LocalLLaMA

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Community to discuss about Llama, the family of large language models created by Meta AI.

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Relationship of RAM to context size? (alien.top)

submitted 9 months ago by EvokerTCG@alien.top to c/localllama@poweruser.forum

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I understand that a bigger memory means you can run a model with more parameters or less compression, but how does context size factor in? I believe it's possible to increase the context size, and that this will increase the initial processing before the model starts outputting tokens, but does someone have numbers?

Is memory for context independent on the model size, or does a bigger model mean that each bit of extra context 'costs' more memory?

I'm considering an M2 ultra for the large memory and low energy/token, although the speed is behind RTX cards. Is this the best option for tasks like writing novels, where quality and comprehension of lots of text beats speed?

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[–] FullOf_Bad_Ideas@alien.top 1 points 9 months ago

yeah, it will be a sum of tokens that the next token is generated on. I don't know how often KV cache is updated.