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High-performance external computations using user-controllable I/O

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4 Author(s)
Jang Sun Lee ; Database Sect., ETRI, Daejon, South Korea ; Ko, S.-H. ; Ranka, S. ; Byung Eui Min

The UPIO (user-controllable parallel I/O) proposed earlier by the authors extends the abstraction of a linear file model into an n-dimensional file model, making it possible to control the layout of data blocks across disks and aggregating disk bandwidth through UPIO's interfaces. This enables users to produce high-performance external computation codes by planning I/O, computations, communication, and data reuse effectively in the codes. They show how well UPIO produces high-performance external computation codes by designing an I/O and communication-efficient external Laplace equation solver algorithm and exploring the effects of UPIO with the codes

Published in:
Parallel Processing Symposium, 1998. IPPS/SPDP 1998. Proceedings of the First Merged International ... and Symposium on Parallel and Distributed Processing 1998

Date of Conference: 30 Mar-3 Apr 1998

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