LuxDL/Lux.jl

Enzyme wrappers for AD utilities in Lux

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#738 opened on Jun 27, 2024

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Description

Functions

  • batched_jacobian
    • Enzyme.Forward
    • Enzyme.Reverse
  • vector_jacobian_product
  • jacobian_vector_product

Nested Autodiff

Enzyme needs us to use autodiff_thunk for the internal call, so we can easily replace the call inside custom rrules.

  • EnzymeRules
  • CRC.rrule

Contributor guide

Research direction
Study Enzyme.jl documentation for autodiff thunk and how to create wrappers for custom rrules. Identify the specific functions (batched jacobian, etc.) in Lux's source and implement Enzyme forward/reverse wrappers as described.
Tech stack
None
Domain
machine learningai
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
JuliaAutomatic differentiationEnzyme
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30