On 14.12.2012 10:17, Sergey Bartunov wrote: > Now things went even worse. I assume that numpy built with BLAS and > LAPACK should do dot operation faster than "clean" installation on > relatively large matirces (say 2000 x 2000). Here I don't use OpenBLAS > anyway.
No, _dotblas is only built against ATLAS, MKL or Apple's accelerate framework. So with OpenBLAS you have to call e.g. DGEMM from OpenBLAS yourself instead of using np.dot. > So how can I fix this? Many thanks in advance. You might fix NumPy to build _dotblas against OpenBLAS as well :) Sturla _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion