CMMD I/O: a parallel Unix I/O
Best, M.L.
Stanfill, C.
Greenberg, A.
Tucker, L.W.
Thinking Machines Corp., Cambridge, MA;
This paper appears in: Parallel Processing Symposium, 1993., Proceedings of Seventh International
Publication Date: 13-16 Apr 1993
On page(s): 489-495
Meeting Date: 04/13/1993 - 04/16/1993
Location: Newport, CA, USA
ISBN: 0-8186-3442-1
References Cited: 8
INSPEC Accession Number: 4577233
Digital Object Identifier: 10.1109/IPPS.1993.262828
Current Version Published: 2002-08-06
Abstract
The authors propose a library providing Unix file system support
for highly parallel distributed-memory computers. CMMD I/O supports Unix
I/O commands on the CM-5 supercomputer. The overall objective of the
library is to provide the node level parallel programmer with routines
for opening, reading, writing a file, and so forth. The default behavior
mimics standard Unix running on each node; individual nodes can
independently perform file system operations. New extensions to the
standard Unix file descriptor semantics provide for co-operative
parallel I/O. New functions provide access to very large
(multi-gigabyte) files
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