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Nanops numba implementation

numbanumba-accelerated operationsnumba-accelerated operations

Status: Open (in progress).

pandas-dev/pandasnumber 62536

#62536 In pandas-dev/pandas;

· eoincondron opened on Oct 1, 2025

BUG: single column DataFrame df.apply(f, raw=True, engine='numba') failed when f is a non-reduction function

ApplyApply, Aggregate, Transform, MapApply, Aggregate, Transform, Map

Bug

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

numbanumba-accelerated operationsnumba-accelerated operations

Status: Open.

#60297 In pandas-dev/pandas;

· auderson opened on Nov 13, 2024

BUG: Unexpected cast to float for <code>DataFrame.groupby().agg(engine="numba")</code>

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Groupby

numbanumba-accelerated operationsnumba-accelerated operations

Status: Open.

#58869 In pandas-dev/pandas;

· willsthompson opened on May 30, 2024

API: auto-detect when to use numba

API Design

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

numbanumba-accelerated operationsnumba-accelerated operations

PerformanceMemory or execution speed performanceMemory or execution speed performance

Status: Open.

#53239 In pandas-dev/pandas;

· jbrockmendel opened on May 15, 2023

ENH: Support <code>Resampler.mean(engine="numba")</code>

Enhancement

numbanumba-accelerated operationsnumba-accelerated operations

Resampleresample methodresample method

Status: Open.

#48675 In pandas-dev/pandas;

· donghyyun opened on Sep 21, 2022

ENH: Support masked ExtensionTypes when using <code>engine="numba"</code>

Enhancement

NA - MaskedArraysRelated to pd.NA and nullable extension arraysRelated to pd.NA and nullable extension arrays

numbanumba-accelerated operationsnumba-accelerated operations

Status: Open.

#48447 In pandas-dev/pandas;

· mroeschke opened on Sep 7, 2022

BUG: test_table_method_rolling_methods segfault on Mac

Bug

numbanumba-accelerated operationsnumba-accelerated operations

SegfaultNon-Recoverable ErrorNon-Recoverable Error

Status: Open.

#40454 In pandas-dev/pandas;

· jbrockmendel opened on Mar 15, 2021

ENH: Add engine keyword argument to groupby.apply to leverage Numba

ApplyApply, Aggregate, Transform, MapApply, Aggregate, Transform, Map

Enhancement

Groupby

numbanumba-accelerated operationsnumba-accelerated operations

Status: Open.

#31845 In pandas-dev/pandas;

· mroeschke opened on Feb 10, 2020

Dataframe construction from numba typed list

Bug

ConstructorsSeries/DataFrame/Index/pd.array ConstructorsSeries/DataFrame/Index/pd.array Constructors

numbanumba-accelerated operationsnumba-accelerated operations

Status: Open.

#27539 In pandas-dev/pandas;

· leohaim opened on Jul 23, 2019