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benchmark: add benchmarks for encodings
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PR-URL: #50348
Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
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Uzlopak authored and targos committed Nov 11, 2023
1 parent 5b453d4 commit 3f37ed9
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Showing 6 changed files with 111 additions and 3 deletions.
10 changes: 9 additions & 1 deletion benchmark/buffers/buffer-base64-decode.js
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,15 @@ function main({ n, size }) {
assert.strictEqual(s.length % 4, 0);
const b = Buffer.allocUnsafe(encodedSize);
b.write(s, 0, encodedSize, 'base64');

let tmp;

bench.start();
for (let i = 0; i < n; i += 1) b.base64Write(s, 0, s.length);

for (let i = 0; i < n; i += 1)
tmp = b.base64Write(s, 0, s.length);

bench.end(n);

assert.strictEqual(tmp, encodedSize);
}
11 changes: 10 additions & 1 deletion benchmark/buffers/buffer-base64-encode.js
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@

'use strict';
const common = require('../common.js');
const assert = require('assert');

const bench = common.createBenchmark(main, {
len: [64 * 1024 * 1024],
Expand All @@ -35,7 +36,15 @@ function main({ n, len }) {
let i;
for (i = 0; i < 256; ++i) s += String.fromCharCode(i);
for (i = 0; i < len; i += 256) b.write(s, i, 256, 'ascii');

let tmp;

bench.start();
for (i = 0; i < n; ++i) b.toString('base64');

for (i = 0; i < n; ++i)
tmp = b.toString('base64');

bench.end(n);

assert.strictEqual(typeof tmp, 'string');
}
29 changes: 29 additions & 0 deletions benchmark/buffers/buffer-base64url-decode.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
'use strict';
const assert = require('assert');
const common = require('../common.js');

const bench = common.createBenchmark(main, {
n: [32],
size: [8 << 20],
});

function main({ n, size }) {
const s = 'abcd'.repeat(size);
const encodedSize = s.length * 3 / 4;
// eslint-disable-next-line node-core/no-unescaped-regexp-dot
s.match(/./); // Flatten string.
assert.strictEqual(s.length % 4, 0);
const b = Buffer.allocUnsafe(encodedSize);
b.write(s, 0, encodedSize, 'base64url');

let tmp;

bench.start();

for (let i = 0; i < n; i += 1)
tmp = b.base64Write(s, 0, s.length);

bench.end(n);

assert.strictEqual(tmp, encodedSize);
}
29 changes: 29 additions & 0 deletions benchmark/buffers/buffer-base64url-encode.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
'use strict';
const common = require('../common.js');
const assert = require('assert');

const bench = common.createBenchmark(main, {
len: [64 * 1024 * 1024],
n: [32],
}, {
test: { len: 256 },
});

function main({ n, len }) {
const b = Buffer.allocUnsafe(len);
let s = '';
let i;
for (i = 0; i < 256; ++i) s += String.fromCharCode(i);
for (i = 0; i < len; i += 256) b.write(s, i, 256, 'ascii');

let tmp;

bench.start();

for (i = 0; i < n; ++i)
tmp = b.toString('base64url');

bench.end(n);

assert.strictEqual(typeof tmp, 'string');
}
29 changes: 29 additions & 0 deletions benchmark/buffers/buffer-hex-decode.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
'use strict';

const common = require('../common.js');
const assert = require('assert');

const bench = common.createBenchmark(main, {
len: [64, 1024],
n: [1e6],
});

function main({ len, n }) {
const buf = Buffer.alloc(len);

for (let i = 0; i < buf.length; i++)
buf[i] = i & 0xff;

const plain = buf;

bench.start();

let tmp;

for (let i = 0; i < n; i += 1)
tmp = plain.toString('hex');

bench.end(n);

assert.strictEqual(typeof tmp, 'string');
}
Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
'use strict';

const common = require('../common.js');
const assert = require('assert');

const bench = common.createBenchmark(main, {
len: [64, 1024],
Expand All @@ -14,11 +15,14 @@ function main({ len, n }) {
buf[i] = i & 0xff;

const hex = buf.toString('hex');
let tmp;

bench.start();

for (let i = 0; i < n; i += 1)
Buffer.from(hex, 'hex');
tmp = Buffer.from(hex, 'hex');

bench.end(n);

assert.strictEqual(typeof tmp, 'object');
}

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