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The article describes optimizations to the `gearhash` Rust crate, adding a NEON backend that doubles performance on ARM64 architectures, improving content-defined chunking for applications like Hugging Face's Xet client.
Neon and Castform team up to show how RL post-trained open-weights models combined with Lakebase Search can beat frontier models like GPT-5.6 Sol on retrieval tasks at 100x lower cost and latency.