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python Programming Glossary: allocateWhat can you use Python generator functions for? http://stackoverflow.com/questions/102535/what-can-you-use-python-generator-functions-for are going to need all results or where you don't want to allocate the memory for all results at the same time. Or for situations..
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory” http://stackoverflow.com/questions/1367373/python-subprocess-popen-oserror-errno-12-cannot-allocate-memory subprocess.Popen &ldquo OSError Errno 12 Cannot allocate memory&rdquo Note This question was originally asked here but.. line 835 in _get_handles OSError Errno 12 Cannot allocate memory The output of free m on the server once the script has.. SIGCHLD child_tidptr 0xb7f12708 1 ENOMEM Cannot allocate memory write 2 Traceback most recent call last ... 35 35 open..
Python: How to read huge text file into memory http://stackoverflow.com/questions/1896674/python-how-to-read-huge-text-file-into-memory However when I try to read in the file Python seems to allocate a lot more memory than is needed by the file on disk. So even.. to load this way as you have to count the lines and pre allocate the array but it may be the fastest actual sort given that it's.. def elapsed return time.time start # count data rows to preallocate array f open 'links.csv' 'rb' def count f while 1 block f.read..
when does Python allocate new memory for identical strings? http://stackoverflow.com/questions/2123925/when-does-python-allocate-new-memory-for-identical-strings does Python allocate new memory for identical strings Two Python strings with the.. explain Python string memory allocation when does Python allocate new memory for identical strings ab ab print id ab id a b #.. even with copy # list to a file back again each string is allocated anew joinsplit n .join names .split # same as file mem again..
Why do we need tuples in Python (or any immutable data type)? http://stackoverflow.com/questions/2174124/why-do-we-need-tuples-in-python-or-any-immutable-data-type at a different place in memory than when it was originally allocated This whole business of immutability in Python seems to be over.. in Python seems to be over emphasized. In C C if I allocate a pointer and point to some valid memory I don't care where.. I just check for null and use it or not . In Python when I allocate a string or tuple assign it to x then modify the string why..
Speed up bitstring/bit operations in Python? http://stackoverflow.com/questions/2897297/speed-up-bitstring-bit-operations-in-python yield 2 sub_limit int limit 0.5 flags gmpy2.xmpz 1 # pre allocate the total length flags.bit_set limit 1 1 f_scan0 flags.bit_scan0..
Python - Create a list with initial capacity http://stackoverflow.com/questions/311775/python-create-a-list-with-initial-capacity times and average the duration simple append 0.0102 pre allocate 0.0098 Conclusion . It barely matters. Premature optimization..
Find out how much memory is being used by an object in Python http://stackoverflow.com/questions/33978/find-out-how-much-memory-is-being-used-by-an-object-in-python for small number of keys and sometimes they over allocate entries . There is a big chunk of code and an updated big chunk..
Generating unique, ordered Pythagorean triplets http://stackoverflow.com/questions/575117/generating-unique-ordered-pythagorean-triplets integer variables. There are no arrays or hash tables to allocate and initialize and potentially to cause an out of memory error..
Python out of memory on large CSV file (numpy) http://stackoverflow.com/questions/8956832/python-out-of-memory-on-large-csv-file-numpy malloc mmap size 16777216 failed error code 12 error can't allocate region set a breakpoint in malloc_error_break to debug Traceback..
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