Mastering Swift 2 Programming (Video 46)

The video tutorial explores compiler optimizations in Xcode, focusing on whole module optimization. It explains how this mode optimizes the entire module, leading to significant performance improvements, albeit with longer build times. The tutorial demonstrates testing these optimizations using Swift's filter functions and analyzing performance with the time profiler. It also covers inline functions and their role in enhancing performance. The video concludes with a practical demonstration of switching optimization modes and measuring their impact on CPU usage.

How does LLVM compiler handle code compilation by default?

What is the main advantage of using whole module optimization in Xcode?

What is the trade-off when using whole module optimization?

What changes were observed when switching from Swift's filter to a custom filter?

What is the purpose of inlining functions in Swift?

How can you prevent a function from being inlined in Swift?

What was the outcome of using the time profiler in the video?