On Fri, Dec 6, 2013 at 9:37 PM, David Cournapeau <courn...@gmail.com> wrote:
> > > > On Fri, Dec 6, 2013 at 8:28 PM, Oscar Benjamin <oscar.j.benja...@gmail.com > > wrote: > >> On 6 December 2013 20:09, Chris Barker <chris.bar...@noaa.gov> wrote: >> >> 2. in the absence of statistics, can we do an experiment by putting one >> >> wheel up on PyPi which contains SSE3 instructions, for python 3.3 I >> propose, >> >> and seeing for how many (if any) users this goes wrong? >> > >> > >> > sounds good -- it looks like SSE3 has been around a good while: >> > >> > http://en.wikipedia.org/wiki/SSE3 >> > >> > 8+ years is a pretty long time in computer land! >> > >> > anyone know how long SSE3 has been around? >> >> I don't have statistics but I do have a couple of data points. Both of >> the computers I regularly use (my work desktop and my girlfriend's >> laptop) have SSE2 but not SSE3. >> >> Really I'm not sure that releasing a potentially compatible binary - >> with no install time checks - is such a good idea. What we really want >> is a situation where you can confidently advise someone to just "pip >> install numpy" without caveats i.e. a solution that "just works". >> > > agreed. > > Also, we should not lie to ourselves: our current ATLAS on windows are > most likely not very efficient anyway, SSE or not. > > Ralf, you mentioned that openblas was problematic on windows ? I could not > find any recent discussion on that list. > I didn't mean specifically on Windows. I based that on comments like: https://github.com/numpy/numpy/issues/4007#issuecomment-27688947 http://article.gmane.org/gmane.comp.python.scientific.devel/18098 https://github.com/numpy/numpy/issues/3545 Ralf
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