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OptiRS is the Pure Rust ML optimizer suite — 22 optimizers across 7 crates — built on SciRS2. 0.3.1 is a maintenance patch: version sync across every crate's doc comments, a new optirs-wasm README, and fixed stale version strings. Honest housekeeping on top of 0.3.0.
Production-grade machine learning optimization library with 22 optimizers (SGD→K-FAC), SIMD 2–4×, parallel 4–8×, GPU 10–50× acceleration. 251K+ SLoC, 7 crates, 1,220+ tests. Full extension of SciRS2-Core — no external deps allowed. The sovereign optimizer layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M SLoC total).
OptiRS is the Pure Rust ML optimizer suite (19 optimizers) built exclusively on SciRS2-Core. The 0.2.0 release relicenses to Apache-2.0 only and upgrades to SciRS2 v0.2.0 across every crate — fully backward compatible, with no API changes and no breaking changes. A one-line dependency bump.
OptiRS is the Pure Rust ML optimization layer for the COOLJAPAN stack — the torch.optim / optax replacement built exclusively on SciRS2-Core. The 0.1.0 first stable release ships 19 optimizers, SIMD acceleration (2-4x), parallel parameter groups (4-8x), 1,134 passing tests, and zero clippy warnings.