> Related: we found a "magic fast box" or two in the code this week. Many drivers will > be between 2 and 9 times faster starting in u1 and continuing on, which will be huge > for lower-end hardware. Watch SVN for "tagmap" commits. (Most of them are for MESS > right now since it got audited first, but there are several MAME drivers that could > benefit a lot according to the stats Tafoid just ran).
I hope someone (you? or Haze?) will make a detailed blog post on how this was noticed/discovered, how it works, possibly with some before/after benchmark porn. I can't speak for other people, but this the kind of thing that I find really interesting from a software development perspective.