nspropertylistserialization 与 nsjsonserialization 的性能
我正在考虑将来自 Web 服务端点的数据序列化为 JSON 转换为二进制属性列表。我正在对 Cocoa 进行反序列化。同时使用过 NSPropertyListSerialization 和 NSJSONSerialization 的人是否注意到解析时间上的差异？我很好奇，因为我之前读过，有一个明显的区别 - 请参阅 这篇博文（在“底层”部分）查看 Hipmunk 的示例。
I'm considering making a switch from serializing data from my web service endpoint as JSON to a binary property list. I'm unserializing on Cocoa. Has anyone who has used both NSPropertyListSerialization and NSJSONSerialization noticed a difference in parsing times? I'm curious as I've read before that there's a noticeable difference—see this blog post (in the Under the Hood section) for an example by Hipmunk.
Also interesting to me if there's a noticeable difference between NSJSONSerialization and external libraries like JSONKit or TouchJSON.
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我提取了 200 条推文，并使用 SBJSON 和 NSJSONSerialization 分析了有效负载。结果：
SBJSON：489ms / 397KB
NSJSONSerialization：133ms / 3.8 KB
NSJSONSerialization 具有相当显着的优势 - 特别是在内存占用方面。
http://blog.skulptstudio.com/nsjsonserialization-vs-sbjson-performance
I pulled down 200 tweets and profiled parsing the payload using both SBJSON and NSJSONSerialization. The results:
SBJSON: 489ms / 397KB
NSJSONSerialization : 133ms / 3.8 KB
NSJSONSerialization has a pretty significant advantage - especially in terms of the memory footprint.
http://blog.skulptstudio.com/nsjsonserialization-vs-sbjson-performance
我可以说 NSJSONSerialization 比 JSONKit 更快，我将它用于 Core Graphics 项目，之前平均需要 26 毫秒的代码现在只需要 16 毫秒，仅在 JSON 反序列化方面发生了变化。
不确定
NSPropertyListSerialization，但 JSONKit 的 GitHub 页面声称它比二进制更快.plist，这让我相信NSJSONSerialization类是其中最快的。如果我错了请纠正我。I can say that
NSJSONSerializationis faster than JSONKit, I used it for a Core Graphics project and code which took on average 26ms before is now 16ms, with only changes in the JSON deserialization.Not sure on
NSPropertyListSerialization, but the GitHub page of JSONKit claims it's faster than binary .plist, which leads me to believe thatNSJSONSerializationclass is the fastest of them all. Correct me if I'm wrong.