EnzymeAD/Enzyme.jl

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Julia bindings for the Enzyme automatic differentiator

Stars: 586
Forks: 108
Open beginner issues: 0
Indexed issues: 275
Avg merge: 1d 5h
Merged PRs (30d): 44

Dominant language: Julia
License: MIT
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue

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275 open issues indexed

Curious slow down (through Turing) Open

performance

EnzymeAD/Enzyme.jl#1769 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Custom rule errors with `active by ref type Active{...} is overwritten` when data in Active arg comes from location determined at runtime Open

EnzymeAD/Enzyme.jl#1786 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Forward over reverse drops custom rule if corresponding function is inlined Open

EnzymeAD/Enzyme.jl#1795 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
sum somtimes allocates during reverse pass Open

EnzymeAD/Enzyme.jl#1803 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Illegal type analysis in SVector \ SMatrix Open

type analysis

EnzymeAD/Enzyme.jl#1805 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Error for autodiff on mul!, using 2D view of 3D array. "cannot handle blas argument alpha within syrk of..." Open

lapack support

EnzymeAD/Enzyme.jl#1806 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Missing rule for LAPACK's dgetrf_64_ Open

lapack support

EnzymeAD/Enzyme.jl#1820 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Forward mode gradient error with argument of limited mutability Open

EnzymeAD/Enzyme.jl#1821 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Syntactic sugar for `vjp` Open

EnzymeAD/Enzyme.jl#1853 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme is dropping gradients when using custom rule and views Open

EnzymeAD/Enzyme.jl#1856 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Problem by `vcat` and `eachcol` Open

EnzymeAD/Enzyme.jl#1867 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Custom rules may fail to compile depending on inlining/method specialization Open

EnzymeAD/Enzyme.jl#1874 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add siam mpe introduction to docs Open

EnzymeAD/Enzyme.jl#1913 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot handle unknown binary operator or in LogSumExp Open

EnzymeAD/Enzyme.jl#1940 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
unhandled jl_f_arrayref Open

EnzymeAD/Enzyme.jl#1944 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
enzyme_sparse_accumulate and co in Julia Open

help wanted

EnzymeAD/Enzyme.jl#1947 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Sugar] handle view inputs for Enzyme.onehot and therefore Enzyme.gradient / Enzyme.jacobian Open

good first issue

EnzymeAD/Enzyme.jl#1950 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Example of JVP / J'VP with Krylov.jl Open

documentation

EnzymeAD/Enzyme.jl#1957 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
"could not find jl_wait fn to create shadow of jl_enq_work" Open

help wanted

EnzymeAD/Enzyme.jl#1959 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
unhelpful `ReadOnlyMemoryError` message Open

more information needed

EnzymeAD/Enzyme.jl#1988 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[ForwardMode] unimplemented derivative for trtrs Open

EnzymeAD/Enzyme.jl#1991 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
EnzymeTestUtils fails for FFT plans / structs with undefined references Open

EnzymeAD/Enzyme.jl#1992 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[ForwardMode] Runtime Activity not supported for BLAS calls Open

EnzymeAD/Enzyme.jl#1995 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Second order AD error Open

more information needed

EnzymeAD/Enzyme.jl#2011 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Missing Rule for Roots.jl Open

more information needed

EnzymeAD/Enzyme.jl#2035 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Benchmarking some very simple Flux models Open

EnzymeAD/Enzyme.jl#2069 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Compilation failed when using `spdiagm` Open

EnzymeAD/Enzyme.jl#2108 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme internal error while running neural ODE with Lux + Enzyme Open

more information needed

EnzymeAD/Enzyme.jl#2110 · 18 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`sum(abs2.(x))` does not work on GPU Open

EnzymeAD/Enzyme.jl#2120 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Documentation about the reverse rule customization needs to be improved Open

EnzymeAD/Enzyme.jl#2132 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme compilation failed due to illegal type analysis - in a case that supposed to work. Open

EnzymeAD/Enzyme.jl#2135 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Small inference test Open

EnzymeAD/Enzyme.jl#2152 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Capitalization in EnzymeCore Open

EnzymeAD/Enzyme.jl#2164 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CUDA atomic operations error on compilation Open

EnzymeAD/Enzyme.jl#2174 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Repeated savepoints on higher order AD Open

EnzymeAD/Enzyme.jl#2180 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Error while computing 2nd order derivatives using Enzyme over ForwardDiff and StaticArrays Open

more information needed

EnzymeAD/Enzyme.jl#2187 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Second order derivative crashes on CUDA GPU Open

EnzymeAD/Enzyme.jl#2189 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`Reverse` mode incorrectly detecting duplicated returns for a type unstable function Open

EnzymeAD/Enzyme.jl#2194 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
autodiff(...) fails with simple product sum including CuArrays and Float64 Open

EnzymeAD/Enzyme.jl#2207 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot store inactive but differentiable variable into active tuple Open

EnzymeAD/Enzyme.jl#2212 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
error when differentiating `reshape` Open

EnzymeAD/Enzyme.jl#2214 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Lux case working with Reactant but not with CUDA Open

EnzymeAD/Enzyme.jl#2244 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Performance of high order derivatives in Enzyme is slower than finite difference Open

EnzymeAD/Enzyme.jl#2252 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Second derivative computation not working for certain functions Open

EnzymeAD/Enzyme.jl#2253 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
BLAS rule for cblas_cdotu_sub64_ Open

EnzymeAD/Enzyme.jl#2259 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Error in differentiating `inv`(matrix) with LAPACK function `getrf!` Open

EnzymeAD/Enzyme.jl#2260 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support for eigen-solvers Open

EnzymeAD/Enzyme.jl#2264 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Using Vector(LinRange(0, Lmax, Lmax+1)) inside a function to be differentiated causes a core dumped error Open

EnzymeAD/Enzyme.jl#2267 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
excessive compile times and failures with GPU Open

more information needed

EnzymeAD/Enzyme.jl#2283 · 6 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
NaN in gradient when branch not taken has Inf shadow Open

EnzymeAD/Enzyme.jl#2285 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

EnzymeAD/Enzyme.jl

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