Wow! You have a different approach to debugging than I do. :-)That was an example to demonstrate that using a timestamp is not slow like you thought. I usually use a minumum amount of debug outputs but because they go into a table and are queryable and unlimited I do have the option to use more (eg putting outputs within large loops), and I can filter out the excess if I want.
I like to write out just the minimum, and ONLY the values and checkpoints I want to see.