Parallel Aggregation

Hasso Plattner
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Hasso Plattner: Hasso Plattner Institute

Chapter Chapter 24 in A Course in In-Memory Data Management, 2014, pp 161-164 from Springer

Abstract: Abstract Similar to the parallel join described in Chap. 23, aggregation operations can also be accelerated using parallelism and hash-based algorithms. In this chapter, we discuss how parallel aggregation is implemented in SanssouciDB. Note that multiple other ways to implement parallel aggregation are also conceivable. However, we focus on our parallel implementation using hashing and thread-local storage.

Keywords: Parallel Assembly; SanssouciDB; Thread Local Storage; Thread Merge; Parallel Aggregation Algorithms (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-55270-0_24

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DOI: 10.1007/978-3-642-55270-0_24

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