V. Armando Solé wrote: > Hello, > > I have found performance problems under windows when using python 2.6 > In my case, they seem to be related to the dot product. > > The following simple script: > > import numpy > import time > a=numpy.arange(1000000.) > a.shape=1000,1000 > t0=time.time() > b=numpy.dot(a.T,a) > print "Elapsed time = ",time.time()-t0 > > reports an "Elapsed time" of 1.4 seconds under python 2.5 and 15 seconds > under python 2.6 > > Same version of numpy, same machine, official numpy installers for > windows (both with nosse flag) >
Could you confirm this by pasting the output of numpy.show_config() in both versions ? cheers, David _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion