Dspy Miprov2 Optimizer

pip install -U "dspy[optuna]>=3.2.1,<3.3"

import dspy
from dspy.teleprompt import MIPROv2

lm = dspy.LM('openai/gpt-4o-mini')
dspy.configure(lm=lm)

class RAGAgent(dspy.Module):
    def __init__(self):
        self.retrieve = dspy.Retrieve(k=3)
        self.generate = dspy.ChainOfThought("context, question -> answer")
    
    def forward(self, question):
        context = self.retrieve(question).passages
        return self.generate(context=context, question=question)

from dspy.teleprompt import MIPROv2

optimizer = MIPROv2(
    metric=dspy.evaluate.answer_exact_match,
    auto="medium",  # Balanced optimization
    num_threads=24
)

compiled = optimizer.compile(RAGAgent(), trainset=trainset)

import dspy
from dspy.teleprompt import MIPROv2
from dspy.evaluate import Evaluate
import json
import logging

logger = logging.getLogger(__name__)

class ReActAgent(dspy.Module):
    def __init__(self, tools):
        self.react = dspy.ReAct("question -> answer", tools=tools)
    
    def forward(self, question):
        return self.react(question=question)

def search_tool(query: str) -> list[str]:
    """Search knowledge base."""
    results = dspy.ColBERTv2(url='http://20.102.90.50:2017/wiki17_abstracts')(query, k=3)
    return [r['long_text'] for r in results]

def optimize_agent(trainset, devset):
    """Full MIPROv2 optimization pipeline."""
    
    agent = ReActAgent(tools=[search_tool])
    
    # Baseline evaluation
    evaluator = Evaluate(
        devset=devset,
        metric=dspy.evaluate.answer_exact_match,
        num_threads=8
    )
    baseline = evaluator(agent)
    logger.info(f"Baseline: {baseline:.2%}")
    
    # MIPROv2 optimization
    optimizer = MIPROv2(
        metric=dspy.evaluate.answer_exact_match,
        auto="medium",
        num_threads=24,
        # Custom settings
        num_candidates=15,
        max_bootstrapped_demos=4,
        max_labeled_demos=8
    )
    
    compiled = optimizer.compile(agent, trainset=trainset)
    optimized = evaluator(compiled)
    logger.info(f"Optimized: {optimized:.2%}")
    
    # Save with metadata
    compiled.save("agent_mipro.json")
    
    metadata = {
        "baseline_score": baseline,
        "optimized_score": optimized,
        "improvement": optimized - baseline,
        "num_train": len(trainset),
        "num_dev": len(devset)
    }
    
    with open("optimization_metadata.json", "w") as f:
        json.dump(metadata, f, indent=2)
    
    return compiled, metadata

from dspy.teleprompt import MIPROv2

# Disable demos for pure instruction optimization
optimizer = MIPROv2(
    metric=metric,
    auto="medium",
    max_bootstrapped_demos=0,
    max_labeled_demos=0
)