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Fancy isel on LazilyIndexedArray allocates memory of about the size of backing dataset
topic-indexing
topic-performance
#10311
opened May 12, 2025 by
jder
5 tasks done
First invocation of
open_dataset takes 3 seconds due to backend entrypoint discovery being slow
bug
topic-backends
topic-performance
#10178
opened Mar 26, 2025 by
rabernat
5 tasks done
reindex is very slow with small chunksizes
bug
topic-lazy array
topic-performance
#10054
opened Feb 16, 2025 by
Illviljan
5 tasks done
High unmanaged memory using kwargs in apply_ufunc with Dask
bug
topic-dask
topic-performance
#9981
opened Jan 23, 2025 by
abiasiol
Enable zero-copy
to_dataframe
enhancement
topic-pandas-like
topic-performance
#9792
opened Nov 17, 2024 by
rabernat
perf improvement for interp: set
assume_sorted automatically
topic-interpolation
topic-performance
#9758
opened Nov 9, 2024 by
dcherian
Slow open_datatree for zarr stores with many coordinate variables
io
topic-backends
topic-DataTree
Related to the implementation of a DataTree class
topic-performance
topic-zarr
Related to zarr storage library
#9640
opened Oct 17, 2024 by
TomNicholas
Performance of deep DataTrees
contrib-help-wanted
topic-DataTree
Related to the implementation of a DataTree class
topic-internals
topic-performance
#9511
opened Sep 17, 2024 by
TomNicholas
Parallelize map_over_subtree
topic-dask
topic-DataTree
Related to the implementation of a DataTree class
topic-performance
#9502
opened Sep 16, 2024 by
eni-awowale
DataTree.to_zarr() is very slow writing to high latency store
topic-backends
topic-DataTree
#9455
opened Sep 8, 2024 by
slevang
Groupby-map is slow with out of order indices
topic-dask
topic-groupby
topic-performance
#9220
opened Jul 9, 2024 by
mrocklin
opening a zarr dataset taking so much time with dask
topic-dask
topic-performance
topic-zarr
Related to zarr storage library
upstream issue
#8902
opened Apr 2, 2024 by
DarshanSP19
Update benchmark suite for asv 0.6.1
contrib-help-wanted
topic-performance
#8353
opened Oct 20, 2023 by
dcherian
optimize align for scalars at least
topic-indexing
topic-performance
#8350
opened Oct 20, 2023 by
dcherian
Use read1 instead of read to get magic number
io
needs discussion
topic-performance
#7698
opened Mar 29, 2023 by
groutr
Loading…
open_mfdataset very slow
io
topic-documentation
topic-faq
topic-performance
#7697
opened Mar 29, 2023 by
groutr
2 of 4 tasks
Differences in
to_netcdf for dask and numpy backed arrays
topic-backends
topic-performance
#7522
opened Feb 11, 2023 by
slevang
Dataset.where performances regression.
regression
topic-performance
#7516
opened Feb 8, 2023 by
Thomas-Z
4 tasks done
Insertion speed of new dataset elements
topic-documentation
topic-performance
#7224
opened Oct 26, 2022 by
hmaarrfk
interp performance with chunked dimensions
topic-dask
topic-interpolation
topic-performance
#6799
opened Jul 17, 2022 by
slevang
Read/Write performance optimizations for netcdf files
topic-backends
topic-performance
#6309
opened Feb 26, 2022 by
hmaarrfk
[PERFORMANCE]:
isin on CFTimeIndex-backed Coordinate slow
enhancement
topic-cftime
topic-performance
#6230
opened Feb 1, 2022 by
aaronspring
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