EnzymeAD/Enzyme

Add Jacobian mode

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#562 opened on Mar 14, 2022

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 (2 comments) (1 reaction) (0 assignees)LLVM (184 forks)github user discovery
good first issuemeeting notes

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Description

Add a derivative mode __enzyme_jacobian, that computes the jacobian using forward and reverse mode.

Contributor guide

Research direction
Study the existing forward and reverse mode implementations in Enzyme and design how to combine them to compute the Jacobian. Look at the Enzyme internals for handling derivative modes.
Tech stack
ccpp
Domain
backenddevtools
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C++LLVMAutomatic Differentiation
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20