How a 60% speedup on Lucene vector search came from the CPU, not the algorithm

At OpenSearchCon Europe 2026, Amazon’s Shubham Chaudhary shared how bypassing Java’s JVM limitations to implement native SIMD architecture achieved a 60% reduction in Lucene vector search latency. The post How a 60% speedup on Lucene vector search came from the CPU, not the algorithm appeared first on OpenSearch .