Compiler Performance

The number of intermediate representations that you have between when the file comes in and you got the bytes coming out the other side. It seems to vary quite a lot from compiler to compilation. I think this is another classic compile engineer, sort of sinkhole or attractive nuisance. But it is something that I think about a lot. And I have some long-term ambitions to try and get rid of certain IRs which theoretically should be avoidable.