From: Craig Carey <research@ijs.co.nz>
Subject: Re: Memory limits in Ada where Fortran has none
Date: Wed, 09 Mar 2005 16:39:34 +1300
Date: 2005-03-09T16:39:34+13:00 [thread overview]
Message-ID: <inrs21p0me8tu682jjus7ujpc90ejnomsf@4ax.com> (raw)
In-Reply-To: pan.2005.03.08.11.25.00.810114@linuxchip.demon.co.uk.uk.uk
On Tue, 08 Mar 2005 11:24:42 GMT, "Dr. Adrian Wrigley" wrote:
>On Sun, 06 Mar 2005 19:05:21 -0500, Robert A Duff wrote:
...
>I am very wary of a test like this because GNAT sometimes
>silently accesses the wrong element of very large data, if I
>remember correctly. A correctly written program can (and did!)
>thus fail catastrophically. Large records in particular are
>suspect (on GNAT 3.15p, x86). (I have no test case to hand
...
It might be a bug in the memory paging code. What's the OS ?.
The Internet does have reports on how Linux gets bytes wrong when
copying files across a disk. Maybe the filesystem the paging is
done to, is a possible cause.
-- Craig
next prev parent reply other threads:[~2005-03-09 3:39 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-06 0:54 Memory limits in Ada where Fortran has none braver
2005-03-06 1:09 ` Jeff C
2005-03-06 6:18 ` braver
2005-03-06 9:26 ` Martin Krischik
2005-03-06 16:14 ` braver
2005-03-06 16:28 ` Jeff C
2005-03-06 23:09 ` Craig Carey
2005-03-07 0:36 ` braver
2005-03-07 5:55 ` braver
2005-03-08 5:35 ` braver
2005-03-06 14:09 ` Stephen Leake
2005-03-06 9:33 ` Martin Krischik
2005-03-06 22:13 ` Gerald
2005-03-06 23:01 ` Dr. Adrian Wrigley
2005-03-07 0:31 ` braver
2005-03-07 12:47 ` Dr. Adrian Wrigley
2005-03-07 9:41 ` Martin Krischik
2005-03-07 11:59 ` Dr. Adrian Wrigley
2005-03-07 12:26 ` Martin Krischik
2005-03-07 0:05 ` Robert A Duff
2005-03-07 18:04 ` braver
2005-03-16 19:41 ` Robert A Duff
2005-03-17 18:49 ` Martin Krischik
2005-03-08 11:24 ` Dr. Adrian Wrigley
2005-03-09 3:39 ` Craig Carey [this message]
2005-03-16 17:39 ` Craig Carey
2005-03-16 19:51 ` Robert A Duff
2005-03-16 23:47 ` Dr. Adrian Wrigley
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