Subject: Re: [ublas] GSOC 2013
From: Riccardo Rossi (rrossi_at_[hidden])
Date: 2013-03-23 17:29:35
just to comment that right now matrices are by default row-riented
as it is normal in c/c++,
so be careful because if you were to change this default to column
oriented you would orribly
affect the performance of all existing applications...
On Sat, Mar 23, 2013 at 1:47 PM, David Bellot <david.bellot_at_[hidden]>wrote:
> Hi guys,
> I proposed a Google Summer of Code project for uBLAS.
> It's based on the wish list that has been done some time ago a long time
> The main idea is to refactor vector into matrix to have only one internal
> and external representation, one set of algorithm. As a convenience, the
> class vector<> will still exist and will, for example, be by default a
> row-vector (like a simple C-array would be). Or a column-vector if we
> prefer but I think matlab is row-oriented by default (and I hate R which
> is column oriented, even if I use it every single day at work !!! :-D :-D
> ah ah ah ah ! Let the flame war begin).
> OK, the idea behind this is to have a clean framework to enable
> optimization based on SSE, Neon, multi-core, ... you name it.
> I'm sure the student who will work on that will take inspiration from boos
> t::bindings, Eigen, Armadillo, etc...
> The project is very open, so suggestions are most welcome.
> ublas mailing list
> Sent to: rrossi_at_[hidden]
-- Dr. Riccardo Rossi, Civil Engineer Member of Kratos Team International Center for Numerical Methods in Engineering - CIMNE Campus Norte, Edificio C1 c/ Gran CapitÃ¡n s/n 08034 Barcelona, EspaÃ±a Tel: (+34) 93 401 56 96 Fax: (+34) 93.401.6517 web: www.cimne.com