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[Feature]: Consider integrating SVDquant (W4A4 quantization) from Nunchaku project#1092

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@dengyingxu

馃殌 The feature, motivation and pitch

I noticed the Nunchaku project (https://github.com/mit-han-lab/nunchaku) has implemented SVDquant, which seems highly compatible with LLM scenarios, particularly their W4A4 quantization approach. This looks very interesting and promising for model optimization.

Would Aphrodite Engine consider supporting or integrating this quantization method? It could potentially offer significant benefits for memory efficiency while maintaining model performance in LLM serving scenarios.

The Nunchaku project鈥檚 implementation appears to be well-suited for LLM use cases, and integration could be valuable for the Aphrodite Engine community.

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