[hawkice]

I'm not a Googler, but I imagine memory usage would be a more meaningful constraint than speed per se on the mega-sorts they are doing. Completely speculative, but in service of a point valid even if the statement isn't: in those rare circumstances, the needs of the company are going to bizarre _anyway_. If you don't know what demands you'll face in the future, there's limited value in learning ahead of your needs.