Updated benchmark results of JSON parsers for Scala - now with results for circe and play-json boosters based on jsoniter-scala.

This page summarizes the projects mentioned and recommended in the original post on reddit.com/r/scala
#Serialization #JSON #Scala #High Performance #Parsing

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  • jsoniter-scala

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

    Sources of benchmarks are here.

  • µPickle

    uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala

    See here for sample code size numbers (not picking on upickle specifically, it's just what I'm using myself. I've heard similar reports about e.g. circe)

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  • weePickle

    A fork of uPickle, shaded for backwards and forwards compatibility.

    The summary would be that jsoniter-scala-core API can speed up AST-based parsers like circe and play-json greatly. But the code generated by jsoniter-scala-macros API is much more efficient, so I'm expecting that some JSON parsers that allow derivation of direct codecs will port or reuse best implementations from jsoniter-scala-core API like here or here.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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