JITs based on GCC/LLVM as recently introduced CRuby MJIT might be heavy and slow for some environments and applications. CRuby MJIT needs two tier compilation with a light weight compiler used as a tier 1 JIT compiler.
This talk will be about the light weight JIT compiler project for CRuby MJIT. The talk will cover the project motivations, current and future state of the project.
RubyKaigi 2019