perf: Optimize clustering and I/O (4.4x faster segmented clustering)#579

Merged

FBumann merged 7 commits intofeature/tsam-v3+reworkfrom

perf/clustering

Jan 17, 2026

Commits on Jan 16, 2026

perf: Use ds.variables to avoid _construct_dataarray overhead

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perf: Optimize clustering serialization with ds.variables

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perf: Use batch assignment for clustering arrays (24x speedup)

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perf: Use ds.variables in _build_reduced_dataset (12% faster)

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perf: Use numpy reshape in _build_typical_das (4.4x faster)

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fix: Multiple clustering and IO bug fixes

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perf: Use ds.variables pattern in expand() (2.2x faster)

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