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svelte/benchmarking/benchmarks/reactivity/kairo/kairo_triangle.js

112 lines
2.0 KiB

import { assert, fastest_test } from '../../../utils.js';
import * as $ from 'svelte/internal/client';
let width = 10;
function count(number) {
return new Array(number)
.fill(0)
.map((_, i) => i + 1)
.reduce((x, y) => x + y, 0);
}
function setup() {
let head = $.state(0);
let current = head;
let list = [];
for (let i = 0; i < width; i++) {
let c = current;
list.push(current);
current = $.derived(() => {
return $.get(c) + 1;
});
}
let sum = $.derived(() => {
return list.map((x) => $.get(x)).reduce((a, b) => a + b, 0);
});
let counter = 0;
const destroy = $.effect_root(() => {
$.render_effect(() => {
$.get(sum);
counter++;
});
});
return {
destroy,
run() {
const constant = count(width);
$.flush_sync(() => {
$.set(head, 1);
});
assert($.get(sum) === constant);
counter = 0;
for (let i = 0; i < 100; i++) {
$.flush_sync(() => {
$.set(head, i);
});
assert($.get(sum) === constant - width + i * width);
}
assert(counter === 100);
}
};
}
export async function kairo_triangle_unowned() {
// Do 10 loops to warm up JIT
for (let i = 0; i < 10; i++) {
const { run, destroy } = setup();
run();
destroy();
}
const { run, destroy } = setup();
const { timing } = await fastest_test(10, () => {
for (let i = 0; i < 100; i++) {
run();
}
});
destroy();
return {
benchmark: 'kairo_triangle_unowned',
time: timing.time.toFixed(2),
gc_time: timing.gc_time.toFixed(2)
};
}
export async function kairo_triangle_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();
destroy();
}
({ run, destroy } = setup());
});
const { timing } = await fastest_test(10, () => {
for (let i = 0; i < 100; i++) {
run();
}
});
// @ts-ignore
destroy();
destroy_owned();
return {
benchmark: 'kairo_triangle_owned',
time: timing.time.toFixed(2),
gc_time: timing.gc_time.toFixed(2)
};
}