Swift Compiler Engineer @ Apple. (he/him)

Santa Clara, CA
Joined December 2009
Check out my colleague Euan talk about neat ways to package up #swift apps for servers using containers :-) Nicely automated using SwiftPM plugins et al! youtube.com/watch?v=MV0wACpi…
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We also have some cool Swift talks on the main track: Incremental Memory Safety in an Established Software Stack: Lessons Learned from Swift fosdem.org/2025/schedule/eve… and I'm on the FreeJava track: fosdem.org/2025/schedule/eve… Cya there!
Only a few weeks till #FOSDEM! Make sure to plan to check out the #Swift track and/or the Swift talks the main and FreeJava tracks! Swift DevRoom: fosdem.org/2025/schedule/tra… See you there! #oss
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Introducing the seamless Java/Swift interop effort! Offering both: - generated Swift macro based JNI wrappers - Project Panama based Swift accessors generated with a jextract-swift tool for high performance use-cases Early prototype is open source and we’ll share more about our plans and invite folks to collaborate early next week! github.com/swiftlang/swift-j… #ServerSideSwift2024
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Fantastical deep information about optimizing for Apple Silicon can now be found here: developer.apple.com/download…
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If you’re a developer with an as yet unreleased game and it’s not currently working with GPTk and you’d like to evaluate it - get in touch! [email protected]
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using GPTk and seeing graphical glitches, unusual performance or input problems?we want to hear about them! A screenshot or video with HUD showing, sysdiagnose, and information about the game and where you are in it would be great - feedbackassistant.apple.com.
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If you're a "learn by studying" type, I'd recommend starting with my “Expand on Swift macros”, which takes a deep dive on how macros work and what kinds of capabilities they have: developer.apple.com/videos/p… #WWDC23
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A new version of Foundation launched today as an open source project, written in Swift. This project provides a single, cross-platform implementation and shows significant performance improvements. swift.org/blog/foundation-pr…
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O frabjous day! Callooh! Callay! A few cool new (brief) videos at devcms.apple.com/videos/ including more details about the Metal Performance HUD.
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It true. Even more controllers are supported in upcoming iPadOS 16.
Connect a game controller to your iPad to create an incredible portable game console. Play solo or team up with friends in multiplayer.

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Dario Rexin retweeted
I’m at #PLDI2022! Come say hi and check out Apple’s job listings pldi22.sigplan.org/attending… – at San Diego, CA
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We have exciting engineering opportunities for people interested in C++, compilers, and security tools! Apply to join our team: jobs.apple.com/en-us/details… jobs.apple.com/en-us/details… #jobopening #job #Hiring
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Dario Rexin retweeted
We are looking to apply compiler and programming language techniques to improve SwiftUI's developer experience. DM me if you are interested in a summer internship! Prior experience with compilers is required. The position is in-person in Cupertino or San Diego.
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This is not an actual quote of Marx' words, but a combination of two separate articles - one by Marx, one by Engels - and taken out of context. Marx in his article criticizes capitalism and is by no means calling for genocide. Easily disproven by a quick Google search.
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X86_64 and AArch64 Docker images now available on hub.docker.com/_/swift for Swift 5.6!
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Swift 5.6 is now officially available! This new version adds the ability to run plugin commands with SwiftPM, brings enhancements to the type system, improves interaction with pointers, and more. Details at: swift.org/blog/swift-5.6-rel…
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