JuliaDiff/ReverseDiff.jl

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Reverse Mode Automatic Differentiation for Julia

Stars: 393
Forks: 60
Open beginner issues: 0
Indexed issues: 69
Avg merge: 18h 24m
Merged PRs (30d): 8

Dominant language: Julia
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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65 open issues indexed

Method ambiguities with SparseArrays.jl Open

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

JuliaDiff/ReverseDiff.jl#278 · Opened Dec 4, 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
Acknowledging ReverseDiff.jl in scientific publications Open

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

JuliaDiff/ReverseDiff.jl#266 · 2 comments · 1 reaction · Opened Nov 14, 2024
MethodError on `length(::DiffResults.ImmutableDiffResult{1, Float64, Tuple{Float64}})` Open

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

JuliaDiff/ReverseDiff.jl#265 · Opened Oct 25, 2024
MethodError: vcat(::ReverseDiff.TrackedArray{Float32, Float32, 2, Matrix{Float32}, Matrix{Float32}}, ::Matrix{Float32}) is ambiguous. Open

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

JuliaDiff/ReverseDiff.jl#242 · 4 comments · Opened Oct 27, 2023
Add ChainRulesCore RuleConfig? Open

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

JuliaDiff/ReverseDiff.jl#238 · 1 comment · Opened Sep 14, 2023
Strange bug when deferring to ChainRules Open

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

JuliaDiff/ReverseDiff.jl#236 · 1 comment · Opened Aug 7, 2023
Enhancement proposal: Modular tape caching Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

JuliaDiff/ReverseDiff.jl#234 · 16 comments · Opened Jun 6, 2023
Nested differentiation of closures yields incorrect results. Any news on the fix? Open

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

JuliaDiff/ReverseDiff.jl#233 · 3 reactions · Opened May 23, 2023
ReverseDiff defines a huge number of methods. Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

JuliaDiff/ReverseDiff.jl#226 · 3 comments · 2 reactions · Opened Apr 25, 2023
Define `typemin` for tracked reals. Open

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

JuliaDiff/ReverseDiff.jl#225 · Opened Apr 18, 2023
`MethodError: *(::Diagonal, ::ReverseDiff.TrackedArray)` is ambiguous. Open

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

JuliaDiff/ReverseDiff.jl#223 · Opened Mar 23, 2023
ReverseDiff documentation shows issue that has been fixed? Nested differentiation of a closure? Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

JuliaDiff/ReverseDiff.jl#222 · 1 comment · Opened Mar 22, 2023
@grad_from_chainrules macro fails when using multi-output functions Open

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

JuliaDiff/ReverseDiff.jl#221 · 2 comments · 1 reaction · Opened Mar 16, 2023
double free crash with multi-threaded code only when using multiple threads Open

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

JuliaDiff/ReverseDiff.jl#218 · Opened Feb 8, 2023
MethodError: ReverseDiff.TrackedReal ... is ambiguous. Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

JuliaDiff/ReverseDiff.jl#217 · Opened Feb 6, 2023
Record `Broadcast.broadcasted` instead of `Broadcast.broadcast` Open

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

JuliaDiff/ReverseDiff.jl#215 · Opened Jan 16, 2023
Error when using scalar vs. vector to operate on tracked inupt Open

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

JuliaDiff/ReverseDiff.jl#214 · 1 comment · Opened Dec 21, 2022
Get a error when calculating the gradient for LSTM Open

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

JuliaDiff/ReverseDiff.jl#213 · Opened Dec 4, 2022
Hypothetical: ReverseDiff or Analytical Derivative Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

JuliaDiff/ReverseDiff.jl#212 · Opened Nov 21, 2022
Custom `rrule` not working with ReverseDiff Open

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

JuliaDiff/ReverseDiff.jl#208 · 1 comment · 1 reaction · Opened Sep 27, 2022
Interference with Distributed.jl on Windows Open

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

JuliaDiff/ReverseDiff.jl#205 · 23 comments · Opened Aug 22, 2022
ChainRulesCore projection & ReverseDiff.TrackedArray Open

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

JuliaDiff/ReverseDiff.jl#204 · Opened Jul 1, 2022
Support for sparse TrackedArray Open

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

JuliaDiff/ReverseDiff.jl#200 · Opened May 18, 2022
Pullback function Open

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

JuliaDiff/ReverseDiff.jl#199 · 2 comments · Opened Apr 23, 2022
ReverseDiff for derivatives of custom types? Open

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

JuliaDiff/ReverseDiff.jl#194 · 1 comment · Opened Feb 1, 2022
`@grad` or `ChainRulesCore.rrule` with compiled tape? Open

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

JuliaDiff/ReverseDiff.jl#187 · Opened Nov 21, 2021
DimensionMismatch error Open

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

JuliaDiff/ReverseDiff.jl#181 · Opened Aug 9, 2021
TrackedReal vs. TrackedArray in ReverseDiffAdjoint() for 1d oop ODEProblems Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

JuliaDiff/ReverseDiff.jl#178 · Opened May 19, 2021
Error with Turing and ReverseDiff, adding matrices Open

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

JuliaDiff/ReverseDiff.jl#175 · 3 comments · Opened Apr 29, 2021
Integration tests with downstream packages Open

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

JuliaDiff/ReverseDiff.jl#174 · 1 comment · Opened Apr 22, 2021
sum with dims fails if the tracked reals have different types Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

JuliaDiff/ReverseDiff.jl#172 · Opened Apr 9, 2021
Incorrect zero gradient with no error thrown Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

JuliaDiff/ReverseDiff.jl#171 · Opened Mar 8, 2021
Incorrect results when nesting ReverseDiff inside ForwardDiff Open

bug priority

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

JuliaDiff/ReverseDiff.jl#168 · 1 comment · Opened Feb 14, 2021
`StaticArray` of `TrackedReal`s doesn't currently work (and I think it could) Open

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

JuliaDiff/ReverseDiff.jl#153 · Opened Oct 14, 2020
Custom gradient not getting called, incorrect zero gradients Open

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

JuliaDiff/ReverseDiff.jl#150 · 3 comments · Opened Sep 15, 2020
[docs request] Example defining a custom adjoint Open

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

JuliaDiff/ReverseDiff.jl#149 · 1 comment · 3 reactions · Opened Sep 13, 2020
Custom gradient for callable struct Open

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

JuliaDiff/ReverseDiff.jl#135 · Opened Jun 7, 2020
Combine Dual numbers with compiled gradient tape Open

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

JuliaDiff/ReverseDiff.jl#132 · Opened May 29, 2020
Ambiguity issue with transposed of sparse matrices from SparseArrays.jl Open

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

JuliaDiff/ReverseDiff.jl#131 · 3 comments · Opened May 18, 2020
Getindex of zero-array is ambiguous Open

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

JuliaDiff/ReverseDiff.jl#126 · Opened Apr 25, 2020
Error when computing derivative of function involving a complex matrix Open

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

JuliaDiff/ReverseDiff.jl#116 · Opened Jun 8, 2019
Missing A_mul_Bc! Function in Example Open

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

JuliaDiff/ReverseDiff.jl#114 · 1 comment · Opened Feb 2, 2019
Differentiating function that calls pmap Open

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

JuliaDiff/ReverseDiff.jl#108 · Opened Jul 15, 2018
Gradients of gradients Open

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

JuliaDiff/ReverseDiff.jl#105 · Opened Jun 13, 2018
Programmatically defining the model Open

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

JuliaDiff/ReverseDiff.jl#93 · Opened Sep 15, 2017
fma not defined for ReverseDiff.TrackedReal Open

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

JuliaDiff/ReverseDiff.jl#86 · Opened Aug 12, 2017
Potential bug all_results[1].value != fun(x) Open

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

JuliaDiff/ReverseDiff.jl#84 · Opened Aug 9, 2017
Cannot compute derivatives of quadratic form. Open

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

JuliaDiff/ReverseDiff.jl#79 · 4 comments · Opened Jul 1, 2017
Using ReverseDiff as a Knet backend instead of AutoGrad Open

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

JuliaDiff/ReverseDiff.jl#77 · 6 comments · 1 reaction · Opened Jun 23, 2017

JuliaDiff/ReverseDiff.jl

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