From: easter@rd.bbc.co.uk (Jim Easterbrook)
Subject: Re: GNAT: Storage size?
Date: 1996/07/05
Date: 1996-07-05T00:00:00+00:00 [thread overview]
Message-ID: <4rirf4$qn6@bbcnews.rd.bbc.co.uk> (raw)
In-Reply-To: dewar.836481757@schonberg
In article <dewar.836481757@schonberg>, 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 <jim.easterbrook@rd.bbc.co.uk>
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 ***
next prev parent reply other threads:[~1996-07-05 0:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
1996-07-04 0:00 GNAT: Storage size? Joerg Rodemann
1996-07-04 0:00 ` Robert Dewar
1996-07-05 0:00 ` Jim Easterbrook [this message]
1996-07-06 0:00 ` Laurent Guerby
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