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OOPSLA
2015
Springer

Columnar objects: improving the performance of analytical applications

7 years 11 months ago
Columnar objects: improving the performance of analytical applications
Growing volumes of data increase the demand to use it in analytical applications to make informed decisions. Unfortunately, object-oriented runtimes experience performance problems when dealing with large data volumes. Similar problems have been addressed by column-oriented inmemory databases, whose memory layout is tailored to analytical workloads. As a result, data storage and processing are often delegated to such a database. However, the more domain logic is moved to this separate system, the more benefits of object-orientation are lost. We propose modifications to dynamic object-oriented runtimes to store collections of objects in a column-oriented memory layout and leverage a just-in-time compiler (JIT) to take advantage of the adjusted layout by mapping object traversal to array operations. We implemented our concept in PyPy, a Python interpreter equipped with a tracing JIT. Finally, we show that analytical algorithms, expressed through object-oriented code, are up to three t...
Toni Mattis, Johannes Henning, Patrick Rein, Rober
Added 16 Apr 2016
Updated 16 Apr 2016
Type Journal
Year 2015
Where OOPSLA
Authors Toni Mattis, Johannes Henning, Patrick Rein, Robert Hirschfeld, Malte Appeltauer
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