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* [Dist] fix is_node check according to policy

* add more tests

* Update

* dense

* Update

* Update

* Update

* Update

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

* add ToLevi transform

* fix parameter typo

* fix lint issues

* fix device issue

* refine according to dongyu's comments
Co-authored-by: rudongyu <ru_dongyu@outlook.com>

rename DGLHeteroGraph to DGLGraph

* [Fix]Support HGT mini-batch

* [Test] Update HGT test

* [Conv] nightly update conv

* [Conv] nightly update

[Dist][Test] Add tests for multi-node DistDataLoader, DistNodeDataLoader, DistEdgeDataLoader (#4846)
Signed-off-by: Serge Panev <spanev@nvidia.com>
Signed-off-by: Serge Panev <spanev@nvidia.com>

* update accumulator

* rename half to __half

* add bfloat16

* simplify code

* fix another case

* add unit test

* disable half-precision SpMMCoo

* fix lint

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

* [Dist] enable access DistGraph.edges via canonical etype

* refine code

* refine test

* refine code

* [Sparse] Add sparse matrix C++ implementation

* Add documentation

* Update

* Minor fix

* Move Python code to dgl/mock_sparse2

* Move headers to include

* lint

* Update

* Add dgl_sparse directory

* Move src code to dgl_sparse

* Add __init__.py in tests to avoid naming conflict

* Add dgl sparse so in Jenkinsfile

* Complete docstring & SparseMatrix basic op

* lint

* Disable win tests

* [Misc] clang-format auto fix.

* blabla

* ablabla

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

* replace

* blabla

* balbla

* blabla
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* param

* brief

* note

* return

* tparam

* brief2

* file

* return2

* return

* blabla

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

* add bf16 specializations

* remove SWITCH_BITS

* enable amp for bf16

* remove SWITCH_BITS for cpu kernels

* enbale bf16 based on CUDART

* fix compiling for sm<80

* fix cpu build

* enable unit tests

* update doc

* disable test for CUDA < 11.0

* address comments

* address comments

* shortest dist

* update

* address issues

* update

* fix indent

* lint

* fix indent

* [Misc] clang-format auto fix.

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

* [Dist] deprecate etype and always use canonical etype for partition and load

* enable canonical etypes in dist part pipeline

* resolve rebase conflicts

* fix lint

* fix test failure

* throw exception if outdated part config is loaded

* refine

* refine

* revert unnecessary change

* fix typo

* edgewise mpops

* formatting

* black formatting

* isort

* fix lint

* remove typing module; address comments

* fix gpu ut; rename test file

* Add files via upload

This file will contain several utility modules for Graph Transformer. DegreeEncoder has been implemented in this file now.

* Update graph_transformer.py

* Update nn-pytorch.rst

Add graph_transformer.DegreeEncoder in Utility Modules

* Update test_nn.py

* Update __init__.py

* Update graph_transformer.py

* Update test_nn.py

* Update graph_transformer.py

fix unused import

* Update graph_transformer.py

add module doc-string

* Update graph_transformer.py

* Update graph_transformer.py
Co-authored-by: rudongyu <ru_dongyu@outlook.com>

Signed-off-by: Serge Panev <spanev@nvidia.com>
Signed-off-by: Serge Panev <spanev@nvidia.com>

* add save/load for distributed  optimizer
Co-authored-by: Ubuntu <ubuntu@ip-172-31-16-19.ap-northeast-1.compute.internal>

* add a learned laplacian positional encoder

* leverage black to beautify the python code

* refine according to dongyu's comments
Co-authored-by: rudongyu <ru_dongyu@outlook.com>

* sample neighbors with masks

* oops

* refactor again

* remove

* remove debug code

* rename macro

* address comments

* more stuff

* remove

* fix

* try fix unit test

* oops

* fix test

* oops

* change name

* rename a lot of stuff

* oops

* ugh

* misc fixes

* lint

* address a lot of comments

* lint

* lint

* fix

* that was silly

* fix

* fix

* fix

* oops

* sample neighbors with masks

* oops

* refactor again

* remove

* remove debug code

* rename macro

* address comments

* address comment

* address comments

* rename a lot of stuff

* oops

* [Model] Heterogeneous graph support for GNNExplainer (#1)

* add HeteroGNNExplainer

* GNNExplainer for heterogeenous graph

* fix typo

* variable name cleanup

* added HeteroGNNExplainer test

* added doc indexing for HeteroGNNExplainer

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update python/dgl/nn/pytorch/explain/gnnexplainer.py
Co-authored-by: Mufei Li <mufeili1996@gmail.com>

* Update gnnexplainer.py

Change DGLHeteroGraph to DGLGraph, and specified parameter inputs

* Added ntype parameter to the explainer_node call

* responding to @mufeili's comment regarding restoring empty lines at appriopiate places to be consistent with existing practices

* responding to @mufeili's comment regarding restoring empty lines at appriopiate places that were missed in the last commit

* docstring comments added based on @mufeili suggestions

* indorporated @mufeili requested changes related to docstring model declaration.

* example model and test_nn.py added for explain_graphs

* explain_nodes fixed and fixed the way hetero num nodes and edges are handled

* white spaces removed

* lint issues fixed

* explain_graph model updated

* explain nodes model updated

* minor fixes related to gpu compatability

* cuda support added

* simplify WIP

* _init_masks for ennexplainer updated to match heterographs

* Update

* model simplified and docstring comments updated

* nits: docstring udpated

* lint check issues updated

* lint check updated

* soem formatting updated

* disabling int32 testing for GNNExplainer

* Update
Co-authored-by: Kangkook Jee <kangkook.jee@gmail.com>
Co-authored-by: ahadjawaid <94938815+ahadjawaid@users.noreply.github.com>
Co-authored-by: Mufei Li <mufeili1996@gmail.com>
Co-authored-by: kxm180046 <kxm180046@utdallas.edu>
Co-authored-by: Kunal Mukherjee <kunmukh@gmail.com>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-9-26.ap-northeast-1.compute.internal>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-36-188.ap-northeast-1.compute.internal>

* Update

* Update

* Update

* Update

* Update test_transform.py
Co-authored-by: Ubuntu <ubuntu@ip-172-31-9-26.ap-northeast-1.compute.internal>

* [Dist] fix etype issue in dist part pipeline

* add comments

* [Dist] reduce startup overhead: enable to save in specified formats

* [Dist] reduce startup overhead: sort partitions when generating

* sort csc/csr only whenmultiple etypes

* refine

* add a standalone tool for change etypes to canonical etypes in part config

* [Feature] enable to save graphs in multiple formats

* use StreamWithCount to accomodate formats

* fix lint

* fix dynamic cast issue

* fix lint

* refine docstring and code naming

* update docstring

* [Dist] decouple num_chunks and num_parts for graphs with edge feature

* fix test failure

* [Dist] Reduce peak memory in DistDGL: avoid validation, release memory once loaded

* remove orig_id from ndata/edata for partition_graph()

* delete orig_id from ndata/edata in dist part pipeline

* reduce dtype size and format before saving graphs

* fix lint

* ETYPE requires to be int32/64 for CSRSortByTag

* fix test failure

* refine

* metapath2vec package

* fix bugs --metapath2vec package

* add unittest and fix bugs

* fix pyling messages

* del init.py

* fix bugs

* modify metapath2vec and add deepwalk

* metapath2vec module

* Update

* Update

* rollback to initial metapath2vec

* Update

* Update

* Update

* Update
Co-authored-by: Rhett Ying <85214957+Rhett-Ying@users.noreply.github.com>
Co-authored-by: Mufei Li <mufeili1996@gmail.com>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-9-26.ap-northeast-1.compute.internal>

* [Dist] enable iterate multiple dist dataloaders simultaneously

* format file

* add support for any number of dataloaders

* fix lint

* refine code

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

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

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

* refactor the function and module of laplacian_pe

* add blank lines between design doc

* 1st approving review

* update the unittest

* fix lint issues

* fix trailing space

* update by mufei's comments and fix backend bugs

* del test file
Co-authored-by: rudongyu <ru_dongyu@outlook.com>
Co-authored-by: Rhett Ying <85214957+Rhett-Ying@users.noreply.github.com>