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python Programming Glossary: timingWhy does Python code run faster in a function? http://stackoverflow.com/questions/11241523/why-does-python-code-run-faster-in-a-function 0m4.543s user 0m4.524s sys 0m0.012s Why is this Note The timing is done with the time function in BASH in Linux. python performance..
Keyboard input with timeout in Python http://stackoverflow.com/questions/1335507/keyboard-input-with-timeout-in-python Python How would you prompt the user for some input but timing out after N seconds Google is pointing to a mail thread about..
timeit versus timing decorator http://stackoverflow.com/questions/1622943/timeit-versus-timing-decorator versus timing decorator I'm trying to time some code. First I used a timing.. decorator I'm trying to time some code. First I used a timing decorator # usr bin env python import time from itertools import.. from itertools import izip from random import shuffle def timing_val func def wrapper arg kw '''source http www.daniweb.com code..
more efficient way to calculate distance in numpy? http://stackoverflow.com/questions/17527340/more-efficient-way-to-calculate-distance-in-numpy doing the sqrt over the entire array so there is really no timing difference due to that. The question remains how come the first.. EDIT I cannot run tests on such a large dataset but these timings are rather enlightening len_a len_b 10000 1000 a np.random.rand..
Timeout function if it takes too long to finish http://stackoverflow.com/questions/2281850/timeout-function-if-it-takes-too-long-to-finish python share improve this question The process for timing out an operations is described in the documentation for signal..
Why is printing to stdout so slow? Can it be sped up? http://stackoverflow.com/questions/3857052/why-is-printing-to-stdout-so-slow-can-it-be-sped-up print_timer.py ' at the bottom of this question to compare timing when writing 100k lines to stdout to file and with stdout redirected.. file and with stdout redirected to dev null . Here is the timing result python print_timer.py this is a test this is a test snipped.. a test this is a test snipped 99997 lines this is a test timing summary 100k lines each print 11.950 s write to file fsync..
NumPy: calculate averages with NaNs removed http://stackoverflow.com/questions/5480694/numpy-calculate-averages-with-nans-removed np.nan # the desired answer Edit Combining all of the timing data from timeit import Timer setupstr import numpy as np from..
Try/catch or validation for speed? http://stackoverflow.com/questions/5589532/try-catch-or-validation-for-speed EAFP or Easier to Ask Forgiveness than Permission . Those timings are Timing when the check succeeds with LBYL Timing when the.. handling. Answering this definitively requires real timing measurements. As a rough rule of thumb if there is a potential..
How can you profile a Python script? http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script the given answers are somewhat kludgey i.e. adding timing code to __main__ so I thought I'd share my solution. python..
Selenium: FirefoxProfile exception Can't load the profile http://stackoverflow.com/questions/6682009/selenium-firefoxprofile-exception-cant-load-the-profile is fixed. This error means that _wait_until_connectable is timing out because for some reason the code cannot connect to the webdriver..
Measure time elapsed in Python? http://stackoverflow.com/questions/7370801/measure-time-elapsed-in-python this is the function to use for benchmarking Python or timing algorithms. On Windows this function returns wall clock seconds..
How can I print and display subprocess stdout and stderr output without distortion? http://stackoverflow.com/questions/7729336/how-can-i-print-and-display-subprocess-stdout-and-stderr-output-without-distorti of my questions on accounting for subprocess overhead in timing . python subprocess share improve this question Make the..
http://stackoverflow.com/questions/8220801/how-to-use-timeit-correctly copy of the unsorted data on every pass. Also note the timing technique of running the measurement suite seven times and keeping..
Why is early return slower than else? http://stackoverflow.com/questions/8271139/why-is-early-return-slower-than-else in detail EDIT Seems not everybody is able to reproduce my timings so I thought it might be useful to give some info on my system... difference is the name of the function. In particular the timing test does a lookup on the global name. Try renaming without_else..
Python - time.clock() vs. time.time() - accuracy? http://stackoverflow.com/questions/85451/python-time-clock-vs-time-time-accuracy vs. time.time accuracy Which is better to use for timing in Python time.clock or time.time Which one provides more accuracy.. this is the function to use for benchmarking Python or timing algorithms. Additionally there is the timeit module for benchmarking..
Plot image color histogram using matplotlib http://stackoverflow.com/questions/12182891/plot-image-color-histogram-using-matplotlib of 'bars' try doing it yourself with rectangle on a canvas Timing Posted code above 75s Drawing a line for each one i.e. plt.plot..
A Fast Prime Number Sieve in Python http://stackoverflow.com/questions/16004407/a-fast-prime-number-sieve-in-python i v in enumerate sieve_for_primes_to 10000000 if v and i 0 Timing the execution returns python m timeit n10 s import euler euler.sieve_for_primes_to..
Finding Combinations to the provided Sum value http://stackoverflow.com/questions/20193555/finding-combinations-to-the-provided-sum-value 57 57 99 57 57 156 57 71 71 71 57 99 114 71 71 128 114 156 Timing def a lst target with_replacement False def _a idx l r t w if.. from __main__ import vals b number 10 Timing Output no replacement 0.0273933852733 0.683039054001 with replacement..
Best way to strip punctuation from a string in Python http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python problem doing it at as low a level as possible pays off. Timing code import re string timeit s string. With. Punctuation exclude..
Try/catch or validation for speed? http://stackoverflow.com/questions/5589532/try-catch-or-validation-for-speed to Ask Forgiveness than Permission . Those timings are Timing when the check succeeds with LBYL Timing when the check fails.. Those timings are Timing when the check succeeds with LBYL Timing when the check fails with LBYL Timing when an exception is not.. succeeds with LBYL Timing when the check fails with LBYL Timing when an exception is not thrown with EAFP Timing when an exception..
Why do std::string operations perform poorly? http://stackoverflow.com/questions/8310039/why-do-stdstring-operations-perform-poorly return printf x's length zu n size int main test return 0 Timing matt@stanley ~ Desktop time . smash x's length 104448 real 0m0.681s..
Profiled performance of len(set) vs. set.__len__() in Python 3 http://stackoverflow.com/questions/8778691/profiled-performance-of-lenset-vs-set-len-in-python-3 single call from lenA to len but timed lenB as a whole. Timing a call always adds some overhead in the case of lenA you see..
Timing out urllib2 urlopen operation in Python 2.4 http://stackoverflow.com/questions/9312286/timing-out-urllib2-urlopen-operation-in-python-2-4 out urllib2 urlopen operation in Python 2.4 I've just inherited..
chunk a text database into N equal blocks and retain header http://stackoverflow.com/questions/9626842/chunk-a-text-database-into-n-equal-blocks-and-retain-header line 1234566 line 1234566 line 1234566 line 1234566 Timing of the above real 0m0.935s user 0m0.708s sys 0m0.200s Hope this..
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