Multiple instances of node.js on different cores

Question

I would like to set up 4 different node.js instances, each on their own core. Does node.js stack new instances on the same core, or set them on new cores also?

The insta

Answer 1

try this:

var cluster = require('cluster')
  , numCPUs = require('os').cpus().length;

if(cluster.isMaster) {
  // Fork workers.
  for (var i = 0; i < numCPUs; i++) {
    cluster.fork();
  }

  cluster.on('exit', function(worker, code, signal) {
    console.log('worker ' + worker.pid + ' died');
  });

  return;
}

complete code here

also, look here