1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-11-22 15:06:54 -05:00
denoland-deno/cli/bench/getrandom.js
David Sherret 2fee8394a9
chore: update copyright year to 2023 (#17247)
Yearly tradition of creating extra noise in git.
2023-01-05 13:05:49 +01:00

21 lines
699 B
JavaScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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) : 100000;
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) await bench(fun);
}
const c = typeof crypto !== "undefined" ? crypto : require("crypto").webcrypto;
const ui8 = new Uint8Array(1024);
bench(() => c.getRandomValues(ui8));