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CLUSTER
2008
IEEE
9 years 10 months ago
Message progression in parallel computing - to thread or not to thread?
Abstract—Message progression schemes that enable communication and computation to be overlapped have the potential to improve the performance of parallel applications. With curre...
Torsten Hoefler, Andrew Lumsdaine
CLUSTER
2008
IEEE
9 years 10 months ago
Enabling lock-free concurrent fine-grain access to massive distributed data: Application to supernovae detection
—We consider the problem of efficiently managing massive data in a large-scale distributed environment. We consider data strings of size in the order of Terabytes, shared and ac...
Bogdan Nicolae, Gabriel Antoniu, Luc Bougé
CLUSTER
2008
IEEE
9 years 10 months ago
A trace-driven emulation framework to predict scalability of large clusters in presence of OS Jitter
—Various studies have pointed out the debilitating effects of OS Jitter on the performance of parallel applications on large clusters such as the ASCI Purple and the Mare Nostrum...
Pradipta De, Ravi Kothari, Vijay Mann
CLUSTER
2008
IEEE
9 years 10 months ago
Predictive models for bandwidth sharing in high performance clusters
Abstract—Using MPI as communication interface, one or several applications may introduce complex communication behaviors over the network cluster. This effect is increased when n...
Jérôme Vienne, Maxime Martinasso, Jea...
CLUSTER
2008
IEEE
9 years 10 months ago
Gather-arrange-scatter: Node-level request reordering for parallel file systems on multi-core clusters
—Multiple processors or multi-core CPUs are now in common, and the number of processes running concurrently is increasing in a cluster. Each process issues contiguous I/O request...
Kazuki Ohta, Hiroya Matsuba, Yutaka Ishikawa
CLUSTER
2008
IEEE
9 years 10 months ago
Multistage switches are not crossbars: Effects of static routing in high-performance networks
Abstract—Multistage interconnection networks based on central switches are ubiquitous in high-performance computing. Applications and communication libraries typically make use o...
Torsten Hoefler, Timo Schneider, Andrew Lumsdaine
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