Mercurial Hosting > traffic-intelligence
comparison scripts/performance-lcss.py @ 730:a850a4f92735 dev
added performance script comparing lcss using cdist with default
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Tue, 11 Aug 2015 10:52:04 -0400 |
parents | |
children | 933670761a57 |
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729:dad99b86a104 | 730:a850a4f92735 |
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1 #! /usr/bin/env python | |
2 | |
3 import timeit | |
4 | |
5 vectorLength = 10 | |
6 number = 10 | |
7 | |
8 print('Default Python implementation with lambda') | |
9 print timeit.timeit('lcss.compute(random_sample(({},2)), random_sample(({}, 2)))'.format(vectorLength, vectorLength*2), setup = 'from utils import LCSS; from numpy.random import random_sample; lcss = LCSS(similarityFunc = lambda x,y: (abs(x[0]-y[0]) <= 0.1) and (abs(x[1]-y[1]) <= 0.1));', number = number) | |
10 | |
11 print('Using scipy distance.cdist') | |
12 print timeit.timeit('lcss.compute(random_sample(({},2)), random_sample(({}, 2)))'.format(vectorLength, vectorLength*2), setup = 'from utils import LCSS; from numpy.random import random_sample; lcss = LCSS(metric = "cityblock", epsilon = 0.1);', number = number) |