On 2012-03-13 09:50, Simon King wrote: > So, can I assume that when I install PPL and CLooG on my machine, then > my system's gcc would be able to use the loop optimizer? Or would I > then also need to rebuild gcc? Yes, you need to rebuild GCC.
> Or: If the user happens to have CLooG, would our gcc spkg > automatically support the loop optimization? No. I guess we could support an optional CLooG spkg in Sage. But I first want to concentrate on having a basic GCC spkg which works (it still needs_review at #12369). Extra features like this can still be added later. > And if I'd like to test something like "-march=native" mentioned by > Purkayastha, can I set some environment variable such that building a > Cython extension would be built with -march=native? Try CFLAGS="-O3 -march=native" CXXFLAGS="-O3 -march=native" and see if that works. -- To post to this group, send an email to [email protected] To unsubscribe from this group, send an email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
