mikeash.com: Friday Q&A 2014-07-04: Secrets of Swift's Speed

Since the introduction of Swift, speed has been a key selling point. Indeed, it's right in the name of the language. It's said to be faster than dynamic languages like Python or JavaScript, potentially faster than Objective-C, and even claimed to be faster than C for certain cases. But how exactly does it do it? Speculation While the language should allow for great performance, the current compile