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Richard Wei
553 posts
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Richard Wei
@rxwei
AI frameworks at Apple
San Francisco, CA
Joined September 2009
305
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4,119
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  • user avatar
    Richard Wei
    @rxwei
    Jun 21, 2019
    Did you know: First-class differentiable programming in Swift lets you step over your code *backwards* using LLDB during backpropagation.
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  • user avatar
    Richard Wei
    @rxwei
    Sep 11, 2018
    Swift for TensorFlow now has a Jupyter notebook tutorial, with latest available features like first-class autodiff on arbitrary structs, the new dataset API, and the parameter aggregate API. github.com/tensorflow/swi…
  • user avatar
    Richard Wei
    @rxwei
    Aug 15, 2025
    The team that built the Foundation Models framework is hiring! Join us to create the best LLM APIs, both for app developers and for Apple teams. jobs.apple.com/en-us/details/…
    43K
  • user avatar
    Richard Wei
    @rxwei
    Oct 5, 2020
    My team in Apple Core ML is hiring! We are looking for a compiler engineer to work on Swift (compiler and language design) and machine learning frameworks. Feel free to DM me if you are interested :)
  • user avatar
    Richard Wei
    @rxwei
    Mar 16, 2019
    New documentation about how differentiable programming works in Swift: • Differentiable Functions and Differentiation APIs: github.com/tensorflow/swi… • Differentiable Types: github.com/tensorflow/swi… With language integration, autodiff is just a compiler implementation detail.
  • user avatar
    Richard Wei
    @rxwei
    Jun 9, 2025
    On behalf of the whole team I'm so proud to introduce the Foundation Models framework, an API to access our on-device LLM! Check out the Platforms State of the Union for an introduction and 4 sessions later today! developer.apple.com/news/?id=us98z… #WWDC25
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    26K
  • user avatar
    Richard Wei
    @rxwei
    Jun 8, 2022
    Interested in joining the Swift Charts team? I'm hiring in sunny San Diego! My team in SwiftUI partners with data visualization researchers in Apple’s Machine Intelligence group to empower developers to create beautiful, customizable charts. Apply here: jobs.apple.com/en-us/details/…
  • user avatar
    Richard Wei
    @rxwei
    Mar 9, 2019
    Accidentally mistyped a variable name and caused zero gradient? Swift warns you at compile-time.
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  • user avatar
    Richard Wei
    @rxwei
    Oct 16, 2018
    I wrote a manifesto for first-class Automatic Differentiation in Swift.
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    First-Class Automatic Differentiation in Swift: A Manifesto
    From gist.github.com
  • user avatar
    Richard Wei
    @rxwei
    Apr 26, 2018
    Swift for TensorFlow is open-source! Check out design overview: github.com/tensorflow/swi…
  • user avatar
    Richard Wei
    @rxwei
    Jul 2, 2019
    Sequential coming to Swift for TensorFlow via function builders :) cc @eaplatanios github.com/tensorflow/swi…
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  • user avatar
    Richard Wei
    @rxwei
    Apr 28, 2018
    Why data scientists should start learning Swift – Heartbeat heartbeat.fritz.ai/why-data-scien…
  • user avatar
    Richard Wei
    @rxwei
    Feb 12, 2019
    We open sourced Swift for TensorFlow's deep learning library as a SwiftPM package. Join the development!
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    GitHub - tensorflow/swift-apis: Swift for TensorFlow Deep Learning Library
    From github.com
  • user avatar
    Richard Wei
    @rxwei
    Oct 19, 2019
    Some personal update: After almost 2 years on the Swift for TensorFlow team since its very beginning, I’ve decided to leave Google to go on a new adventure. It was an incredible journey bringing up S4TF and AutoDiff! Pic: Drawing from the early days before S4TF was unveiled.
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