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import StringIO | |
import cPickle | |
small = [{i: i} for i in xrange(9)] | |
medium = [{i: i} for i in xrange(999)] | |
large = [{i: i} for i in xrange(999999)] | |
def dumps(obj): | |
return cPickle.dumps(obj) | |
def dumps_highest_protocol(obj): | |
return cPickle.dumps(obj, cPickle.HIGHEST_PROTOCOL) | |
def dumps_fast_mode(obj): | |
buff = StringIO.StringIO() | |
pickler = cPickle.Pickler(buff, cPickle.HIGHEST_PROTOCOL) | |
pickler.fast = 1 | |
pickler.dump(obj) | |
buff.flush() | |
return buff.getvalue() |
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#!/bin/sh | |
echo 'SMALL' | |
echo 'dumps' && python -m timeit -n 10 -s "import pickle_experiments as p" "p.dumps(p.small)" | |
echo 'highp' && python -m timeit -n 10 -s "import pickle_experiments as p" "p.dumps_highest_protocol(p.small)" | |
echo 'pickl' && python -m timeit -n 10 -s "import pickle_experiments as p" "p.dumps_fast_mode(p.small)" | |
echo | |
echo 'MEDIUM' | |
echo 'dumps' && python -m timeit -n 10 -s "import pickle_experiments as p" "p.dumps(p.medium)" | |
echo 'highp' && python -m timeit -n 10 -s "import pickle_experiments as p" "p.dumps_highest_protocol(p.medium)" | |
echo 'pickl' && python -m timeit -n 10 -s "import pickle_experiments as p" "p.dumps_fast_mode(p.medium)" | |
echo | |
echo 'LARGE' | |
echo 'dumps' && python -m timeit -n 3 -s "import pickle_experiments as p" "p.dumps(p.large)" | |
echo 'highp' && python -m timeit -n 10 -s "import pickle_experiments as p" "p.dumps_highest_protocol(p.large)" | |
echo 'pickl' && python -m timeit -n 10 -s "import pickle_experiments as p" "p.dumps_fast_mode(p.large)" |
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