Loop Fusion in High Performance Fortran

Loop Fusion in High Performance Fortran (1998)

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by Gerald Roth , Ken Kennedy

Venue:	IN PROCEEDINGS OF THE 1998 ACM INTERNATIONAL CONFERENCE ON SUPERCOMPUTING
Citations:	8 - 2 self

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Datum	Value	Source
TITLE	Loop Fusion in High Performance Fortran	user correction - Legacy Corrections
AUTHOR NAME	Gerald Roth	user correction
AUTHOR AFFIL	Sun Microsystems Rice University; 901 San Antonio Rd. Computer Science Dept.	user correction
AUTHOR ADDR	MS UMPK16-303 6100 Main Street; Palo Alto, CA 94303 Houston, TX 77005	user correction
AUTHOR NAME	Ken Kennedy	user correction
AUTHOR AFFIL	Sun Microsystems Rice University; 901 San Antonio Rd. Computer Science Dept.	user correction
AUTHOR ADDR	MS UMPK16-303 6100 Main Street; Palo Alto, CA 94303 Houston, TX 77005	user correction
ABSTRACT	In this paper we investigate a unique problem associated with fusing loops within a High Performance Fortran (HPF) program. In particular, we discuss the issue of performing loop fusion in an HPF compiler when compiling Fortran90 array assignment statements for execution on a distributedmemory machine. During compilation of an HPF program, Fortran90 array assignment statements must be scalarized into loop nests. We show how a certain class of these loop nests, when fused, can cause problems for the compiler's distributed-memory code generator. We then present an algorithm which not only prevents the fusion of these loops, but also increases the amount of useful fusion that can be performed.	user correction
YEAR	1998	INFERENCE
VENUE	IN PROCEEDINGS OF THE 1998 ACM INTERNATIONAL CONFERENCE ON SUPERCOMPUTING	user correction
VENUE TYPE	CONFERENCE	INFERENCE
PAGES	125--132	INFERENCE
TECH	CRPC TR98745	INFERENCE
CITATIONS	32 found	ParsCit 1.0