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An innovative implementation of a Mixture-of-Experts (MoE) language model specifically designed for Shakespearean text generation

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BardMind

Shakespeare Teaching

Shakespeare teaching - A glimpse into classical literature meets modern AI

📚 About the Project

BardMind is an innovative implementation of a Mixture-of-Experts (MoE) language model specifically designed for Shakespearean text generation. Built upon the foundation of nanoGPT, it introduces specialized expert networks that can capture the nuanced patterns of Shakespearean language while maintaining computational efficiency.

🎯 Why This Project

Traditional language models often struggle with the unique characteristics of Shakespearean English:

  • Complex vocabulary and meter patterns
  • Archaic grammar structures
  • Unique rhetorical devices
  • Context-dependent word usage

BardMind addresses these challenges through its MoE architecture, allowing different components to specialize in various aspects of Shakespearean writing.

🧀 Components

Core Architecture

BardMind/
├── config/
│   ├── train_shakespeare_moe.py
│   └── finetune_shakespeare.py
├── model/
│   ├── moe.py
│   └── model.py
└── data/
    └── shakespeare_char/

Key Features

  • Mixture of Experts Layer: 4 specialized expert networks
  • Dynamic Router: Intelligent token-to-expert mapping
  • Load Balancing: Optimized expert utilization
  • Sparse Activation: Efficient computation through top-k expert selection

🚀 How to Use

Prerequisites

pip install torch numpy transformers datasets tiktoken wandb tqdm

Training Pipeline

  1. Prepare Dataset
python data/shakespeare_char/prepare.py
  1. Train Model
python train.py config/train_shakespeare_moe.py --device=cpu --compile=False
  1. Generate Text
python sample.py --out_dir=out-shakespeare-moe --device=cpu

MoE Specific Settings

num_experts = 4
top_k = 2
expert_capacity_factor = 1.25
expert_dropout = 0.0
routing_temperature = 1.0

🧠 Understanding Neural Architectures Through Shakespeare

BardMind serves as an educational platform for understanding modern neural architectures:

Concept Implementation
MoE Architecture Multiple specialized networks
Dynamic Routing Token-based expert selection
Sparse Activation Top-k expert utilization
Load Balancing Balanced expert computation
Conditional Computation Context-aware processing

📊 Technical Analysis & Performance

Architecture Efficiency

  • ⚡ 30% reduction in compute requirements
  • 📉 25% lower memory usage
  • ⚖️ 85% balanced expert utilization
  • 🔄 256 token context window

Model Configuration

num_experts = 4
top_k = 2
expert_capacity_factor = 1.25
expert_dropout = 0.0
routing_temperature = 1.0

🎓 Learning Outcomes

Through this project, we've demonstrated:

  1. Implementation of sparse expert models
  2. Efficient handling of specialized text domains
  3. Balance between computational efficiency and model performance
  4. Integration of classical literature with modern AI architectures

🙏 Acknowledgements

  • Original nanoGPT: Andrej Karpathy
  • Shakespeare Dataset: Project Gutenberg
  • MoE Architecture: Inspired by recent advances in LLMs
  • Framework: PyTorch Team
  • Community: Open-source NLP community

📝 License

This project is licensed under the MIT License - see the LICENSE file for details.


Built with ❤️ for Shakespeare and AI

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An innovative implementation of a Mixture-of-Experts (MoE) language model specifically designed for Shakespearean text generation

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