deno/cli/bench/async_ops.js
Bartek Iwańczuk abd9610530
refactor: remove Deno.core (#16881)
This commit removes "Deno.core" namespace. It is strictly private API
that has no stability guarantees, we were supposed to remove it long time ago.

Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>
2023-01-24 18:54:10 +01:00

21 lines
710 B
JavaScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
const queueMicrotask = globalThis.queueMicrotask || process.nextTick;
let [total, count] = typeof Deno !== "undefined"
? Deno.args
: [process.argv[2], process.argv[3]];
total = total ? parseInt(total, 0) : 50;
count = count ? parseInt(count, 10) : 1000000;
async function bench(fun) {
const start = Date.now();
for (let i = 0; i < count; i++) await fun();
const elapsed = Date.now() - start;
const rate = Math.floor(count / (elapsed / 1000));
console.log(`time ${elapsed} ms rate ${rate}`);
if (--total) queueMicrotask(() => bench(fun));
}
const { ops } = Deno[Deno.internal].core;
bench(() => ops.op_void_async());