Ruby Concurrency and Parallelism
Briefly

Elixir's strength lies in its foundation on the ErlangVM, designed for high-concurrency environments, particularly in large-scale telecom systems. This inherent capability allows Elixir to excel in managing numerous concurrent processes effortlessly, providing systems that require high reliability and performance benefits. With its actor model and lightweight processes, it stands out in scenarios demanding extensive concurrent executions.
Ruby, on the other hand, was created with a focus on simplicity and usability. Although concurrency was not its initial emphasis, since version 1.9, Ruby has integrated threads and fibers to manage parallel tasks and processes. With the advent of Ruby 3, the introduction of 'ractors' further enhanced its ability to handle parallelism, allowing developers to leverage multiple CPU cores effectively.
While Elixir provides built-in tools for high concurrency via Erlang, Ruby's advancements also show a significant commitment to increasing its concurrency capabilities. The evolution into using fibers and ractors illustrates Ruby's adaptive nature, focusing on improving performance and scalability for modern applications, including those utilizing AI and ML.
To pick a suitable language for projects requiring concurrency, it's essential to weigh the pros and cons of both Elixir and Ruby. Elixir offers a potent framework with unparalleled concurrency through its Erlang-backed ecosystem, while Ruby has evolved to meet concurrency demands with manageable solutions. Your choice should align with your project requirements and existing infrastructure.
Read at Rubyflow
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