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MIR: A Lightweight JIT Compiler Project — Built after reflections on the disadvantages of Ruby’s MJIT approach, this post digs into the creation of a JIT compiler project that aims to be faster, create smaller binaries, and support multiple languages. If you don’t understand more than 10% of this, though, don’t be ashamed as it’s very technical.

Work on a Register Transfer Language (RTL) for CRuby — A detailed and rather low level article on the performance improvements that researcher Vladimir Makarov has been working on to make Ruby faster. Here we see his work with RTL, an approach for the Ruby VM to interpret instructions that results in a performance boost but at a cost.