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Do not use mixed KV cache quantization

Via r/LocalLlama
Saturday, Mar 28, 2026 · 7:50PM
Summary

I've seen a few people in the comments on here and the other AI subs suggest mixing quantization for the KV cache to retain higher accuracy and still saving memory. I was running that for a while until I realized how wrong it is. I wrote a longer blogpost about it, but TL;DR is this benchmark run: m

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