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python Programming Glossary: measurefind length of sequences of identical values in a numpy array http://stackoverflow.com/questions/1066758/find-length-of-sequences-of-identical-values-in-a-numpy-array are often very fast so do give this one a try and measure times for various solutions including this one of course def..
What is the most efficient string concatenation method in python? http://stackoverflow.com/questions/1316887/what-is-the-most-efficient-string-concatenation-method-in-python don't optimize unless you know you need to and measure rather than guessing. You can measure different methods using.. know you need to and measure rather than guessing. You can measure different methods using the timeit module. That can tell you..
How can I quantify difference between two images? http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images or zero norm the number of elements not equal to zero to measure how much the image has changed. The former will tell you how..
Python: removing duplicates from a list of lists http://stackoverflow.com/questions/2213923/python-removing-duplicates-from-a-list-of-lists probability distributions deciding which performance measures to optimize maybe the upper bound or the 90th centile is more.. on input data characteristics and so forth. Careful measurements of point performance code A vs code B for a specific input.. input samples possibly detecting some simple measure that could heuristically let you pick one or the other approach..
Why are Python Programs often slower than the Equivalent Program Written in C or C++? http://stackoverflow.com/questions/3033329/why-are-python-programs-often-slower-than-the-equivalent-program-written-in-c-or runs 10 to 100 times faster than Python code if you measure only the execution time. However if you also include the development..
Inverse Distance Weighted (IDW) Interpolation with Python http://stackoverflow.com/questions/3104781/inverse-distance-weighted-idw-interpolation-with-python volume weighting. Scaling if different X coordinates measure different things Euclidean distance can be way off. For example..
How can I speed up fetching pages with urllib2 in python? http://stackoverflow.com/questions/3490173/how-can-i-speed-up-fetching-pages-with-urllib2-in-python involved I have to say this is not a valid test to measure the systematic performance difference between async I O and..
how to calculate the area of a polygon on the earth's surface using python http://stackoverflow.com/questions/4681737/how-to-calculate-the-area-of-a-polygon-on-the-earths-surface-using-python with a more GIS flavor then you need to select an unit of measure for your area and find an appropriate projection that preserves..
http://stackoverflow.com/questions/5073767/how-can-i-efficiently-process-a-numpy-array-in-blocks-similar-to-matlabs-blkpro some performance penalties. So be prepared to all ways measure your performance. In any case it's wise to first check if the..
Try/catch or validation for speed? http://stackoverflow.com/questions/5589532/try-catch-or-validation-for-speed handling. Answering this definitively requires real timing measurements. As a rough rule of thumb if there is a potential race.. to fail more than half the time use LBYL if in doubt measure it People will vary as to what they consider most of the time..
Analyze audio using Fast Fourier Transform http://stackoverflow.com/questions/604453/analyze-audio-using-fast-fourier-transform of 172 Hz until you get to 128. In an FFT you only can measure frequencies up to half your sample points. Read these links..
Measure time elapsed in Python? http://stackoverflow.com/questions/7370801/measure-time-elapsed-in-python time somewhere in my code and then get the passed time to measure the time it took to execute few function. I think I'm using.. end timeit.timeit print end start python performance measure timeit share improve this question If you just want to measure.. timeit share improve this question If you just want to measure the elapsed wall clock time between two points you could use..
Benchmarking (python vs. c++ using BLAS) and (numpy) http://stackoverflow.com/questions/7596612/benchmarking-python-vs-c-using-blas-and-numpy libblas.so RTLD_LAZY void Func dlsym handle sgemm_ I measure the time with gettimeofday like this gettimeofday start NULL..
http://stackoverflow.com/questions/886221/does-django-scale What's the largest site that's built on Django today I measure size mostly by user traffic Can Django deal with 100 000 users..
How to learn Python: Good Example Code? [closed] http://stackoverflow.com/questions/918/how-to-learn-python-good-example-code most just a few extra .py files maybe one package for good measure ... Oh and one more thing The reason this is coming up is I..
Optimizing performance of Postgresql database writes in Django? http://stackoverflow.com/questions/9423539/optimizing-performance-of-postgresql-database-writes-in-django enough. But you don't have to guess just do a test run and measure it select pg_size_pretty pg_total_relation_size 'tmp_x' Create..
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