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High Performance Parallel I/O
book

High Performance Parallel I/O

by Prabhat, Quincey Koziol
October 2014
Intermediate to advanced content levelIntermediate to advanced
434 pages
13h 28m
English
Chapman and Hall/CRC
Content preview from High Performance Parallel I/O
MPI-IO 165
with the file access phase. In Venkatesan et al.’s study [14], I/O aggrega-
tor placement methods are proposed to minimize the communication cost
in the request aggregation phase. Based on the file views, it calculates the
non-aggregator-to-aggregator communication matrix, divides processes with
high-volume communication into groups, and maps the process groups to the
underlying network topology.
13.4 MPI-IO Hints
MPI-IO hints are a mechanism for users to pass information, such as ac-
cess patterns, to the implementation so that it can help optimize file access.
This is done by setting an MPI Info object and passing it to the functions
MPI File ...
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Publisher Resources

ISBN: 9781466582347