dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Sun, Jul 18, 2010 at 07:00:42PM -0000, Garth Wells wrote:
> Question #117960 on DOLFIN changed:
> https://answers.launchpad.net/dolfin/+question/117960
>
> Garth Wells proposed the following answer:
>
> On 18/07/10 19:56, Anders Logg wrote:
> > On Fri, Jul 16, 2010 at 04:51:28PM -0000, Garth Wells wrote:
> >> Question #117960 on DOLFIN changed:
> >> https://answers.launchpad.net/dolfin/+question/117960
> >>
> >> Garth Wells proposed the following answer:
> >> I have noticed some *major* slow downs in uBLAS lately. I'd say that
> >> there isn't much that we can do about. uBLAS as a project appears
> >> rudderless and not bothered about performance.
> >>
> >> We should seriously consider removing support for uBLAS. We now have
> >> Armadillo available for dense linear algebra, and PETSc can be installed
> >> as package or via Dorsal. The motivations for adding uBLAS now longer
> >> hold.
> >
> > I don't mind removing uBLAS, but perhaps we should wait a little while
> > longer. I remember that we considered removing MTL4 a while back but
> > then it started improving.
> >
>
> True. A difference is that MTL4 is actively mainatined and worries about
> performance. Peter Gottschling responded to our concerns, which is why
> we still support MTL4.
>
> Garth

True, but perhaps uBLAS will shape up. My impression is the Boost
libraries aim for high performance.

--
Anders

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