An analysis of performance-critical properties of modelica models

Neil Cafferkey; Gregory Provan

doi:10.1016/j.ifacol.2015.05.122

An analysis of performance-critical properties of modelica models

Neil Cafferkey
, Gregory Provan

University College Cork

Research output: Contribution to journal › Article › peer-review

Abstract

Equation based object-oriented modelling languages such as Modelica are increas-ingly used for modelling complex electro-mechanical systems. Although compiling and executing a Modelica model can in some cases take many days, the performance characteristics of Modelica models and compilers are not well understood. Through the study of the compiler component of a widely used open-source Modelica implementation, OpenModelica, and a set of representative electronic models, we measure how various model properties influence the time contributions of different compilation-simulation phases. Wide differences in running times are observed. We highlight the factors contributing to these differences and put forward some strategies for improving future performance.

Original language	English
Pages (from-to)	210-215
Number of pages	6
Journal	IFAC-PapersOnLine
Volume	28
Issue number	1
DOIs	https://doi.org/10.1016/j.ifacol.2015.05.122
Publication status	Published - 1 Feb 2015
Event	8th Vienna International Conference on Mathematical Modelling, MATHMOD 2015 - Vienna, Austria Duration: 18 Feb 2015 → 20 Feb 2015

Keywords

Benchmark
Complex systems Medelica
Efficiency
Electronics
Modelling
Simulation

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10.1016/j.ifacol.2015.05.122

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abstract = "Equation based object-oriented modelling languages such as Modelica are increas-ingly used for modelling complex electro-mechanical systems. Although compiling and executing a Modelica model can in some cases take many days, the performance characteristics of Modelica models and compilers are not well understood. Through the study of the compiler component of a widely used open-source Modelica implementation, OpenModelica, and a set of representative electronic models, we measure how various model properties influence the time contributions of different compilation-simulation phases. Wide differences in running times are observed. We highlight the factors contributing to these differences and put forward some strategies for improving future performance.",

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AB - Equation based object-oriented modelling languages such as Modelica are increas-ingly used for modelling complex electro-mechanical systems. Although compiling and executing a Modelica model can in some cases take many days, the performance characteristics of Modelica models and compilers are not well understood. Through the study of the compiler component of a widely used open-source Modelica implementation, OpenModelica, and a set of representative electronic models, we measure how various model properties influence the time contributions of different compilation-simulation phases. Wide differences in running times are observed. We highlight the factors contributing to these differences and put forward some strategies for improving future performance.

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KW - Complex systems Medelica

KW - Efficiency

KW - Electronics

KW - Modelling

KW - Simulation

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T2 - 8th Vienna International Conference on Mathematical Modelling, MATHMOD 2015

Y2 - 18 February 2015 through 20 February 2015

ER -

An analysis of performance-critical properties of modelica models

Abstract

Keywords

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