this post was submitted on 29 Nov 2023
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LocalLLaMA

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

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Does Dual EPYC work for LLMs? (alien.top)
submitted 11 months ago by EvokerTCG@alien.top to c/localllama@poweruser.forum
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Continuing my quest to choose a rig with lots of memory, one possibility is dual socket MBs. Gen 1 to 3 EPYC chips have 8 channels of DDR4, so this gives 16 total memory channels, which is good bandwidth, if not beating GPUs, but can have way more memory (up to 1024GB). Builds with 64+ threads can be pretty cheap.

My questions are

  • Does the dual CPU setup cause trouble with running LLM software?
  • Is it reasonably possible to get windows and drivers etc working on 'server' architecture?
  • Is there anything else I should consider vs going for a single EPYC or Threadripper Pro?
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[โ€“] flossraptor@alien.top 1 points 11 months ago (1 children)

CPUs don't run LLMs.

[โ€“] EvokerTCG@alien.top 1 points 11 months ago

Not true from what I've read here.