buffer_incoming.js

var sys = require('sys');

var incoming = [];

// Pre-build a giant array of buffers to simulate incoming data
for (i = 0; i < 500000; i++) {
  incoming.push(new Buffer('12345678901234567890123456789012345678901234567890123456789012345678901234567890123468901234567890'));
}

function do_test(name, method) {
  var i;
  for (i = 0; i < 5; i++) {
    var start = Date.now();
    method();
    var finish = Date.now();
    sys.error(name + ": " + (finish - start) + " ms (run " + i + ")");
  }
}

do_test("String Concatenation", function() {
  var i;
  var buffer = [];
  for (i = 0; i < incoming.length; i++) {
    buffer += incoming[i];
  }
});

do_test("Buffer Array", function() {
  var i;
  var buffer = [];
  for (i = 0; i < incoming.length; i++) {
    buffer.push(incoming[i]);
  }
  var result = buffer.join('');
});

do_test("String Array", function() {
  var i;
  var buffer = [];
  for (i = 0; i < incoming.length; i++) {
    buffer.push(incoming[i].toString());
  }
  var result = buffer.join('');
});