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perf(ext/crypto): optimize getRandomValues (#16212)

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Divy Srivastava 2022-10-09 03:08:38 -07:00 • committed by GitHub
parent cc3e2b9b1a
commit a622c5df27
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3 changed files with 32 additions and 6 deletions
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cli/bench/getrandom.js Normal file
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// Copyright 2018-2022 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));