Re: [eigen] Performance comparision between static and dynamic arrays

[Mani chandra <mchandra@xxxxxxxxxx>]

 Thanks!

Mani chandra


On 06/27/2010 10:28 PM, Benoit Jacob wrote:
> absolutely zero advantage, except if you are specifically interested
> in studying stack overflows ;-)
>
> 2010/6/27 Mani chandra<mchandra@xxxxxxxxxx>:
> >   Hi,
> >
> >     I'm interested in matrices of the order of 64^3, 128^3 and 256^3. Do you
> > think there is advantage in going for static arrays?
> >
> > Regards,
> > Mani chandra
> > On 06/27/2010 10:20 PM, Benoit Jacob wrote:
> > > Yes, for very small sizes, the difference can be huge, not only
> > > because of malloc, but also because fixed sizes allow to unroll loop.
> > >
> > > Benoit
> > >
> > > 2010/6/27 Mani chandra<mchandra@xxxxxxxxxx>:
> > > >   Dear Eigen devs,
> > > >
> > > >     Is there a significant performance difference between statically and
> > > > dynamically allocated arrays in Eigen?
> > > >
> > > > Regards,
> > > > Mani chandra