 | 80% of the benefit of TQ with almost no downsides. Q8 is now ≈ F16 [link] [comments] |
attn-rot (TurboQuant-like KV cache trick) lands in llama.cpp
Reddit r/LocalLLaMA / 4/2/2026
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Key Points
- attn-rot, a TurboQuant-like KV cache optimization, has been integrated into llama.cpp via a referenced pull request.
- The post claims this approach delivers about 80% of TurboQuant’s performance benefits while introducing minimal downsides.
- It also reports a quality impact where Q8 performance is approximately comparable to F16 (as described in the article).
- The update is positioned as a practical efficiency improvement for local LLM inference by reducing KV-cache-related overhead.
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