Towards resilient EU HPC systems: a blueprint

Petar Radojkovic
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引用次数: 7

Abstract

In high-performance computing (HPC) a single tightly-coupled job may execute for days on thousands of servers. Since a server failure typically leads to cascading effects on the whole job, requiring redundancy and/or aggressive checkpointing to prevent the whole job from failing. This has an adverse impact on the system performance and resource usage; which limits the ability to scale to larger systems. System resiliency is therefore one of the most important Exascale requirements and challenges.
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迈向弹性的欧盟高性能计算系统:蓝图
在高性能计算(HPC)中,一个紧密耦合的作业可能在数千台服务器上执行数天。由于服务器故障通常会导致整个作业的级联效应,因此需要冗余和/或积极的检查点来防止整个作业失败。这对系统性能和资源使用有不利影响;这限制了扩展到更大系统的能力。因此,系统弹性是Exascale最重要的需求和挑战之一。
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