I've started to work on reimplementation of the library here: FastTensors
Please star it if you'd like to see GGML-compatible implementation in pure Go.
Looking for LLM Debug and Inference with Golang?Please check out my related project Booster
We dream of a world where fellow ML hackers are grokking REALLY BIG GPT models in their homelabs without having GPU clusters consuming a shit tons of $$$.
The code of the project is based on the legendary ggml.cpp framework of Georgi Gerganov written in C++ with the same attitude to performance and elegance.
We hope using Golang instead of soo-powerful but too-low-level language will allow much greater adoption.
First, obtain and convert original LLaMA models on your own, or just download ready-to-rock ones:
LLaMA-7B: llama-7b-fp32.bin
LLaMA-13B: llama-13b-fp32.bin
Both models store FP32 weights, so you'll needs at least 32Gb of RAM (not VRAM or GPU RAM) for LLaMA-7B. Double to 64Gb for LLaMA-13B.
Next, build app binary from sources (see instructions below), or just download already built one:
Windows: llama-go-v1.4.0.exe
MacOS: llama-go-v1.4.0-macos
Linux: llama-go-v1.4.0-linux
So now you have both executable and model, go try it for yourself:
llama-go-v1.4.0-macos \
--model ~/models/llama-7b-fp32.bin \
--prompt "Why Golang is so popular?" \ Useful command line flags:
--prompt Text prompt from user to feed the model input --model Path and file name of converted .bin LLaMA model [ llama-7b-fp32.bin, etc ] --server Start in Server Mode acting as REST API endpoint --host Host to allow requests from in Server Mode [ localhost by default ] --port Port listen to in Server Mode [ 8080 by default ] --pods Maximum pods or units of parallel execution allowed in Server Mode [ 1 by default ] --threads Adjust to the number of CPU cores you want to use [ all cores by default ] --context Context size in tokens [ 1024 by default ] --predict Number of tokens to predict [ 512 by default ] --temp Model temperature hyper parameter [ 0.5 by default ] --silent Hide welcome logo and other output [ shown by default ] --chat Chat with user in interactive mode instead of compute over static prompt --profile Profe CPU performance while running and store results to cpu.pprof file --avx Enable x64 AVX2 optimizations for Intel and AMD machines --neon Enable ARM NEON optimizations for Apple Macs and ARM server
LLaMA.go embeds standalone HTTP server exposing REST API. To enable it, run app with special flags:
llama-go-v1.4.0-macos \
--model ~/models/llama-7b-fp32.bin \
--server \
--host 127.0.0.1 \
--port 8080 \
--pods 4 \
--threads 4
Depending on the model size, how many CPU cores available there, how many requests you want to process in parallel, how fast you'd like to get answers, choose pods and threads parameters wisely.
Pods is a number of inference instances that might run in parallel.
Threads parameter sets how many cores will be used for tensor math within a pod.
So for example if you have machine with 16 hardware cores capable running 32 hyper-threads in parallel, you might end up with something like that:
--server --pods 4 --threads 8
When there is no free pod to handle arriving request, it will be placed into the waiting queue and started when some pod gets job finished.
Send POST request (with Postman) to your server address with JSON containing unique UUID v4 and prompt:
{
"id": "5fb8ebd0-e0c9-4759-8f7d-35590f6c9fc3",
"prompt": "Why Golang is so popular?"
}
Send GET request (with Postman or browser) to URL like http://host:port/jobs/status/:id
GET http://localhost:8080/jobs/status/5fb8ebd0-e0c9-4759-8f7d-35590f6c9fcb
Send GET request (with Postman or browser) to URL like http://host:port/jobs/:id
GET http://localhost:8080/jobs/5fb8ebd0-e0c9-4759-8f7d-35590f6c9fcb
First, install Golang and git (you'll need to download installers in case of Windows).
brew install git brew install golang
Then clone the repo and enter the project folder:
git clone https://github.com/gotzmann/llama.go.git
cd llama.go
Some Go magic to install external dependencies:
go mod tidy
go mod vendor
Now we are ready to build the binary from the source code:
go build -o llama-go-v1.exe -ldflags "-s -w" main.go
1) From where I might obtain original LLaMA models?
Contact Meta directly or just look around for some torrent alternatives.
2) How to convert original LLaMA files into supported format?
Place original PyTorch FP16 files into models directory, then convert with command:
python3 ./scripts/convert.py ~/models/LLaMA/7B/ 0
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