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From: dewar@merv.cs.nyu.edu (Robert Dewar)
Subject: Re: CRC in Ada?
Date: 1997/03/07
Date: 1997-03-07T00:00:00+00:00	[thread overview]
Message-ID: <dewar.857749774@merv> (raw)
In-Reply-To: E6n850.3Ct@world.std.com


iRobert Duff says

<<OK, but where do you draw the line?  Suppose I'm trying to write
portable software.  I measure the performance on my current
OS/compiler/libraries, and it's fine.  Can I assume that it will still
perform as expected on any other platform?
>>

No, you can't, but you are expected to have a good feel for what is
efficient and what is not efficient over a wide range of platforms if
you are trying to write portable code that is efficient. This is one
of the skills that is required for writing such code. Yes, it is VERY
hard to acquire this skill and the knowledge base required to support it!!





  reply	other threads:[~1997-03-07  0:00 UTC|newest]

Thread overview: 143+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-03-02  0:00 CRC in Ada? Dr. John B. Matthews
1997-03-03  0:00 ` Tom Moran
1997-03-03  0:00 ` David Brown
1997-03-04  0:00 ` David L Brown
1997-03-04  0:00   ` Robert Dewar
1997-03-05  0:00   ` Stephen Garriga
1997-03-05  0:00     ` Larry Kilgallen
1997-03-05  0:00       ` Robert A Duff
1997-03-05  0:00         ` Larry Kilgallen
1997-03-06  0:00           ` Robert A Duff
1997-03-06  0:00             ` Robert Dewar
1997-03-09  0:00               ` Dr. John B. Matthews
1997-03-06  0:00             ` Robert Dewar
1997-03-06  0:00             ` Robert Dewar
1997-03-06  0:00             ` Larry Kilgallen
1997-03-06  0:00           ` Fergus Henderson
1997-03-06  0:00             ` Robert Dewar
1997-03-06  0:00             ` Larry Kilgallen
1997-03-06  0:00               ` Robert A Duff
1997-03-07  0:00                 ` Robert Dewar [this message]
1997-03-07  0:00                 ` Larry Kilgallen
1997-03-07  0:00                   ` Tom Moran
     [not found]                     ` <1997Mar7.202252.1@eisner>
1997-03-08  0:00                       ` Robert Dewar
1997-03-09  0:00                         ` Geert Bosch
1997-03-11  0:00                           ` Robert Dewar
1997-03-12  0:00                             ` Mats Weber
1997-03-12  0:00                               ` Robert Dewar
1997-03-10  0:00                     ` Dr. John B. Matthews
1997-03-10  0:00                     ` Robert Dewar
1997-03-10  0:00                       ` Tom Moran
1997-03-12  0:00                         ` Robert Dewar
1997-03-07  0:00                   ` Robert A Duff
1997-03-10  0:00                   ` Jim Balter
1997-03-10  0:00               ` Jim Balter
1997-03-10  0:00           ` David Brown
1997-03-12  0:00             ` Robert Dewar
1997-03-10  0:00           ` Tarjei Jensen
1997-03-10  0:00             ` Robert Dewar
1997-03-10  0:00             ` Robert Dewar
1997-03-10  0:00               ` Graham Hughes
1997-03-11  0:00                 ` Robert Dewar
1997-03-11  0:00                   ` Graham Hughes
1997-03-12  0:00                     ` Robert Dewar
1997-03-11  0:00           ` Mark & Zurima McKinney
1997-03-12  0:00           ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-12  0:00           ` Robert I. Eachus
1997-03-13  0:00           ` Jon S Anthony
1997-03-13  0:00             ` Robert Dewar
1997-03-14  0:00               ` Jim Balter
1997-03-14  0:00           ` Jon S Anthony
1997-03-15  0:00             ` Dr. John B. Matthews
1997-03-15  0:00             ` Robert Dewar
1997-03-17  0:00           ` Jon S Anthony
1997-03-06  0:00       ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-07  0:00       ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-07  0:00         ` Robert Dewar
1997-03-08  0:00           ` Robert A Duff
1997-03-10  0:00           ` Jim Balter
1997-03-11  0:00             ` Robert Dewar
1997-03-11  0:00               ` Jim Balter
1997-03-11  0:00                 ` Robert Dewar
1997-03-12  0:00                   ` Jim Balter
1997-03-14  0:00                     ` Richard A. O'Keefe
1997-03-14  0:00                       ` Jim Balter
1997-03-06  0:00   ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-06  0:00     ` Larry Kilgallen
1997-03-09  0:00       ` Robert Dewar
1997-03-06  0:00     ` Graham Hughes
1997-03-06  0:00       ` Robert Dewar
1997-03-07  0:00   ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-07  0:00   ` David Brown
1997-03-07  0:00   ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-07  0:00     ` Robert Dewar
1997-03-08  0:00       ` Fergus Henderson
1997-03-10  0:00       ` Jim Balter
1997-03-11  0:00         ` Robert Dewar
1997-03-11  0:00           ` Jim Balter
1997-03-11  0:00             ` Robert Dewar
1997-03-12  0:00               ` Jim Balter
1997-03-11  0:00           ` Jim Balter
1997-03-12  0:00             ` Robert Dewar
1997-03-12  0:00               ` Jim Balter
1997-03-14  0:00                 ` Samuel Mize
1997-03-10  0:00   ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-10  0:00   ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-10  0:00     ` Robert Dewar
1997-03-10  0:00       ` Jim Balter
1997-03-11  0:00         ` Robert Dewar
1997-03-11  0:00           ` Jim Balter
1997-03-11  0:00             ` Robert Dewar
1997-03-12  0:00               ` Jim Balter
1997-03-11  0:00       ` Fergus Henderson
1997-03-11  0:00   ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-12  0:00   ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-12  0:00   ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1997-03-12  0:00   ` Jim Balter
1997-03-04  0:00 ` Stephen Garriga
1997-03-04  0:00   ` Matthew Heaney
1997-03-04  0:00   ` Tom Moran
1997-03-04  0:00     ` Stephen Garriga
1997-03-04  0:00   ` Robert Dewar
1997-03-05  0:00     ` Stephen Garriga
1997-03-15  0:00     ` Michael & Amy Hartsough
1997-03-16  0:00       ` Robert Dewar
1997-03-16  0:00         ` Michael & Amy Hartsough
1997-03-16  0:00           ` Robert Dewar
1997-03-18  0:00             ` Michael & Amy Hartsough
1997-03-19  0:00               ` Robert Dewar
1997-03-20  0:00                 ` Michael & Amy Hartsough
1997-03-22  0:00                   ` Mark & Zurima McKinney
1997-03-22  0:00                     ` Robert Dewar
1997-03-22  0:00                   ` Robert Dewar
1997-03-24  0:00                     ` Sequential IO on OpenVMS (was: CRC in Ada?) Ken Garlington
1997-03-24  0:00                       ` Larry Kilgallen
1997-03-21  0:00                 ` CRC in Ada? Tom Moran
1997-03-23  0:00                   ` Robert Dewar
1997-03-23  0:00                     ` Tom Moran
1997-03-24  0:00                       ` Portable Code (was: CRC in Ada?) Larry Kilgallen
1997-03-24  0:00                     ` CRC in Ada? Robert A Duff
1997-03-24  0:00                       ` Robert Dewar
1997-03-24  0:00                       ` Robert A Duff
1997-03-24  0:00                       ` Larry Kilgallen
1997-03-24  0:00                         ` Robert A Duff
1997-03-25  0:00                     ` Robert I. Eachus
1997-04-01  0:00                 ` David Emery
1997-03-07  0:00   ` John Apa
1997-03-04  0:00 ` Jon S Anthony
1997-03-05  0:00   ` Robert Dewar
1997-03-05  0:00 ` Laurent Pautet
1997-03-05  0:00 ` David C. Hoos, Sr.
1997-03-06  0:00 ` Jon S Anthony
2013-11-14 17:39 ` david
2013-11-14 18:55   ` Adam Beneschan
2013-11-14 19:35   ` tmoran
2013-11-14 20:09   ` Dmitry A. Kazakov
2013-11-14 20:40   ` John B. Matthews
  -- strict thread matches above, loose matches on Subject: below --
1997-03-13  0:00 tmoran
1997-03-13  0:00 ` Robert Dewar
1997-03-14  0:00   ` Tom Moran
1997-03-14  0:00   ` Joakim Olsson
1997-03-15  0:00   ` Tom Moran
1997-03-14  0:00 ` Jon S Anthony
1997-03-14  0:00 ` Richard A. O'Keefe
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