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denoland-deno/cli/bench/stdio/stdio.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

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JavaScript

// From https://github.com/just-js/benchmarks/tree/main/01-stdio
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
const blocksize = parseInt(Deno.args[0] || 65536);
const buf = new Uint8Array(blocksize);
let size = 0;
let reads = 0;
let n = Deno.stdin.readSync(buf);
while (n > 0) {
reads++;
size += n;
n = Deno.stdin.readSync(buf);
}
if (n < 0) throw new Error("Bad Read");
console.log(`size ${size} reads ${reads} blocksize ${blocksize}`);