pull_requests: 17513266

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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
17513266 MDExOlB1bGxSZXF1ZXN0MTc1MTMyNjY= 172 closed 0 {DataArray,Dataset}.indexes no longer creates a new dict 1217238 According to the toy benchmark below, this shaves off between 20% (diff-indexes) to 40% (same-indexes) of xray's overhead for array math: ``` import numpy as np import xray x = np.random.randn(1000, 1000) y = np.random.randn(1000, 1000) dx = xray.DataArray(x) dy = xray.DataArray(y) %timeit x + x # raw-numpy %timeit dx + dx # same-indexes %timeit dx + dy # diff-indexes ``` 2014-06-24T05:10:25Z 2014-06-24T05:34:38Z 2014-06-24T05:34:36Z 2014-06-24T05:34:36Z 17097a127a67c9bd245e83ede8ccfe64475ee887   650893 0 3f0a87b9c2e29670b14a69e352ab5e1f26bc9a95 e0ffca26d30eab1731b6a5d380f2948c5f519dab MEMBER   13221727 https://github.com/pydata/xarray/pull/172  

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