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// Call fs.readFile over and over again really fast. // Then see how many times it got called. // Yes, this is a silly benchmark. Most benchmarks are silly. 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], len: [1024, 16 * 1024 * 1024], concurrent: [1, 10] }); function main(conf) { var len = +conf.len; try { fs.unlinkSync(filename); } catch (e) {} var data = new Buffer(len); data.fill('x'); fs.writeFileSync(filename, data); data = null; var reads = 0; bench.start(); setTimeout(function() { bench.end(reads); try { fs.unlinkSync(filename); } catch (e) {} }, +conf.dur * 1000); function read() { fs.readFile(filename, afterRead); } function afterRead(er, data) { if (er) throw er; if (data.length !== len) throw new Error('wrong number of bytes returned'); reads++; read(); } var cur = +conf.concurrent; while (cur--) read(); }
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