optimize performance detect

Tino Hager

2018-07-14 2c711de013de00e06f006f959c0c8bc2d1a67f7e

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classes= 20
train  = data/train_voc.txt
valid  = data/2007_test.txt
#difficult = data/difficult_2007_test.txt
names = data/voc.names
backup = backup/