From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,20b04d47a7bf2be2 X-Google-Attributes: gid103376,public From: easter@rd.bbc.co.uk (Jim Easterbrook) Subject: Re: GNAT: Storage size? Date: 1996/07/05 Message-ID: <4rirf4$qn6@bbcnews.rd.bbc.co.uk>#1/1 X-Deja-AN: 163825329 references: <4rfrqa$6d0@rigel.rz.uni-ulm.de> organization: British Broadcasting Corporation, UK newsgroups: comp.lang.ada Date: 1996-07-05T00:00:00+00:00 List-Id: In article , Robert Dewar (dewar@cs.nyu.edu) wrote: : Joerg said : : "I am doing some matrix diagonalization using Ada-95 for the big frame of : my programs and Fortran-77 for most of the matrix routines. Currently I am : working under HP UX 9.05 (we're upgrading to 10.10 during the next months, : I hope...). Since my matrices become quite large (at the moment 900x900 : fortran double precision) I encountered a problem with GNAT. I think there : is a simple solution to the problem, but have no idea were to look for it:" : : Without the slightest idea of what you are doing in detail, neither do we : (have any idea where to look for it). It's possible you are exceeding : stack limits, but without sample source code it is impossible to guess : what might be wrong. Try to narrow down a simple example of something : that does not work, and send it along to report@gnat.com. This might : be a bug in GNAT, but I doubt it, it is unlikely that there is a bug : selectively affecting large arrays, but anyway, without source, we cannot : do anything more. This sounds very like a problem I encountered when using GNAT for picture processing programs on SunOS. I was getting segmentation violation errors when processing large pictures. The cure was to set a larger stack limit with "ulimit". -- Jim Easterbrook Senior R & D Engineer, Studio Section | PGP key available BBC Research & Development | Phone: +44 1737 836530 Kingswood Warren, Tadworth | Fax: +44 1737 836665 Surrey KT20 6NP, UK | *** All opinions are mine and are not necessarily shared by the BBC ***