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benchmark: add benchmarks for encodings · nodejs/node@3f37ed9 · GitHub

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Commit 3f37ed9

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Uzlopak
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targos
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benchmark: add benchmarks for encodings
PR-URL: #50348 Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
1 parent 5b453d4 commit 3f37ed9

6 files changed

Lines changed: 111 additions & 3 deletions

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‎benchmark/buffers/buffer-base64-decode.js‎

Lines changed: 9 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -15,7 +15,15 @@ function main({ n, size }) {
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assert.strictEqual(s.length % 4, 0);
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const b = Buffer.allocUnsafe(encodedSize);
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b.write(s, 0, encodedSize, 'base64');
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let tmp;
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bench.start();
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for (let i = 0; i < n; i += 1) b.base64Write(s, 0, s.length);
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for (let i = 0; i < n; i += 1)
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tmp = b.base64Write(s, 0, s.length);
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bench.end(n);
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assert.strictEqual(tmp, encodedSize);
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}

‎benchmark/buffers/buffer-base64-encode.js‎

Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -21,6 +21,7 @@
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'use strict';
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const common = require('../common.js');
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const assert = require('assert');
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const bench = common.createBenchmark(main, {
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len: [64 * 1024 * 1024],
@@ -35,7 +36,15 @@ function main({ n, len }) {
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let i;
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for (i = 0; i < 256; ++i) s += String.fromCharCode(i);
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for (i = 0; i < len; i += 256) b.write(s, i, 256, 'ascii');
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let tmp;
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bench.start();
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for (i = 0; i < n; ++i) b.toString('base64');
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for (i = 0; i < n; ++i)
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tmp = b.toString('base64');
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bench.end(n);
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assert.strictEqual(typeof tmp, 'string');
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}

‎benchmark/buffers/buffer-base64url-decode.js‎

Lines changed: 29 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
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'use strict';
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const assert = require('assert');
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const common = require('../common.js');
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const bench = common.createBenchmark(main, {
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n: [32],
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size: [8 << 20],
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});
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function main({ n, size }) {
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const s = 'abcd'.repeat(size);
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const encodedSize = s.length * 3 / 4;
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// eslint-disable-next-line node-core/no-unescaped-regexp-dot
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s.match(/./); // Flatten string.
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assert.strictEqual(s.length % 4, 0);
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const b = Buffer.allocUnsafe(encodedSize);
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b.write(s, 0, encodedSize, 'base64url');
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let tmp;
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bench.start();
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for (let i = 0; i < n; i += 1)
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tmp = b.base64Write(s, 0, s.length);
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bench.end(n);
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assert.strictEqual(tmp, encodedSize);
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}

‎benchmark/buffers/buffer-base64url-encode.js‎

Lines changed: 29 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
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'use strict';
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const common = require('../common.js');
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const assert = require('assert');
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const bench = common.createBenchmark(main, {
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len: [64 * 1024 * 1024],
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n: [32],
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}, {
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test: { len: 256 },
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});
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function main({ n, len }) {
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const b = Buffer.allocUnsafe(len);
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let s = '';
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let i;
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for (i = 0; i < 256; ++i) s += String.fromCharCode(i);
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for (i = 0; i < len; i += 256) b.write(s, i, 256, 'ascii');
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let tmp;
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bench.start();
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for (i = 0; i < n; ++i)
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tmp = b.toString('base64url');
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bench.end(n);
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assert.strictEqual(typeof tmp, 'string');
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}

‎benchmark/buffers/buffer-hex-decode.js‎

Lines changed: 29 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
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'use strict';
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const common = require('../common.js');
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const assert = require('assert');
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const bench = common.createBenchmark(main, {
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len: [64, 1024],
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n: [1e6],
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});
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function main({ len, n }) {
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const buf = Buffer.alloc(len);
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for (let i = 0; i < buf.length; i++)
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buf[i] = i & 0xff;
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const plain = buf;
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bench.start();
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let tmp;
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for (let i = 0; i < n; i += 1)
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tmp = plain.toString('hex');
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bench.end(n);
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assert.strictEqual(typeof tmp, 'string');
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}

benchmark/buffers/buffer-hex.js renamed to benchmark/buffers/buffer-hex-encode.js

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
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'use strict';
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const common = require('../common.js');
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const assert = require('assert');
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const bench = common.createBenchmark(main, {
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len: [64, 1024],
@@ -14,11 +15,14 @@ function main({ len, n }) {
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buf[i] = i & 0xff;
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const hex = buf.toString('hex');
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let tmp;
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bench.start();
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for (let i = 0; i < n; i += 1)
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Buffer.from(hex, 'hex');
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tmp = Buffer.from(hex, 'hex');
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bench.end(n);
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assert.strictEqual(typeof tmp, 'object');
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}

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