DadgogoAI Dictionary

Dictionary entry

KV cache

noun \ˌkā-ˈvē ˈkash\

also key-value cache

TopicChips & Infrastructure Senses1
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Definition of KV cache

  1. : memory that stores intermediate attention results for text a model has already processed, so it doesn't have to recompute them for every new token

    • Long conversations eat GPU memory because the KV cache keeps growing.
    • Prompt caching is built on top of the KV cache.

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Which of these is the meaning of KV cache?

Related terms

attention a technique that lets a model weigh how relevant every part of the input is to every other… prompt caching reusing the already-processed beginning of a prompt across many requests, which cuts cost and… inference the act of running a trained model to produce an output, such as answering a prompt or… VRAM the memory built into a GPU; how much a model needs largely decides which graphics card can…

Cite this entry

"KV cache." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/kv-cache/. Accessed 4 Oct. 2026.

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