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apache / datafusion Public

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Optimize hash partitioning for cache friendliness#15981

Closed

ctsk wants to merge 7 commits intoapache:mainapache/datafusion:mainfrom

ctsk:experiment/repartition-optimizationctsk/datafusion:experiment/repartition-optimizationCopy head branch name to clipboard

Conversation Commits7 (7)Checks Files changed

Closed

Optimize hash partitioning for cache friendliness#15981
ctsk wants to merge 7 commits intoapache:mainfrom
ctsk:experiment/repartition-optimization

Commits

Commits on May 7, 2025

Make repartition more cache-efficient
ctsk
committed
repartition: Share allocation between partition indices
ctsk
committed
repartition: Track time for take kernel
ctsk
committed
repartition: Use counting sort approach for indices
ctsk
committed
repartition: Reuse indices buffer
ctsk
committed
repartition: Avoid modulo with power-of-two partitions
ctsk
committed

Commits on May 12, 2025

Merge branch 'main' into experiment/repartition-optimization
Dandandan
authored

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