Operating system issues for petascale systems

P Beckman, K Iskra, K Yoshii, S Coghlan - ACM SIGOPS Operating …, 2006 - dl.acm.org
ACM SIGOPS Operating Systems Review, 2006dl.acm.org
Petascale supercomputers will be available by 2008. The largest machine of these complex
leadership-class machines will probably have nearly 250K CPUs. These massively parallel
systems have a number of challenging operating system issues. In this paper, we focus on
the issues most important for the system that will first breach the petaflop barrier:
synchronization and collective operations, parallel I/O, and fault tolerance.
Petascale supercomputers will be available by 2008. The largest machine of these complex leadership-class machines will probably have nearly 250K CPUs. These massively parallel systems have a number of challenging operating system issues. In this paper, we focus on the issues most important for the system that will first breach the petaflop barrier: synchronization and collective operations, parallel I/O, and fault tolerance.
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