deepthishivani / search-engine Star 0 Code Issues Pull requests High-throughput concurrent Java search engine with BM25 scoring, primitive array-backed inverted index, StampedLock optimization, and zero-GC memory-mapped ingestion. Achieves sub-millisecond query latency and stable heap under concurrent read/write load. java search-engine information-retrieval concurrency inverted-index dsa performance-optimization stamped-lock memory-mapped-io bm25-scoring Updated Jul 8, 2026 Java