pull_requests: 574241117

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id node_id number state locked title user body created_at updated_at closed_at merged_at merge_commit_sha assignee milestone draft head base author_association auto_merge repo url merged_by
574241117 MDExOlB1bGxSZXF1ZXN0NTc0MjQxMTE3 4915 closed 0 Better rolling reductions 2448579 <!-- Feel free to remove check-list items aren't relevant to your change --> Implements most of https://github.com/pydata/xarray/issues/4325#issuecomment-716399575 ``` python %load_ext memory_profiler import numpy as np import xarray as xr temp = xr.DataArray(np.zeros((5000, 500)), dims=("x", "y")) roll = temp.rolling(x=10, y=20) %memit roll.sum() %memit roll.reduce(np.sum) %memit roll.reduce(np.nansum) # master branch behaviour ``` ``` peak memory: 245.18 MiB, increment: 81.92 MiB peak memory: 226.09 MiB, increment: 62.69 MiB peak memory: 4493.82 MiB, increment: 4330.43 MiB ``` - [x] xref #4325 - [x] asv benchmarks added - [x] Passes `pre-commit run --all-files` - [x] User visible changes (including notable bug fixes) are documented in `whats-new.rst` 2021-02-16T14:37:49Z 2023-04-13T15:46:18Z 2021-02-19T19:44:04Z 2021-02-19T19:44:04Z 9a4313b4b75c181eade5a61f1a2f053b9d1bb293     0 cea60d11766ab11b4228afd0dcabb4bbb5e8b240 735a3590ea4df70e1e5be729162df2f8774b3879 MEMBER   13221727 https://github.com/pydata/xarray/pull/4915  

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