Abstract
EnergyPlus is the flagship whole-building energy simulation program developed by the US Department of Energy. This paper describes the various approaches to improve the performance of the interior radiant heat exchange algorithm. Vectorization, optimized Basic Linear Algebra Subprograms (BLAS) library, multithreading, and Graphical Processing Unit (GPU) computation are all investigated. The approach with the best performance, while maintaining drop-in compatibility with existing EnergyPlus code, is the optimized BLAS library. However, GPU computing has the potential to reduce simulation time by orders of magnitude with major refactoring to EnergyPlus.
| Original language | English |
|---|---|
| Pages (from-to) | 17-20 |
| Number of pages | 4 |
| Journal | ASHRAE and IBPSA-USA Building Simulation Conference |
| State | Published - 2018 |
| Event | 2018 ASHRAE/IBPSA-USA Building Simulation Conference: Building Performance Modeling, SimBuild 2018 - Chicago, United States Duration: Sep 26 2018 → Sep 28 2018 |
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