Empty Ruby Templates

Rails has a neat template feature that lets you customise newly created rails apps. There is also the thoughbot suspenders gem that gives a very opinionated set of configuration options for new rai...

07 May 2020

Ruby & the Multicore CPU: Part Five - Ruby 3.0 Concurrency & Parallelism

Ruby 3.0 is scheduled for release Christman 2020. The information below is subject to change. Ruby 3 is proposing two new concurrency abstractions. Guilds for CPU bottlenecks, and asynchronous Fib...

29 Apr 2020

Ruby & the Multicore CPU: Part Four - Current Concurrency Paradigms

Writing, debugging and maintaining safe multi-threaded code is notoriously difficult. Luckily, many useful gems and standard approaches have been created so that you don’t have to do all the heavy ...

29 Apr 2020

Ruby & the Multicore CPU: Part Three - Processes and Threads

You can see all these code examples on github Multiple processes The simplest form of parallel processing is to simply create more processes. The OS will deal with spreading the processing across...

28 Apr 2020

Ruby & the Multicore CPU: Part Two - Ruby up to 2.7

MRI Ruby When ruby was conceived, multi-core CPUs weren’t at the forefront of a language designer’s mind. Subsequently, the ruby virtual machine was developed as a single process, single threaded ...

25 Apr 2020

Ruby & the Multicore CPU: Part One - Introduction

I’m a big fan of both ruby and elixir. For quite some time, one perceived weakness of ruby has been its inability to make best use of multiple cores in modern CPUs. When Matz published the first v...

24 Apr 2020

Ruby 2.7 Notes

Here are some of the biggest changes coming out Ruby 2.7

02 Feb 2020