[pull] main from Rust-GPU:main#74
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pull[bot] merged 2 commits intoHaofei:mainfrom Apr 16, 2026
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…r mapping cuDNN 9 restructured cudnnStatus_t into a hierarchical numeric system (2xxx=BAD_PARAM, 3xxx=NOT_SUPPORTED, 4xxx=INTERNAL_ERROR, 5xxx=EXECUTION_FAILED) and removed several codes present in cuDNN 8. Changes: - Add four new CudnnError variants behind #[cfg(cudnn9)]: SublibraryVersionMismatch, SerializationVersionMismatch, Deprecated, SublibraryLoadingFailed - Replace the _ => todo!() wildcard in IntoResult::into_result() with a category-based fallback that maps cuDNN 9 sub-codes (e.g. BAD_PARAM_NULL_POINTER) to their parent category variant using integer division, eliminating the runtime panic entirely - Add wire both new variants in into_raw() for round-trip correctness Verified against cudnn_graph.h from cuDNN 9.20 (anaconda distribution). The cudnn crate itself compiles cleanly; only pre-existing cust bindgen errors prevent a full cargo check -p cudnn from succeeding. Made-with: Cursor
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