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From: "David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>
Subject: Re: Matrix Multiplication
Date: 1999/12/14
Date: 1999-12-14T21:31:01+00:00	[thread overview]
Message-ID: <836cul$djp$1@hobbes2.crc.com> (raw)
In-Reply-To: 385699B5.59C14D03@lmco.com


William Dale <william.dale.jr@lmco.com> wrote in message
news:385699B5.59C14D03@lmco.com...
> OK,
> I was challenged by one of my co-workers - a control and guidance type -
> not a real software engineer.
>
> His claim  : "Fortran is faster doing floating point multiplication than
> Ada"
>
> I could not get any other specifications such as hardware, particular
> compiler, version, vendor, special math libraries or any other
> equivocations.  Just he
> claims the above in all cases.
>
> So could I get some help getting times for a Matrix inversion on a 50X50
> flotaing point matrix in both languages.  Anyone already done these
> types of tests? Any sugestions on special libraries that he may not know
> about to do such things in Ada. Obviously he has the Fortan side nailed.
>
> I know it is silly but this is the kind of FUD that gets thown around
> all the time.  Either language could win - it depends on many of the
> above issues.

Well... any meaningful comparison could only be drawn if both subprograms
were implementing the same algorithm.






  parent reply	other threads:[~1999-12-14  0:00 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-12-14  0:00 Matrix Multiplication William Dale
1999-12-14  0:00 ` Gautier
     [not found]   ` <5l1f5s4kck891a2s6o8bhvkirm4q79hm6c@4ax.com>
1999-12-15  0:00     ` Gautier
1999-12-15  0:00       ` Marin D. Condic
1999-12-15  0:00         ` Gautier
1999-12-16  0:00           ` Marin D. Condic
1999-12-27  0:00             ` Jeffrey L Straszheim
1999-12-15  0:00         ` Ted Dennison
1999-12-15  0:00           ` Gautier
1999-12-15  0:00             ` Tucker Taft
1999-12-16  0:00             ` Ted Dennison
1999-12-16  0:00             ` Ted Dennison
1999-12-15  0:00   ` Gautier
1999-12-14  0:00 ` David C. Hoos, Sr. [this message]
1999-12-15  0:00 ` Greg Lindahl
1999-12-15  0:00   ` Preben Randhol
     [not found] ` <01bf4708$99ef98f0$022a6282@dieppe>
1999-12-15  0:00   ` Robert A Duff
1999-12-15  0:00     ` Marin D. Condic
1999-12-16  0:00     ` Pascal Obry
1999-12-16  0:00       ` Brian Rogoff
1999-12-16  0:00       ` Greg Martin
1999-12-16  0:00     ` Dieter Britz
1999-12-15  0:00   ` Gautier
1999-12-15  0:00 ` E. Robert Tisdale
     [not found]   ` <3856FD3F.8291A71C@ucar.edu>
1999-12-15  0:00     ` E. Robert Tisdale
1999-12-14  0:00       ` Richard Maine
1999-12-15  0:00 ` Ted Dennison
1999-12-15  0:00   ` William B. Clodius
1999-12-15  0:00     ` Ted Dennison
1999-12-15  0:00       ` William B. Clodius
1999-12-16  0:00         ` Robert A Duff
1999-12-16  0:00           ` William B. Clodius
  -- strict thread matches above, loose matches on Subject: below --
1999-12-15  0:00 Carlisle, Martin
1999-12-15  0:00 ` Mario Klebsch
1999-12-19  0:00   ` Robert Dewar
1999-12-19  0:00 ` Robert Dewar
1999-12-19  0:00 ` Robert Dewar
1999-12-16  0:00 Carlisle, Martin
1999-12-16  0:00 ` Howard W. LUDWIG
     [not found] <637de084-0e71-4077-a1c5-fc4200cad3cf@googlegroups.com>
2012-07-10  8:39 ` Does Ada need elemental functions to make it suitable for scientific work? Nasser M. Abbasi
2012-07-10  9:07   ` Dmitry A. Kazakov
2012-07-12  0:31     ` robin.vowels
2012-07-12  7:12       ` Dmitry A. Kazakov
2012-07-29 13:39         ` Robin Vowels
2012-07-29 14:22           ` Dmitry A. Kazakov
2012-07-29 20:54             ` glen herrmannsfeldt
     [not found]               ` <apib1897s56dkultqmfl3emvk1os3tfdak@invalid.netcom.com>
2012-07-30  4:15                 ` glen herrmannsfeldt
     [not found]                   ` <nfhd181tv9u87mcqfb7rgd8lm48ihr9f4r@invalid.netcom.com>
2012-07-31  8:53                     ` MATRIX MULTIPLICATION Robin Vowels
2012-07-31  9:05                       ` Robin Vowels
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