The aeson package
A JSON parsing and encoding library optimized for ease of use and high performance.
Parsing performance on a late 2010 MacBook Pro (2.66GHz Core i7), for mostly-English tweets from Twitter's JSON search API:
0.8 KB, 32-bit GHC 6.12.3: 30538 msg/sec (24.9 MB/sec)
0.8 KB, 64-bit GHC 7.0.3: 31204 msg/sec (25.4 MB/sec)
6.4 KB, 32-bit GHC 6.12.3: 6731 msg/sec (42.3 MB/sec)
6.4 KB, 64-bit GHC 7.0.3: 6627 msg/sec (41.7 MB/sec)
11.8 KB, 32-bit GHC 6.12.3: 3751 msg/sec (43.2 MB/sec)
11.8 KB, 64-bit GHC 7.0.3: 3381 msg/sec (38.9 MB/sec)
31.2 KB, 32-bit GHC 6.12.3: 1306 msg/sec (39.8 MB/sec)
31.2 KB, 64-bit GHC 7.0.3: 1132 msg/sec (34.5 MB/sec)
61.5 KB, 32-bit GHC 6.12.3: 616 msg/sec (37.0 MB/sec)
61.5 KB, 64-bit GHC 7.0.3: 534 msg/sec (32.1 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.
14.6 KB, 32-bit GHC 6.12.3: 2315 msg/sec (33.1 MB/sec)
14.6 KB, 64-bit GHC 7.0.3: 1986 msg/sec (28.4 MB/sec)
44.1 KB, 32-bit GHC 6.12.3: 712 msg/sec (30.7 MB/sec)
44.1 KB, 64-bit GHC 7.0.3: 634 msg/sec (27.3 MB/sec)
82.9 KB, 32-bit GHC 6.12.3: 377 msg/sec (30.5 MB/sec)
82.9 KB, 64-bit GHC 7.0.3: 332 msg/sec (26.9 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)
(A note on naming: in Greek mythology, Aeson was the father of Jason.)
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 |
|---|---|
| Dependencies | attoparsec (≥0.8.6.1), base (4.*), blaze-builder (≥0.2.1.4), blaze-textual, bytestring, containers, deepseq, hashable (≥1.1.2.0), mtl, old-locale, syb, text (≥0.11.0.2), time, unordered-containers (≥0.1.3.0), 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 | git clone http://github.com/mailrank/aeson |
| Upload date | Thu Jun 30 20:17:06 UTC 2011 |
| Uploaded by | BryanOSullivan |
| Built on | ghc-7.0 |
| Distributions | Fedora: 0.6.0.2, NixOS: 0.6.1.0, Debian: 0.6.1.0, FreeBSD: 0.6.1.0 |
Modules
Downloads
- aeson-0.3.2.9.tar.gz (Cabal source package)
- package description (included in the package)