msgpack
MessagePack serializer implementation for Scala / msgpack.org[Scala] (by msgpack)
µPickle
uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala (by lihaoyi)
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The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
msgpack
Posts with mentions or reviews of msgpack.
We have used some of these posts to build our list of alternatives
and similar projects.
We haven't tracked posts mentioning msgpack yet.
Tracking mentions began in Dec 2020.
µPickle
Posts with mentions or reviews of µPickle.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-10-22.
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Why does Scala seem to be slow at benchmark results?
The upickle library has traditionally had great performance for handling json in Scala apps so is likely to be seen as a safe choice for someone starting a Scala project. It appears though that not just upickle, but other json library projects are having difficulties maintaining their old level of performance when they release using Scala 3's macros. uPickle currently has an open issue where you can see some of these issues: https://github.com/com-lihaoyi/upickle/issues/389 and here you can see the weePickle folks are also having the same performance problems. Looks like things changed up significantly enough between Scala 2 and Scala 3 so that in order to maintain the same functionality they have resorted to using runtime reflection for mapping to/from case classes.
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Updated benchmark results of JSON parsers for Scala - now with results for circe and play-json boosters based on jsoniter-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)
What are some alternatives?
When comparing msgpack and µPickle you can also consider the following projects:
ScalaPB - Protocol buffer compiler for Scala.
avro-codegen
Pickling
scodec - Scala combinator library for working with binary data
Scrooge - A Thrift parser/generator
validation
Chill - Scala extensions for the Kryo serialization library
Avro4s - Avro schema generation and serialization / deserialization for Scala
ScalaBuff - the scala protocol buffers (protobuf) compiler