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

Reverse Jacobian on StaticArrays Open

EnzymeAD/Enzyme.jl#2286 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Problems with mapreduce(...) Open

more information needed

EnzymeAD/Enzyme.jl#2287 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`autodiff` call runs fine with `CPU` backend but hangs with `CUDABackend` Open

EnzymeAD/Enzyme.jl#2293 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Method Error: no method matching MixedDuplicated for Oceananigans run with CATKE Open

EnzymeAD/Enzyme.jl#2296 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Hessian on Lux MLP fails Open

EnzymeAD/Enzyme.jl#2305 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme Issue with Sparse Complex Linear Solver (Left Divide) Open

EnzymeAD/Enzyme.jl#2319 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
'autodiff_deferred' fails with ERROR_ILLEGAL_ADDRESS for large `n` on CUDA kernel Open

EnzymeAD/Enzyme.jl#2324 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Problem with a `Const` named tuple of `Arrays` Open

EnzymeAD/Enzyme.jl#2326 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme with Oceananigans simulation produces a stack overflow Open

EnzymeAD/Enzyme.jl#2334 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme compilation failed due to an internal error Open

more information needed

EnzymeAD/Enzyme.jl#2343 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Strange behavior of `Const` annotation Open

EnzymeAD/Enzyme.jl#2344 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme Mutability Error: Cannot add one in place to immutable value 2.0 for dictonary case Open

EnzymeAD/Enzyme.jl#2346 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Using fallback BLAS replacements for `cblas_zdotc_sub64_` and `dznrm2_64_` Open

EnzymeAD/Enzyme.jl#2349 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`gradient(Forward, )` for multi-args and mutating functions is wrong Open

bug correctness

EnzymeAD/Enzyme.jl#2354 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
GPUCompiler.can_safepoint breaks Julia 1.11 CI Open

Julia v1.11

EnzymeAD/Enzyme.jl#2372 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
`ERROR: Constant memory is stored (or returned) to a differentiable variable` when using `eachindex` inside comprehension Open

EnzymeAD/Enzyme.jl#2386 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
`Warning: TODO forward zero-set of memorycopy used memset rather than runtime type` Open

EnzymeAD/Enzyme.jl#2401 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
LinearAlgebra.eigen isn't differentiable Open

EnzymeAD/Enzyme.jl#2435 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
freeing without malloc Open

EnzymeAD/Enzyme.jl#2444 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
External C Libraries and Runtime Dynamic Linking `dlopen` Not Picked Up by Enzyme Open

EnzymeAD/Enzyme.jl#2452 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
"Strong zero" in forward mode Open

EnzymeAD/Enzyme.jl#2453 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`gradient` produces incorrect result on GPU Open

EnzymeAD/Enzyme.jl#2456 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme crashes when differentiating nested Turing model inference calls Open

EnzymeAD/Enzyme.jl#2464 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Handle `@allowscalar` Open

upstream

EnzymeAD/Enzyme.jl#2468 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Reverse autodiff with models from GraphNeuralNetworks.jl result in "AssertionError: alwaysinline mustprogress" Open

more information needed

EnzymeAD/Enzyme.jl#2472 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Ideal-scaling Jacobian calculation for curve fitting applications Open

EnzymeAD/Enzyme.jl#2474 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Autodiff fails with an internal hash Open

EnzymeAD/Enzyme.jl#2476 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Error when differentiating PyCall in a Turing model Open

EnzymeAD/Enzyme.jl#2481 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`remake_zero!` allocates a lot and can be a performance bottleneck Open

priority

EnzymeAD/Enzyme.jl#2489 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Using Enzyme with OhMyThreads can lead to silent errors Open

EnzymeAD/Enzyme.jl#2490 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Incorrect derivatives for log-exp functions Open

EnzymeAD/Enzyme.jl#2496 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Incorrect gradient (always zero) for `LinearAlgebra.norm` on CUDA arrays Open

EnzymeAD/Enzyme.jl#2500 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Lux/Enzyme problems trying to implement sparsemax Open

more information needed

EnzymeAD/Enzyme.jl#2503 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Wrong gradient of a `cfunc` decorated Numba function Open

EnzymeAD/Enzyme.jl#2505 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
BoundsError Open

EnzymeAD/Enzyme.jl#2508 · 3 comments · 1 reaction · 1 assignee · Indexed Sep 15, 2026
Calling convention mismatch with imported chainrule Open

EnzymeAD/Enzyme.jl#2513 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
"Weak" Const activity annotation Open

EnzymeAD/Enzyme.jl#2526 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Crash when Forward over Reverse with Nested Mutating Loops Open

more information needed

EnzymeAD/Enzyme.jl#2542 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Issue with nested call of `jacobian()` Open

EnzymeAD/Enzyme.jl#2548 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Misinterpreted dotted assignment Open

more information needed

EnzymeAD/Enzyme.jl#2553 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Safeguard against runtime activity aliasing inside higher-level operators Open

EnzymeAD/Enzyme.jl#2557 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
1.11 + aliasing Open

broadcasting Julia v1.11

EnzymeAD/Enzyme.jl#2562 · 0 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
AD for sparse matrix in DJUICE Open

DJ4EARTH

EnzymeAD/Enzyme.jl#2565 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Provide `is_pointerlike(x)` and `are_aliased(x, y)` to use for runtime activity Open

EnzymeAD/Enzyme.jl#2587 · 14 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Performance Open

EnzymeAD/Enzyme.jl#2603 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
cannot handle blas argument within trmv Open

EnzymeAD/Enzyme.jl#2618 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Specialfunctions tests on Windows Open

windows

EnzymeAD/Enzyme.jl#2620 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
"broken gc calling conv fix" for custom rule Open

EnzymeAD/Enzyme.jl#2638 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Slowdown when starting Julia with threads even we do not use them Open

EnzymeAD/Enzyme.jl#2652 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Access to undefined reference Open

EnzymeAD/Enzyme.jl#2667 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

EnzymeAD/Enzyme.jl

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