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Design and implementation of a multi-core system simulator based on hardware-software synergy

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一种软硬件协同的多核系统模拟器的设计与实现

Journal Information

J. Hefei Univ. Tech. (Nat. Sci.), Mar.2025, Vol.48 No.3: 335-342

DOI: 10.3969/j.issn.1003-5060.2025.03.007

Authors

WANG Jian, NI Wei

(School of Microelectronics, Hefei University of Technology, Hefei 230601, China)

Abstract and Keywords

Abstract: Software-based multi-core system simulators have extremely poor timeliness in performing computation-intensive/data-intensive tasks, and have poor simulation accuracy and performance evaluation accuracy, which limits their application in the exploration of multi-core system structure optimization. This paper proposes a hardware-software cooperative multi-core system simulator called cycle accurate hardware-software co-simulator (CAHSCS). By introducing hardware computing and storage modules into the traditional simulator architecture, CAHSCS effectively improves the simulation speed and accuracy of the entire system and the accuracy of performance evaluation. The complex real task loading experiment shows that CAHSCS improves the computing efficiency of large-scale complex data by ten times, and significantly speeds up the convergence speed of system design.

Keywords: hardware-software co-simulator; multi-core system simulator; large-scale data computing; hardware computing; simulator acceleration

作者信息

王鉴，倪伟

（合肥工业大学微电子学院，安徽合肥230601）

摘要和关键词

摘要: 基于软件实现的多核系统模拟器执行计算密集/数据密集任务的时效性极差,且存在模拟精度和性能评估准确性差的不足,限制其在多核系统结构优化探索中的应用。文章提出一种周期精确的软硬件协同多核系统模拟器(cycle accurate hardware-software co-simulator, CAHSCS),通过在传统模拟器架构中引入硬件计算和存储模块,CAHSCS能有效改善全系统的模拟速度、精度,提高性能评估的准确性。复杂真实任务加载实验结果表明,CAHSCS将大规模复杂数据的运算效率提高了10倍,显著加快了系统设计收敛速度。

关键词: 软硬件协同模拟器；多核系统模拟器；大规模数据运算；硬件计算；模拟器加速

Funding

安徽省高校协同创新资助项目（GXXT-2019-030）

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