This is great. Always love seeing what can be accomplished with just a shell. Wish I could get more time to work on micro-optimisations, in this age you often

This is great. Always love seeing what can be accomplished with just a shell. Wish I could get more time to work on micro-optimisations, in this age you often get funny looks proposing to dig down and optimise sluggish code. Spin up more compute and call it a day they say. While that's completely understandable from a business perspective, it's somewhat unsatisfying as a developer, the expertise that comes from it surely has lasting benefits too.