On Wed, Apr 27, 2011 at 10:04 PM, Mihai Badoiu <mbad...@gmail.com> wrote: > I'm using intel xeon harpertown (E5450) and Python 2.6.4. > In the cython code, when I use fpclassify, in the slow case I get 3 > (FP_SUBNORMAL) > In the pure-C code, when I use fpclassify, in the case that's supposed to be > slow but it's not, I get a 2 (FP_ZERO)
Ok, so this is indeed a denormal issue. Could you post the exact code (and compilation steps) you used in both cases ? cheers, David -- http://mail.python.org/mailman/listinfo/python-list
