std.math performance (SSE vs. real)
Russel Winder via Digitalmars-d
digitalmars-d at puremagic.com
Sat Jun 28 04:00:28 PDT 2014
On Fri, 2014-06-27 at 15:04 +0200, dennis luehring via Digitalmars-d
wrote:
> Am 27.06.2014 14:20, schrieb Russel Winder via Digitalmars-d:
> > On Fri, 2014-06-27 at 11:10 +0000, John Colvin via Digitalmars-d wrote:
> > [âŠ]
> >> I understand why the current situation exists. In 2000 x87 was
> >> the standard and the 80bit precision came for free.
> >
> > Real programmers have been using 128-bit floating point for decades. All
> > this namby-pamby 80-bit stuff is just an aberration and should never
> > have happened.
>
> what consumer hardware and compiler supports 128-bit floating points?
None but what has that do do with the core problem being debated?
The core problem here is that no programming language has a proper type
system able to deal with hardware. C has a hack, Fortran as a less
problematic hack. Go insists on float32, float64, etc. which is better
but still not great.
--
Russel.
=============================================================================
Dr Russel Winder t: +44 20 7585 2200 voip: sip:russel.winder at ekiga.net
41 Buckmaster Road m: +44 7770 465 077 xmpp: russel at winder.org.uk
London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder
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