@marioarias
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Mario Arias's blogs
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A response to the "Luajit is wicked fast?" video
Aug 4, 2025 · 7 min read · Recently, I watched the video “Luajit is wicked fast?“ by Philip Bohun. https://www.youtube.com/watch?v=gS8Wji_YnAE Fantastic video, I learned a lot. Please watch it. This article is by no means a refutation, only a small addendum. I also want to w...
Join discussionComparing programming languages XIII: Retaking this series with ReScript
Apr 28, 2025 · 5 min read · Re-introduction In this series, I explore programming languages by implementing an interpreter for the Monkey Language. An interpreter is a medium-sized project that allows me to explore most language features without getting into the particular libr...
Join discussionNo, your GenAI model isn't going to replace me
Feb 15, 2025 · 5 min read · Introduction In the last three weeks, I fixed a couple of performance issues that potentially saved the company a few hundred thousand dollars (I’m a contractor, so I don’t get any bonuses, lol). How did I find these issues? Call it je ne sais quoi, ...
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Comparing implementations of the Monkey Language XII: Speeding Up Python
Aug 25, 2023 · 3 min read · In a previous episode, I wrote three implementations of the Monkey Language in different interpreted languages: Ruby, Python and Lua. Surprisingly, the fastest implementation went to Ruby, and the slowest one was Python. In this episode, we'll look a...
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