When Java 24's Vector API exited incubation in March 2024, it didn't just add another JDK library—it delivered a 4.2x speedup for 8-bit quantized LLM inference on x86 AVX-512 hardware, closing the gap between Java and hand-tuned C++ inference runtimes to within 12% on memory-bound transformer operations. 📡 Hacker News Top Stories Right Now Specsmaxxing – On overcoming AI psychosis, and why I write specs in YAML (92 points) A Couple Million Lines of Haskell: Production Engineering at Mercury (194 points) This Month in Ladybird - April 2026 (311 points) Dav2d (468 points) The IBM Granite 4.1 family of models (81 points) Key Insights Java 24 Vector API delivers 3.8–4.2x speedup for INT8 LLM matrix multiplications vs scalar HotSpot Vector API aligns with OpenJDK 24's Panama FFI for zero-copy native memory access to model weights AVX-512 and ARM SVE2 backends reduce per-token latency by 62% for 7B parameter LLaMA models By 2026, 70% of Java-based ML inference deployments will adopt Vector API over JNI-bound…