jsoniter-scala

# jsoniter-scala

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Scala macros for compile-time generation of safe and ultra-fast JSON codecs.

[**Latest results of benchmarks on JVMs**](https://plokhotnyuk.github.io/jsoniter-scala/) that compare parsing and
serialization performance of jsoniter-scala with: [borer](https://github.com/sirthias/borer), 
[circe](https://github.com/circe/circe), 
[circe with jsoniter-scala booster](https://github.com/plokhotnyuk/jsoniter-scala/tree/master/jsoniter-scala-circe),
[fory-json-scala](https://fory.apache.org/docs/next/json/scala),
[jackson-module-scala](https://github.com/FasterXML/jackson-module-scala),
[json4s-jackson](https://github.com/json4s/json4s/tree/master/jackson),
[json4s-native](https://github.com/json4s/json4s/tree/master/native),
[play-json](https://github.com/playframework/play-json),
[play-json with jsoniter-scala booster](https://github.com/evolution-gaming/play-json-tools/tree/master/play-json-jsoniter),
[smithy4s-json](https://github.com/disneystreaming/smithy4s/tree/main/modules/json),
[spray-json](https://github.com/spray/spray-json), [uPickle](https://github.com/lihaoyi/upickle),
[weePickle](https://github.com/rallyhealth/weePickle), [zio-blocks](https://github.com/zio/zio-blocks), 
[zio-json](https://github.com/zio/zio-json), [zio-schema-json](https://github.com/zio/zio-schema/tree/main/zio-schema-json)
libraries compiled by Scala 3.9.0 with `-opt -opt-inline:**,!java.**` options for optimization and inlining
using different JDK and GraalVM versions on Intel® Core™ Ultra 9 285K CPU @ 3.7GHz (max 5.7GHz, 200S Boost), 
RAM 64Gb DDR5-6400, Ubuntu Server 25.04 (Linux 7.0), and latest versions of JDK 17/21/25/28ea,
GraalVM Community JDK 17/21/25, and GraalVM JDK 17/21/25[*](https://docs.google.com/spreadsheets/d/1IxIvLoLlLb0bxUaRgSsaaRuXV0RUQ3I04vFqhDc2Bt8/edit?usp=sharing).

[**Latest results of benchmarks on browsers**](https://plokhotnyuk.github.io/jsoniter-scala/index-scalajs-arm.html) that
compare performance of jsoniter-scala with: [c