From: tmoran@acm.org
Subject: Re: timeouts
Date: Thu, 26 Aug 2004 21:25:40 GMT
Date: 2004-08-26T21:25:40+00:00 [thread overview]
Message-ID: <nzsXc.315330$a24.276701@attbi_s03> (raw)
In-Reply-To: 8PKdnU4zIcsjqbPcRVn-rA@megapath.net
>... QueryPerformanceCounter leaps forward by large amounts. Depending on how
>Ada.Calendar is written, that can have bizarre effects. I believe that Tom
>Moran created a patch for GNAT's Ada.Calendar for that; ...
See the comp.lang.ada thread containing
> Subject: Re: Problems with a TIMER
>
> Date: 2003-01-28 10:42:28 PST
>
> > The target is a processor x86 Family 6 Model 7 Stepping 3 AT/AT COMPATIBLE
> > The results change if I use video-outputs or not (PUT("START TIMER"),
> > PUT("-"), PUT("TIME OUT") are now commented into the code).
> > Why?
> In what way do the results change? What compiler, OS, and motherboard
> chip set do you have - see MS Knowledgebase article Q274323.
> There was a problem with certain chipsets and MS Windows that caused
> the machine clock to appear to jump forward 2**24 ticks (several seconds)
> if you did multiple clock reads with less than several microseconds
> between them. Gnat 3.15 fixed that, but introduced a new clock error,
> which I reported and they say they've fixed for future versions. Janus
> has a version with the fix, but I don't know about other compilers.
next prev parent reply other threads:[~2004-08-26 21:25 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-18 23:46 timeouts Brian May
2004-08-19 1:03 ` timeouts Jeffrey Carter
2004-08-19 3:10 ` timeouts Brian May
2004-08-19 19:18 ` timeouts Jeffrey Carter
2004-08-22 4:25 ` timeouts Brian May
2004-08-22 11:00 ` timeouts Stephen Leake
2004-08-22 11:29 ` timeouts Brian May
2004-08-22 19:56 ` timeouts Jeffrey Carter
2004-08-27 10:22 ` timeouts Brian May
2004-08-27 10:31 ` Cygwin and gcc-ada 3.4.1 (was Re: timeouts) Jano
2004-09-13 15:05 ` Dr Steve Sangwine
2004-08-27 17:54 ` timeouts Jeffrey Carter
2004-08-28 0:24 ` timeouts Stephen Leake
2004-08-29 0:24 ` timeouts Brian May
2004-08-29 4:40 ` timeouts tmoran
2004-08-29 8:57 ` timeouts Brian May
2004-08-29 17:17 ` timeouts tmoran
2004-08-29 22:37 ` timeouts Brian May
2004-08-29 13:31 ` timeouts Stephen Leake
2004-08-29 22:32 ` timeouts Brian May
2004-08-30 1:06 ` timeouts Stephen Leake
2004-08-30 12:17 ` timeouts Jano
2004-08-19 3:40 ` timeouts Steve
2004-08-22 4:18 ` timeouts Brian May
2004-08-22 12:54 ` timeouts Jeff C,
2004-08-26 1:28 ` timeouts Brian May
2004-08-26 10:00 ` timeouts Pascal Obry
2004-08-26 11:34 ` timeouts Georg Bauhaus
2004-08-26 11:58 ` timeouts Jean-Marc Bourguet
2004-08-26 22:20 ` timeouts Brian May
2004-08-27 18:12 ` timeouts Pascal Obry
2004-08-26 12:30 ` timeouts Stephen Leake
2004-08-26 22:54 ` timeouts Brian May
2004-08-27 1:17 ` timeouts Stephen Leake
2004-08-27 1:31 ` timeouts tmoran
2004-08-27 8:03 ` timeouts Brian May
2004-08-26 13:34 ` timeouts Steve
2004-08-26 14:02 ` timeouts Georg Bauhaus
2004-08-26 23:03 ` SPARK Brian May
2004-08-27 10:11 ` SPARK Georg Bauhaus
2004-08-26 23:20 ` timeouts Brian May
2004-08-27 10:20 ` timeouts Georg Bauhaus
2004-08-26 12:38 ` timeouts Jano
2004-08-26 19:07 ` timeouts Randy Brukardt
2004-08-26 21:25 ` tmoran [this message]
2004-08-26 23:01 ` timeouts Brian May
2004-08-27 0:03 ` timeouts Björn Persson
2004-08-27 9:31 ` timeouts Jano
2004-08-26 22:59 ` timeouts Brian May
2004-08-27 9:58 ` timeouts Jano
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