Probabilistic energy profiler for statically typed JVM-based programming languages

• URL: http://arxiv.org/abs/2512.02738v1
• Date: Tue, 02 Dec 2025 13:21:35 GMT
• Title: Probabilistic energy profiler for statically typed JVM-based programming languages
• Authors: Joel Nyholm, Wojciech Mostowski, Christoph Reichenbach,
• Abstract summary: Energy consumption is a growing concern in several fields, from mobile devices to large data centers.<n>Previous approaches have a broader focus, such as on specific functions or programs, rather than source code statements.<n>We develop a novel methodology to address the limitations of measuring only the consumption and using point estimates.
• Score: 1.7842332554022688
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Energy consumption is a growing concern in several fields, from mobile devices to large data centers. Developers need detailed data on the energy consumption of their software to mitigate consumption issues. Previous approaches have a broader focus, such as on specific functions or programs, rather than source code statements. They primarily focus on estimating the CPU's energy consumption using point estimates, thereby disregarding other hardware effects and limiting their use for statistical reasoning and explainability. We developed a novel methodology to address the limitations of measuring only the CPU's consumption and using point estimates, focusing on predicting the energy usage of statically typed JVM-based programming languages, such as Java and Scala. We measure the energy consumption of Bytecode patterns, the translation from the programming language's source code statement to their Java Bytecode representation. With the energy measurements, we construct a statistical model using Bayesian statistics, which allows us to predict the energy consumption through statistical distributions and analyze individual factors. The model includes three factors we obtain statically from the code: data size, data type, operation, and one factor about the hardware platform the code executes on: device. To validate our methodology, we implemented it for Java and evaluated its energy predictions on unseen programs. We observe that all four factors are influential, notably that two devices of the same model may differ in energy consumption and that the operations and data types cause consumption differences. The experiments also show that the energy prediction of programs closely follows the program's real energy consumption, validating our approach. Our work presents a methodology for constructing an energy model that future work, such as verification tools, can use for their energy estimates.

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