Random

I revisit the C vs Swift post to see how things have improved. ...

Upgrading the Swift 1.2 version of the orbitals project brought some new performance challenges. I revisit a post by David Steuber, which benchmarked C and Swift generating a 2880x2880 pixel Mandelbrot with 4000 iterations per pixel. C killed Swift. ...

A brief exploration how far computing has come by comparing a Cray 1 supercomputer with an iPhone 6 ...

Update: Added iPhone 5. Update: Added iPhone 4s, iPad 3rd gen. Update: Added iPhone 4, iPad 1st gen. I follow the excellent weekly posts by Mike Ash, and entered a brief discussion in comments about toll free bridging. In particular, the difference between calling a method via Objective-C (objc_msgSend) and it’s equivalent CoreFoundation C call. Mike suggested adding it to his original suite of tests, which lead to the following results....