JuliaDiff/DifferentiationInterface.jl

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An interface to various automatic differentiation backends in Julia.

Stars: 313
Forks: 35
Open beginner issues: 0
Indexed issues: 72

Dominant language: Julia
License: MIT
Last GitHub push: Aug 16, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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72 open issues indexed

DIT errors with custom types in contexts Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

JuliaDiff/DifferentiationInterface.jl#1069 · Opened Sep 12, 2026
AutoEnzyme Jacobian preparation scalar-indexes Reactant traced arrays Open

backend wontfix

Difficulty 4/5 3-5 days Newbie friendliness 52/100

JuliaDiff/DifferentiationInterface.jl#1066 · 10 comments · Opened Aug 26, 2026
Split preparation methods into 4 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

JuliaDiff/DifferentiationInterface.jl#1059 · Opened Aug 14, 2026
Add ThreadedHessianConfig for HyperHessians Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#1058 · Opened Aug 14, 2026
AutoEnzyme forward-mode jacobian() silently returns wrong values for closure-captured arrays reused unmodified in vcat Open

backend

Difficulty 4/5 3-5 days Newbie friendliness 52/100

JuliaDiff/DifferentiationInterface.jl#1057 · 1 comment · Opened Aug 14, 2026
Allow passing `y` to `prepare!_same_point` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#1055 · Opened Aug 14, 2026
Feat: A third preparation mode between `strict=Val(true)` and `strict=Val(false)`: fall back to unprepared execution on signature mismatch Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

JuliaDiff/DifferentiationInterface.jl#1052 · Opened Aug 7, 2026
Contributors Open

wontfix

Difficulty 1/5 Under an hour Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#1028 · 7 comments · Opened Jun 17, 2026
Feature request: Coverage in DifferentiationInterfaceTest Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaDiff/DifferentiationInterface.jl#1024 · 9 comments · Opened Jun 1, 2026
Bug(Enzyme): SecondOrder(ForwardDiff, AutoEnzyme(Reverse)) silently returns 0 from second_derivative Open

bot

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaDiff/DifferentiationInterface.jl#1017 · Opened May 20, 2026
Bug(ChainRules): gradient/pullback return NoTangent instead of zeros when f does not depend on x Open

bot

Difficulty 3/5 1-2 days Newbie friendliness 72/100

JuliaDiff/DifferentiationInterface.jl#1016 · Opened May 20, 2026
Bug(GTPSA): gradient/jacobian/hessian/hvp fail and pushforward returns wrong values when f does not depend on x Open

bot

Difficulty 3/5 1-2 days Newbie friendliness 68/100

JuliaDiff/DifferentiationInterface.jl#1015 · Opened May 20, 2026
Bug(FastDifferentiation): hessian returns wrong values when a variable appears inside a nonlinear op and as a multiplier Open

bot

Difficulty 4/5 3-5 days Newbie friendliness 55/100

JuliaDiff/DifferentiationInterface.jl#1014 · 3 comments · Opened May 20, 2026
Bug(FiniteDiff): hvp accuracy under AutoFiniteDiff() defaults disagrees with hessian Open

bot

Difficulty 4/5 3-5 days Newbie friendliness 52/100

JuliaDiff/DifferentiationInterface.jl#1012 · 3 comments · Opened May 20, 2026
Bug(Zygote): derivative fails when Zygote returns nothing gradient Open

bot

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

JuliaDiff/DifferentiationInterface.jl#1011 · 3 comments · Opened May 20, 2026
Bug(Mooncake): jacobian for real→complex functions returns Float64 instead of ComplexF64 Open

bot

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#1010 · Opened May 18, 2026
Bug(ForwardDiff): jacobian/derivative returns Dual numbers for real→complex functions Open

bot

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaDiff/DifferentiationInterface.jl#1009 · 1 comment · Opened May 18, 2026
Info: DI is running an agentic bug finding experiment Open

bot wontfix

Difficulty 5/5 Over a week Newbie friendliness 10/100

JuliaDiff/DifferentiationInterface.jl#1008 · 2 reactions · Opened May 18, 2026
Test two different points for derivative computations Open

test

Difficulty 3/5 1-2 days Newbie friendliness 52/100

JuliaDiff/DifferentiationInterface.jl#1007 · Opened May 18, 2026
The proper way to do automatic sparse differentiation on GPU Open

documentation gpu

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaDiff/DifferentiationInterface.jl#997 · 10 comments · Opened Apr 25, 2026
Option for Native AD backend APIs to offer direct stability guarantees ? Open

backend core

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDiff/DifferentiationInterface.jl#993 · 18 comments · Opened Apr 17, 2026
PR proposal: `AutoBatch`-batch/vectorized AD backend Open

core

JuliaDiff/DifferentiationInterface.jl#991 · 10 comments · 1 assignee · Opened Apr 12, 2026
documentation: clarify role of mutable arguments for operators like `jacobian!` Open

core documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDiff/DifferentiationInterface.jl#977 · 4 comments · Opened Mar 7, 2026
GPU array preservation and parallelism in wrong mode Open

core gpu

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#971 · Opened Feb 23, 2026
GPU scalar indexing when `transpose(::CuArray)` Open

gpu

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#970 · 12 comments · Opened Feb 23, 2026
Generalize `prep` to allow for differentiating w.r.t. any single argument Open

core

Difficulty 5/5 Over a week Newbie friendliness 32/100

JuliaDiff/DifferentiationInterface.jl#967 · 1 comment · Opened Feb 17, 2026
Use Jacobian of gradient for Hessian Open

core

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDiff/DifferentiationInterface.jl#959 · Opened Jan 27, 2026
macro for importing rule from chain rules for all backends that support it and are loaded Open

backend

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#951 · Opened Dec 31, 2025
extend DifferentiateWith support to Enzyme Open

backend

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaDiff/DifferentiationInterface.jl#950 · 1 comment · Opened Dec 31, 2025
AD-agnostic stop gradient Open

backend

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#949 · 3 comments · 1 reaction · Opened Dec 31, 2025
Add tests for bicoloring with empty row colors Open

test

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JuliaDiff/DifferentiationInterface.jl#866 · Opened Oct 9, 2025
Switch to BenchmarkTools for DIT? Open

test

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#865 · Opened Oct 8, 2025
convert active argument in case of a preparation mismatch Open

core

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#859 · 5 comments · Opened Oct 1, 2025
copy method for prep objects Open

backend core

Difficulty 4/5 3-5 days Newbie friendliness 38/100

JuliaDiff/DifferentiationInterface.jl#858 · 1 comment · Opened Oct 1, 2025
Failing Enzyme tests Open

backend

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDiff/DifferentiationInterface.jl#855 · Opened Sep 29, 2025
Test that correctness tests fail when they need to Open

test

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

JuliaDiff/DifferentiationInterface.jl#847 · Opened Aug 27, 2025
Split CI workflows Open

test

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#830 · Opened Aug 2, 2025
Formalize backend interface Open

core documentation test

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#828 · 1 reaction · Opened Aug 1, 2025
Test Unitful compatibility Open

test

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDiff/DifferentiationInterface.jl#827 · Opened Jul 31, 2025
Allow overloading DI methods Open

core

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaDiff/DifferentiationInterface.jl#822 · Opened Jul 13, 2025
Pullback closure for `DifferentiateWith` Open

core

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaDiff/DifferentiationInterface.jl#821 · 1 reaction · Opened Jul 10, 2025
Add index of users / applications Open

documentation

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaDiff/DifferentiationInterface.jl#815 · Opened Jun 23, 2025
Allow `prep=nothing` to stand for "no preparation" Open

core

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDiff/DifferentiationInterface.jl#814 · 1 comment · 1 reaction · Opened Jun 20, 2025
Inconsistency in handling empty arguments Open

backend

Difficulty 4/5 3-5 days Newbie friendliness 42/100

JuliaDiff/DifferentiationInterface.jl#802 · 2 comments · Opened May 22, 2025
Make `prepare_pullback_same_point` return the primal output? Open

backend core

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaDiff/DifferentiationInterface.jl#791 · 1 comment · Opened May 11, 2025
Implement `Cache` for Enzyme reverse mode Open

backend

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDiff/DifferentiationInterface.jl#783 · Opened May 6, 2025
AutoFastDifferentiation not working with NamedTuple context Open

backend

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaDiff/DifferentiationInterface.jl#775 · 3 comments · Opened Apr 15, 2025
Add documentation about sparsity patterns Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaDiff/DifferentiationInterface.jl#769 · Opened Apr 2, 2025
Clean up context translation and testing Open

backend core test

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDiff/DifferentiationInterface.jl#750 · Opened Mar 19, 2025
Add test scenarios for nested structs Open

test

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JuliaDiff/DifferentiationInterface.jl#724 · Opened Feb 9, 2025

JuliaDiff/DifferentiationInterface.jl

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