Track 04: Training, Fine-Tuning & Alignment
How a raw transformer becomes a model that follows instructions and prefers helpful, honest answers over merely statistically likely ones: pretraining, supervised fine-tuning, RLHF and its simpler successors, and the practical techniques (LoRA, QLoRA, quantization) that make fine-tuning affordable on one GPU instead of a datacenter. Ends with the decision that matters most in practice: fine-tune, prompt, or RAG?
Modules
- The Training Pipeline End to End
- Pretraining Data: Collection and Cleaning
- The Pretraining Objective and Loss
- Scaling Laws
- Compute Budgets and Chinchilla Optimality
- Supervised Fine-Tuning (SFT)
- Instruction Tuning
- Building a Fine-Tuning Dataset
- RLHF: Reward Models
- RLHF: PPO and the Training Loop
- DPO and Simpler Alternatives
- Constitutional AI and RLAIF
- LoRA: Low-Rank Adaptation
- QLoRA and Quantized Fine-Tuning
- Running a Real Fine-Tune
- Quantization: INT8, INT4, GGUF
- When to Fine-Tune vs. Prompt vs. RAG
- Capstone Project