Created
October 9, 2017 16:29
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A simple test file to test the performance of vector function execution in any infrastructure
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{ | |
"cells": [ | |
{ | |
"cell_type": "markdown", | |
"metadata": { | |
"collapsed": true | |
}, | |
"source": [ | |
"This file is going to do a vector multiplication using np.dot and normal for loop based multiplication to test the performance of the underlaying CPU/GPU to execute parallel commands.\n", | |
"\n", | |
"Importing required libaries first" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 1, | |
"metadata": { | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"import time\n", | |
"import numpy as np" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"Creating the vectors" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"metadata": { | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"a = np.random.rand(1000000)\n", | |
"b = np.random.rand(1000000)" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"First the for loop version of vector multiplication" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 5, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"250016.716733\n", | |
"For Loop 453.6769390106201 ms\n" | |
] | |
} | |
], | |
"source": [ | |
"t1 = time.time()\n", | |
"dot = 0\n", | |
"for i in range(1000000):\n", | |
" dot += a[i]*b[i]\n", | |
"t2 = time.time()\n", | |
"print(dot)\n", | |
"print(\"For Loop \" + str(1000* (t2-t1)) + \" ms\")" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"Now the vectorized version via np.dot" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 6, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"250016.716733\n", | |
"Vectorized version 2.1622180938720703 ms\n" | |
] | |
} | |
], | |
"source": [ | |
"t1 = time.time()\n", | |
"dot = np.dot(a,b)\n", | |
"t2 = time.time()\n", | |
"print(dot)\n", | |
"print(\"Vectorized version \" + str(1000* (t2-t1)) + \" ms\")" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": { | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Python 3.6", | |
"language": "python", | |
"name": "python36" | |
}, | |
"language_info": { | |
"codemirror_mode": { | |
"name": "ipython", | |
"version": 3 | |
}, | |
"file_extension": ".py", | |
"mimetype": "text/x-python", | |
"name": "python", | |
"nbconvert_exporter": "python", | |
"pygments_lexer": "ipython3", | |
"version": "3.6.0" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 2 | |
} |
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