Understanding Swift Performance

WWDC Index does not host video files

If you have access to video files, you can configure a URL pattern to be used in a video player.

Use any of these variables in your URL pattern, the pattern is stored in your browsers' local storage.

$id
ID of session: wwdc2016-416: $eventId
ID of event: wwdc2016: $eventContentId
ID of session without event part: 416: $eventShortId
Shortened ID of event: wwdc16: $year
Year of session: 2016: $extension
Extension of original filename: mp4: $filenameAlmostEvery
Filename from "(Almost) Every..." gist: [2016] [Session 416] Understandi...

WWDC16 • Session 416

Developer Tools • iOS, macOS, tvOS, watchOS • 58:22

In this advanced session, find out how structs, classes, protocols, and generics are implemented in Swift. Learn about their relative costs in different dimensions of performance. See how to apply this information to speed up your code.

Speakers: Kyle Macomber, Arnold Schwaighofer

Open in Apple Developer site

Downloads from Apple

HD Video (1.81 GB)
SD Video (466.9 MB)
PDF Slides (947 kB)