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python Programming Glossary: qsizeSQLite Performance Benchmark — why is :memory: so slow…only 1.5X as fast as disk? http://stackoverflow.com/questions/764710/sqlite-performance-benchmark-why-is-memory-so-slow-only-1-5x-as-fast-as-d each kind results np.zeros numqs 3 for qq in range numqs qsize np.random.randint 1 numqrows 1 id1a np.sort np.random.permutation.. 1 id1a np.sort np.random.permutation np.arange cmax 0 qsize #ensure uniqueness of ids queried id2a np.sort np.random.permutation.. id2a np.sort np.random.permutation np.arange gmax 0 qsize id1s ' '.join str xx for xx in id1a id2s ' '.join str xx for..
http://stackoverflow.com/questions/7865430/multiprocessing-pool-picklingerror-cant-pickle-type-thread-lock-attribu def check_one args res total package version args i res.qsize logger.info ' r 0 .1 1 2 3 ' i float total package i total addn.. two purposes to find out the approximate size by calling qsize to store results for later retrieval. Instead of calling qsize.. to store results for later retrieval. Instead of calling qsize to share a value between multiple processes we could use a mp.Value..
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