From a622c5df27e908bff152ce7374c47dabfdba0bba Mon Sep 17 00:00:00 2001 From: Divy Srivastava Date: Sun, 9 Oct 2022 03:08:38 -0700 Subject: perf(ext/crypto): optimize `getRandomValues` (#16212) --- cli/bench/getrandom.js | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 cli/bench/getrandom.js (limited to 'cli/bench/getrandom.js') diff --git a/cli/bench/getrandom.js b/cli/bench/getrandom.js new file mode 100644 index 000000000..94df0a802 --- /dev/null +++ b/cli/bench/getrandom.js @@ -0,0 +1,21 @@ +// 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)); -- cgit v1.2.3