node/benchmark/startup.js at pointer_bindings · mycoding/node · GitHub

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var spawn = require('child_process').spawn,

path = require('path'),

emptyJsFile = path.join(__dirname, '../test/fixtures/semicolon.js'),

starts = 100,

i = 0,

start;

function startNode() {

var node = spawn(process.execPath || process.argv[0], [emptyJsFile]);

node.on('exit', function(exitCode) {

if (exitCode !== 0) {

throw new Error('Error during node startup');

}

i++;

if (i < starts) {

startNode();

} else{

var duration = +new Date - start;

console.log('Started node %d times in %s ms. %d ms / start.', starts, duration, duration / starts);

}

});

}

start = +new Date;

startNode();