The underlying BLAS code is the same. It does not matter if you access it through the Fortran or C interface, the expected memory arrangement is the same. Depending on the implementation, using row-major or column-major matrices may be faster. However, the interface used to access the BLAS implementation does not matter.
@TuKo Not much difference. What is worse, n_jobs=-1 will spawn a bunch of processes which uses up the memory especially when the dataset is large. In any case, we will come up with our own high performance SVM implementation, so I don't worry much about this. Thanks for the suggestion, though.
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