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Merge pull request #3062 from juliantaylor/double-pyximport-test...
Merge pull request #3062 from juliantaylor/double-pyximport-test test double pyximport (#3007)

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task1.ipynb
139 lines | 2.5 KiB | text/plain | TextLexer
Brian E. Granger
Converting notebooks to JSON format.
r4634 {
Brian Granger
Updating example notebooks to v3 format.
r6035 "metadata": {
"name": "task1"
},
"nbformat": 3,
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r7739 "nbformat_minor": 0,
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r6035 "worksheets": [
{
"cells": [
{
"cell_type": "markdown",
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r7739 "metadata": {},
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r6035 "source": [
"# Simple task farming example"
]
},
{
"cell_type": "code",
"collapsed": true,
"input": [
"from IPython.parallel import Client"
],
"language": "python",
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r7739 "metadata": {},
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r6035 "outputs": [],
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r7739 "prompt_number": 1
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r6035 },
{
"cell_type": "markdown",
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r7739 "metadata": {},
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r6035 "source": [
"A `Client.load_balanced_view` is used to get the object used for working with load balanced tasks."
]
},
{
"cell_type": "code",
"collapsed": true,
"input": [
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r7739 "rc = Client()\n",
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r6035 "v = rc.load_balanced_view()"
],
"language": "python",
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r7739 "metadata": {},
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r6035 "outputs": [],
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r7739 "prompt_number": 2
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r6035 },
{
"cell_type": "markdown",
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r7739 "metadata": {},
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r6035 "source": [
"Set the variable `d` on all engines:"
]
},
{
"cell_type": "code",
"collapsed": true,
"input": [
"rc[:]['d'] = 30"
],
"language": "python",
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r7739 "metadata": {},
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r6035 "outputs": [],
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r7739 "prompt_number": 3
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r6035 },
{
"cell_type": "markdown",
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r7739 "metadata": {},
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r6035 "source": [
"Define a function that will be our task:"
]
},
{
"cell_type": "code",
"collapsed": true,
"input": [
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r7739 "def task(a):\n",
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r6035 " return a, 10*d, a*10*d"
],
"language": "python",
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r7739 "metadata": {},
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r6035 "outputs": [],
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r7739 "prompt_number": 4
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r6035 },
{
"cell_type": "markdown",
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r7739 "metadata": {},
Brian Granger
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r6035 "source": [
"Run the task once:"
]
},
{
"cell_type": "code",
"collapsed": true,
"input": [
"ar = v.apply(task, 5)"
],
"language": "python",
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r7739 "metadata": {},
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r6035 "outputs": [],
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r7739 "prompt_number": 5
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r6035 },
{
"cell_type": "markdown",
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r7739 "metadata": {},
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r6035 "source": [
"Print the results:"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"print \"a, b, c: \", ar.get()"
],
"language": "python",
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r7739 "metadata": {},
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r6035 "outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
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r7739 "a, b, c: [5, 300, 1500]\n"
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r6035 ]
}
],
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r7739 "prompt_number": 6
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
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r6035 }
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r7739 ],
"metadata": {}
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r6035 }
]
Brian E. Granger
Converting notebooks to JSON format.
r4634 }