
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for (let i = 0; i < 10; i++) {
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const { run, destroy } = setup();
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run(0);
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destroy();
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}
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const { run, destroy } = setup();
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const { timing } = await fastest_test(10, () => {
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for (let i = 0; i < 1e4; i++) {
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run(i);
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}
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});
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destroy();
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return {
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benchmark: 'mol_bench',
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time: timing.time.toFixed(2),
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gc_time: timing.gc_time.toFixed(2)
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};
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}
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