Rust is just as fast as C/C++

• ixy-languages

  30 2,108 0.0 TeX

  A high-speed network driver written in C, Rust, C++, Go, C#, Java, OCaml, Haskell, Swift, Javascript, and Python

  

First of all, you are comparing some specific libraries/implementations, not programming languages. Theoretically you could always get the same performance using rust. Look at the last section here: https://github.com/ixy-languages/ixy-languages/blob/master/Rust-vs-C-performance.md In their case, the code generated by C2Rust compiled with rustc did actually run even slightly faster than the C code compiled directly using clang.

• json-benchmark

  12 168 4.8 C++

  nativejson-benchmark in Rust

  

Of course that doesnt mean that in practice the available libraries are as optimized. Did you try actix? It tends to be faster than rocket. Also json-rust and simd-json are usually faster than serde-json, when you don't deserialize a known structure. Here are some benchmarks: https://github.com/serde-rs/json-benchmark

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• json

  41 4,517 8.8 Rust

  Strongly typed JSON library for Rust (by serde-rs)

  

serde-rs/json#160: Parsing 20MB file using from_reader is slow

• pest

  42 4,351 7.6 Rust

  The Elegant Parser (by pest-parser)

  

...at least, that's what I get from the "Nom may be faster, and Serde faster still, but we're fast enough" chart on pest's website.

• MessagePack

  22 1,377 8.1 Java

  MessagePack serializer implementation for Java / msgpack.org[Java]

  

I have two suggestions Capnproto, MessagePack (those are only the two examples that came to mind first, i bet there are even one or two especially developed for rust). Both of these are better than json in nearly every way.

• Cap'n Proto

  66 11,163 9.3 C++

  Cap'n Proto serialization/RPC system - core tools and C++ library

  

I have two suggestions Capnproto, MessagePack (those are only the two examples that came to mind first, i bet there are even one or two especially developed for rust). Both of these are better than json in nearly every way.

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