Saturday, 21 July 2012

It's like the starship Enterprise in here ..

Just joined Google+. Or rather, I think I've just joined Google+. It's hard to be sure. There could be some kind of blackballing process. Possibly there's another OK box listed under Circles -> Pages -> Wombats -> 13 and you have to type Ctrl-G Ctrl-H Ctrl-R. Or maybe that just makes dragons fly out of your screen.

It's definitely another Google service. Now, I wonder what happens if I press this black button labelled in black on a black background ..

Friday, 9 March 2012

Things to remember when designing computers, number 4,923: A mutex lock is also a memory barrier. In the uncontended case, the memory barrier costs more than the lock.