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perf(runtime): short-circuit queue_async_op for Poll::Ready (#15773)

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Divy Srivastava 2022-09-06 23:08:37 +05:30 • committed by GitHub
parent c0a684c14e
commit d2a408f452
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15 changed files with 295 additions and 167 deletions
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cli/bench/async_ops.js Normal file
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// Copyright 2018-2022 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) : 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) queueMicrotask(() => bench(fun));
}
bench(() => Deno.core.opAsync("op_void_async"));