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An Investigation of Atomic Synchronization for Sort-Based ...
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由 B Gurumurthy 著作2021被引用 4 次 — Generally for group by computation on GPUs, one relies either on sorting or hashing. Today, empirical results suggest that hash-based approaches are superior.
An Investigation of Atomic Synchronization for Sort-Based ...
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由 B Gurumurthy 著作被引用 4 次 — Abstract—Using heterogeneous processing devices, like GPUs, to accelerate relational database operations is a well-known strategy.
An Investigation of Atomic Synchronization for Sort-Based ...
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由 B Gurumurthy 著作2021被引用 4 次 — We show that the issue arises from the need to synchronize parallel threads that access the shared memory location containing the aggregates via atomics.
An Investigation of Atomic Synchronization for Sort-Based ...
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由 B Gurumurthy 著作2021被引用 4 次 — ATOMICS IN GPU. In this section, we examine our hypothesis that sort-based group-by approaches suffer from the issues that all threads request synchronisation ...
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An Investigation of Atomic Synchronization for Sort-Based ...
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Novel insights on atomic synchronization for sort-based group-by on GPUs. Article. Full-text available. Apr 2023 ; Computing Group-By and Aggregates on Massively ...
Novel insights on atomic synchronization for sort-based ...
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由 B Gurumurthy 著作2023被引用 1 次 — In this paper, we address the problem of parallelizing a group-by operation followed by a subsequent aggregate.
Novel insights on atomic synchronization for sort-based group ...
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由 B Gurumurthy 著作2023被引用 1 次 — Our results indicate that current sorting solutions cannot exploit the full parallel power of modern GPUs. Experimentally, we show that the ...
Novel insights on atomic synchronization for sort-based ...
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2023年4月24日 — Using heterogeneous processing devices, like GPUs, to accelerate relational database operations is a well-known strategy.
Bala Gurumurthy
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An investigation of atomic synchronization for sort-based group-by aggregation on gpus. B Gurumurthy, D Broneske, M Schäler, T Pionteck, G Saake. 2021 IEEE ...
Optimizing GPU-accelerated Group-By and Aggregation
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This paper studies in depth offloading to a GPU the grouping and aggregation operator, often the dominant operation in analytics queries after joins, ...