Bao,
Sorry for the delay. I have push a new version of the code on the gist
(there is now a n_jobs keyword parameter). It should use a bit more memory.
Fast bench (see main in the gist) :
Scikit silhouette (113.294149s): -0.013992
Block silhouette (23.485517s): -0.013992
Block silhouette parallel (23.351142s): -0.013992
I only have 2 cores so this is not very significant. If you have more,
feedback is welcome !
Alexandre.
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