I thought OpenBLAS is usually used with reference lapack? On 28 Mar 2014 22:16, "Matthew Brett" <matthew.br...@gmail.com> wrote:
> Hi, > > On Fri, Mar 28, 2014 at 1:28 PM, Sturla Molden <sturla.mol...@gmail.com> > wrote: > > Nathaniel Smith <n...@pobox.com> wrote: > > > >> If the only problem with eigen turns out to be that we have to add a > line > >> of text to a file then I think we can probably manage this somehow. > > > > We would also have to compile Eigen-BLAS for various architectures and > CPU > > counts. It is not "adaptive" like MKL or OpenBLAS. > > Yes, I guess we currently have no idea how bad a default Eigen would be. > > We also have the soft constraint that any choice we make should also > work for building scipy binaries - so adequate lapack coverage. > > I believe that means lapack_lite is not an option? > > So I guess the options are: > > * eigen - could it be slow? > * openblas - could it be buggy? > * reference blas / lapack [1] [2] [3] > > In [2] someone seems to be getting very good performance from the > reference implementation. > > I guess we need to benchmark these guys on some standard systems, and > decide how bad the performance / stability has to be before it's > better not to provide binaries at all. > > Cheers, > > Matthew > > [1] http://icl.cs.utk.edu/lapack-for-windows/lapack/ > [2] > http://ylzhao.blogspot.com/2013/10/blas-lapack-precompiled-binaries-for.html > [3] http://www.fi.muni.cz/~xsvobod2/misc/lapack/ > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion >
_______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
