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Created September 9, 2011 20:19
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My latest python serialization shootout: JSON libraries and friends compete on the green field of a new MacBook Air Core i7. Code, data, and the results -- all in one gist.
Raw
jsonspeedtest.py
#!/usr/bin/env python
# encoding: utf-8
"""
jsonspeedtest.py
Created by FI$H 2000 on 2010-02-11.
Copyright (c) 2010 OST LLC. All rights reserved.
"""
# Adapted from http://j2labs.tumblr.com/post/4262756632/speed-tests-for-json-and-cpickle-in-python
import time, os
import demjson
import simplejson
import czjson
import json
import jsonlib
import jsonlib2
import ujson
import yajl
# AUSLANDERS!!!
import msgpack
import netstring
import tnetstring
jsondir = "/Users/fish/Dropbox/ost2/ost2/utils/json"
jsonmorsels = {}
packedmsgs = {}
netstrings = {}
tnetstrings = {}
its = 10000
demjson.loads = demjson.decode
demjson.dumps = demjson.encode
netstring.loads = netstring.decode
netstring.dumps = netstring.encode
def test_mod(jsonstring, mod, iters):
print 'Starting %s...' % mod.__name__
obj = back = None
start = time.time()
for i in xrange(iters):
obj = mod.loads(jsonstring)
read = time.time() - start
start = time.time()
for i in xrange(iters):
back = mod.dumps(obj)
write = time.time() - start
print 'Read: %f, Write: %f, Total %f' % (read, write, read + write)
# demjson is so slow, it'll fill you with despair, causing you not to care
# about anything anymore incl. the rest of the test results
#to_test = [demjson, ujson, json, simplejson, czjson, jsonlib, jsonlib2, yajl]
to_test = [ujson, json, simplejson, czjson, jsonlib, jsonlib2, yajl, msgpack]
if __name__ == "__main__":
print ">>> Testing %s JSON modules." % len(to_test)
for putativefile in os.listdir(jsondir):
if putativefile.lower().endswith(".json"):
jsonmorsels.update({
putativefile: file(os.path.join(jsondir, putativefile)).read(),
})
packedmsgs.update({
putativefile: msgpack.dumps(json.loads(file(os.path.join(jsondir, putativefile)).read())),
})
'''
netstrings.update({
putativefile: netstring.dumps(json.loads(file(os.path.join(jsondir, putativefile)).read())),
})
'''
'''
tnetstrings.update({
putativefile: tnetstring.dumps(json.loads(file(os.path.join(jsondir, putativefile)).read())),
})
'''
print ">>> Using %s JSON test files from %s." % (len(jsonmorsels), jsondir)
print ">>> Running each test for %s iterations." % its
print ""
for filename, morsel in jsonmorsels.items():
for mod in to_test:
if mod is msgpack:
morsel = packedmsgs[filename]
elif mod is netstring:
morsel = netstrings[filename]
elif mod is tnetstring:
morsel = tnetstrings[filename]
print "--- %s (length %s)" % (filename, len(morsel))
test_mod(morsel, mod, its)
print ""
Raw
karel.json
{
"ISBN":"0907259200",
"_tags":"karelmartents printedmatter drukwerk werkplaatstypographie art monoprints frenchfold overprinting microprinting typography design color outofprint expensive sorry",
"bg":"FFA200",
"coverset":
{
"ISBN":"0907259200",
"createdate":"2010-04-01 06:59:51",
"id":"3",
"large":"images/_coversets/large/0907259200-L.jpg",
"largeh":"475",
"largeurl":"http://covers.openlibrary.org/b/isbn/0907259200-L.jpg?default=false",
"largeurl_source":"openlibrary",
"largew":"345",
"medium":"images/_coversets/medium/0907259200-M.jpg",
"mediumh":"247",
"mediumsquare":
{
"height":440,
"url":"/face/_ikcache/images/_coversets/large/0907259200-L_mediumsquare.jpg",
"width":440
},
"mediumurl":"http://covers.openlibrary.org/b/isbn/0907259200-M.jpg?default=false",
"mediumurl_source":"openlibrary",
"mediumw":"180",
"mediumwellsquare":
{
"height":660,
"url":"/face/_ikcache/images/_coversets/large/0907259200-L_mediumwellsquare.jpg",
"width":660
},
"modifydate":"2010-04-27 16:33:47.607286",
"small":"images/_coversets/small/0907259200-S.jpg",
"smallh":"58",
"smallsquare":
{
"height":240,
"url":"/face/_ikcache/images/_coversets/large/0907259200-L_smallsquare.jpg",
"width":240
},
"smallurl":"http://covers.openlibrary.org/b/isbn/0907259200-S.jpg?default=false",
"smallurl_source":"openlibrary",
"smallw":"42",
"thumb":
{
"height":200,
"url":"/face/_ikcache/images/_coversets/large/0907259200-L_thumb.jpg",
"width":200
},
"thumbelina":
{
"height":64,
"url":"/face/_ikcache/images/_coversets/large/0907259200-L_thumbelina.jpg",
"width":64
}
},
"createdate":"2010-01-26 13:09:25",
"dataset":
{
"ASIN":"0907259200",
"EAN":"9780907259206",
"ISBN":"0907259200",
"_tags":"graphic design",
"author":"Robin Kinross",
"binding":"Paperback",
"createdate":"2010-04-01 19:26:13",
"detailpageurl":"http://www.amazon.com/Karel-Martens-printed-matter-drukwerk/dp/0907259200%3FSubscriptionId%3DAKIAJB5HWDCIRI6XG5ZA%26tag%3Dws%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3D0907259200",
"deweydecimalnumber":"745.0",
"height":"100",
"id":"9",
"label":"Hyphen Press",
"length":"900",
"listprice":"4000",
"longdimension":"0",
"manufacturer":"Hyphen Press",
"modifydate":"2010-04-13 14:14:50",
"numberofitems":"1",
"numberofpages":"168",
"productgroup":"Book",
"producttypename":"ABIS_BOOK",
"publicationdate":"2002-04-01 00:00:00",
"publisher":"Hyphen Press",
"salesrank":"1796342",
"studio":"Hyphen Press",
"title":"Karel Martens: printed matter/drukwerk,
2nd Edition",
"visible":"True",
"weight":"100",
"width":"662"
},
"fg":"C9AA75",
"fsimage_set":
[
{
"adminthumb":
{
"height":200,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_adminthumb.jpg",
"width":200
},
"blogsize":
{
"height":333,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_blogsize.jpg",
"width":500
},
"blogsquare":
{
"height":500,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_blogsquare.jpg",
"width":500
},
"caption":"",
"createdate":"2010-01-26 13:09:49",
"display":
{
"height":400,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_display.jpg",
"width":600
},
"h":"1173",
"id":"10",
"image":"images/_uploads/Karel_Martens_Page_Detail_2to3_000.jpg",
"large":
{
"height":587,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_large.jpg",
"width":880
},
"largesquare":
{
"height":880,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_largesquare.jpg",
"width":880
},
"medium":
{
"height":293,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_medium.jpg",
"width":440
},
"mediumsquare":
{
"height":440,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_mediumsquare.jpg",
"width":440
},
"mediumwell":
{
"height":440,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_mediumwell.jpg",
"width":660
},
"mediumwellsquare":
{
"height":660,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_mediumwellsquare.jpg",
"width":660
},
"modifydate":"2010-02-11 13:14:06",
"order":"0",
"profile":
{
"height":300,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_profile.jpg",
"width":300
},
"small":
{
"height":160,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_small.jpg",
"width":240
},
"smallsquare":
{
"height":240,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_smallsquare.jpg",
"width":240
},
"thumb":
{
"height":200,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_thumb.jpg",
"width":200
},
"thumbelina":
{
"height":64,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_thumbelina.jpg",
"width":64
},
"visible":"True",
"w":"1760",
"xlarge":
{
"height":666,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_xlarge.jpg",
"width":1000
},
"xlargecrop":
{
"height":667,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_xlargecrop.jpg",
"width":1000
},
"xlargesquare":
{
"height":1000,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Page_Detail_2to3_000_xlargesquare.jpg",
"width":1000
}
},
{
"adminthumb":
{
"height":200,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_adminthumb.jpg",
"width":200
},
"blogsize":
{
"height":333,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_blogsize.jpg",
"width":500
},
"blogsquare":
{
"height":500,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_blogsquare.jpg",
"width":500
},
"caption":"",
"createdate":"2010-01-26 13:10:06",
"display":
{
"height":400,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_display.jpg",
"width":600
},
"h":"2688",
"id":"11",
"image":"images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000.jpg",
"large":
{
"height":587,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_large.jpg",
"width":880
},
"largesquare":
{
"height":880,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_largesquare.jpg",
"width":880
},
"medium":
{
"height":293,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_medium.jpg",
"width":440
},
"mediumsquare":
{
"height":440,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_mediumsquare.jpg",
"width":440
},
"mediumwell":
{
"height":440,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_mediumwell.jpg",
"width":660
},
"mediumwellsquare":
{
"height":660,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_mediumwellsquare.jpg",
"width":660
},
"modifydate":"2010-02-11 13:14:06",
"order":"0",
"profile":
{
"height":300,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_profile.jpg",
"width":300
},
"small":
{
"height":160,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_small.jpg",
"width":240
},
"smallsquare":
{
"height":240,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_smallsquare.jpg",
"width":240
},
"thumb":
{
"height":200,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_thumb.jpg",
"width":200
},
"thumbelina":
{
"height":64,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_thumbelina.jpg",
"width":64
},
"visible":"True",
"w":"4032",
"xlarge":
{
"height":667,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_xlarge.jpg",
"width":1000
},
"xlargecrop":
{
"height":667,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_xlargecrop.jpg",
"width":1000
},
"xlargesquare":
{
"height":1000,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Angled_Page_Detail_2to3_000_xlargesquare.jpg",
"width":1000
}
},
{
"adminthumb":
{
"height":200,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_adminthumb.jpg",
"width":200
},
"blogsize":
{
"height":333,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_blogsize.jpg",
"width":500
},
"blogsquare":
{
"height":500,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_blogsquare.jpg",
"width":500
},
"caption":"",
"createdate":"2010-01-26 13:09:49",
"display":
{
"height":400,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_display.jpg",
"width":600
},
"h":"2688",
"id":"9",
"image":"images/_uploads/Karel_Martens_Front_Cover_2to3_000.jpg",
"large":
{
"height":587,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_large.jpg",
"width":880
},
"largesquare":
{
"height":880,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_largesquare.jpg",
"width":880
},
"medium":
{
"height":293,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_medium.jpg",
"width":440
},
"mediumsquare":
{
"height":440,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_mediumsquare.jpg",
"width":440
},
"mediumwell":
{
"height":440,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_mediumwell.jpg",
"width":660
},
"mediumwellsquare":
{
"height":660,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_mediumwellsquare.jpg",
"width":660
},
"modifydate":"2010-02-11 13:14:06",
"order":"1",
"profile":
{
"height":300,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_profile.jpg",
"width":300
},
"small":
{
"height":160,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_small.jpg",
"width":240
},
"smallsquare":
{
"height":240,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_smallsquare.jpg",
"width":240
},
"thumb":
{
"height":200,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_thumb.jpg",
"width":200
},
"thumbelina":
{
"height":64,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_thumbelina.jpg",
"width":64
},
"visible":"True",
"w":"4032",
"xlarge":
{
"height":667,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_xlarge.jpg",
"width":1000
},
"xlargecrop":
{
"height":667,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_xlargecrop.jpg",
"width":1000
},
"xlargesquare":
{
"height":1000,
"url":"/face/_ikcache/images/_uploads/Karel_Martens_Front_Cover_2to3_000_xlargesquare.jpg",
"width":1000
}
}
],
"fsitemlike_set":
[
{
"createdate":"2010-03-26 20:45:12",
"id":"1",
"modifydate":"2010-03-26 20:57:00"
},
{
"createdate":"2010-04-17 15:35:11",
"id":"18",
"modifydate":"2010-04-17 15:35:26"
}
],
"fsoffer_set":
[
],
"id":"3",
"isbndbset":
{
"ISBN":"0907259200",
"authors":"Karel Martens;
[
edited by Robin Kinross,
Jaap van Triest & Karel Martens
]
",
"createdate":"2010-03-24 06:56:27",
"dewey":"",
"id":"3",
"modifydate":"2010-04-18 23:38:07",
"publisher":"London : Hyphen Press,
c2001.",
"title":"Printed matter",
"titlelong":"Printed matter = Drukwerk",
"visible":"True",
"xmldata":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\n<ISBNdb server_time=\"2010-04-17T03:08:44Z\">\n<BookList total_results=\"1\" page_size=\"10\" page_number=\"1\" shown_results=\"1\">\n<BookData book_id=\"karel_martens_printed_matter\" isbn=\"0907259200\" isbn13=\"9780907259206\">\n<Title>Printed matter</Title>\n<TitleLong>Printed matter = Drukwerk</TitleLong>\n<AuthorsText>Karel Martens;
[
edited by Robin Kinross,
Jaap van Triest &amp; Karel Martens
]
</AuthorsText>\n<PublisherText publisher_id=\"hyphen_press\">London : Hyphen Press,
c2001.</PublisherText>\n<Details change_time=\"2007-10-22T01:06:23Z\" price_time=\"2010-04-17T01:01:57Z\" edition_info=\"\" language=\"eng\" physical_description_text=\"168 p. : ill. (some col.),
ports. ; 24 cm.\" lcc_number=\"\" dewey_decimal_normalized=\"\" dewey_decimal=\"\" />\n<Prices price_time=\"2010-04-17T01:01:57Z\">\n<Price store_isbn=\"\" store_title=\"Karel Martens: printed matter/drukwerk,
2nd Edition\" store_url=\"http://isbndb.com/x/book/karel_martens_printed_matter/buy/isbn/amazon.html\" store_id=\"amazon\" currency_code=\"USD\" is_in_stock=\"1\" is_historic=\"0\" is_new=\"0\" check_time=\"2010-04-17T01:01:29Z\" currency_rate=\"1\" price=\"420\" />\n<Price store_isbn=\"\" store_title=\"Karel Martens: printed matter/drukwerk,
2nd Edition\" store_url=\"http://isbndb.com/x/book/karel_martens_printed_matter/buy/isbn/amazon.html\" store_id=\"amazon\" currency_code=\"USD\" is_in_stock=\"1\" is_historic=\"0\" is_new=\"1\" check_time=\"2010-04-17T01:01:29Z\" currency_rate=\"1\" price=\"450\" />\n<Price store_isbn=\"\" store_title=\"Printed Matter\" store_url=\"http://isbndb.com/x/book/karel_martens_printed_matter/buy/isbn/alibris.html\" store_id=\"alibris\" currency_code=\"USD\" is_in_stock=\"1\" is_historic=\"0\" is_new=\"0\" check_time=\"2010-04-17T01:01:31Z\" currency_rate=\"1\" price=\"700\" />\n<Price store_isbn=\"\" store_title=\"PRINTED MATTER / DRUKWERK\" store_url=\"http://www.biblio.com/details.php?dcx=146238671&amp;aid=isbn_db&amp;t=1\" store_id=\"biblio\" currency_code=\"USD\" is_in_stock=\"1\" is_historic=\"0\" is_new=\"0\" check_time=\"2010-04-17T01:01:32Z\" currency_rate=\"1\" price=\"715\" />\n<Price store_isbn=\"\" store_title=\"\" store_url=\"http://clickserve.cc-dt.com/link/tplclick?lid=41000000024810251&amp;pubid=21000000000120442&amp;redirect=http://www.abebooks.com/servlet/ListingDetails%3fbi%3d989922105%26cm_ven%3dsws%26cm_cat%3dsws%26cm_pla%3dsws%26cm_ite%3d989922105\" store_id=\"abebooks\" currency_code=\"USD\" is_in_stock=\"1\" is_historic=\"0\" is_new=\"0\" check_time=\"2010-04-17T01:01:57Z\" currency_rate=\"1\" price=\"700\" />\n</Prices>\n</BookData>\n</BookList>\n</ISBNdb>\n"
},
"modifydate":"2010-04-13 23:34:15",
"notes":"Sorry but the price isn't a typo here. I love this book enough that it's one of the few I won't part with unless you make me filthy rich. Frankly it will be worth it on your end,
no lie. Incedentally did you know that Karel Martens once made me coffee? It's true. He knows how to do that right,
too.",
"price":"850",
"rating":"None",
"sold":"False",
"status":"1",
"teasertext":"available now for only",
"title":"Karel Martens: printed matter/drukwerk,
2nd Edition",
"txt1":"749ACA",
"txt2":"7D0120",
"type":"0",
"urlstring":"karel-martens-printed-matter-drukwerk-2nd-edition",
"visible":"True"
}
Raw
OpenLibraryURLs-20100401-002050.json
{
"9781568981352": {
"small": {
"url": "http://covers.openlibrary.org/b/isbn/9781568981352-S.jpg?default=false",
"source": "openlibrary"
},
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9781568981352-L.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/9781568981352-M.jpg?default=false",
"source": "openlibrary"
}
},
"9780910503983": {
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9780910503983-L.jpg?default=false",
"source": "openlibrary"
},
"small": {
"url": "http://covers.openlibrary.org/b/isbn/9780910503983-S.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/9780910503983-M.jpg?default=false",
"source": "openlibrary"
}
},
"9781568982496": {
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9781568982496-L.jpg?default=false",
"source": "openlibrary"
},
"small": {
"url": "http://covers.openlibrary.org/b/isbn/9781568982496-S.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/9781568982496-M.jpg?default=false",
"source": "openlibrary"
}
},
"9780375706035": {
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9780375706035-L.jpg?default=false",
"source": "openlibrary"
},
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"url": "http://covers.openlibrary.org/b/isbn/0714840696-S.jpg?default=false",
"source": "openlibrary"
},
"large": {
"url": "http://covers.openlibrary.org/b/isbn/0714840696-L.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/0714840696-M.jpg?default=false",
"source": "openlibrary"
}
},
"9780395340653": {
"small": {
"url": "http://covers.openlibrary.org/b/isbn/9780395340653-S.jpg?default=false",
"source": "openlibrary"
},
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9780395340653-L.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/9780395340653-M.jpg?default=false",
"source": "openlibrary"
}
},
"9781593074449": {
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9781593074449-L.jpg?default=false",
"source": "openlibrary"
},
"small": {
"url": "http://covers.openlibrary.org/b/isbn/9781593074449-S.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/9781593074449-M.jpg?default=false",
"source": "openlibrary"
}
},
"9780262720298": {
"small": {
"url": "http://covers.openlibrary.org/b/isbn/9780262720298-S.jpg?default=false",
"source": "openlibrary"
},
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9780262720298-L.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/9780262720298-M.jpg?default=false",
"source": "openlibrary"
}
},
"9780195100211": {
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9780195100211-L.jpg?default=false",
"source": "openlibrary"
},
"small": {
"url": "http://covers.openlibrary.org/b/isbn/9780195100211-S.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/9780195100211-M.jpg?default=false",
"source": "openlibrary"
}
},
"9780881081435": {
"large": {
"url": "http://covers.openlibrary.org/b/isbn/9780881081435-L.jpg?default=false",
"source": "openlibrary"
},
"small": {
"url": "http://covers.openlibrary.org/b/isbn/9780881081435-S.jpg?default=false",
"source": "openlibrary"
},
"medium": {
"url": "http://covers.openlibrary.org/b/isbn/9780881081435-M.jpg?default=false",
"source": "openlibrary"
}
}
}
Raw
results.txt
>>> Testing 8 JSON modules.
>>> Using 3 JSON test files from /Users/fish/Dropbox/ost2/ost2/utils/json.
>>> Running each test for 10000 iterations.
--- karel.json (length 13965)
Starting ujson...
Read: 1.165536, Write: 0.831664, Total 1.997200
--- karel.json (length 13965)
Starting json...
Read: 4.348436, Write: 1.753286, Total 6.101722
--- karel.json (length 13965)
Starting simplejson...
Read: 1.441417, Write: 1.708440, Total 3.149857
--- karel.json (length 13965)
Starting czjson...
Read: 1.215370, Write: 2.318236, Total 3.533606
--- karel.json (length 13965)
Starting jsonlib...
Read: 1.783350, Write: 1.857720, Total 3.641070
--- karel.json (length 13965)
Starting jsonlib2...
Read: 1.704317, Write: 1.872959, Total 3.577276
--- karel.json (length 13965)
Starting yajl...
Read: 1.932426, Write: 2.364219, Total 4.296645
--- karel.json (length 12676)
Starting msgpack...
Read: 0.571099, Write: 0.631654, Total 1.202753
--- forsale_fsuserprofile.json (length 23242)
Starting ujson...
Read: 1.650892, Write: 1.106340, Total 2.757232
--- forsale_fsuserprofile.json (length 23242)
Starting json...
Read: 5.797691, Write: 2.573704, Total 8.371395
--- forsale_fsuserprofile.json (length 23242)
Starting simplejson...
Read: 1.656927, Write: 2.182251, Total 3.839178
--- forsale_fsuserprofile.json (length 23242)
Starting czjson...
Read: 3.401646, Write: 3.361697, Total 6.763343
--- forsale_fsuserprofile.json (length 23242)
Starting jsonlib...
Read: 2.452971, Write: 1.496796, Total 3.949767
--- forsale_fsuserprofile.json (length 23242)
Starting jsonlib2...
Read: 2.548979, Write: 1.847820, Total 4.396799
--- forsale_fsuserprofile.json (length 23242)
Starting yajl...
Read: 2.923272, Write: 3.945081, Total 6.868353
--- forsale_fsuserprofile.json (length 10150)
Starting msgpack...
Read: 0.906275, Write: 1.071642, Total 1.977917
--- OpenLibraryURLs-20100401-002050.json (length 77140)
Starting ujson...
Read: 5.952264, Write: 3.455536, Total 9.407800
--- OpenLibraryURLs-20100401-002050.json (length 77140)
Starting json...
Read: 19.778114, Write: 7.279452, Total 27.057566
--- OpenLibraryURLs-20100401-002050.json (length 77140)
Starting simplejson...
Read: 5.209440, Write: 6.973218, Total 12.182658
--- OpenLibraryURLs-20100401-002050.json (length 77140)
Starting czjson...
Read: 8.693051, Write: 12.753288, Total 21.446339
--- OpenLibraryURLs-20100401-002050.json (length 77140)
Starting jsonlib...
Read: 7.131029, Write: 7.609447, Total 14.740476
--- OpenLibraryURLs-20100401-002050.json (length 77140)
Starting jsonlib2...
Read: 7.459778, Write: 7.754582, Total 15.214360
--- OpenLibraryURLs-20100401-002050.json (length 77140)
Starting yajl...
Read: 9.039624, Write: 16.618600, Total 25.658224
--- OpenLibraryURLs-20100401-002050.json (length 48798)
Starting msgpack...
Read: 3.304633, Write: 3.169070, Total 6.473703
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