this post was submitted on 27 Nov 2023
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LocalLLaMA

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Quantizing 70b models to 4-bit, how much does performance degrade? (alien.top)
submitted 11 months ago by ae_dataviz@alien.top to c/localllama@poweruser.forum
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The title, pretty much.

I'm wondering whether a 70b model quantized to 4bit would perform better than a 7b/13b/34b model at fp16. Would be great to get some insights from the community.

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[–] daHaus@alien.top 1 points 11 months ago

This seems like something that would be difficult to predict considering how fundamental what your changing is. The method you use to quantize it and how refined it is also matters a great deal.