Parallel I/O performance: From events to ensembles

  title={Parallel I/O performance: From events to ensembles},
  author={Andrew Uselton and Mark Howison and Nicholas J. Wright and David Skinner and Noel Keen and John Shalf and Karen L. Karavanic and Leonid Oliker},
  journal={2010 IEEE International Symposium on Parallel & Distributed Processing (IPDPS)},
Parallel I/O is fast becoming a bottleneck to the research agendas of many users of extreme scale parallel computers. The principle cause of this is the concurrency explosion of high-end computation, coupled with the complexity of providing parallel file systems that perform reliably at such scales. More than just being a bottleneck, parallel I/O performance at scale is notoriously variable, being influenced by numerous factors inside and outside the application, thus making it extremely… CONTINUE READING
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