JuliaDiff / JuliaDiff/ChainRulesCore.jl

Ability to identify rules that always return AbstractZero

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design rule definition helper
Dominant language
Julia
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267
Forks
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Description

This related to @non_differentiable
I think for operator overloading based AD,
if a rule's propagator is always going to return a AbstractZero the correct thing to do quiet different.
One wants to accept the overloaded type, but return a non-overloaded type

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the @non_differentiable handling and operator-overloading AD rule machinery referenced in the issue. Clarify how to identify propagators that always return AbstractZero, including the expected overloaded input and non-overloaded result, then define tests for those cases.

Written by the indexing model from the issue text.

Assessment

Tech stack
julia
Domain
machine-learning
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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