SIMD benchmark

[Manu]

On 15 January 2012 20:10, Iain Buclaw <ibuclaw at ubuntu.com> wrote:

> On 15 January 2012 16:59, Iain Buclaw <ibuclaw at ubuntu.com> wrote:
> > On 15 January 2012 06:56, Walter Bright <newshound2 at digitalmars.com>
> wrote:
> >> I get a 2 to 2.5 speedup with the vector instructions on 64 bit Linux.
> >> Anyhow, it's good enough now to play around with. Consider it alpha
> quality.
> >> Expect bugs - but make bug reports, as there's a serious lack of source
> code
> >> to test it with.
> >
> > I get 20+ speedup without optimisations with GDC on that small test. :)
> >
>
> Correction, 1.5x speed up without, 20x speed up with -O1, 30x speed up
> with -O2 and above.  My oh my...


Oh my indeed.
Haha, well I'm sure that's a fairly artificial result, but yes, this is why
I've been harping on for months that it's a bare necessity to provide
language support :P
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