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"Dynamically Reconfiguring Software Microbenchmarks: Reducing Execution Time without Sacrificing Result Quality (Video, ESEC/FSE 2020)
Christoph Laaber, Stefan Würsten, Harald C. Gall, and Philipp Leitner
(University of Zurich, Switzerland; University of Zurich, Switzerland; University of Zurich, Switzerland; Chalmers University of Technology, Sweden / University of Gothenburg, Sweden)

Abstract: Executing software microbenchmarks, a form of small-scale performance tests predominantly used for libraries and frameworks, is a costly endeavor. Full benchmark suites take up to multiple hours or days to execute, rendering frequent checks, e.g., as part of continuous integration (CI), infeasible. However, altering benchmark configurations to reduce execution time without considering the impact on result quality can lead to benchmark results that are not representative of the software’s true performance. We propose the first technique to dynamically stop software microbenchmark executions when their results are sufficiently stable. Our approach implements three statistical stoppage criteria and is capable of reducing Java Microbenchmark Harness (JMH) suite execution times by 48.4% to 86.0%. At the same time it retains the same result quality for 78.8% to 87.6% of the benchmarks, compared to executing the suite for the default duration. The proposed approach does not require developers to manually craft custom benchmark configurations; instead, it provides automated mechanisms for dynamic reconfiguration. Hence, making dynamic reconfiguration highly effective and efficient, potentially paving the way to inclusion of JMH microbenchmarks in CI.

Article: https://doi.org/10.1145/3368089.3409683

Supplementary archive: https://doi.org/10.6084/m9.figshare.1... (Badges: Artifacts Available)

ORCID: https://orcid.org/0000-0001-6817-331X, https://orcid.org/0000-0003-2777-528X

Submitted to the conference by Christoph Laaber on 2020-10-30

Video Tags: performance testing, software benchmarking, JMH, configuration, fse20main-p168-p, DOI: 10.1145/3368089.3409683, DOI: 10.6084/m9.figshare.11944875.v1, ORCID: 0000-0001-6817-331X, ORCID: 0000-0003-2777-528X, Artifacts Available

Presentation at the ESEC/FSE 2020 conference, November 8–13, 2020, https://2020.esec-fse.org/
Sponsored by ACM SIGSOFT, https://www.sigsoft.org/

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