Optimize padding for coarsening.#10921
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dcherian merged 3 commits intopydata:mainfrom Nov 14, 2025
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Pad once instead of repeatedly in serial for every dimension being coarsened. ``` | Before [6a7a11b] <main> | After [873f7ce6] | Ratio | Benchmark (Parameter) | |----------------------------|------------------|---------|----------------------------------------------| | 856M | 727M | 0.85 | coarsen.Coarsen.peakmem_coarsen_with_padding | | 59.7±1ms | 49.9±0.4ms | 0.84 | coarsen.Coarsen.time_coarsen_with_padding | | 729M | 597M | 0.82 | coarsen.Coarsen.peakmem_coarsen_no_padding | | 55.2±0.4ms | 39.5±0.1ms | 0.71 | coarsen.Coarsen.time_coarsen_no_padding | ``` Co-authored-by: Claude <noreply@anthropic.com>
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TomNicholas
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Co-authored-by: Claude <noreply@anthropic.com>
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* support combine_nested on DataTree objects * make mypy happy * Rewrite test_iso8601_decode to work without cftime (#10914) * Rewrite test_iso8601_decode to work without cftime Closes #10907 Co-Authored-By: Claude <noreply@anthropic.com> * silence warning --------- Co-authored-by: Claude <noreply@anthropic.com> * DOC: Correct minor grammar issues (#10915) * skip ci based on a label (#10918) * skip ci based on a label * retrigger ci * Optimize padding for coarsening. (#10921) Co-authored-by: Claude <noreply@anthropic.com> * release v2025.11.0 (#10917) * choose the right version number * formatting * move a breaking change entry to the right section * remove the deprecations section * missing entry * remove the empty internals section * another missing entry * more missing entries * remove empty line * bad merge * remove the empty documentation section * newline * use the old style of setting release dates * set the release date * formatting * back to bold * release summary * new release section (#10926) * new release section * [skip-ci] * update whats-new * removed redundant whatsnew --------- Co-authored-by: Deepak Cherian <dcherian@users.noreply.github.com> Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: Christine P. Chai <star1327p@gmail.com> Co-authored-by: Justus Magin <keewis@users.noreply.github.com>
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Disclaimer Used Claude to generate the benchmark
Pad once instead of repeatedly in serial for every dimension being coarsened.
whats-new.rstapi.rst