scikit-learn/scikit-learn — pull request #545 by pprett (2012-01-09 08:14:22+00:00)
Title: MRG Sgd fortran layout

Enhanced test time performance for SGDClassifier by converting ``coef_`` to fortran-style array after model fitting. This only affects multi-class classification. Without this fix there is a rather large overhead for making predictions for single data points.

see http://sourceforge.net/mailarchive/message.php?msg_id=28644874