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Pull requests: pandas-dev/pandas
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ENH: numexpr on boolean frames Enhancement Performance Memory or execution speed performance
#2925 by jreback was merged Mar 9, 2013 Loading…
PERF: Limit memmove to >= 256 bytes, relax contiguity requirements Performance Memory or execution speed performance
PERF: pd.Index.is_all_dates doesn't require full-scan inference Performance Memory or execution speed performance
PERF: change Series indexing on multi-indexes to use a fast path (GH5567) Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex Performance Memory or execution speed performance
PERF: fix performance for series slices (even more) Performance Memory or execution speed performance
PERF/API: concat improvements API Design Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
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PERF: optimize index.__getitem__ for slice & boolean mask indexers Indexing Related to indexing on series/frames, not to indexes themselves Performance Memory or execution speed performance
BLD: add benchmarks for all single-axis indexers Indexing Related to indexing on series/frames, not to indexes themselves Performance Memory or execution speed performance
PERF: perf improvements in DataFrame construction with a non-daily datelike index (GH6479) Frequency DateOffsets Performance Memory or execution speed performance
PERF: perf improvements in single-dtyped indexing (GH6484) Indexing Related to indexing on series/frames, not to indexes themselves Performance Memory or execution speed performance
Improve performance for custom business days (GH6584) Frequency DateOffsets Performance Memory or execution speed performance
FIX: Bug whereby array_equivalent was not correctly comparing Float64Ind... Dtype Conversions Unexpected or buggy dtype conversions Performance Memory or execution speed performance
ENH: Have inferred_freq set offset. Have freq always try to infer. Frequency DateOffsets Performance Memory or execution speed performance
#6637 by jseabold was closed Mar 14, 2014 Loading…
PERF: Speed up DatetimeConverter by using Matplotlib's epoch2num when possible... Performance Memory or execution speed performance Visualization plotting
PERF: Quick Shift Implementation (GH5609) Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
PERF: #6700 dataframe.from_records: read into list w/ itertools.islice when specifying nrows Performance Memory or execution speed performance
PERF: perf improvements in timedelta conversions from integer dtypes Performance Memory or execution speed performance Timedelta Timedelta data type
Panel shift revert Bug Dtype Conversions Unexpected or buggy dtype conversions Performance Memory or execution speed performance
PERF: improved performance of compatible pickles (GH6899) Performance Memory or execution speed performance
PERF: optimize Index.delete for dtype=object Indexing Related to indexing on series/frames, not to indexes themselves Performance Memory or execution speed performance
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