dmlc/tl2cgen

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TL2cgen (TreeLite 2 C GENerator) is a model compiler for decision tree models

Stars: 55
Forks: 11
Open beginner issues: 0
Indexed issues: 28

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 16, 2025
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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28 open issues indexed

Disable missing value check Open

dmlc/tl2cgen#14 · 4 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Implementing Go API Open

dmlc/tl2cgen#16 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Idea: support WebAssembly via wasmer Open

dmlc/tl2cgen#15 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
TestLightGBMIntegration::test_sparse_categorical_model test fails with MSVC and Apple Clang Open

dmlc/tl2cgen#13 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Zero is treated as missing when loading data from a Pandas dataframe Open

dmlc/tl2cgen#11 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[FEA] Recognize pandas_categorical field in LightGBM model Open

feature request

dmlc/tl2cgen#10 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
predict has a diff with lightgbm when zero_as_missing is True Open

dmlc/tl2cgen#8 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
can "predictor.predict(dmat)" support single sample prediction without transforming into csr_matrix? Open

feature request

dmlc/tl2cgen#2 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
treelite4j: Predictor constructor using`dlopen` not working as expected when model library path does not include a `/` Open

dmlc/tl2cgen#3 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[FEA]Custom generated name Open

dmlc/tl2cgen#4 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Multi-threaded prediction for treelite4j Open

dmlc/tl2cgen#5 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
xgboost output not matching Open

dmlc/tl2cgen#6 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[FEA]Add max_memory_usage param in model.export_lib Open

feature request

dmlc/tl2cgen#7 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
export_lib() is quite slow on Windows Open

dmlc/tl2cgen#24 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature Request] Allow compiling as a static library Open

dmlc/tl2cgen#31 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[FEA] Add extern "C" to generated header, so it can be used from C++ programs Open

dmlc/tl2cgen#33 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Question] Numerical Instability when using double as input Open

dmlc/tl2cgen#34 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
segfault when try to run export_srcpkg example Open

dmlc/tl2cgen#37 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
The annotation_in parameter seems to have no effect? Open

dmlc/tl2cgen#38 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature request] arm64 linux wheels wheels for tl2cgen Open

dmlc/tl2cgen#40 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Fix CI Open

dmlc/tl2cgen#43 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Allows adding a prefix to the functions in the generated C code Open

dmlc/tl2cgen#44 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Need a "tl2cgen-runtime" package to fit into AWS Lambda Open

dmlc/tl2cgen#46 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Hope to have support for converting models to C# or Lua Open

dmlc/tl2cgen#47 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Prediction shape differs between tl2cgen and treelite_runtime Open

dmlc/tl2cgen#48 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Thread safe issue when multiple threads using the same .so file Open

dmlc/tl2cgen#50 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
tl2cgen and treelite version issue Open

dmlc/tl2cgen#51 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 15, 2026
[float32 codegen] Leaf value / base_score literals emitted without `f` suffix, causing double-precision intermediate accumulation and GTIL/SO divergence Open

dmlc/tl2cgen#52 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

dmlc/tl2cgen

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