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提升ParseTree的性能 #580

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wenshao opened this issue Jul 24, 2022 · 3 comments
Closed

提升ParseTree的性能 #580

wenshao opened this issue Jul 24, 2022 · 3 comments
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bug Something isn't working
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2.0.11

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@wenshao
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wenshao commented Jul 24, 2022 •
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提升在ParserTree场景，也就是JSON字符串Parse为JSONObject场景的性能。在fastjson 1.x中，使用SymbolTable避免重用的Key重复创建从而提升性能。

有用户测试，在这个场景下，fastjson 1.x有更好的性能：
https://juejin.cn/post/7115219049931341854?share_token=f89354b2-5966-4518-ad6a-260b79324771

需要引入类似fastjson 1.x SymbolTable的机制，避免常有Key字符串对象的创建提升性能。
@wenshao wenshao added the bug Something isn't working label Jul 24, 2022
@wenshao wenshao added this to the 2.0.11 milestone Jul 24, 2022
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wenshao commented Jul 24, 2022 •
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已经引入，在ParseTree场景有了很大提升。
296798f

@ahgaoyong
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@wenshao
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wenshao commented Jul 24, 2022

最新性能数据看这里
https://github.com/alibaba/fastjson2/blob/main/docs/benchmark/benchmark_2.0.11_1.md

@wenshao wenshao closed this as completed Aug 7, 2022
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