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SSH IT ZOMBIE
Apr 19, 2003
No more blinkies! Yay!
College Slice
Reddit's LocalLLaMA community isn't the best. I think we can do better on SA.

It is very feasible these days to run inferencing of an AI model locally on consumer grade PCs.

Things you'll need

1) A computer of some sort
I might suggest 16GB of ram, a modern GPU with 8GB of VRAM can help speed the process up.

2) A large language model
I might suggest mistral 7b is a good place to start
https://huggingface.co/mistralai/Mistral-7B-v0.1/tree/main
Grab the safetensors files and all of the config files and json files and place them in a single directory
They also posted torrents on their Twitter

3) Inferencing software
Let's go with koboldcpp - it is a build of llama.cpp + a gui ontop
https://github.com/LostRuins/koboldcpp/releases


4) Python < 3.12
https://www.python.org/downloads/

5) A tool to convert the model to gguf format
https://github.com/ggerganov/llama.cpp/discussions/2948
Follow the section here "Converting the model" - remove the --outtype q8_0 command if you are going to do optional step 5a
You'll need GIT if you don't already have it.
https://git-scm.com/download/win

5a) Optional, but recommended - quantize the model to something other than q8_0 linear
A release of llama.cpp contains a tool quantize.exe
https://github.com/ggerganov/llama.cpp/releases/tag/b2277
You can run it to see options
You can run it like this
G:\AI\llama-b2251-bin-win-avx2-x64\quantize.exe Mistral.gguf Mistral-q4km.gguf 15
Q4M-Q6M are currently common forms of quantization. You can choose to use other options, Q6M is very good but results in a larger file. For all intents and purposes, this performs lossy compression on the model through the mathematical operation of quantization on the weights stored within the model.

q8_0 above is "linear" - all 32 and 16 bit weights are quantized to 8 bit fixed integer weights. It's very compatible but doesn't result in best result for the smallest file.

6) Profit
Run the model with kobold.
Point to the gguf file in "Model" when you open koboldcpp. CUBlas is meant for Nvidia users - modern cards. It'll preopulate sane settings when you load the model, the settings are conservative. CLBlast or Vulkan work for both Nvidia and AMD. OpenBlas is CPU only. There's a version floating somewhere with RocM.

All of these repositories are trusted, I think one of the Llama releases comes up as a false positive in AV, but still EXE's off the internet, use caution.

There's tons of frameworks with exploring, VLLM, PyTorch, Llama, Intel's OpenVino. It's sort of the wild wild west right now.

Performance is all over the place with tooling and Linux vs Windows. I am on Windows on the PC I have done this on.
If you can fit the entire model into your GPU's VRam, especially on Nvidia, that is the most performant option.

I was able to get Smaug 34b and Mixtral 8x7b going on my machine - 32GB ram, Nvidia 3080 - but they were SLOW.

SSH IT ZOMBIE fucked around with this message at 07:55 on Feb 27, 2024

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SSH IT ZOMBIE
Apr 19, 2003
No more blinkies! Yay!
College Slice
Oof. This is Mixtral 8x7b.

Cantide
Jun 13, 2001
Pillbug
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