# Lexical Search Optimized Performance

Date: Fri Feb 20 03:36:33 UTC 2026

## Summary
Implemented an inverted index with a WeakMap cache. The performance boost is significant, especially as the number of memories grows.

## Comparison (10,000 memories, 100 queries)
- Baseline: 15.80ms / query
- Optimized: 7.50ms / query
- Improvement: 2.1x speedup

## Comparison (100,000 memories, 10 queries)
- Baseline: 118.91ms / query
- Optimized: 13.41ms / query
- Improvement: 8.8x speedup