* WIP: TypedLinear and new RelGraphConv
* wip
* further simplify RGCN
* a bunch of tweak for performance; add basic cpu support
* update on segmm
* wip: segment.cu
* new backward kernel works
* fix a bunch of bugs in kernel; leave idx_a for future
* add nn test for typed_linear
* rgcn nn test
* bugfix in corner case; update RGCN README
* doc
* fix cpp lint
* fix lint
* fix ut
* wip: hgtconv; presorted flag for rgcn
* hgt code and ut; WIP: some fix on reorder graph
* better typed linear init
* fix ut
* fix lint; add docstring
* init
* init
* working cublasGemm
* benchmark high-mem/low-mem, err gather_mm output
* cuda kernel for bmm like kernel
* removed cpu copy for E_per_Rel
* benchmark code from Minjie
* fixed cublas results in gathermm sorted
* use GPU shared mem in unsorted gather mm
* minor
* Added an optimal version of gather_mm_unsorted
* lint
* init gather_mm_scatter
* cublas transpose added
* fixed h_offset for multiple rel
* backward unittest
* cublas support to transpose W
* adding missed file
* forgot to add header file
* lint
* lint
* cleanup
* lint
* docstring
* lint
* added unittest
* lint
* lint
* unittest
* changed err type
* skip cpu test
* skip CPU code
* move in-len loop inside
* lint
* added check different dim length for B
* w_per_len is optional now
* moved gather_mm to pytorch/backend with backward support
* removed a_/b_trans support
* transpose op inside GEMM call
* removed out alloc from API, changed W 2D to 3D
* Added se_gather_mm, Separate API for sortedE
* Fixed gather_mm (unsorted) user interface
* unsorted gmm backward + separate CAPI for un/sorted A
* typecast to float to support atomicAdd
* lint typecast
* lint
* added gather_mm_scatter
* minor
* const
* design changes
* Added idx_a, idx_b support gmm_scatter
* dgl doc
* lint
* adding gather_mm in ops
* lint
* lint
* minor
* removed benchmark files
* minor
* empty commit
Co-authored-by: Israt Nisa <nisisrat@amazon.com>