bench_json.py

from benchmarker import Benchmarker
import json
import ujson

imp_obj = {
    'rectangle': {'tagid': '12345', 'banner': {'w': 300, 'h': 250}},
    'big_banner': {'tagid': '22222', 'banner': {'w': 728, 'h': 90}},
    'rectangle_with_inventory': {'tagid': '10000', 'banner': {'w': 300, 'h': 250}},
    'banned': {'tagid': '54321', 'banner': {'w': 300, 'h': 250}},
}
imp_json = json.dumps(imp_obj)

with Benchmarker(width=40, loop=100000) as bm:
    for _ in bm('json.dumps'):
        json.dumps(imp_obj)
    for _ in bm('ujson.dumps'):
        ujson.dumps(imp_obj)
    for _ in bm('json.loads'):
        json.loads(imp_json)
    for _ in bm('ujson.loads'):
        ujson.loads(imp_json)

"""
## benchmarker:       release 3.0.1 (for python)
## python platform:   linux2 [GCC 4.6.3]
## python version:    2.7.3

##                                           user       sys     total      real
json.dumps                                 0.7000    0.0100    0.7100    0.7667
ujson.dumps                                0.2700    0.0000    0.2700    0.2850
json.loads                                 1.3800    0.0000    1.3800    1.4598
ujson.loads                                0.2700    0.0000    0.2700    0.2789

## Ranking                                   real
ujson.loads                                0.2789 (100.0%) *************************
ujson.dumps                                0.2850 ( 97.9%) ************************
json.dumps                                 0.7667 ( 36.4%) *********
json.loads                                 1.4598 ( 19.1%) *****

## Ratio Matrix                              real    [01]    [02]    [03]    [04]
[01] ujson.loads                           0.2789  100.0%  102.2%  274.9%  523.4%
[02] ujson.dumps                           0.2850   97.9%  100.0%  269.0%  512.2%
[03] json.dumps                            0.7667   36.4%   37.2%  100.0%  190.4%
[04] json.loads                            1.4598   19.1%   19.5%   52.5%  100.0%

## benchmarker:       release 3.0.1 (for python)
## python platform:   linux2 [PyPy 2.5.1 with GCC 4.6.3]
## python version:    2.7.9

##                                           user       sys     total      real
json.dumps                                 0.5600    0.0100    0.5700    0.5760
json.loads                                 0.2500    0.0000    0.2500    0.2596

## Ranking                                   real
json.loads                                 0.2596 (100.0%) *************************
json.dumps                                 0.5760 ( 45.1%) ***********

## Ratio Matrix                              real    [01]    [02]
[01] json.loads                            0.2596  100.0%  221.9%
[02] json.dumps                            0.5760   45.1%  100.0%
"""