Vector API use for JRuby's json library

Daniel Lemire daniel at lemire.me
Wed Jul 16 17:46:18 UTC 2025


Good day Charles,

The following link might be relevant :

https://github.com/simdjson/simdjson-java

- Daniel

> After seeing similar work done for the C version of the Ruby json standard library, I suggested to the author that we could do the same for JRuby using the Vector API. So he went and did it!
> 
> https://github.com/ruby/json/pull/824
> 
> The results are somewhat mixed; performance of some cases is faster and other cases is slower. We would love to get input from anyone on this list interested in seeing another real-world use case for the Vector API.
> 
> I'm hopeful we can pump up these numbers with some additional tweaking in JRuby and json.
> 
> *Charles Oliver Nutter*
> *Architect and Technologist*
> Headius Enterprises
> https://www.headius.com
> headius at headius.com
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