“a2d9b344177bf6055d3a16097b2e8b9bbf61bed8”上不存在“paddle/phi/kernels/funcs/unfold_functor.h”
* add sparse support for sum op * typo fix * fix gpu build error * fix unittest error * typo fix * infer var type and shape in op_test * follow comments * fix build error * bypass some unittests depend on NetOp