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benchmark/crypto/webcrypto-digest.js
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Lei Shi
benchmark: increase the iteration number to an appropriate value
19 ноя 2023, 09:33
Не верифицирован
19 ноя 2023, 09:33
bae7e38
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'use strict'; const common = require('../common.js'); const { createHash } = require('crypto'); const { subtle } = globalThis.crypto; const bench = common.createBenchmark(main, { sync: ['createHash', 'subtle'], data: [10, 20, 50, 100], method: ['SHA-1', 'SHA-256', 'SHA-384', 'SHA-512'], n: [1e5], }); const kMethods = { 'SHA-1': 'sha1', 'SHA-256': 'sha256', 'SHA-384': 'sha384', 'SHA-512': 'sha512', }; // This benchmark only looks at clock time and ignores factors // such as event loop delay, event loop utilization, and memory. // As such, it is expected that the synchronous legacy method // will always be faster in clock time. function measureLegacy(n, data, method) { method = kMethods[method]; bench.start(); for (let i = 0; i < n; ++i) { createHash(method).update(data).digest(); } bench.end(n); } function measureSubtle(n, data, method) { const ec = new TextEncoder(); data = ec.encode(data); const jobs = new Array(n); bench.start(); for (let i = 0; i < n; i++) jobs[i] = subtle.digest(method, data); Promise.all(jobs).then(() => bench.end(n)).catch((err) => { process.nextTick(() => { throw err; }); }); } function main({ n, sync, data, method }) { data = globalThis.crypto.getRandomValues(Buffer.alloc(data)); switch (sync) { case 'createHash': return measureLegacy(n, data, method); case 'subtle': return measureSubtle(n, data, method); } }