Rethinking Static Reference Tables in GHC June 22, 2018It seems rare these days to be able to make an improvement that’s unambiguously better on every axis. Most changes involve a tradeoff of some kind. With a compiler, the tradeoff is often between performance and code size (e.g. specialising code to make it faster leaves us with more code), or between performance and complexity (e.g. adding a fancy new optimisation), or between compile-time performance and runtime performance. Recently ...
