mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 08:02:06 +00:00
c459d8ea5d
PR-URL: https://github.com/nodejs/node/pull/11752 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
new BenchmarkSuite('Closures', [1000], [
|
|
new Benchmark('ShortLivingClosures', false, false, 0,
|
|
ShortLivingClosures, ShortLivingClosuresSetup, ShortLivingClosuresTearDown)
|
|
]);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
|
|
// The pattern is this example is very common in Node.js.
|
|
var fs = {
|
|
readFile: function(filename, cb) {
|
|
cb(null, {length: 12});
|
|
}
|
|
};
|
|
|
|
|
|
function printLength (filename) {
|
|
fs.readFile(filename, foo);
|
|
|
|
function foo (err, buf) {
|
|
if (err) return;
|
|
for (var j = 0; j<1000; j++) {
|
|
// Do some work to make the optimization actually worth while
|
|
buf.length++;
|
|
}
|
|
return (buf.length);
|
|
}
|
|
}
|
|
|
|
|
|
function ShortLivingClosuresSetup() {}
|
|
|
|
function ShortLivingClosures() {
|
|
result = printLength('foo_bar.js');
|
|
}
|
|
|
|
function ShortLivingClosuresTearDown() {
|
|
return result == 1012;
|
|
}
|