docs/examples/parallel/helloworld.ipynb

{
 "metadata": {
  "name": "helloworld"
 },
 "nbformat": 3,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "source": [
      "# Distributed hello world",
      "",
      "Originally by Ken Kinder (ken at kenkinder dom com)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": true,
     "input": [
      "from IPython.parallel import Client"
     ],
     "language": "python",
     "outputs": [],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": true,
     "input": [
      "rc = Client()",
      "view = rc.load_balanced_view()"
     ],
     "language": "python",
     "outputs": [],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": true,
     "input": [
      "def sleep_and_echo(t, msg):",
      "    import time",
      "    time.sleep(t)",
      "    return msg"
     ],
     "language": "python",
     "outputs": [],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
     "collapsed": true,
     "input": [
      "world = view.apply_async(sleep_and_echo, 3, 'World!')",
      "hello = view.apply_async(sleep_and_echo, 2, 'Hello')"
     ],
     "language": "python",
     "outputs": [],
     "prompt_number": 4
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print \"Submitted tasks:\", hello.msg_ids, world.msg_ids",
      "print hello.get(), world.get()"
     ],
     "language": "python",
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Submitted tasks: ['dd1052e0-aa75-4b25-9d35-ecbdaf6e3ed7'] ['1b46aa21-20d1-459c-bc36-2d8d03336f74']",
        "Hello"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " World!"
       ]
      }
     ],
     "prompt_number": 5
    }
   ]
  }
 ]
}