I know there are alot of people who faceroll Butcher in inferno in like 10 seconds flat. There are also people who can take hits from the boss but fail the enrage timer hits them for gay DoT, due to their low DPS.
Still works as of 1.03.
Here's a quick video of how it looks like:
[Diablo III] Avoiding fire during the Butcher fight in Act I - YouTube
Summary: Just stick to the bottom-most part of the map. You can avoid the flames there. Works of course, best for the tanky-builds. You still have about 3ish cells to walk left and right at that part of the map, if that helps with anything.
Not much of a guide at all, but just thought I'd start my contributions somewhere xD