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‎.ipynb_checkpoints/timeit_test-checkpoint.ipynb‎

Lines changed: 81 additions & 1 deletion
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{
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"metadata": {
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"name": "",
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"signature": "sha256:c78a9ef71605847c90e18bf10abda603339de473905dc928bd17aacd1ae5bee9"
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"signature": "sha256:30bb811f79dc78fe63221c8960bb4237c811b94fdf197b6479709aff3244cb08"
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},
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"nbformat": 3,
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"nbformat_minor": 0,
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"worksheets": [
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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Python benchmarks via `timeit`"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import timeit\n",
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"\n",
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"def reverse_join(my_str):\n",
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" return ''.join(reversed(my_str))\n",
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" \n",
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}
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],
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"prompt_number": 13
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### List Reversing - `[::-1]` vs. `reverse()` vs. `reversed()`"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import timeit\n",
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"\n",
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"def reverse_func(my_list):\n",
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" new_list = my_list[:]\n",
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" new_list.reverse()\n",
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" return new_list\n",
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" \n",
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"def reversed_func(my_list):\n",
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" return list(reversed(my_list))\n",
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"\n",
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"def reverse_slizing(my_list):\n",
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" return my_list[::-1]\n",
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"\n",
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"%timeit reverse_func([1,2,3,4,5])\n",
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"%timeit reversed_func([1,2,3,4,5])\n",
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"%timeit reverse_slizing([1,2,3,4,5])\n",
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"\n",
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"# Python 3.4.0\n",
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"# MacOS X 10.9.2\n",
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"# 2.4 GHz Intel Core Duo\n",
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"# 8 GB 1067 Mhz DDR3\n",
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"#"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"1000000 loops, best of 3: 857 ns per loop\n",
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"1000000 loops, best of 3: 1.78 \u00b5s per loop"
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]
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},
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"\n",
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"1000000 loops, best of 3: 758 ns per loop"
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]
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},
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"\n"
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]
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}
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],
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"prompt_number": 10
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [],
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"language": "python",
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"metadata": {},
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"outputs": []
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}
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],
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"metadata": {}

‎timeit_test.ipynb‎

Lines changed: 81 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,20 @@
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{
22
"metadata": {
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"name": "",
4-
"signature": "sha256:c78a9ef71605847c90e18bf10abda603339de473905dc928bd17aacd1ae5bee9"
4+
"signature": "sha256:30bb811f79dc78fe63221c8960bb4237c811b94fdf197b6479709aff3244cb08"
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},
66
"nbformat": 3,
77
"nbformat_minor": 0,
88
"worksheets": [
99
{
1010
"cells": [
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{
12+
"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Python benchmarks via `timeit`"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import timeit\n",
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"\n",
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"def reverse_join(my_str):\n",
7887
" return ''.join(reversed(my_str))\n",
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" \n",
@@ -115,6 +124,77 @@
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}
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],
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"prompt_number": 13
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### List Reversing - `[::-1]` vs. `reverse()` vs. `reversed()`"
133+
]
134+
},
135+
{
136+
"cell_type": "code",
137+
"collapsed": false,
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"input": [
139+
"import timeit\n",
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"\n",
141+
"def reverse_func(my_list):\n",
142+
" new_list = my_list[:]\n",
143+
" new_list.reverse()\n",
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" return new_list\n",
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" \n",
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"def reversed_func(my_list):\n",
147+
" return list(reversed(my_list))\n",
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"\n",
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"def reverse_slizing(my_list):\n",
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" return my_list[::-1]\n",
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"\n",
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"%timeit reverse_func([1,2,3,4,5])\n",
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"%timeit reversed_func([1,2,3,4,5])\n",
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"%timeit reverse_slizing([1,2,3,4,5])\n",
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"\n",
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"# Python 3.4.0\n",
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"# MacOS X 10.9.2\n",
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"# 2.4 GHz Intel Core Duo\n",
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"# 8 GB 1067 Mhz DDR3\n",
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"#"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"1000000 loops, best of 3: 857 ns per loop\n",
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"1000000 loops, best of 3: 1.78 \u00b5s per loop"
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]
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},
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"\n",
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"1000000 loops, best of 3: 758 ns per loop"
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]
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},
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"\n"
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]
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}
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],
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"prompt_number": 10
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [],
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"language": "python",
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"metadata": {},
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"outputs": []
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}
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],
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"metadata": {}

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