A family of real-time Java benchmarks

Authors:
Tomas Kalibera;Jeff Hagelberg;Petr Maj;Filip Pizlo;Ben Titzer;Jan Vitek
Affiliations:
Charles University, Prague 14700, Czech Republic;Purdue University, West Lafayette, IN 47907, U.S.A.;Purdue University, West Lafayette, IN 47907, U.S.A.;Purdue University, West Lafayette, IN 47907, U.S.A.;Purdue University, West Lafayette, IN 47907, U.S.A.;Purdue University, West Lafayette, IN 47907, U.S.A.
Venue:
Concurrency and Computation: Practice & Experience
Year:
2011

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Abstract

Java is becoming a viable platform for real-time computing. There are production and research real-time Java VMs, as well as applications in both the military and civil sectors. Technological advances and increased adoption of real-time Java contrast significantly with the lack of benchmarks. Existing benchmarks are either synthetic micro-benchmarks, or proprietary, making it difficult to independently verify and repeat reported results. This paper presents the CDx benchmark, a family of open-source implementations of the same application that target different real-time virtual machines. CDx is, at its core, a real-time benchmark with a single periodic task, which implements an idealized aircraft collision detection algorithm. The benchmark can be configured to use different sets of real-time features and comes with a number of workloads. It can be run on standard Java virtual machines, on real-time and Safety Critical Java virtual machine, and a C version is provided to compare with native performance. Copyright © 2010 John Wiley & Sons, Ltd.