Stop Wasting Tokens: High-Performance Local Re-ranking with Spring AI and JEP 489
Stop Wasting Tokens: High-Performance Local Re-ranking with Spring AI and JEP 489 RAG latency is killing your UX because you’re still piping re-ranking tasks to overpriced LLM APIs. In 2026, if you aren’t running SIMD-accelerated Cross-Encoders locally on your JVM to prune your context window, you’re burning money and adding 500ms of unnecessary overhead. Why Most Developers Get This Wrong API Hopping: Sending 50 retrieved chunks back to a remote LLM for "ranking" is a performan...
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