SVD of OpenCV 2.4.0 beta – Even slower

In one of my previous posts SVD bench mark on Windows – that why Matlab is the champion, I have said that SVD function of OpenCV 2.3.1 is much slower than Matlab and Armadillo. But today, when I rebuild my program with OpenCV 2.4.0 beta, the result is even worse than OpenCV 2.3.1: with 1000×1000 single matrix, SVD function of OpenCV 2.4.0 took more than 7 minutes and I could not wait for its finishing. I do not know why it is.

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