8000 FIX #1622: OPTIM: remove obsolete random_state instance in the Tree c… · scikit-learn/scikit-learn@30eb78d · GitHub
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FIX #1622: OPTIM: remove obsolete random_state instance in the Tree class
The random_state instance is now directly handled by the Splitter class, there is no need to store it as an attribute of the cython Tree class anymore. This significantly speeds up the time of unpickling the trees by not having to reconstruct pickled numpy.random.RandomState instances.
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