Morsel-Driven Parallelism: A NUMA-Aware Query Evaluation Framework for the Many-Core Age
Summary: Introduces morsel-driven parallelism: NUMA-aware, fine-grained tasks that schedule small data morsels to run complete operator pipelines, bypassing plan-driven load balance. Dispatcher maps morsels to NUMA-local workers, enabling elastic parallelism and achieving >30x speedup on 32 cores for TPC-H/SSB. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Viktor Leis (Technical University of Munich)
- 2. Peter Boncz (Centrum Wiskunde & Informatica)
- 3. Alfons Kemper (Technical University of Munich)
- 4. Thomas Neumann (Technical University of Munich)
BibTeX Citation
@inproceedings{leis_sigmod14,
title = {{Morsel-Driven Parallelism: A NUMA-Aware Query Evaluation Framework for the Many-Core Age}},
author = {Leis, Viktor and Boncz, Peter and Kemper, Alfons and Neumann, Thomas},
series = {{SIGMOD} '14},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/2588555.2610507},
url = {https://dl.acm.org/doi/10.1145/2588555.2610507},
year = {2014}
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