docs/examples/parallel/helloworld.ipynb

{
    "nbformat": 2, 
    "metadata": {
        "name": "helloworld"
    }, 
    "worksheets": [
        {
            "cells": [
                {
                    "source": "# Distributed hello world\n\nOriginally by Ken Kinder (ken at kenkinder dom com)", 
                    "cell_type": "markdown"
                }, 
                {
                    "cell_type": "code", 
                    "language": "python", 
                    "outputs": [], 
                    "collapsed": true, 
                    "prompt_number": 3, 
                    "input": "from IPython.parallel import Client"
                }, 
                {
                    "cell_type": "code", 
                    "language": "python", 
                    "outputs": [], 
                    "collapsed": true, 
                    "prompt_number": 4, 
                    "input": "rc = Client()\nview = rc.load_balanced_view()"
                }, 
                {
                    "cell_type": "code", 
                    "language": "python", 
                    "outputs": [], 
                    "collapsed": true, 
                    "prompt_number": 5, 
                    "input": "def sleep_and_echo(t, msg):\n    import time\n    time.sleep(t)\n    return msg"
                }, 
                {
                    "cell_type": "code", 
                    "language": "python", 
                    "outputs": [], 
                    "collapsed": true, 
                    "prompt_number": 6, 
                    "input": "world = view.apply_async(sleep_and_echo, 3, 'World!')\nhello = view.apply_async(sleep_and_echo, 2, 'Hello')\n"
                }, 
                {
                    "cell_type": "code", 
                    "language": "python", 
                    "outputs": [
                        {
                            "output_type": "stream", 
                            "text": "Submitted tasks: ['9e533683-d54e-4588-929e-984dd3eb6dc4'] ['90395f15-723f-44df-a743-a5d88cdeb6a0']\nHello"
                        }, 
                        {
                            "output_type": "stream", 
                            "text": "World!"
                        }
                    ], 
                    "collapsed": false, 
                    "prompt_number": 7, 
                    "input": "print \"Submitted tasks:\", hello.msg_ids, world.msg_ids\nprint hello.get(), world.get()"
                }
            ]
        }
    ]
}