On 2009-07-08, Stéfan van der Walt <ste...@sun.ac.za> wrote: > I know very little about cache optimality, so excuse the triviality of > this question: Is it possible to design this loop optimally (taking > into account certain build-time measurable parameters), or is it the > kind of thing that can only be discovered by tuning at compile-time? > ATNumPy... scary :-)
I'm still kind of hoping that it's possible to make some minimal assumptions about CPU caches in general, and have a rule that decides a code path that is good enough, if not optimal. I don't think we want to go the ATNumPy route, or even have tunable parameters chosen at build or compile time. (Unless, of course, we want to bring a monster into the world -- think about cross-breeding distutils with the ATLAS build system :) -- Pauli Virtanen _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
