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python Programming Glossary: perfHDF5 and SQLite. Concurrency, compression & I/O performance [closed] http://stackoverflow.com/questions/16628329/hdf5-and-sqlite-concurrency-compression-i-o-performance and SQLite. Concurrency compression I O performance closed I have read in different places that SQlite does.. compare with SQLlite in terms of compression rates and I O performance python sqlite pandas hdf5 share improve this question.. and how you want to retrieve HDF5 can offer vastly better performance. Storing in an HDFStore as a single array float data..
Parsing xml to pandas data frame throws memory error http://stackoverflow.com/questions/16922432/parsing-xml-to-pandas-data-frame-throws-memory-error df.attrib attrib data.append el_data from pandas import perf DataFrame data perf MemoryError Traceback most recent call.. data.append el_data from pandas import perf DataFrame data perf MemoryError Traceback most recent call last ipython input.. input 6 08c8c74f7192 in module 1 from pandas import 2 perf DataFrame data 3 perf Users user Library Enthought Canopy_32bit..
Compiling Python 2.6.6 and need for external packages wxPython, setuptools, etc… in Ubuntu http://stackoverflow.com/questions/6079128/compiling-python-2-6-6-and-need-for-external-packages-wxpython-setuptools-etc etc&hellip in Ubuntu I compiled Python 2.6.6 with google perf tools tcmalloc library to eliminate some of the memory issues.. dev libexpat1 dev cd ~ WGET 'http code.google.com p google perftools downloads detail name google perftools 1.7.tar.gz' WGET.. p google perftools downloads detail name google perftools 1.7.tar.gz' WGET http www.python.org ftp python 2.7.2 Python..
In Python, what is the difference between “.append()” and “+= []”? http://stackoverflow.com/questions/725782/in-python-what-is-the-difference-between-append-and this question For your case the only difference is performance append is twice as fast. Python 3.0 r30 67507 Dec 3 2008.. right hand side list into the left hand side list. Update perf analysis Comparing bytecodes we can assume that append version.. 0 s 19 LOAD_CONST 1 None 22 RETURN_VALUE We can improve performance even more by removing LOAD_ATTR overhead timeit.Timer..
What are Python dictionary view objects? http://stackoverflow.com/questions/8957750/what-are-python-dictionary-view-objects from the dictionary. But how does it behave from the perf and memory point of view What are the pro and cons python view..
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