python Programming Glossary: bottleneck

http://stackoverflow.com/questions/1125504/django-persistent-database-connection

hundreds per second . I faced with problem that the bottleneck is that a django don't have persistent database connection and..

How to speed up matplotlib when plotting and saving lots of figures?

http://stackoverflow.com/questions/11688318/how-to-speed-up-matplotlib-when-plotting-and-saving-lots-of-figures

to plot and save all 39 figures. I dont' know where the bottleneck is. May you help to make it faster Thanks python matplotlib..

Time complexity of accessing a Python dict

http://stackoverflow.com/questions/1963507/time-complexity-of-accessing-a-python-dict

I use a dictionary to memoize values. That seems to be a bottleneck. The values I'm hashing are tuples of points. Each point is..

Python: removing duplicates from a list of lists

http://stackoverflow.com/questions/2213923/python-removing-duplicates-from-a-list-of-lists

efforts. But sometimes essentially for tragically crucial bottlenecks in deep inner loops of code that's pushing the boundaries of.. and profiling shows it to be the program's performance bottleneck keeping a set of tuples all the time and getting a list of lists..

Why “is” keyword has different behavior when there is dot in the string?

http://stackoverflow.com/questions/2858603/why-is-keyword-has-different-behavior-when-there-is-dot-in-the-string

Python lazy property decorator

http://stackoverflow.com/questions/3012421/python-lazy-property-decorator

over the lifetime of the instance but they're a real bottleneck to calculate that first time and only really accessed for special..

List filtering: list comprehension vs. lambda + filter

http://stackoverflow.com/questions/3013449/list-filtering-list-comprehension-vs-lambda-filter

until you've timed your code and found it to be a bottleneck but the difference will be there. The other overhead that might..

Concatenating two lists - difference between '+=' and extend()

http://stackoverflow.com/questions/3653298/concatenating-two-lists-difference-between-and-extend

How to improve performance of this code?

http://stackoverflow.com/questions/4295799/how-to-improve-performance-of-this-code

question I've been tripped up by this before too. The bottleneck here is actually if neighbor in closedlist . The in statement..

Extending python - to swig, not to swig or Cython

http://stackoverflow.com/questions/456884/extending-python-to-swig-not-to-swig-or-cython

python to swig not to swig or Cython I found the bottleneck in my python code played around with psycho etc. Then decided.. early optimization syndrome and now you want to optimize bottleneck parts great But if you do the C python interface by hand you..

Why don't scripting languages output Unicode to the Windows console?

http://stackoverflow.com/questions/4942305/why-dont-scripting-languages-output-unicode-to-the-windows-console

instead of forcing everything through the ANSI codepage bottleneck Is it just that cross platform performance is low priority Is..

Fast tensor rotation with NumPy

http://stackoverflow.com/questions/4962606/fast-tensor-rotation-with-numpy

need to rotate a lot of tensors many times and this is my bottleneck. My naive implementation below involving eight nested loops..

What Python way would you suggest to check whois database records?

http://stackoverflow.com/questions/50394/what-python-way-would-you-suggest-to-check-whois-database-records

should be able to leverage them . If speed ends up being a bottleneck your abstraction makes the process of switching to a native..

Try/catch or validation for speed?

http://stackoverflow.com/questions/5589532/try-catch-or-validation-for-speed

Multiprocessing useless with urllib2?

http://stackoverflow.com/questions/6905800/multiprocessing-useless-with-urllib2

you speed up url calls with multiprocessing or ain織t the bottleneck something like the network adapter I don織t see which part of..

Class views in Django

http://stackoverflow.com/questions/742/class-views-in-django

rare that Python code execution would be your performance bottleneck in a web app. UPDATE Django's own generic views are now class..

why is plotting with Matplotlib so slow?

http://stackoverflow.com/questions/8955869/why-is-plotting-with-matplotlib-so-slow

1 Calling fig.canvas.draw redraws everything . It's your bottleneck. In your case you don't need to re draw things like the axes..

Why are pandas merges in python faster than data.table merges in R?

http://stackoverflow.com/questions/8991709/why-are-pandas-merges-in-python-faster-than-data-table-merges-in-r

be significantly faster as factorizing is the biggest bottleneck for this algorithm. I should also add that the internal design..

Why is reading lines from stdin much slower in C++ than Python?

http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python

that at this point other parts of the code will become the bottleneck so I don't think optimizing to that level would even be worthwhile..