File manager - Edit - /home/gzbnyc5/node-v0.10.30/benchmark/fs/write-stream-throughput.js
Back
// test the througput of the fs.WriteStream class. var path = require('path'); var common = require('../common.js'); var filename = path.resolve(__dirname, '.removeme-benchmark-garbage'); var fs = require('fs'); var bench = common.createBenchmark(main, { dur: [5], type: ['buf', 'asc', 'utf'], size: [2, 1024, 65535, 1024 * 1024] }); function main(conf) { var dur = +conf.dur; var type = conf.type; var size = +conf.size; var encoding; var chunk; switch (type) { case 'buf': chunk = new Buffer(size); chunk.fill('b'); break; case 'asc': chunk = new Array(size + 1).join('a'); encoding = 'ascii'; break; case 'utf': chunk = new Array(Math.ceil(size/2) + 1).join('ΓΌ'); encoding = 'utf8'; break; default: throw new Error('invalid type'); } try { fs.unlinkSync(filename); } catch (e) {} var started = false; var ending = false; var ended = false; setTimeout(function() { ending = true; f.end(); }, dur * 1000); var f = fs.createWriteStream(filename); f.on('drain', write); f.on('open', write); f.on('close', done); f.on('finish', function() { ended = true; var written = fs.statSync(filename).size / 1024; try { fs.unlinkSync(filename); } catch (e) {} bench.end(written / 1024); }); function write() { // don't try to write after we end, even if a 'drain' event comes. // v0.8 streams are so sloppy! if (ending) return; if (!started) { started = true; bench.start(); } while (false !== f.write(chunk, encoding)); } function done() { if (!ended) f.emit('finish'); } }
| ver. 1.4 |
Github
|
.
| PHP 8.2.31 | Generation time: 0 |
proxy
|
phpinfo
|
Settings