Application research of time-slot task synchronization method based on timestamp counter polling in electromagnetic transient real-time simulation

Qi Guo; Yuanhong Lu; Tianyu Guo; Jie Zhang; Libin Huang; Liang Tu; Zhilong Guo; Dehuai Xu; Chuang Guo

doi:10.1117/12.3037715

27 September 2024 Application research of time-slot task synchronization method based on timestamp counter polling in electromagnetic transient real-time simulation

Qi Guo, Yuanhong Lu, Tianyu Guo, Jie Zhang, Libin Huang, Liang Tu, Zhilong Guo, Dehuai Xu, Chuang Guo

Author Affiliations +

Proceedings Volume 13275, Sixth International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2024); 132752Y (2024) https://doi.org/10.1117/12.3037715
Event: 6th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2024), 2024, Wuhan, China

Abstract

In the practical application of electromagnetic transient real-time simulation computing platform, due to the large amount of calculation and long calculation time of electromagnetic transient simulation calculation, in order to improve the calculation speed and accuracy, it is usually necessary to use multiple CPU cores for parallel calculation at the same time, and ensure that each task synchronization and coordination among the computing cores. So, it is of great significance to select an appropriate task synchronization method for the realization of the electromagnetic transient real-time simulation computing platform. The paper puts forward a kind of based on TSC (Time Stamp Counter) Time Stamp Counter polling Time slot task synchronization method, this method supports high precision Time synchronization and coordination between different tasks, and can adapt to the transmission and efficient processing of large amounts of data. The test results prove that this method can avoid the overhead and delay of a large number of interrupts and thread switching, improve the efficiency, stability and predictability of task execution, and meet the performance requirements of the task synchronization method based on the centralized tightly coupled electromagnetic transient real-time simulation prototype.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Qi Guo, Yuanhong Lu, Tianyu Guo, Jie Zhang, Libin Huang, Liang Tu, Zhilong Guo, Dehuai Xu, and Chuang Guo "Application research of time-slot task synchronization method based on timestamp counter polling in electromagnetic transient real-time simulation", Proc. SPIE 13275, Sixth International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2024), 132752Y (27 September 2024); https://doi.org/10.1117/12.3037715

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KEYWORDS

Computer simulations

Clocks

Electromagnetism

Operating systems

Real-time computing

Control systems

Parallel computing

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