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相关概念视频

Control Systems: Applications01:25

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Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
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Updated: Jul 5, 2025

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空间应用智能计算组件的性能评估方法

Man Xie1,2, Lianguo Wang1, Miao Ma1

  • 1National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China.

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PubMed
概括
此摘要是机器生成的。

评估太空级处理器对于任务至关重要. 恩维达Jetson AGX Xavier在低功耗的密集计算方面表现出色,而Loongson在并行任务方面提供了竞争力的性能,尽管使用的能量更高.

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科学领域:

  • 太空飞船工程 太空飞船工程
  • 计算机架构 计算机架构
  • 高性能计算的高性能计算.

背景情况:

  • 对太空有效载荷的计算需求不断增加,需要高效,可靠的处理器.
  • 开发太空级处理器是耗时和昂贵的,推动了对现有平台的性能评估的需求.
  • 识别合适的商用现成处理器 (COTS) 可以加速太空任务的开发.

研究的目的:

  • 调查空间级处理器的性能评估基准.
  • 为空间应用构建量身定制的基准模块.
  • 评估NVIDIA Jetson AGX Xavier和Loongson平台对于太空任务的适用性.

主要方法:

  • 开发基准模块和典型的空间应用基准.
  • 对NVIDIA Jetson AGX Xavier和Loongson平台进行系统性性能评估.
  • 在各种工作负载下分析计算性能和功耗.

主要成果:

  • 在密集的计算中,NVIDIA Jetson AGX Xavier展示了卓越的性能和更低的功耗.
  • 在并行优化计算中,Loongson平台在并行优化计算中达到Xavier的80%的性能.
  • 朗森平台可以在特定的并行任务中超过Xavier,但需要增加功率需求.

结论:

  • 恩维迪亚Jetson AGX Xavier是太空任务的强大候选人,需要高性能,在密集的计算中具有高功率效率.
  • 朗森处理器为空间平行计算任务提供了可行的替代方案,平衡性能和功率的权衡.
  • 针对太空应用量身定制的性能基准对于为各种太空任务要求选择最佳处理器至关重要.