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软件学报  2001 

A Parallel I/O System Based on NOW
一个基于NOW的并行I/O系统

Keywords: NOW (networks of workstations),collective I/O,disk,directed I/O,two,phase I/O,data sieving
NOW(networks
,of,workstations),collective,I/O,disk-directed,I/O,two-phase,I/O,数据筛选

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Abstract:

As NOW (networks of workstations) is increasingly used to run scientific applications, how to provide high performance I/O for I/O-intensive applications has become one of the crucial components in NOW environments. In the paper, the design and implementation of Collective I/O system on NOW is presented. The system combines the advantages of both DDIO (disk-directed I/O) and two-phase I/O and a series of optimizations such as data sieving are employed. The initial performance evaluations have shown good I/O performance.

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