Created
December 23, 2016 23:37
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json モジュールの速度比較(Python 3 系)
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#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
from timer import Timer | |
import csv | |
import json | |
import simplejson | |
import ujson | |
JSON_FILE='dummy_1000.json' | |
CSV_FILE='dummy_1000.csv' | |
print('decode -----------------------------------------------') | |
with open(JSON_FILE) as f: | |
with Timer() as t: | |
data = json.load(f) | |
print('%s' % t.secs) | |
# print('=> elasped json : %s s' % t.secs) | |
with open(JSON_FILE) as f: | |
with Timer() as t: | |
data = simplejson.load(f) | |
print('%s' % t.secs) | |
# print('=> elasped simplejson : %s s' % t.secs) | |
with open(JSON_FILE) as f: | |
with Timer() as t: | |
data = ujson.load(f) | |
print('%s' % t.secs) | |
# print('=> elasped ujson : %s s' % t.secs) | |
print('encode -----------------------------------------------') | |
with open(CSV_FILE) as f: | |
with Timer() as t: | |
result = [] | |
for line in csv.DictReader(f): | |
line_json = json.dumps(line) | |
result.append(line_json) | |
print('%s' % t.secs) | |
# print('=> elasped json : %s s' % t.secs) | |
with open(CSV_FILE) as f: | |
with Timer() as t: | |
result = [] | |
for line in csv.DictReader(f): | |
line_json = simplejson.dumps(line) | |
result.append(line_json) | |
print('%s' % t.secs) | |
# print('=> elasped simplejson : %s s' % t.secs) | |
with open(CSV_FILE) as f: | |
with Timer() as t: | |
result = [] | |
for line in csv.DictReader(f): | |
line_json = ujson.dumps(line) | |
result.append(line_json) | |
print('%s' % t.secs) | |
# print('=> elasped ujson : %s s' % t.secs) |
Author
inokappa
commented
Dec 23, 2016
- timer.py
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