SparseAdagrad/RowWiseSparseAdagrad mean fusion on CPU & GPU and dedup version for RowWiseSparse mean fusion on GPU
Summary:
1. Support SparseAdagradFusedWithSparseLengthsMeanGradient and RowWiseSparseAdagradFusedWithSparseLengthsMeanGradient on CPU and GPU
2. Add the dedup implementation of fused RowWiseAdagrad op on GPUs for mean pooling
Reviewed By: xianjiec
Differential Revision: D22165603
fbshipit-source-id: 743fa55ed5893c34bc6406ddfbbbb347b88091d1
