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docs: Rust rewrite assessment + forecast parity spike
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spikes/rust-forecast ports build_features (P.1 path) and HistGradientBoosting
inference to Rust and checks them against the pandas/sklearn output on two
fixtures (2024 record flood, summer 2026): 244,800 feature cells and every
regression prediction bit-identical, classifier heads to the last ulp;
0.25 ms vs 158 ms per station. docs/RUST_REWRITE.md: what a rewrite would
mean (Rust service, Python training), costs, phased plan, Python alternative.
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grabowski committed 2026-10-17 21:53:05 +07:00
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