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Made ColumnVector::replicate() implementation 3x faster#9293

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alexey-milovidov merged 2 commits intomasterfrom
akz/column_vector_replicate_faster
Feb 21, 2020
Merged

Made ColumnVector::replicate() implementation 3x faster#9293
alexey-milovidov merged 2 commits intomasterfrom
akz/column_vector_replicate_faster

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@Akazz Akazz commented Feb 21, 2020

I hereby agree to the terms of the CLA available at: https://yandex.ru/legal/cla/?lang=en

Changelog category (leave one):

  • Performance Improvement

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

A ~3 times faster implementation for ColumnVector::replicate(), via which ColumnConst::convertToFullColumn() is implemented. Also will be useful in tests when materializing constants.

@Akazz Akazz added the pr-performance Pull request with some performance improvements label Feb 21, 2020
@Akazz Akazz changed the title Made ColumnVector::replicate() faster Made ColumnVector::replicate() implementation 3x faster Feb 21, 2020
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pr-performance Pull request with some performance improvements

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