On Fri, 22 Dec 2006, Matthew Knepley wrote: > > 1. Is Intel MKL much faster than the downloaded BLAS/LAPACK? Or is it true > > only for really large problem? Is ATLAS a good alternative too?
> This depends heavily on the architecture and on the BLAS operations > used. I don't think it much faster, but Satish may know better. Yeah - MKL will be faster. But I don't think one should worry about it for noral use. However if you are interested in obtaining the best performance numbers - perhaps for publishing results - one of the optimzations could be choosing blas with best performance. [higher performing compilers is another choice one could make etc..] > > 2. Can shared library be use in win32? I tried using --with-shared > > but after ./configure it still reports shared library disabled > No, we never had the time/manpower to implement the completely > different Windows paradigm for dynamic libraries. There is a way to build .dll files with cygwin gcc/g77 - but this process is not automated [requires a bit of manual tweaking to get this working]. Satish
