Few-shot Bayesian Optimization
The FewShotBayesianOptimizer is a sophisticated prompt optimization tool that combines few-shot learning with Bayesian optimization techniques. It’s designed to iteratively improve prompts by learning from examples and systematically exploring the optimization space.
How It Works
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Initialization
- Takes a dataset of input-output pairs
- Configures optimization parameters
- Sets up evaluation metrics
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Bayesian Optimization
- Uses Gaussian Process to model the optimization space
- Selects promising prompt configurations
- Balances exploration and exploitation
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Few-shot Learning
- Dynamically selects relevant examples
- Adapts to different problem types
- Optimizes example selection
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Evaluation
- Multi-threaded performance testing
- Comprehensive metrics tracking
- Validation against test set
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Refinement
- Iterative improvement based on results
- Adaptive parameter adjustment
- Convergence monitoring
Configuration Options
Basic Configuration
Advanced Configuration
Example Usage
Run optimization
results = optimizer.optimize_prompt( dataset=dataset, num_trials=10, metric_config=metric_config, task_config=task_config )
Access results
results.display()
Model Support
The FewShotBayesianOptimizer supports all models available through LiteLLM. For a complete list of supported models and providers, see the LiteLLM Integration documentation.
Common Providers
- OpenAI (gpt-4, gpt-3.5-turbo, etc.)
- Azure OpenAI
- Anthropic (Claude)
- Google (Gemini)
- Mistral
- Cohere
Configuration Example
Best Practices
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Dataset Preparation
- Minimum 50 examples recommended
- Diverse and representative samples
- Clear input-output pairs
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Parameter Tuning
- Start with default parameters
- Adjust based on problem complexity
- Monitor convergence metrics
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Evaluation Strategy
- Use separate validation set
- Track multiple metrics
- Document optimization history
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Performance Optimization
- Adjust num_threads based on resources
- Balance min_examples and max_examples
- Monitor memory usage
Research and References
- Bayesian Optimization for Hyperparameter Tuning
- Few-shot Learning with Bayesian Optimization
- Gaussian Processes for Machine Learning
Next Steps
- Learn about MiproOptimizer
- Explore Dataset Requirements