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JuliaDiff

23 indexed repositories · View on GitHub

ForwardDiff.jl
Forward Mode Automatic Differentiation for Julia

Julia · 1005 stars
BlueStyle
A Julia style guide that lives in a blue world

519 stars
ChainRules.jl
forward and reverse mode automatic differentiation primitives for Julia Base + StdLibs

Julia · 475 stars
Diffractor.jl
Next-generation AD

Julia · 453 stars
ReverseDiff.jl
Reverse Mode Automatic Differentiation for Julia

Julia · 393 stars
TaylorSeries.jl
Taylor polynomial expansions in one and several independent variables.

Julia · 388 stars
FiniteDifferences.jl
High accuracy derivatives, estimated via numerical finite differences (formerly FDM.jl)

Julia · 318 stars
DifferentiationInterface.jl
An interface to various automatic differentiation backends in Julia.

Julia · 313 stars
FiniteDiff.jl
Fast non-allocating calculations of gradients, Jacobians, and Hessians with sparsity support

Julia · 304 stars
ChainRulesCore.jl
AD-backend agnostic system defining custom forward and reverse mode rules. This is the light weight core to allow you to define rules for...

Julia · 267 stars
AbstractDifferentiation.jl
An abstract interface for automatic differentiation.

Julia · 138 stars
TaylorDiff.jl
Taylor-mode automatic differentiation for higher-order derivatives

Julia · 83 stars
DualNumbers.jl
Julia package for representing dual numbers and for performing dual algebra

Julia · 80 stars
DiffRules.jl
A simple shared suite of common derivative definitions

Julia · 74 stars
Capstan.jl
A Cassette-based automatic differentiation package for the Julia language

Julia · 56 stars
ChainRulesTestUtils.jl
Utilities for testing custom AD primitives.

Julia · 50 stars
SparseMatrixColorings.jl
Coloring algorithms for sparse Jacobian and Hessian matrices

Julia · 45 stars
HyperDualNumbers.jl
Julia implementation of HyperDualNumbers

Julia · 43 stars
DiffResults.jl
A package which provides an API for querying differentiation results at multiple orders simultaneously

Julia · 37 stars
PolyesterForwardDiff.jl

Julia · 34 stars
3 more repositories live on View on GitHub

Beginner friendly Everything

Open All

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
Wrong broadcasting in case of complex numbers Open

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

JuliaDiff/ForwardDiff.jl#795 · 1 comment · Opened Feb 17, 2026
norm() on a zero vector with non-zero partials gives nan value for v1.3.1+ Open

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

JuliaDiff/ForwardDiff.jl#794 · 2 comments · Opened Feb 12, 2026
Coloring for symmetric banded matrices Open

feature

JuliaDiff/SparseMatrixColorings.jl#302 · 1 assignee · Opened Jan 30, 2026
Add a check for the symbols used in ColoringProblem and ConstantColoringAlgorithm Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

JuliaDiff/SparseMatrixColorings.jl#301 · 1 comment · Opened Jan 30, 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
NaN partials and comparison Open

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

JuliaDiff/ForwardDiff.jl#790 · 1 comment · Opened Dec 24, 2025
Method ambiguities with SparseArrays.jl Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

JuliaDiff/ReverseDiff.jl#278 · Opened Dec 4, 2025
Error with ForwardDiff 1 and QuadGK Open

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

JuliaDiff/ForwardDiff.jl#785 · 5 comments · Opened Nov 17, 2025
Allow Dual{T, SIMD.Vec, N} Open

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

JuliaDiff/ForwardDiff.jl#784 · Opened Nov 15, 2025
Decompress into a single triangle Open

epic feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaDiff/SparseMatrixColorings.jl#280 · 4 comments · 1 reaction · Opened Nov 4, 2025
Add a variant of natural order for bicoloring Open

feature

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

JuliaDiff/SparseMatrixColorings.jl#266 · Opened Oct 13, 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
Ambiguity with forwarddiff ? Open

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

JuliaDiff/TaylorDiff.jl#103 · 6 comments · Opened Sep 18, 2025
Support for LogExpFunctions && better errors Open

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

JuliaDiff/TaylorDiff.jl#102 · 3 comments · Opened Sep 7, 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
Accept Unitful numbers as input Open

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

JuliaDiff/FiniteDifferences.jl#243 · 3 comments · Opened Aug 27, 2025
Type issues with ReverseDiff over FiniteDifferences jvp and undocumented requirement to set adapt=0 Open

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

JuliaDiff/FiniteDifferences.jl#242 · 1 comment · Opened Aug 22, 2025
Scalar indexing error when computing Jacobian with a `CUDA.CuArray` Open

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

JuliaDiff/ForwardDiff.jl#759 · 3 comments · Opened Aug 8, 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
Error with nested calls to TaylorDiff Open

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

JuliaDiff/TaylorDiff.jl#99 · 3 comments · Opened Jun 15, 2025
Modifying a single index of a vector valued function doesn't work Open

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

JuliaDiff/ForwardDiff.jl#752 · 1 comment · Opened Jun 5, 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
Create a function to return the seeds for AD Open

question

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

JuliaDiff/SparseMatrixColorings.jl#238 · Opened Apr 5, 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
Unicode poorly rendered in readme Open

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

JuliaDiff/Diffractor.jl#302 · 2 comments · Opened Apr 1, 2025
ReverseDiff errors when updating a vector{Real} stored in a Struct Open

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

JuliaDiff/ReverseDiff.jl#270 · Opened Mar 25, 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
Implement decompress_single_color! for star bicoloring Open

feature

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

JuliaDiff/SparseMatrixColorings.jl#206 · Opened Mar 18, 2025
more `test_approx` ambiguities Open

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

JuliaDiff/ChainRulesTestUtils.jl#291 · Opened Feb 28, 2025
Taylor Coefficients for multivariate Functions Open

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

JuliaDiff/TaylorDiff.jl#95 · 1 comment · Opened Feb 25, 2025
Can this library be used to calculate a bunch of taylor coefficients in parallel? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaDiff/TaylorSeries.jl#375 · 1 comment · Opened Feb 25, 2025
GitHub link in docs points to ChainRulesCore.jl Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

JuliaDiff/ChainRules.jl#818 · Opened Feb 17, 2025
Document kwargs and fix missing uses Open

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

JuliaDiff/FiniteDiff.jl#199 · 3 comments · Opened Feb 10, 2025

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