this post was submitted on 25 Nov 2023
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Realistically, how far i can push my current PC? (alien.top)
submitted 11 months ago by constanzabestest@alien.top to c/localllama@poweruser.forum
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Title essentially. I'm currently running RTX 3060 with 12GB of VRAM, 32GB RAM and an i5-9600k. Been running 7B and 13B models effortlessly via KoboldCPP(i tend to offload all 35 layers to GPU for 7Bs, and 40 for 13Bs) + SillyTavern for role playing purposes, but slowdown becomes noticeable at higher context with 13Bs(Not too bad so i deal with it). Is this setup capable of running bigger models like 20B or potentially even 34B?

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[–] flurbz@alien.top 1 points 11 months ago (2 children)

My setup has the same amount of VRAM and RAM as yours and I'm running 20B models with tolerable speed, meaning it generates tokens at almost at reading speed. This is using the rocm version of koboldcpp under linux with a Q4_K_M model (I have 5600x and a 6700XT).

Using the settings below, VRAM is maxed out and RAM sits at about 24GB used.

./koboldcpp.py --model ~/AI/LLMS/models/mlewd-remm-l2-chat-20b.Q4_K_M.gguf --threads 5 --contextsize 4096 --usecublas --gpulayers 47 --nommap --usemlock --port 8334

I have no idea how this would perform on windows or with an nvidia card, but good luck.

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

I can run similar models on my phone at reading speeds (i am illiterate)

[–] FullOf_Bad_Ideas@alien.top 1 points 11 months ago (1 children)

Isn't cublas specific to Nvidia cards and clBLAST compatible with both Nvidia and AMD? I am not sure how cublas could work with AMD cards, ROCm?

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

You're right, this shouldn't work. But for some strange reason, using --usecublas loads the hipblas library:

Welcome to KoboldCpp - Version 1.49.yr1-ROCm
Attempting to use hipBLAS library for faster prompt ingestion. A compatible AMD GPU will be required.
Initializing dynamic library: koboldcpp_hipblas.so

I have no idea why this works but it does and since the 6700XT took quite a bit of effort to get going, i'm keeping it this way.