Errm, what? At a rate of 155272/s, does it even matter for 99.99% of the apps out there? They’re going to be waiting for the harddrive, or the network, or the terminal, or whatever.

Better off with whichever one is more readable.

(Which is going to be join most of the time – but recommending it on the basis of performance is plainly silly.)

Makeshifts last the longest.