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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) : 10000;
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 { subtle } = typeof crypto !== "undefined"  ? crypto  : require("crypto").webcrypto;
bench(() => subtle.generateKey("X25519", true, ["deriveKey"]));