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Faster encoding functions. #8565

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merged 4 commits into from
Jan 4, 2024
Merged

Faster encoding functions. #8565

merged 4 commits into from
Jan 4, 2024

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dcherian
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@dcherian dcherian commented Dec 21, 2023 •
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Spotted when profiling some write workloads.

  1. Speeds up the check for multi-index
  2. Speeds up one string encoder by not re-creating variables when not necessary.

@benbovy is there a better way?

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benbovy commented Dec 21, 2023

isinstance(var._data, xarray.core.indexing.PandasMultiIndexingAdapter) should work.

@dcherian dcherian marked this pull request as ready for review December 21, 2023 18:06
@dcherian dcherian changed the title Faster ensure_not_multiindex Faster encoding functions. Dec 21, 2023
kmuehlbauer
kmuehlbauer approved these changes Jan 4, 2024
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Coding part LGTM, 👍

@dcherian dcherian merged commit 5f1f78f into pydata:main Jan 4, 2024
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@dcherian dcherian deleted the optimize-encode-multiindex-check branch January 4, 2024 14:25
dcherian added a commit to dcherian/xarray that referenced this pull request Jan 4, 2024
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Merge remote-tracking branch 'upstream/main' into init-zarr
1498c35 
* upstream/main:
  Faster encoding functions. (pydata#8565)
  ENH: vendor SerializableLock from dask and use as default backend lock, adapt tests (pydata#8571)
  Silence a bunch of CachingFileManager warnings (pydata#8584)
  Bump actions/download-artifact from 3 to 4 (pydata#8556)
  Minimize duplication in `map_blocks` task graph (pydata#8412)
  [pre-commit.ci] pre-commit autoupdate (pydata#8578)
  ignore a `DeprecationWarning` emitted by `seaborn` (pydata#8576)
  Fix mypy type ignore (pydata#8564)
  Support for the new compression arguments. (pydata#7551)
  FIX: reverse index output of bottleneck move_argmax/move_argmin functions (pydata#8552)
@benbovy benbovy mentioned this pull request Jan 26, 2024
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@kmuehlbauer kmuehlbauer kmuehlbauer approved these changes

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@dcherian @benbovy @kmuehlbauer