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Out of core, out of mind: practical parallel I/O

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4 Author(s)
Womble, D.E. ; Sandia Nat. Labs., Albuquerque, NM, USA ; Greenberg, D.S. ; Riesen, R.E. ; Wheat, S.R.

Parallel computers are becoming more powerful and more complex in response to the demand for computing power by scientists and engineers. Inevitably, new and more complex I/O systems will be developed for these systems. In particular we believe that the I/O system must provide the programmer with the ability to explicitly manage storage (despite the trend toward complex parallel file systems and caching schemes). One method of doing so is to have a partitioned secondary storage in which each processor owns a logical disk. Along with operating system enhancements which allow overheads such as buffer copying to be avoided and libraries to support optimal remapping of data, this sort of I/O system meets the needs of high performance computing

Published in:

Scalable Parallel Libraries Conference, 1993., Proceedings of the

Date of Conference:

6-8 Oct 1993