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benchmark: refactor buffer benchmarks
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Add configuration object createBenchmark object for buffer size &
iteration in buffer-base64-encode & buffer-base64-decode.js.

PR-URL: #10175
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Brian White <[email protected]>
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troy0820 authored and MylesBorins committed Jan 23, 2017
1 parent d8fe84e commit da36e6b
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Showing 2 changed files with 18 additions and 11 deletions.
9 changes: 6 additions & 3 deletions benchmark/buffers/buffer-base64-decode.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,15 +2,18 @@
const assert = require('assert');
const common = require('../common.js');

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

function main(conf) {
const n = +conf.n;
const s = 'abcd'.repeat(8 << 20);
s.match(/./); // Flatten string.
assert.strictEqual(s.length % 4, 0);
const b = Buffer.allocUnsafe(s.length / 4 * 3);
b.write(s, 0, s.length, 'base64');
bench.start();
for (var i = 0; i < 32; i += 1) b.base64Write(s, 0, s.length);
bench.end(32);
for (var i = 0; i < n; i += 1) b.base64Write(s, 0, s.length);
bench.end(n);
}
20 changes: 12 additions & 8 deletions benchmark/buffers/buffer-base64-encode.js
Original file line number Diff line number Diff line change
@@ -1,16 +1,20 @@
'use strict';
var common = require('../common.js');

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

function main(conf) {
var N = 64 * 1024 * 1024;
var b = Buffer.allocUnsafe(N);
var s = '';
var i;
const n = +conf.n;
const len = +conf.len;
const b = Buffer.allocUnsafe(len);
let s = '';
let i;
for (i = 0; i < 256; ++i) s += String.fromCharCode(i);
for (i = 0; i < N; i += 256) b.write(s, i, 256, 'ascii');
for (i = 0; i < len; i += 256) b.write(s, i, 256, 'ascii');
bench.start();
for (i = 0; i < 32; ++i) b.toString('base64');
bench.end(64);
for (i = 0; i < n; ++i) b.toString('base64');
bench.end(n);
}

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