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palindrom upd

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rasbt 2014-04-19 07:54:41 -04:00
parent add8b700d9
commit 4d8752c904
1 changed files with 23 additions and 9 deletions
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32
benchmarks/palindrome_timeit.ipynb
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@ -1,7 +1,7 @@
{
"metadata": {
"name": "",
"signature": "sha256:2d59017b21afaeadb093fa062632884c6d9d2e32933483326066a3219fba638c"
"signature": "sha256:6ea19109869c82ee989c8ea0599ec49401e74246a542ad0b7b05f6ef464bda19"
},
"nbformat": 3,
"nbformat_minor": 0,
@ -45,6 +45,11 @@
" letters = [c for c in my_str.lower() if c in LOWERS]\n",
" return letters == letters[::-1]\n",
"\n",
"LOWERS = set(string.ascii_lowercase)\n",
"def palindrome_stringlib2(my_str):\n",
" letters = [c for c in my_str.lower() if c in LOWERS]\n",
" return letters == letters[::-1]\n",
"\n",
"def palindrome_isalpha(my_str):\n",
" stripped_str = [l for l in my_str.lower() if l.isalpha()]\n",
" return stripped_str == stripped_str[::-1]\n",
@ -74,7 +79,7 @@
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 7
"prompt_number": 10
},
{
"cell_type": "code",
@ -86,6 +91,7 @@
"%timeit palindrome_short(test_str)\n",
"%timeit palindrome_regex(test_str)\n",
"%timeit palindrome_stringlib(test_str)\n",
"%timeit palindrome_stringlib2(test_str)\n",
"%timeit palindrome_isalpha(test_str)\n",
"\n",
"print('\\n\\nfunctions considering all characters (case-sensitive)')\n",
@ -109,7 +115,7 @@
"stream": "stdout",
"text": [
"\n",
"10000 loops, best of 3: 20.2 \u00b5s per loop"
"100000 loops, best of 3: 19.9 \u00b5s per loop"
]
},
{
@ -117,7 +123,7 @@
"stream": "stdout",
"text": [
"\n",
"100000 loops, best of 3: 12 \u00b5s per loop"
"100000 loops, best of 3: 13.5 \u00b5s per loop"
]
},
{
@ -125,7 +131,15 @@
"stream": "stdout",
"text": [
"\n",
"100000 loops, best of 3: 9.45 \u00b5s per loop"
"100000 loops, best of 3: 8.58 \u00b5s per loop"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"100000 loops, best of 3: 9.42 \u00b5s per loop"
]
},
{
@ -136,7 +150,7 @@
"\n",
"\n",
"functions considering all characters (case-sensitive)\n",
"1000000 loops, best of 3: 498 ns per loop"
"1000000 loops, best of 3: 508 ns per loop"
]
},
{
@ -144,7 +158,7 @@
"stream": "stdout",
"text": [
"\n",
"100000 loops, best of 3: 3.28 \u00b5s per loop"
"100000 loops, best of 3: 3.08 \u00b5s per loop"
]
},
{
@ -152,7 +166,7 @@
"stream": "stdout",
"text": [
"\n",
"1000000 loops, best of 3: 478 ns per loop"
"1000000 loops, best of 3: 480 ns per loop"
]
},
{
@ -163,7 +177,7 @@
]
}
],
"prompt_number": 8
"prompt_number": 11
},
{
"cell_type": "code",