A Comprehensive Study of Main-Memory Partitioning and its Application to Large-Scale Comparison- and Radix-Sort
Summary: Comprehensive study of main-memory partitioning across the memory hierarchy, revisiting in-cache pitfalls and introducing out-of-cache, in-place, and NUMA-aware partitioning variants. Proposes three NUMA-aware sorts—stable LSB radix, in-place MSB radix, and a wide-fanout comparison-sort with a cache-resident range index—achieving fastest billion-scale performance for dense and sparse keys and enabling building other ops (joins, aggregation). (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Orestis Polychroniou (Columbia University)
- 2. Kenneth A. Ross (Columbia University)
BibTeX Citation
@inproceedings{polychroniou_sigmod14,
title = {{A Comprehensive Study of Main-Memory Partitioning and its Application to Large-Scale Comparison- and Radix-Sort}},
author = {Polychroniou, Orestis and Ross, Kenneth A.},
series = {{SIGMOD} '14},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/2588555.2610522},
url = {https://dl.acm.org/doi/10.1145/2588555.2610522},
year = {2014}
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