[Numpy-discussion] Unnecessarily bad performance of elementwise operators with Fortran-arrays

Sebastian Haase haase@msg.ucsf....
Fri Nov 9 07:06:34 CST 2007


On Nov 9, 2007 1:43 PM, Hans Meine <meine@informatik.uni-hamburg.de> wrote:
> Am Freitag, 09. November 2007 13:04:24 schrieb Sebastian Haase:
<snip>
> Of course, we want to have the same order in both languages in order to
> facilitate porting algorithms after rapid prototyping.
>

Yes, I understand your situation.


> > "Inverse" only refers to the common (alphabetecally oriented)
> > intuition to say "at point x,y,z" rather than "z,y,x".
>
> Yes, this is the typical notation for coordinates and vectors.  Nobody would
> write (z, y, x) vectors. ;-)

This is of course my fate now - you have to choose your poisson. ;-)
I find it worse having to think in Fortran-order ...

That's were I was saying "I hope I wasn't misguided"

Cheers,
Sebastian


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