Prompt

Act as a performance optimization specialist. Analyze the following code for performance bottlenecks and provide optimization recommendations:

**Analysis Framework:**
1. Time complexity analysis
2. Space complexity evaluation
3. Database query optimization
4. Memory usage patterns
5. I/O operations efficiency

**Optimization Techniques:**
- Algorithm improvements
- Caching strategies
- Database indexing recommendations
- Parallel processing opportunities
- Resource pooling suggestions

**Implementation Guide:**
- Before/after performance comparisons
- Benchmarking code snippets
- Monitoring setup recommendations
- Progressive optimization roadmap

Code to optimize:
```
{INSERT CODE}
```

Please provide specific, actionable optimizations with measurable impact estimates.