40 GB to 6.7 GB: The 3-Bit Trick That Shrinks Your KV Cache 6x
This story is from 2026-10-22. It is preserved in the archive; the latest stories are on the live feed.
Your LLM doesn't reread the conversation every time it generates a word. It keeps notes — a key and a value vector for every token it has ever seen in this session — so each new token only needs one pass of attention over those notes. Those notes are the KV cache , and they are the single most expe…
Read the full story at DEV Community — Machine Learning ↗
Timeline · 1 report
- 2026-10-22 16:01 · DEV Community — Machine Learning
40 GB to 6.7 GB: The 3-Bit Trick That Shrinks Your KV Cache 6x