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Commits on Oct 16, 2019

• ARROW-6876: [C++][Parquet] Use shared_ptr to avoid copying ReaderContext struct, fix performance regression with reading many columns

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  wesm

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  pitrou

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Commits on Sep 12, 2019

• ARROW-4220: [Python] Add buffered IO benchmarks with simulated high latency, allow duck-typed files in input_stream/output_stream

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Commits on Sep 3, 2019

• ARROW-6411: [Python][Parquet] Improve performance of DictEncoder::PutIndices

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Commits on Aug 31, 2019

• ARROW-4398: [C++][Python][Parquet] Improve BYTE_ARRAY PLAIN encoding write performance. Add BYTE_ARRAY write benchmarks

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Commits on Mar 19, 2019

• ARROW-4637: [Python] Conditionally import pandas symbols if they are used. Do not require pandas as a test dependency

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Commits on Mar 13, 2019

• ARROW-1639: [Python] Serialize RangeIndex as metadata via Table.from_pandas instead of converting to a column of integers

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Commits on Feb 15, 2019

• ARROW-4576: [Python] Fix error during benchmarks

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  pitrou

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Commits on Jan 9, 2019

• ARROW-4118: [Python] Fix benchmark setup for "asv run"

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  pitrou

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Commits on Jan 7, 2019

• ARROW-4125: [Python] Don't fail ASV if Plasma extension is not built (e.g. on Windows)

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Commits on Dec 27, 2018

• ARROW-3928: [Python] Deduplicate Python objects when converting binary, string, date, time types to object arrays

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Commits on Dec 14, 2018

• ARROW-4015: [Plasma] remove unused interfaces for plasma manager

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Commits on Aug 27, 2018

• ARROW-3125: [Python] Update ASV instructions

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  pitrou

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Commits on Aug 7, 2018

• ARROW-2992: [Python] Fix Parquet benchmark

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  pitrou

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Commits on Jul 24, 2018

• ARROW-2656: [Python] Improve creation time of ParquetManifest for partitioned datasets using thread pool

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  Robert Gruener

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Commits on Jun 15, 2018

• ARROW-2395: [Python] Fix flake8 warnings outside of pyarrow/ directory. Check in CI

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  wesm

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  xhochy

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Commits on May 14, 2018

• ARROW-2577: [Plasma] Add asv benchmarks for plasma

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Commits on Apr 25, 2018

• ARROW-2074: [Python] Infer lists of dicts as struct arrays

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  pitrou

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Commits on Apr 3, 2018

• ARROW-2357: [Python] Add microbenchmark for PandasObjectIsNull()

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  pitrou

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  xhochy

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Commits on Feb 27, 2018

• ARROW-1035: [Python] Add streaming dataframe reconstruction benchmark

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  pitrou

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Commits on Feb 21, 2018

• ARROW-2121: [Python] Handle object arrays directly in pandas serializer.

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  robertnishihara

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Commits on Feb 8, 2018

• ARROW-2073: [Python] Create struct array from sequence of tuples

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  pitrou

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  xhochy

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Commits on Feb 1, 2018

• ARROW-1861: [Python] Rework benchmark suite [skip ci]

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  pitrou

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  xhochy

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Commits on Jan 8, 2017

• ARROW-438: [C++/Python] Implement zero-data-copy record batch and table concatenation.

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  wesm

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Commits on Apr 1, 2016

• ARROW-89: [Python] Add benchmarks for Arrow<->Pandas conversion

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  xhochy

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  wesm

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Commits on Mar 28, 2016

• ARROW-79: [Python] Add benchmarks

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  xhochy

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  wesm

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