This is pretty much the one thing keeping me from writing some long diatribe about how performance doesn't matter for a large amount of software. I've got a to

This is pretty much the one thing keeping me from writing some long diatribe about how performance doesn't matter for a large amount of software. I've got a tool that analyzes ...lots... of data, and takes about 2 hours to run. This delay completely does not matter at all, when it's working. But man it's brutal when I have to debug some problem.