peft-fine-tuning

Fine-tune large language models with LoRA and QLoRA adapter methods.

3|Updated Feb 21, 2026
One-click install
npx skills add https://github.com/ihatesea69/HieuNghi-AI-Skills --skill peft-fine-tuning-ihatesea69
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: peft-fine-tuning
Source: https://github.com/ihatesea69/HieuNghi-AI-Skills/tree/main/airesearch_skills/03-fine-tuning/peft
Command: npx skills add https://github.com/ihatesea69/HieuNghi-AI-Skills --skill peft-fine-tuning-ihatesea69

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires peft, transformers, torch, bitsandbytes, datasets, accelerate, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the challenge of fine-tuning large language models (LLMs) on limited hardware by enabling parameter-efficient fine-tuning (PEFT) methods like LoRA and QLoRA.

Core Features & Use Cases

  • Memory Optimization: Fine-tune large models (7B-70B) on consumer GPUs by training a small fraction of parameters.
  • Parameter Efficiency: Achieve significant accuracy with minimal trainable parameters (e.g., <1% for LoRA).
  • Multi-Adapter Serving: Deploy multiple fine-tuned variants from a single base model efficiently.
  • Use Case: You need to adapt a 70B LLM for a specific domain (e.g., legal text analysis) but only have a single 24GB GPU. QLoRA allows you to achieve this with minimal quality loss.

Quick Start

Install the necessary libraries and apply LoRA configuration to a base model for fine-tuning.

Frequently Asked Questions about peft-fine-tuning

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fine-tune a 70B LLM on a single 24GB GPU?▼

You can fine-tune a 70B LLM on a single 24GB GPU using QLoRA, a parameter-efficient method that quantizes the base model and trains less than 1% of parameters, minimizing quality loss. This approach enables adapting large models for specific domains on consumer hardware.

What is parameter-efficient fine-tuning with LoRA?▼

Parameter-efficient fine-tuning with LoRA is a technique that adapts large language models by training a small fraction of parameters, typically less than 1%. It freezes the base model weights and injects trainable adapters, achieving significant accuracy while drastically reducing GPU memory requirements.

Can I deploy multiple fine-tuned LLM variants from a single base model?▼

Yes, you can deploy multiple fine-tuned LLM variants from a single base model using multi-adapter serving strategies. This approach efficiently manages different fine-tuned adapters, allowing you to switch between domain-specific versions without duplicating the entire base model.

Does Huggingface PEFT work with bitsandbytes and accelerate?▼

Yes, Huggingface PEFT works with bitsandbytes and accelerate. The Skill relies on these dependencies alongside transformers, torch, and datasets to enable parameter-efficient fine-tuning, optimize memory usage, and accelerate training across available hardware.

When should I use QLoRA over standard LoRA for LLM adaptation?▼

You should use QLoRA over standard LoRA when GPU memory is highly constrained, such as fine-tuning a 70B parameter LLM on a single 24GB consumer GPU. QLoRA combines quantization with LoRA adapters to maximize memory efficiency while preserving model accuracy.