Welcome to my web site. My name is Mike Ash. I'm a programmer at Plausible Labs by night, and a glider pilot by day. I'm an alumnus of the University of Wisconsin-Milwaukee and the Université d'Orléans . I currently reside in the Washington, DC area.
Visit mikeash.com → On Hacker News Sep 2008 – Jul 2017
Software Engineering 6Systems & Performance 3Society, Policy & Culture 1Security & Privacy 1Programming Languages 1Career & Management 1
Ever since the iPhone 5S was announced a couple of weeks ago , the world of tech journalism has been filled with massive quantities of misinformation . Unfortunately, good information takes time, and the world of tech journalism is more about speed than accuracy. Today, as suggested by a variety of readers, I'm going…
In the previous article on ARM64 , I mentioned that one advantage of the new architecture is the fact that it has twice as many registers, allowing code load data from RAM less often, which is much slower. Reader Daniel Hooper asks the natural question: just why is RAM so much slower than registers?
Reader Paul Kim pointed out an entry on Michael Tsai's blog about making dispatch_once fast . While the comment in the dispatch_once source code is fascinating and informative, it doesn't quite delve into the detail that some would like to see. Since this is one of my favorite hacks, for today's article I'm going to…