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Article #252

VECTORAL Compiler ( from NASA Ames Research Center ?)

#252
From: Ramesh Jayaraman
Date: Fri, 12 Apr 1991 19:24
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I would like to hear experiences of people using Vectoral compiler (as I
understand it, Vectoral takes a scalar (Fortran like syntax ?) code and
generates Vector instructions and object code for Crays - I don't know
which Crays or if Vectoral is installed under Unicos).

I also hear from a colleague that when he tested Vectoral in the summer
of '89, it produced code MUCH slower than the equivalent Fortran code in
two test cases !

What is the current use of Vectoral among the Ames community (especially
Computational Fluid Dynamicists) ? Does Vectoral produce code code
comparable in performance to to that produced by cf77 ? What is the
current version of Vectoral and where can I get more information ?

Is it true that some NAS codes are still written for Vectoral and not cf77 ?

Thanks,


Ramesh Jayaraman			Internet:	ramesh@ncsa.uiuc.edu
NCSA 					Bitnet	:	u13019@ncsagate
4125 Beckman Institute, Drawer 25 	1+(217) 244 -1990 (Voice)
405 N.Mathews Ave., Urbana IL 61801		    -2909 (FAX)
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From: ramesh@ux1.cso.uiuc.edu (Ramesh Jayaraman )
Newsgroups: comp.unix.cray
Subject: VECTORAL Compiler ( from NASA Ames Research Center ?)
Message-ID: <1991Apr12.192433.27857@ux1.cso.uiuc.edu>
Date: 12 Apr 91 19:24:33 GMT
Article-I.D.: ux1.1991Apr12.192433.27857
Sender: usenet@ux1.cso.uiuc.edu (News)
Reply-To: ramesh@ncsa.uiuc.edu (Ramesh Jayaraman )
Organization: National Center for Supercomputing Applications
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