NDLI: Low-level interfaces for high-level parallel i/o

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Low-level interfaces for high-level parallel i/o

Content Provider	NASA Technical Reports Server (NTRS)
Author	Nieuwejaar Sr., Nils Kotz, David
Copyright Year	1995
Description	As the I/O needs of parallel scientific applications increase, file systems for multiprocessors are being designed to provide applications with parallel access to multiple disks. Many parallel file systems present applications with a conventional Unix-like interface that allows the application to access multiple disks transparently. By tracing all the activity of a parallel file system in a production, scientific computing environment, we show that many applications exhibit highly regular, but nonconsecutive I/O access patterns. Since the conventional interface does not provide an efficient method of describing these patterns, we present three extensions to the interface that support strided, nested-strided, and nested-batched I/O requests. We show how these extensions can be used to express common access patterns.
File Size	874874
Page Count	20
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19960001491
Archival Resource Key	ark:/13960/t7jq5wv6p
Language	English
Publisher Date	1995-01-01
Access Restriction	Open
Subject Keyword	Data Transfer Computers Parallel Programming Parallel Computers Data Storage Data Structures Multiprocessing Computers Computer Storage Devices Input/output Routines Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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