From: "David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>
Subject: Re: Ada95 speed
Date: 1999/06/04
Date: 1999-06-04T00:00:00+00:00 [thread overview]
Message-ID: <7j9g6f$ies@hobbes.crc.com> (raw)
In-Reply-To: 37582CA5.987F1E85@gte.net
Clifford J. Nelson wrote in message <37582CA5.987F1E85@gte.net>...
>
>
>Robert Dewar wrote:
>
>> In article <3753DA33.F2E088A0@gte.net>,
>> cnelson9@gte.net wrote:
>>
>> > It took a few micro seconds to display the
>> > result of the computations.
>>
>> No, that's obviously wrong, presumably this is a misprint
>> for milliseconds (remember that the scan speed of typical
>> displays of the period was 30-60Hz)
>>
>> Sent via Deja.com http://www.deja.com/
>> Share what you know. Learn what you don't.
>
>It it right. It took a few micro seconds while the video mapped memory
>pointer was updated. Am I the only one who remembers this stuff?
>
Well, I guess it depends on what is meant by "display." Even if the memory
pointer were instantaneously updated, the display would have taken 16.67
milliseconds to scan the video memory to render it visible.
Furthermore, all that aside, those machines were typically only capable of
running one process -- i.e., no multitasking, and hence could allow a
program full access to the hardware.
Today's operating systems must manage resource sharing, etc., so
we're not really comparing like with like here.
next prev parent reply other threads:[~1999-06-04 0:00 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <374182F2.B10AD449@Maths.UniNe.CH>
1999-05-18 0:00 ` Ada95 speed Tom Moran
1999-05-18 0:00 ` Gautier
1999-05-19 0:00 ` Robert Dewar
1999-05-20 0:00 ` Clifford J. Nelson
1999-05-20 0:00 ` Tucker Taft
1999-05-20 0:00 ` Tom Moran
1999-05-20 0:00 ` Tom Moran
1999-05-21 0:00 ` Tom Moran
1999-05-31 0:00 ` James E. Hopper
1999-06-01 0:00 ` Clifford J. Nelson
1999-06-01 0:00 ` James E. Hopper
1999-06-02 0:00 ` Clifford J. Nelson
1999-06-04 0:00 ` Clifford J. Nelson
1999-06-02 0:00 ` James E. Hopper
1999-06-02 0:00 ` Clifford J. Nelson
1999-06-02 0:00 ` James E. Hopper
1999-06-02 0:00 ` Clifford J. Nelson
1999-06-02 0:00 ` Gautier
1999-06-02 0:00 ` John B. Matthews, M.D.
1999-06-03 0:00 ` Ada95 speed (wandering off topic slightly) Dale Stanbrough
1999-06-03 0:00 ` Larry Kilgallen
1999-06-04 0:00 ` Aidan Skinner
1999-06-02 0:00 ` Ada95 speed John B. Matthews, M.D.
1999-06-02 0:00 ` Clifford J. Nelson
1999-06-02 0:00 ` Robert Dewar
1999-06-04 0:00 ` Clifford J. Nelson
1999-06-04 0:00 ` David C. Hoos, Sr. [this message]
1999-06-04 0:00 ` Ole-Hjalmar Kristensen
1999-06-01 0:00 ` Clifford J. Nelson
1999-06-01 0:00 ` James E. Hopper
1999-06-02 0:00 ` Robert Dewar
1999-06-04 0:00 ` Clifford J. Nelson
1999-06-05 0:00 ` Robert Dewar
1999-06-03 0:00 ` Robert I. Eachus
1999-05-31 0:00 ` Gautier
1999-05-19 0:00 ` Robert Dewar
1999-06-07 0:00 Robert I. Eachus
1999-06-07 0:00 ` tmoran
-- strict thread matches above, loose matches on Subject: below --
1999-06-06 0:00 tmoran
1999-06-06 0:00 ` Robert Dewar
1999-06-06 0:00 tmoran
1999-06-06 0:00 ` David C. Hoos, Sr.
1999-06-06 0:00 ` tmoran
1999-06-07 0:00 ` Robert Dewar
1999-06-06 0:00 ` David C. Hoos, Sr.
1999-06-07 0:00 ` Robert Dewar
1999-06-06 0:00 ` Brian Rogoff
1999-06-05 0:00 tmoran
1999-06-05 0:00 ` Al Christians
1999-06-05 0:00 ` David C. Hoos, Sr.
1999-06-05 0:00 tmoran
1999-06-05 0:00 ` Robert Dewar
1999-06-05 0:00 ` Ehud Lamm
1999-06-05 0:00 ` William Starner
1999-06-05 0:00 ` Ehud Lamm
1999-06-05 0:00 ` Clifford J. Nelson
1999-06-06 0:00 ` David Botton
1999-06-06 0:00 ` Ehud Lamm
1999-06-07 0:00 ` Robert Dewar
1999-06-07 0:00 ` Ehud Lamm
1999-05-18 0:00 Clifford J. Nelson
1999-05-17 0:00 ` David Starner
1999-05-18 0:00 ` Clifford J. Nelson
1999-05-18 0:00 ` Florian Weimer
1999-05-18 0:00 ` Larry Kilgallen
1999-05-18 0:00 ` Tucker Taft
1999-05-18 0:00 ` Clifford J. Nelson
1999-05-20 0:00 ` Tom Moran
1999-05-21 0:00 ` Clifford J. Nelson
1999-05-21 0:00 ` Tom Moran
1999-05-21 0:00 ` Clifford J. Nelson
1999-05-21 0:00 ` Tom Moran
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