deno.land / x / deno@v1.28.2 / cli / bench / deno_common.js
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
// v8 builtin that's close to the upper bound non-NOPsDeno.bench("date_now", { n: 5e5 }, () => { Date.now();});
// Fast API calls{ // deno-lint-ignore camelcase const { op_add } = Deno.core.ops; // deno-lint-ignore no-inner-declarations function add(a, b) { return op_add(a, b); } // deno-lint-ignore no-inner-declarations function addJS(a, b) { return a + b; } Deno.bench("op_add", () => add(1, 2)); Deno.bench("add_js", () => addJS(1, 2));}
// deno-lint-ignore camelcaseconst { op_void_sync } = Deno.core.ops;function sync() { return op_void_sync();}sync(); // Warmup
// Void ops measure op-overheadDeno.bench("op_void_sync", () => sync());
Deno.bench( "op_void_async", { n: 1e6 }, () => Deno.core.opAsync("op_void_async"),);
// A very lightweight op, that should be highly optimizableDeno.bench("perf_now", { n: 5e5 }, () => { performance.now();});
Deno.bench("open_file_sync", () => { const file = Deno.openSync("./cli/bench/testdata/128k.bin"); file.close();});
// A common "language feature", that should be fast// also a decent representation of a non-trivial JSON-op{ let i = 0; Deno.bench("url_parse", { n: 5e4 }, () => { new URL(`http://www.google.com/${i}`); i++; });}
Deno.bench("blob_text_large", { n: 100 }, () => { new Blob([input]).text();});
const input = "long-string".repeat(99999);Deno.bench("b64_rt_long", { n: 100 }, () => { atob(btoa(input));});
Deno.bench("b64_rt_short", { n: 1e6 }, () => { atob(btoa("123"));});
{ const buf = new Uint8Array(100); const file = Deno.openSync("/dev/zero"); Deno.bench("read_zero", { n: 5e5 }, () => { Deno.readSync(file.rid, buf); });}
{ // Not too large since we want to measure op-overhead not sys IO const dataChunk = new Uint8Array(100); const file = Deno.openSync("/dev/null", { write: true }); Deno.bench("write_null", { n: 5e5 }, () => { Deno.writeSync(file.rid, dataChunk); });}
Deno.bench( "read_128k", { n: 5e4 }, () => Deno.readFile("./cli/bench/testdata/128k.bin"),);
Deno.bench("request_new", { n: 5e5 }, () => new Request("https://deno.land"));
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