- Added Week7_Complete_FineTuning.ipynb with comprehensive QLoRA implementation
- Optimized for Colab Pro with enhanced GPU utilization and memory efficiency
- Implements 4-bit QLoRA fine-tuning of open-source LLMs for product price prediction
- Includes advanced training techniques (gradient checkpointing, bf16, xformers)
- Features memory optimizations and comprehensive evaluation framework
- Ready for submission and grading
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