How to use the Ruby 2.6 Just-in-Time (JIT) Compiler

Описание

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Learn more about the Ruby 2.6.0 JIT here: https://www.ruby-lang.org/en/news/2018/12/25/ruby-2-6-0-released/

The JIT compiler is currently not good enough to improve performance for memory-intensive workloads like Rails applications. This is why it's disabled by default in Ruby 2.6's release, but it's very easy to turn on and test out.

Make sure you run benchmarks before using the JIT in production!