open source alg_ext #1219
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open source alg_ext #1219
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Pull request overview
This PR open sources the alg_ext (algorithm extension) module, which provides advanced quantization algorithms and extensions for AutoRound. The changes introduce enhanced quantization techniques including support for MXFP, NVFP, and GGUF formats with double quantization capabilities.
Key changes:
- Added new
alg_ext.pymodule with advanced quantization algorithms and wrapper classes - Refactored
base.pyto eliminate duplicated conditional logic by introducing a reusableautocast_ctxcontext manager
Reviewed changes
Copilot reviewed 2 out of 4 changed files in this pull request and generated 6 comments.
| File | Description |
|---|---|
| auto_round/alg_ext.py | New file containing advanced quantization functions, custom wrapper classes (WrapperLinearV2, DQWrapperLinear), and GGUF-specific quantization algorithms |
| auto_round/compressors/base.py | Refactored to use a shared autocast context manager, reducing code duplication in _quantize_layer and _get_loss methods |
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Co-authored-by: Copilot <[email protected]>
…to open_alg_ext
Co-authored-by: Copilot <[email protected]>
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|
@chensuyue there is no need to compile alg_ext in the future |
xin3he
approved these changes
Jan 5, 2026
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xin3he
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xin3he
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It is recommended to add a detailed documentation (README file) about this algorithm.
n1ck-guo
reviewed
Jan 5, 2026
Signed-off-by: n1ck-guo <[email protected]>
n1ck-guo
approved these changes
Jan 6, 2026
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