
FOLLOWUS
Department of Computer Science and Engineering, The Ohio State University, Ohio 43210, USA
Dhabaleswar PANDA, E-mail: panda@cse.ohio-state.edu
[ "Xiao-yi LU, E-mail: luxi@cse.ohio-state.edu" ]
[ "Hari SUBRAMONI, E-mail: subramon@cse.ohio-state.edu" ]
收稿:2018-10-09,
修回:2018-10-15,
纸质出版:2018-10
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Dhabaleswar PANDA, 陆晓义, Hari SUBRAMONI. 超百亿亿级系统面临的网络和通信挑战[J]. 信息与电子工程前沿(英文), 2018,19(10):1230-1235.
Dhabaleswar PANDA, Xiao-yi LU, Hari SUBRAMONI. Networking and communication challenges for post-exascale systems[J]. Frontiers of Information Technology & Electronic Engineering, 2018, 19(10): 1230-1235.
Dhabaleswar PANDA, 陆晓义, Hari SUBRAMONI. 超百亿亿级系统面临的网络和通信挑战[J]. 信息与电子工程前沿(英文), 2018,19(10):1230-1235. DOI: 10.1631/FITEE.1800631.
Dhabaleswar PANDA, Xiao-yi LU, Hari SUBRAMONI. Networking and communication challenges for post-exascale systems[J]. Frontiers of Information Technology & Electronic Engineering, 2018, 19(10): 1230-1235. DOI: 10.1631/FITEE.1800631.
由于新兴处理器、内存和网络技术的显著进步,百亿亿级系统将在未来几年(2020-2022)推出。随着百亿亿级系统被配置和使用,具有更细粒度、更短时间步长和更大数据量的下一代应用程序将被持续需求。从发展趋势看,2025-2035年间,下一代应用程序将需要超百亿亿级系统。本文关注超百亿亿级系统在网络和通信方面面临的挑战。首先,提出超百亿亿级系统的设想架构。其次,从不同方面阐述面临的挑战,包括多种网络技术、高性能通信和同步协议、加速器和现场可编程门户阵列的集成支持、容错和服务质量支持、能量感知通信方案和协议、软件定义网络以及多种内存和存储器的可扩展通信协议。再次,指出在这些系统上进行支持高性能计算、大数据和深度学习的高效编程模型设计面临的挑战。最后,强调了这些系统的上层共同设计运行时间的关键需求,以实现最优性能和可扩展性。
With the significant advancement in emerging processor
memory
and networking technologies
exascale systems will become available in the next few years (2020-2022). As the exascale systems begin to be deployed and used
there will be a continuous demand to run next-generation applications with finer granularity
finer time-steps
and increased data sizes. Based on historical trends
next-generation applications will require post-exascale systems during 2025-2035. In this study
we focus on the networking and communication challenges for post-exascale systems. Firstly
we present an envisioned architecture for post-exascale systems. Secondly
the challenges are summarized from different perspectives: heterogeneous networking technologies
high-performance communication and synchronization protocols
integrated support with accelerators and field-programmable gate arrays
fault-tolerance and quality-of-service support
energy-aware communication schemes and protocols
software-defined networking
and scalable communication protocols with heterogeneous memory and storage. Thirdly
we present the challenges in designing efficient programming model support for high-performance computing
big data
and deep learning on these systems. Finally
we emphasize the critical need for co-designing runtime with upper layers on these systems to achieve the maximum performance and scalability.
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