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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)

Paper ID
4878
Venue
SIGMOD
Year
2014
Pagerank
0.00023729211
Overall Rank
418 | 97.10%
DOI
10.1145/2588555.2610507

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Incoming Citations (Sorted by Pagerank)

Showing 23 of 123 citing papers.

Rank Citing Paper Year Venue Pagerank
9,884 SQL Engines Excel at the Execution of Imperative Programs 2024 VLDB 4.2635782e-05
9,901 AnyBlox: A Framework for Self-Decoding Datasets 2025 VLDB 4.258022e-05
9,944 Out-of-order Execution of Database Queries 2020 VLDB 4.2446672e-05
9,989 On the Vexing Difficulty of Evaluating IN Predicates 2026 CIDR 4.1945683e-05
10,043 Accelerating Stream Processing Engines via Hardware Offloading 2026 SIGMOD 4.1945683e-05
10,121 TQEx: Tensor-based Query Engine Enhanced by Bridging the Gap 2026 SIGMOD 4.1945683e-05
10,190 P-MOSS: Scheduling Main-Memory Indexes Over NUMA Servers Using Next Token Prediction 2026 SIGMOD 4.1945683e-05
10,284 FlowLog: Efficient and Extensible Datalog via Incrementality 2026 VLDB 4.1945683e-05
10,295 Global Hash Tables Strike Back! An Analysis of Parallel GROUP BY Aggregation 2026 VLDB 4.1945683e-05
10,372 Data Chunk Compaction in Vectorized Execution 2025 SIGMOD 4.1945683e-05
10,405 Flux: Unifying Heterogeneous Infrastructure for Alibaba AnalyticDB 2025 SIGMOD 4.1945683e-05
10,423 anagodb: Offering Massive Parallelism for Database Engine 2025 SIGMOD 4.1945683e-05
10,635 Saving Private Hash Join 2025 VLDB 4.1945683e-05
10,714 Towards Designing Future-Proof Data Processing Systems 2025 VLDB 4.1945683e-05
10,745 Robust Recursive Query Parallelism in Graph Database Management Systems 2025 VLDB 4.1945683e-05
10,756 Selective Late Materialization in Modern Analytical Databases 2025 VLDB 4.1945683e-05
10,767 The HANA Native Query Engine for Lakehouse Systems 2025 VLDB 4.1945683e-05
10,786 Freely Moving Between the OLTP and OLAP Worlds: Hermes – an High-Performance OLAP Accelerator for MySQL 2025 VLDB 4.1945683e-05
10,804 Accordion: Balancing Performance and Cost in Cloud-Native Data Analysis with Intra-Query Runtime Elasticity 2025 VLDB 4.1945683e-05
10,932 Flux: Decoupled Auto-Scaling for Heterogeneous Query Workload in Alibaba AnalyticDB 2024 SIGMOD 4.1945683e-05
10,989 High-Performance Query Processing with NVMe Arrays: Spilling without Killing Performance 2024 SIGMOD 4.1945683e-05
11,152 Pipeline Group Optimization on Disaggregated Systems 2023 CIDR 4.1945683e-05
11,237 Cracking-Like Join for Trusted Execution Environments 2023 VLDB 4.1945683e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 16 of 16 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
35 MonetDB/X100: Hyper-Pipelining Query Execution 2005 CIDR 0.00076197749
60 Efficiently Compiling Efficient Query Plans for Modern Hardware 2011 VLDB 0.00064439773
113 Encapsulation of Parallelism in the Volcano Query Processing System 1990 SIGMOD 0.00046764513
241 DB2 with BLU Acceleration: So Much More than Just a Column Store 2013 VLDB 0.00031420034
351 Sort vs. Hash Revisited: Fast Join Implementation on Modern Multi-Core CPUs 2009 VLDB 0.0002636504
404 Multi-Core, Main-Memory Joins: Sort vs. Hash Revisited 2014 VLDB 0.00024143076
515 QPipe: A Simultaneously Pipelined Relational Query Engine 2005 SIGMOD 0.00021214633
540 Design and Evaluation of Main Memory Hash Join Algorithms for Multi-core CPUs 2011 SIGMOD 0.0002063443
585 Massively Parallel Sort-Merge Joins in Main Memory Multi-Core Database Systems 2012 VLDB 0.00019706145
940 SharedDB: Killing One Thousand Queries With One Stone 2012 VLDB 0.00015173166
1,223 Enhancements to SQL Server Column Stores 2013 SIGMOD 0.00013207641
1,287 Hardware-Oblivious Parallelism for In-Memory Column-Stores 2013 VLDB 0.00012820443
1,543 NUMA-aware algorithms: the case of data shuffling 2013 CIDR 0.0001145318
1,694 How Soccer Players Would do Stream Joins 2011 SIGMOD 0.00010893764
2,445 OLTP on Hardware Islands 2012 VLDB 8.8057827e-05
3,021 Adaptive and Big Data Scale Parallel Execution in Oracle 2013 VLDB 7.6991391e-05
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