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Co-authored-by: Hongzhi (Steve), Chen <chenhongzhi.nkcs@gmail.com>

Co-authored-by: Hongzhi (Steve), Chen <chenhongzhi.nkcs@gmail.com>

Co-authored-by: Hongzhi (Steve), Chen <chenhongzhi.nkcs@gmail.com>

Co-authored-by: Hongzhi (Steve), Chen <chenhongzhi.nkcs@gmail.com>

* [Sparse] Remove the Python DiagMatrix class

* Update

* Update

* update

* Update

* [Sparse] Support Diag sparse format in C++

* update

* Update

* [Sparse] Support converson to/from torch sparse tensor.

* Update

* [Sparse] Support column-wise softmax

* Update python/dgl/sparse/softmax.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

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Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* enable sparse on windows and mac

* that was stupid

* let's see what's going on..

* [Sparse] Fix the import error on Mac OS.

When using template functions that are defined in source files from DGL,
the loader of MacOS somehow cannot find their definitions. This fix simply
avoids depending on template functions from DGL headers.

With this fix, the sparse tests all pass on the MAC environment.

* ok this is the problem

* make errors clearer

* uh

* test

* Update __init__.py

* disabling ddp on windows

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Co-authored-by: czkkkkkk <zekucai@gmail.com>

* remove unnecessary clean up.

* more

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Co-authored-by: Steve <ubuntu@ip-172-31-34-29.ap-northeast-1.compute.internal>

* update conda branch

* fix conda

* update conda

* update

* update windows build script

* copy static library to build dir

* try again

* fix

* lint

* [Sparse] Reduce peak memory usage of SpSpAdd

* Update

* Update

* initial commit

* Update build.sh

* update

* Update

* Update

* Update

* Update
Co-authored-by: Ubuntu <ubuntu@ip-172-31-36-188.ap-northeast-1.compute.internal>

* Update

* CI

* Update dgl_sparse/src/utils.h
Co-authored-by: Minjie Wang <wmjlyjemaine@gmail.com>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-36-188.ap-northeast-1.compute.internal>
Co-authored-by: Minjie Wang <wmjlyjemaine@gmail.com>

* [Sparse] Support BSpMM and BSDDMM

* Update SpMM and SDDMM error messages

* Use TORCH_CHECK

* Update error string

* add coalesce() and has_duplicate()

* Add duplicate check in spspmm

* black

* fix

* clang-format

* lintrunner

* minor fix

* fix

* Update

* update

* Update

* Update

* Update

* format

* Update

* lint

* Update

* lint

* CI

* CI

* Update

* address comments
Co-authored-by: Ubuntu <ubuntu@ip-172-31-36-188.ap-northeast-1.compute.internal>

* [Sparse] Add SpSpMM

* Update matmul interface

* address comments

* fix test utils to generate only coalesced matrices

* fix linter

* fix ut

* fix

* rm print
Co-authored-by: Minjie Wang <wmjlyjemaine@gmail.com>

* [Sparse] Support SpMM and SDDMM

* Add SDDMMAutoGrad

* Rename SpMMImpl and SDDMMImpl and move them to dgl_sparse/src/matmul.h

* Update comments

* Update

* Minor fix

[Sparse] Add Two Sparse Matrices with Different Sparsity, DiagMatrix.dense, Add SparseMatrix and DiagMatrix (#5044)

* Update

* undo wrong edit

* lint

* fix import

* Update
Co-authored-by: Ubuntu <ubuntu@ip-172-31-36-188.ap-northeast-1.compute.internal>

* initial commit

* lint

* rename

* address changes

* oops

* fix?

* fix?

* Revert "[Sparse] Add SpMM and SDDMM. (#4999)"

This reverts commit 15365d78.

* lint

* [Sparse] Add SpMM and SDDMM

* Update

* Add CSR and CSC SpMM tests

* Update

* Update
Co-authored-by: Ubuntu <ubuntu@ip-172-31-36-188.ap-northeast-1.compute.internal>

* [Sparse] Support sparse format conversion

* Update

* Update

* Update

* dense

* Update

* Update

* Update

* Update

* Update
Co-authored-by: Ubuntu <ubuntu@ip-172-31-36-188.ap-northeast-1.compute.internal>

Co-authored-by: Steve <ubuntu@ip-172-31-34-29.ap-northeast-1.compute.internal>