I don't know. Maybe it's because I've spent too long thinking about such things, but interpreter dispatch routines are one of those areas of code where micro-op

I don't know. Maybe it's because I've spent too long thinking about such things, but interpreter dispatch routines are one of those areas of code where micro-optimizations are very pernicious and one should expect to review the landscape each time to rediscover best practice. See all the ways of compiling and executing Forth words for examples.