CUDA out of memory
from funnel model to bert model : error still happened

from your dataset to LineByLineTextDataset : error disapeared
In your dataset ,cuda run out of memory as long as the trainer begins:
however, without changing any other element/parameter,just switch dataset to `LineByLineTextDataset`,everything becames OK.

CUDA out of memory 
 In your dataset ,cuda run out of memory as long as the trainer begins:
however, without changing any other element/parameter,just switch dataset to `LineByLineTextDataset`,everything becames OK.
 
 from funnel model to bert model : error still happened

from your dataset to LineByLineTextDataset : error disapeared