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python Programming Glossary: allocatingUsing multiprocessing.Manager.list instead of a real list makes the calculation take ages http://stackoverflow.com/questions/13121790/using-multiprocessing-manager-list-instead-of-a-real-list-makes-the-calculation m free_memory N 15000 data np.ones N N logger.warn 'After allocating data m '.format m free_memory if __name__ '__main__' main which.. MainProcess Initial free 2522340 WARNING MainProcess After allocating data 763248 WARNING Process 1 Free memory 760852 WARNING Process.. initially there was roughly 2.5GB of free memory. After allocating a 15000x15000 array of float64 s there was 763248 KB free. This..
Using a global dictionary with threads in Python http://stackoverflow.com/questions/1312331/using-a-global-dictionary-with-threads-in-python idn . Is it OK to access and change foo 's values without allocating a lock for it if it's known that each thread will only work..
http://stackoverflow.com/questions/14253553/extending-from-gtkbin improve this question For some reason Gtk.Bin is not allocating space to its child. If you implement the do_size_allocate virtual..
CPython memory allocation [closed] http://stackoverflow.com/questions/18522574/cpython-memory-allocation being quadratic is to over allocate geometrically. Overallocating by too small of a factor like 1.2 wastes way too much time for.. aren't already sorted. So most of its operations involve allocating a new list of about size 2N and freeing two lists of about size..
when does Python allocate new memory for identical strings? http://stackoverflow.com/questions/2123925/when-does-python-allocate-new-memory-for-identical-strings the Python language is free to make its own tradeoffs in allocating immutable objects such as strings either making a new one or..
http://stackoverflow.com/questions/2473783/is-there-a-way-to-circumvent-python-list-append-becoming-progressively-slower I'll try the following two things suggested below. 1 pre allocating the memory ~ what's the best way to do this 2 Try using deque..
Remove items from a list while iterating without using extra memory in Python http://stackoverflow.com/questions/2629198/remove-items-from-a-list-while-iterating-without-using-extra-memory-in-python Python is intelligent enough to resize the list without allocating memory for a new copy of the list. share improve this answer..
Python: Memory usage and optimization when modifying lists http://stackoverflow.com/questions/2631053/python-memory-usage-and-optimization-when-modifying-lists intelligent enough to resize the list at the end without allocating memory for a new copy of the list. Not sure though. Abandoning..
Speed up bitstring/bit operations in Python? http://stackoverflow.com/questions/2897297/speed-up-bitstring-bit-operations-in-python False False True limit 2 MemoryError As you can imagine allocating 1 billion boolean values 1 byte 4 or 8 bytes see comment each..
Is there a generator version of `string.split()` in Python? http://stackoverflow.com/questions/3862010/is-there-a-generator-version-of-string-split-in-python via re.search that does not have the problem of allocating too many substrings. import re def itersplit s sep None exp..
Is there a faster way to convert an arbitrary large integer to a big endian sequence of bytes? http://stackoverflow.com/questions/4358285/is-there-a-faster-way-to-convert-an-arbitrary-large-integer-to-a-big-endian-sequ bit_length method I can shorten that to 159 usecs by pre allocating the l array to be the exact right size at the very beginning..
http://stackoverflow.com/questions/5957341/python-list-confusion Python actually copy the first list's address instead of allocating a new memory block python list share improve this question..
What's making this security descriptor go bad? http://stackoverflow.com/questions/5984483/whats-making-this-security-descriptor-go-bad by optional Windows means required . I fixed it by allocating a buffer and passing the size of PRIVILEGE_SET 20 . share improve..
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