EnzymeAD/Enzyme

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High-performance automatic differentiation of LLVM and MLIR.

Stars: 1.7k
Forks: 188
Open beginner issues: 0
Indexed issues: 209
Avg merge: 2d 4h
Merged PRs (30d): 22

Dominant language: LLVM
License: No license data
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Open All

209 open issues indexed

Handle use of a better calling convention for combined forward/reverse Open

EnzymeAD/Enzyme#28 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Activity Analysis handling of globals needs improvement Open

EnzymeAD/Enzyme#60 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feasibility of combining Numba and Enzyme Open

EnzymeAD/Enzyme#71 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Documentation / Tutorial for integrating Enzyme into a Frontend Open

EnzymeAD/Enzyme#72 · 2 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Compilation hangs (mk ii) : Matrix edition Open

EnzymeAD/Enzyme#142 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Integer type support Open

EnzymeAD/Enzyme#158 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add compile time regression tests Open

good first issue

EnzymeAD/Enzyme#214 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Compilation Fails for Posit numbers Open

EnzymeAD/Enzyme#253 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Compilation Failure : "could not deduce type of integer" Open

EnzymeAD/Enzyme#264 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Excessive Caching in neural network mk2 Open

EnzymeAD/Enzyme#278 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme introduces additional runtime overhead on function calls and for loops Open

EnzymeAD/Enzyme#377 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Integration tests fail on ubuntu 20.04 aarch64 Open

bug reverse mode

EnzymeAD/Enzyme#379 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Attributor adds infinite alignment in intermediate function Open

bug

EnzymeAD/Enzyme#401 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add a timer to detect compile time issues Open

good first issue

EnzymeAD/Enzyme#452 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Cache and unique typetree Open

enhancement good first issue

EnzymeAD/Enzyme#474 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Code coverage for tests Open

good first issue

EnzymeAD/Enzyme#508 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support differentiating through CUDA host code Open

meeting notes

EnzymeAD/Enzyme#535 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add more CUDA test cases from cuda-samples Open

good first issue meeting notes

EnzymeAD/Enzyme#536 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for Thread Building Blocks Open

meeting notes

EnzymeAD/Enzyme#537 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add Jacobian mode Open

good first issue meeting notes

EnzymeAD/Enzyme#562 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Add support for soft float Open

good first issue

EnzymeAD/Enzyme#567 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Forward Split Mode] Free internal caches Open

enhancement forward split mode

EnzymeAD/Enzyme#573 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Poision Propagation [LLVM upstream bug] Open

LLVM Upstream Bug

EnzymeAD/Enzyme#592 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Handle Mixed Active/Duplicated Return Open

EnzymeAD/Enzyme#597 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add Unknown/NoShadow activity Open

EnzymeAD/Enzyme#605 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How to pass pointer to class member function to enzyme? Open

EnzymeAD/Enzyme#635 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Segfault using pybind datatypes Open

type analysis

EnzymeAD/Enzyme#638 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
`No reverse pass found for function` error in multi file program Open

EnzymeAD/Enzyme#648 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`freeing without malloc i32* %1` error if class contains `vector` Open

EnzymeAD/Enzyme#650 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enable LLVM Assertions for CI Open

CI

EnzymeAD/Enzyme#714 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Custom tape allocator support Open

enhancement meeting notes

EnzymeAD/Enzyme#745 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Hand ADBench test fails silently due to segfault Open

bug CI regression

EnzymeAD/Enzyme#771 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enzyme Linker plugin doesn't recognize the custom gradient. Open

EnzymeAD/Enzyme#791 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Failure in compilation Open

type analysis

EnzymeAD/Enzyme#832 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Collect all string constants inside of enums Open

good first issue

EnzymeAD/Enzyme#839 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Convert Type Tree to Trie Open

type analysis

EnzymeAD/Enzyme#847 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Unknown type for libm (__mulsc3) Open

EnzymeAD/Enzyme#856 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CUDA: Zero shmem_shadow from multiple lane Open

EnzymeAD/Enzyme#876 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Trivial program using `std::stack` fails to compile in reasonable time Open

type analysis

EnzymeAD/Enzyme#940 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Additional benchmark targets (Clad)? Open

EnzymeAD/Enzyme#961 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Track the number of cached/recomputed values using the LLVM statistics macro Open

good first issue

EnzymeAD/Enzyme#962 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
MemTransfer ignores runtimeActivity Open

EnzymeAD/Enzyme#1017 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Handle more MPI functions Open

enhancement

EnzymeAD/Enzyme#1067 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
TA fails with Performed illegal updateAnalysis Open

bug type analysis

EnzymeAD/Enzyme#1068 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CUDA: Getting zero gradients Open

bug

EnzymeAD/Enzyme#1098 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add C Hessian example Open

EnzymeAD/Enzyme#1123 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add freeze to fmul and other instruction rules Open

EnzymeAD/Enzyme#1128 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for IFX RTL Memory Management Functions Open

EnzymeAD/Enzyme#1155 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Use of statement expression in tblgen generated code Open

EnzymeAD/Enzyme#1209 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add .clang-format and corresponding CI pass to check code format Open

EnzymeAD/Enzyme#1211 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026

EnzymeAD/Enzyme

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