Re: [MLUG] Resources for intro to C programming

[Mark Rages <EMAIL:PROTECTED>]

On 2/6/06, Stephen Montgomery-Smith <EMAIL:PROTECTED> wrote:
> Phillip Kelchen wrote:
> > On Monday 06 February 2006 20:59, Stephen Montgomery-Smith wrote:
> >
> > If you need high speed code (and fluids simulations generally do) and
> >
> > you are using Intel hardware, try out the Intel C, C++ and Fortran
> >
> > compilers. They are free for non-commercial use. I have used the Linux
> >
> > versions, but I think that they also have Windows versions, although I
> >
> > am not certain what the licensing for these versions is.
> >
> > Stephen
> >
> > I used Intel's Fortran compiler to compile Octave, and it works like a
> > charm for my P4-M. But the computers that have to run this code are AMD
> > Athlon XPs and not Intel chips, so I bet it will be made with gcc.
> > Doesn't AMD have a compiler for its chips or do they just use
> > Microsoft's C/C++ compilers and gcc? I cannot seem to remember whether
> > they do or not.
>
> I haven't heard of any special AMD compilers.
>
>

Actually, the Intel compilers make great code for AMD chips, but they
check the processor type at runtime and run unoptimized x86 code on
AMD.

This can be worked around, however.  See
http://www.swallowtail.org/naughty-intel.html

And I read (on slashdot, so it's probably bogus) that instead of
making their own optimizing compiler,  AMD had engineers contributing
to GCC 4.

Regards,
Mark
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