On Wed, Oct 21, 2009 at 1:23 PM, Ryan May <[email protected]> wrote: > On Wed, Oct 21, 2009 at 11:38 AM, Gregor Thalhammer > <[email protected]> wrote: >> I once wrote a module that replaces the built in transcendental >> functions of numpy by optimized versions from Intels vector math >> library. If someone is interested, I can publish it. In my experience it >> was of little use since real world problems are limited by memory >> bandwidth. Therefore extending numexpr with optimized transcendental >> functions was the better solution. Afterwards I discovered that I could >> have saved the effort of the first approach since gcc is able to use >> optimized functions from Intels vector math library or AMD's math core >> library, see the doc's of -mveclibabi. You just need to recompile numpy >> with proper compiler arguments. > > Do you have a link to the documentation for -mveclibabi? I can't find > this anywhere and I'm *very* interested.
Ah, there it is. Google doesn't come up with much, but the PDF manual does have it: http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc.pdf (It helps when you don't mis-type your search in the PDF). Ryan -- Ryan May Graduate Research Assistant School of Meteorology University of Oklahoma Sent from Norman, Oklahoma, United States _______________________________________________ NumPy-Discussion mailing list [email protected] http://mail.scipy.org/mailman/listinfo/numpy-discussion
