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63 lines
1.1 KiB
63 lines
1.1 KiB
var SlowBuffer = require('buffer').SlowBuffer;
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var common = require('../common.js');
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var assert = require('assert');
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var bench = common.createBenchmark(main, {
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size: [16, 512, 1024, 4096, 16386],
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type: ['fast', 'slow'],
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method: ['for', 'forOf', 'iterator'],
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n: [1e3]
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});
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var methods = {
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'for': benchFor,
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'forOf': benchForOf,
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'iterator': benchIterator
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};
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function main(conf) {
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var len = +conf.size;
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var clazz = conf.type === 'fast' ? Buffer : SlowBuffer;
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var buffer = new clazz(len);
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buffer.fill(0);
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methods[conf.method](buffer, conf.n);
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}
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function benchFor(buffer, n) {
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bench.start();
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for (var k = 0; k < n; k++)
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for (var i = 0; i < buffer.length; i++)
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assert(buffer[i] === 0);
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bench.end(n);
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}
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function benchForOf(buffer, n) {
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bench.start();
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for (var k = 0; k < n; k++)
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for (var b of buffer)
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assert(b === 0);
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bench.end(n);
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}
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function benchIterator(buffer, n) {
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bench.start();
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for (var k = 0; k < n; k++) {
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var iter = buffer[Symbol.iterator]();
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var cur = iter.next();
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while (!cur.done) {
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assert(cur.value === 0);
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cur = iter.next();
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}
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}
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bench.end(n);
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}
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