Removing all-zero rows and columns of the feature map matrix by a GPU routine
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wenwei202 commented
In GPU mode with conv_mode: LOWERED_CCNMM
, we need to first remove all-zero columns and rows in the feature map matrix col_buffer_
. This concatenation process is temporally using the corresponding CPU routine.
We plan to substitute it with a GPU routine. Please pull request if anyone implements this.
Code branch: https://github.com/wenwei202/caffe/tree/scnn