JohnLangford/vowpal_wabbit — pull request #121 by jhofman (2013-04-10 16:15:23+00:00)
Title: cache-friendly striping across problems

changed striping to be more cache-friendly.

all.base_learner_nb_w renamed to all.weights_per_problem, and product of stride * weights_per_problem forced to a multiple of 2 to avoid 32-bit integer overflow.