Concurrency and parallelism in Ruby (Processes, Threads, Fibers and Ractors) by Jan Grela - Visuality

How to achieve concurrency and parallelism in Ruby? There are a couple of ways and I will describe these in the following article. It only covers the usage of Ruby core and standard library modules.Modern CPUs consist of multiple cores, so software developers can benefit. Nowadays programming languages with concurrency features support the usage of multi-cores. Ruby is no exception, let's see how this it could be done.