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| 1 | +{ |
| 2 | + "cells": [ |
| 3 | + { |
| 4 | + "cell_type": "markdown", |
| 5 | + "id": "b404a1ed-4939-4bac-843e-d46c3e4ec268", |
| 6 | + "metadata": {}, |
| 7 | + "source": [ |
| 8 | + "## Comparing Cython, mpypyc, and default Python speed\n", |
| 9 | + "\n", |
| 10 | + "On a simple thing:\n", |
| 11 | + "- mypyc gives a 10x speed-up\n", |
| 12 | + "- cython-3 a 40x speed-up" |
| 13 | + ] |
| 14 | + }, |
| 15 | + { |
| 16 | + "cell_type": "code", |
| 17 | + "execution_count": 1, |
| 18 | + "id": "98f1413e-e664-4c0e-9182-556d7f192319", |
| 19 | + "metadata": { |
| 20 | + "tags": [] |
| 21 | + }, |
| 22 | + "outputs": [], |
| 23 | + "source": [ |
| 24 | + "%load_ext mypyc_ipython" |
| 25 | + ] |
| 26 | + }, |
| 27 | + { |
| 28 | + "cell_type": "code", |
| 29 | + "execution_count": 2, |
| 30 | + "id": "5286f9f6-347b-4c84-870f-677f32eb935d", |
| 31 | + "metadata": { |
| 32 | + "tags": [] |
| 33 | + }, |
| 34 | + "outputs": [], |
| 35 | + "source": [ |
| 36 | + "def py_fibonacci(n: int) -> int:\n", |
| 37 | + " if n <= 1+1:\n", |
| 38 | + " return 1\n", |
| 39 | + " else:\n", |
| 40 | + " return py_fibonacci(n-1) + py_fibonacci(n-2)" |
| 41 | + ] |
| 42 | + }, |
| 43 | + { |
| 44 | + "cell_type": "code", |
| 45 | + "execution_count": 3, |
| 46 | + "id": "a0083738-2588-4923-92b3-135038c9a248", |
| 47 | + "metadata": { |
| 48 | + "tags": [] |
| 49 | + }, |
| 50 | + "outputs": [], |
| 51 | + "source": [ |
| 52 | + "%%mypyc\n", |
| 53 | + "def my_fibonacci(n: int) -> int:\n", |
| 54 | + " if n <= 2:\n", |
| 55 | + " return 1\n", |
| 56 | + " else:\n", |
| 57 | + " return my_fibonacci(n-1) + my_fibonacci(n-2)" |
| 58 | + ] |
| 59 | + }, |
| 60 | + { |
| 61 | + "cell_type": "code", |
| 62 | + "execution_count": 4, |
| 63 | + "id": "af675113-798c-46cc-9ce0-b607420fe720", |
| 64 | + "metadata": { |
| 65 | + "tags": [] |
| 66 | + }, |
| 67 | + "outputs": [], |
| 68 | + "source": [ |
| 69 | + "%load_ext cython" |
| 70 | + ] |
| 71 | + }, |
| 72 | + { |
| 73 | + "cell_type": "code", |
| 74 | + "execution_count": 5, |
| 75 | + "id": "3060e007-0887-47c2-bcf2-f304ecace0be", |
| 76 | + "metadata": { |
| 77 | + "tags": [] |
| 78 | + }, |
| 79 | + "outputs": [], |
| 80 | + "source": [ |
| 81 | + "%%cython\n", |
| 82 | + "cpdef int cy_fibonacci(int n):\n", |
| 83 | + " if n <= 2:\n", |
| 84 | + " return 1\n", |
| 85 | + " else:\n", |
| 86 | + " return cy_fibonacci(n-1) + cy_fibonacci(n-2)" |
| 87 | + ] |
| 88 | + }, |
| 89 | + { |
| 90 | + "cell_type": "code", |
| 91 | + "execution_count": 6, |
| 92 | + "id": "444c2112-8c38-4064-b7df-3609375688fa", |
| 93 | + "metadata": { |
| 94 | + "tags": [] |
| 95 | + }, |
| 96 | + "outputs": [ |
| 97 | + { |
| 98 | + "name": "stdout", |
| 99 | + "output_type": "stream", |
| 100 | + "text": [ |
| 101 | + "101 ms ± 503 µs per loop (mean ± std. dev. of 7 runs, 10 loops each)\n" |
| 102 | + ] |
| 103 | + } |
| 104 | + ], |
| 105 | + "source": [ |
| 106 | + "%timeit py_fibonacci(30)" |
| 107 | + ] |
| 108 | + }, |
| 109 | + { |
| 110 | + "cell_type": "code", |
| 111 | + "execution_count": 7, |
| 112 | + "id": "1bec3d97-229d-479f-b18d-99402c4a19d2", |
| 113 | + "metadata": { |
| 114 | + "tags": [] |
| 115 | + }, |
| 116 | + "outputs": [ |
| 117 | + { |
| 118 | + "name": "stdout", |
| 119 | + "output_type": "stream", |
| 120 | + "text": [ |
| 121 | + "8.55 ms ± 248 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n" |
| 122 | + ] |
| 123 | + } |
| 124 | + ], |
| 125 | + "source": [ |
| 126 | + "%timeit my_fibonacci(30)" |
| 127 | + ] |
| 128 | + }, |
| 129 | + { |
| 130 | + "cell_type": "code", |
| 131 | + "execution_count": 8, |
| 132 | + "id": "66da0aba-d10d-4204-a8dd-90100aa495d8", |
| 133 | + "metadata": { |
| 134 | + "tags": [] |
| 135 | + }, |
| 136 | + "outputs": [ |
| 137 | + { |
| 138 | + "name": "stdout", |
| 139 | + "output_type": "stream", |
| 140 | + "text": [ |
| 141 | + "2.35 ms ± 75.3 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n" |
| 142 | + ] |
| 143 | + } |
| 144 | + ], |
| 145 | + "source": [ |
| 146 | + "%timeit cy_fibonacci(30)" |
| 147 | + ] |
| 148 | + }, |
| 149 | + { |
| 150 | + "cell_type": "code", |
| 151 | + "execution_count": null, |
| 152 | + "id": "d2aa1e9d-a74b-4e00-9ea8-9f9baa12275b", |
| 153 | + "metadata": {}, |
| 154 | + "outputs": [], |
| 155 | + "source": [] |
| 156 | + } |
| 157 | + ], |
| 158 | + "metadata": { |
| 159 | + "kernelspec": { |
| 160 | + "display_name": "Python 3 (ipykernel)", |
| 161 | + "language": "python", |
| 162 | + "name": "python3" |
| 163 | + }, |
| 164 | + "language_info": { |
| 165 | + "codemirror_mode": { |
| 166 | + "name": "ipython", |
| 167 | + "version": 3 |
| 168 | + }, |
| 169 | + "file_extension": ".py", |
| 170 | + "mimetype": "text/x-python", |
| 171 | + "name": "python", |
| 172 | + "nbconvert_exporter": "python", |
| 173 | + "pygments_lexer": "ipython3", |
| 174 | + "version": "3.11.3" |
| 175 | + } |
| 176 | + }, |
| 177 | + "nbformat": 4, |
| 178 | + "nbformat_minor": 5 |
| 179 | +} |
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