gistfile1.txt

administrator@ubuntu:~/projects/sandbox$ ve-cpython/bin/python json-bench.py && ve-pypy/bin/pypy json-bench.py
Running: json-bench.py
test_cpickle
test_cpickle         warmup: 3.89885687828
test_cpickle            RUN: 4.03457689285
test_demjson
test_demjson         warmup: 143.255517006
test_demjson            RUN: 156.608139992
test_cjson
test_cjson           warmup: 3.51447200775
test_cjson              RUN: 3.46974015236
test_simplejson
test_simplejson      warmup: 1.85804915428
test_simplejson         RUN: 1.86488294601
test_repr
test_repr            warmup: 3.14307999611
test_repr               RUN: 3.12153887749
test_stdlib_json
test_stdlib_json     warmup: 17.2829639912
test_stdlib_json        RUN: 16.27425313
Running: json-bench.py
test_simplejson
test_simplejson      warmup: 31.4108719826
test_simplejson         RUN: 23.337460041
test_cpickle
test_cpickle         warmup: 13.9072110653
test_cpickle            RUN: 11.5385079384
test_demjson
test_demjson         warmup: 41.6759979725
test_demjson            RUN: 38.6105160713
test_repr
test_repr            warmup: 5.66002011299
test_repr               RUN: 5.71517109871
administrator@ubuntu:~/projects/sandbox$ cat json-bench.py
from datetime import datetime
data = [
    {
        'id': i,
        'more': [
            {
                "sadf": "werf klwerjn flwerk nflkwerjn flkwerj nlkwerjn flwerkj nwer %s"%j,
                "qwerqwersadf": "werfnlkwerjn flwerkj nwer %s asdf asd fsad fsad "%j,
                "sadfads fasdf s": "werf klwerjn flwerk nflkwerjn flkwerj nlkwerjn werqw er qwerflwerkj nwer %s"%j,
                "sadasd fasd ff": "werf klwerjn flwerk nflkwerjn flkwerj nlkwerjn flwerkj nwer asdf asdfasd %s"%j,
                "sad asdf sadff": "werf klwerjn flwerk nflkwerjn flkwerj nlkwe qwer qwerrjn flwerkj nwer %s"%j,
            }
            for j in range(10)
        ],
        "SADF": "WERF KLWERJN FLWERK NFLKWERJN FLKWERJ NLKWERJN FLWERKJ NWER %s"%i,
        "QWERQWERSADF": "WERFNLKWERJN FLWERKJ NWER %s ASDF ASD FSAD FSAD "%i,
        "SADFADS FASDF S": "WERF KLWERJN FLWER K NFLKWERJN FLKWERJ NLKWERJN WERQW ER QWERFLWERKJ NWER %s"%i,
        "SADASD FASD FF": "WERF KLWERJN FLWERK NFLKWERJN FLKWERJ NLKWERJN FLWERKJ NWER ASDF ASDFASD %s"%i,
        "SAD ASDF SADFF": "WERF KLWERJN FLWERK NFLKWERJN FLKWERJ NLKWE QWER QWERRJN FLWERKJ NWER %s"%i,
    }
    for i in range(200)
]

try:
    from cjson import encode as test_cjson
except ImportError:
    pass

try:
    from json import dumps as test_stdlib_json
except ImportError:
    pass


try:
    from simplejson import dumps as test_simplejson
except ImportError:
    pass


try:
    from demjson import encode as test_demjson
except ImportError:
    pass

test_repr = repr
try:
    from cPickle import dumps as test_cpickle
except ImportError:
    pass

if __name__ == "__main__":
    import sys
    print 'Running:', sys.argv[0]
    g = dict(globals())

    import timeit
    for i in g:
        if i.startswith('test_'):
            t = timeit.Timer("%s(data)" % i, "from __main__ import data, %s" % i)
            print i
            print '%-020s warmup:' % i, t.timeit(200)
            print '%-020s    RUN:' % i, t.timeit(200)