The aeson package
A JSON parsing and generation library optimized for ease of use and high performance.
Parsing performance with GHC 6.12.3 on a late 2010 MacBook Pro (2.66GHz Core i7), for mostly-English tweets from Twitter's JSON search API:
English, 854 bytes: 29029 msg/sec (23.6 MB/sec)
English, 6.4 KB: 6407 msg/sec (40.3 MB/sec)
English, 31.2 KB: 1265 msg/sec (38.8 MB/sec)
English, 61.5 KB: 585 msg/sec (35.2 MB/sec)
Handling heavily-escaped text is a little more work. Here is parsing performance with Japanese tweets, where much of the text is entirely Unicode-escaped:
Japanese, 14.6 KB: 2227 msg/sec (31.9 MB/sec)
Japanese, 44.1 KB: 671 msg/sec (29.6 MB/sec)
Encoding performance on the same machine and data:
English, 854 bytes: 43439 msg/sec (35.4 MB/sec)
English, 6.4 KB: 7127 msg/sec (44.8 MB/sec)
Engish, 61.5 KB: 765 msg/sec (46.0 MB/sec)
Japanese, 14.6 KB: 4727 msg/sec (67.5 MB/sec)
Japanese, 44.1 KB: 1505 msg/sec (64.8 MB/sec)
With GHC 7.0.2, the story is mixed: parsing is 20-40% slower than GHC 6.12.3, while encoding performance ranges from about the same to twice as fast (on numeric data).
(A note on naming: in Greek mythology, Aeson was the father of Jason.)
- No changelog available
Properties
| Versions | 0.1.0.0, 0.2.0.0, 0.3.0.0, 0.3.1.0, 0.3.1.1, 0.3.2.0, 0.3.2.1, 0.3.2.2, 0.3.2.3, 0.3.2.4, 0.3.2.5, 0.3.2.6, 0.3.2.7, 0.3.2.8, 0.3.2.9, 0.3.2.10, 0.3.2.11, 0.3.2.12, 0.3.2.13, 0.3.2.14, 0.4.0.0, 0.4.0.1, 0.5.0.0, 0.6.0.0, 0.6.0.1, 0.6.0.2, 0.6.1.0, 0.6.2.0, 0.6.2.1, 0.7.0.0, 0.7.0.1, 0.7.0.2, 0.7.0.3, 0.7.0.4, 0.7.0.5, 0.7.0.6, 0.8.0.0, 0.8.0.1, 0.8.0.2 (info) |
|---|---|
| Dependencies | attoparsec (>=0.8.5.0), base (==4.*), blaze-builder (>=0.2.1.4), bytestring, bytestring-show, containers, deepseq, ghc-prim, hashable, integer (==0.1.*), integer-gmp, monads-fd, old-locale, syb, text (>=0.11.0.2), time, unordered-containers (>=0.1.2.0), vector (>=0.7) |
| License | BSD3 |
| Copyright | Copyright 2011 MailRank, Inc. |
| Author | Bryan O'Sullivan <bos@mailrank.com> |
| Maintainer | Bryan O'Sullivan <bos@mailrank.com> |
| Stability | experimental |
| Category | Text, Web, JSON |
| Home page | http://github.com/mailrank/aeson |
| Bug tracker | http://github.com/mailrank/aeson/issues |
| Source repository | head: git clone http://github.com/mailrank/aeson head: hg clone http://bitbucket.org/bos/aeson |
| Uploaded | Tue Mar 22 06:05:56 UTC 2011 by BryanOSullivan |
| Distributions | Debian:0.8.0.2, Fedora:0.8.0.2, FreeBSD:0.7.0.6, LTSHaskell:0.8.0.2, NixOS:0.8.0.2, Stackage:0.8.0.2 |
| Downloads | 208223 total (1183 in last 30 days) |
| Status | Docs uploaded by user Build status unknown [no reports yet] |
Modules
[Index]
Flags
| Name | Description | Default |
|---|---|---|
| developer | operate in developer mode | Disabled |
Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info
Downloads
- aeson-0.3.2.0.tar.gz [browse] (Cabal source package)
- Package description (included in the package)
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