ˇ@

Home 

python Programming Glossary: overhead

How can I profile a SQLAlchemy powered application?

http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application

to note that in Python function calls have the highest overhead of any operation and the count of calls is more often than not.. which use a fancy SQL capturing scheme which cuts out the overhead of the DBAPI from the equation although that technique isn't..

Why is numpy's einsum faster than numpy's built in functions?

http://stackoverflow.com/questions/18365073/why-is-numpys-einsum-faster-than-numpys-built-in-functions

linearly with system size and are not due to the small overhead incurred in the numpy functions if statements these difference..

Why program functionally in Python?

http://stackoverflow.com/questions/1892324/why-program-functionally-in-python

sufficiently simple operations such as multiplication the overhead of a function call is quite significant compared to the actual..

Wrapping a C library in Python: C, Cython or ctypes?

http://stackoverflow.com/questions/1942298/wrapping-a-c-library-in-python-c-cython-or-ctypes

in C. Probably overkill and I'd also like to avoid the overhead of learning extension writing. Use Cython to expose the relevant..

List filtering: list comprehension vs. lambda + filter

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

down your use of filter. The first is the function call overhead as soon as you use a Python function whether created by def.. a bottleneck but the difference will be there. The other overhead that might apply is that the lambda is being forced to access..

Python thread pool similar to the multiprocessing Pool?

http://stackoverflow.com/questions/3033952/python-thread-pool-similar-to-the-multiprocessing-pool

range 100 however I would like to do it without the overhead of creating new processes. I know about the GIL. However in..

How do I check if a string is a number in Python?

http://stackoverflow.com/questions/354038/how-do-i-check-if-a-string-is-a-number-in-python

the function and returns. Try Catch doesn't introduce much overhead because the most common exception is caught without an extensive..

Flattening a shallow list in Python

http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python

good as a reduce anyway because reduce will have the same overhead copying the items into the list that's being extended. chain.. that's being extended. chain will only incur this same overhead if you run list chain at the end. Meta Edit Actually it's less.. run list chain at the end. Meta Edit Actually it's less overhead than the question's proposed solution because you throw away..

How do I determine the size of an object in Python?

http://stackoverflow.com/questions/449560/how-do-i-determine-the-size-of-an-object-in-python

__sizeof__ method and adds an additional garbage collector overhead if the object is managed by the garbage collector. Usage example..

Python __slots__

http://stackoverflow.com/questions/472000/python-slots

does not allow additions after creation. This saves the overhead of one dict for every object that uses slots. While this is..

Using strides for an efficient moving average filter

http://stackoverflow.com/questions/4936620/using-strides-for-an-efficient-moving-average-filter

like a moving standard deviation etc with very little overhead. When you want to start doing this along multiple axes it's..

How to convert an integer to the shortest url-safe string in Python?

http://stackoverflow.com/questions/561486/how-to-convert-an-integer-to-the-shortest-url-safe-string-in-python

harder without significant savings compared to the overhead of HTTP ”unless you're going for something TinyURL esque. share..

Python Graph Library [closed]

http://stackoverflow.com/questions/606516/python-graph-library

with 1 million nodes with no problem it's about double the overhead of a dict of size V E If you want a feature comparison see this..

Creating a singleton in python

http://stackoverflow.com/questions/6760685/creating-a-singleton-in-python

Auto magically covers inheritance Cons Is there not an overhead for creating each new class Here we are creating two classes..

Django vs other Python web frameworks?

http://stackoverflow.com/questions/702179/django-vs-other-python-web-frameworks

to do anything lower level it's going to be a pain The overhead required for just a basic site which uses authentication is..

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

stdio functions. Unfortunately this introduces a lot of overhead. For small amounts of input this isn't a big problem but when..