> The question that has to be asked, though, is "under what test
conditions".  

Well, I have to assume the tests mean on the same hardware. Which implies
changes in code. The story did mention help from Facebook in the form of
code.


> a customer who's running 5.5 on an 8-core rented server today isn't 
>going to go out and rent a 128-core server tomorrow to run 5.7

Ideally, if newer versions are faster, one might delay renting that larger
server. 


> MySQL 5.6 is actually slower, core for core and RAM for RAM, than 5.1 on
older hardware with the same data.

I appreciate legacy hardware, but I'm a small business with newer x86_64
hardware as are all of my customers who use mysql, so not really a concern.

To me it means that if I can hang on a little longer I'll be rewarded with
speed, and won't have to spend the time converting everything to a different
database.



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