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Path: utzoo!utgpu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!rpi!sci.ccny.cuny.edu!unmvax!ariel.unm.edu!ghostwheel.unm.edu!john
From: john@ghostwheel.unm.edu (John Prentice)
Newsgroups: alt.sys.sun,comp.lang.fortran
Subject: Re: How Broken is Sun Fortran (Summary)
Message-ID: <1991Feb04.013025.8087@ariel.unm.edu>
Date: 4 Feb 91 01:30:25 GMT
References: <3140@casbah.acns.nwu.edu>
Organization: University of New Mexico Math Dept., Albuquerque, NM
Lines: 62

In article <3140@casbah.acns.nwu.edu> ravi@earth.ce.nwu.edu (Ravi Sinha) writes:
>Thanks for the many replies I received.
>
>The general consensus is that there are bugs in it, but the overall 
>performance is better than that of fortran v1.2.
>
>Bugs:
>o  If an unformatted file of length >8k is created, the program should
>   be created with -Bstatic option.
>
>o  Because of a bug in the SunOS, use of TMPFS filesystems in v1.3 
>   cause problems.  Work-around is to apply the relevant OS patch.
>   <khb@Eng.Sun.COM>
>
>o  Function statements sometime generate bad code.  
>   <p554mve@mpirbn.mpifr-bonn.mpg.de>
>
>Feature:
>o  Can not mix object codes of v1.2 and v1.3.
>
>General Comments:
>o  Most people seemed to be quite pleased with v1.3.1 at patch level 2.
>   The programs seem to run faster with this version of the compiler (will 
>   this change the Mflop rating of our computers? ;).
>
>o  One can also run v1.2 with SunOS 4.1.x.  One can just copy the old compiler 
>   to the new system; or reinstall, and when the installer fails, modify 
>   extract_unbundled in /usr/tmp/unbundled to include 4.1 in supported 
>   OS types, and run *this* installer script.
>
>o  Sun is coming out with a new version of fortran compiler sometime 
>   in spring.
>
>Question to more knowledgeable readers:
>o  While it is possible to combine old (OS4.0.3) c object codes with the 
>   new fortran, why is it not possible to combine v1.2 object codes?  Or 
>   am I mistaken about compatibility with c object codes?
>
>Thanks to the following people for responses:
>roberto@bondi.phyast.pitt.edu (Roberto Gomez)
>john@ghostwheel.unm.edu (John Prentice)
>khb@Eng.Sun.COM (Keith Bierman fpgroup)
>Scott Lamson <lamson@el1.crd.ge.com>
>Dieterich Erwin
>	<erwin%suncvt12.verfahrenstechnik.uni-stuttgart.de@RELAY.CS.NET>
>black@seismo.CSS.GOV (Mike Black)
>dgh@validgh.com (David G. Hough on validgh)
>rfinch@locke.water.ca.gov (Ralph Finch)
>opto!glen@gatech.edu (Glen Clark)
>p554mve@mpirbn.mpifr-bonn.mpg.de (Michael van Elst)
>unocal!stssram@sunkist.West.Sun.COM (Bob Myers)
>
>---------------------------------------------------------------------
>Ravi Sinha			|  As usual, the opinions here 
>Northwestern University		|  are mine, and only mine.
>ravi@earth.ce.nwu.edu		|  Who'd want to claim these anyway?


--
John K. Prentice    john@unmfys.unm.edu (Internet)
Dept. of Physics and Astronomy, University of New Mexico, Albuquerque, NM, USA
Computational Physics Group, Amparo Corporation, Albuquerque, NM, USA