Need to keep consistency between GPU and CPU implementation for conv layer.
Created by: qingqing01
Now the ExpandConvLayer implementation for CPU is not consistency with GPU implementation by cuDNN.
This issue is also related to #379 (closed)
Created by: qingqing01
Now the ExpandConvLayer implementation for CPU is not consistency with GPU implementation by cuDNN.
This issue is also related to #379 (closed)