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liguodongiot/llm-action

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TLDR

A Chinese-language engineering guide for training, fine-tuning, and deploying large language models, with tutorials and working code examples.

Mindmap

mindmap
  root((llm-action))
    Training
      Train from scratch
      Fine-tuning LoRA
      Fine-tuning QLoRA
    Inference
      Quantization
      Pruning
      Production frameworks
    Operations
      Model evaluation
      Prompt engineering
      LLMOps workflows
    Infrastructure
      Distributed training
      GPU optimization
      AI accelerators
    Content Format
      Tutorial articles
      Code examples
      Jupyter notebooks

Things people build with this

USE CASE 1

Fine-tune an existing LLM for your domain using LoRA without expensive hardware.

USE CASE 2

Optimize an LLM for production by applying quantization and pruning techniques.

USE CASE 3

Set up distributed training across multiple GPUs to train a custom language model.

USE CASE 4

Learn prompt engineering strategies to get better outputs from LLMs in real applications.

Tech stack

PythonPyTorchTransformersLoRAQLoRA

Getting it running

Difficulty · moderate Time to first run · 1h+

Requires PyTorch and transformers installation; fine-tuning examples likely need GPU access and significant memory.

Use freely for any purpose including commercial. Keep the notice and disclose changes to the patent grant.

In plain English

LLM-Action is a Chinese-language knowledge repository covering the full engineering lifecycle of large language models (LLMs), the technology behind AI systems like ChatGPT. The primary audience is AI engineers and researchers who want practical, hands-on guidance for training, fine-tuning, deploying, and optimizing LLMs. The name reflects its focus on actionable knowledge rather than purely theoretical material. The content is organized into detailed sections. Training covers how to train LLMs from scratch and how to fine-tune (adapt) existing models using techniques like LoRA and QLoRA, methods that let you customize a model's behavior for a specific domain using far less computing power than full retraining. Inference covers frameworks and optimization techniques for running LLMs efficiently in production, including quantization (reducing model size to run on less hardware) and pruning (removing redundant parts of a model). The repository also covers model evaluation, prompt engineering (crafting effective instructions for LLMs), data engineering, distributed training across multiple GPUs, LLMOps (operations and deployment workflows for LLMs), and AI accelerator hardware. Each topic typically includes tutorial articles (hosted on Chinese platforms like Zhihu and CSDN) alongside practical code examples and notebooks. The readme and most content are written in Chinese. An AI engineer or ML researcher who wants battle-tested tutorials with working code for training and serving LLMs on Chinese or international models would use this as a reference. The code examples use Python.

Copy-paste prompts

Prompt 1
Show me how to use LoRA to fine-tune a language model on a custom dataset with minimal GPU memory.
Prompt 2
What quantization techniques from llm-action would reduce my model size for edge deployment?
Prompt 3
How do I set up distributed training across multiple GPUs using the code examples in this repo?
Prompt 4
Walk me through the prompt engineering best practices covered in llm-action for production LLM systems.
Prompt 5
What are the key differences between LoRA and QLoRA fine-tuning approaches in this repository?
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Generated 2026-05-18 · Model: sonnet-4-6 · Verify against the repo before relying on details.