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cugraph 24.08.00 (7 Aug 2024)

🚨 Breaking Changes

  • Use MNMG version of ECG in python layer instead, and remove legacy ECG and Louvain (#4514) @naimnv

🐛 Bug Fixes

📖 Documentation

  • DOC: typo in nx_transition.rst (#4491) @raybellwaves
  • Doc cleanup for nx-cugraph: fixed typos, cleaned up various descriptions, renamed notebook to match naming convetion. (#4478) @rlratzel
  • [DOC] Minor Improvements to cuGraph-PyG Documentation (#4460) @alexbarghi-nv

🚀 New Features

🛠️ Improvements

cugraph 24.06.00 (5 Jun 2024)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 24.04.00 (10 Apr 2024)

🚨 Breaking Changes

  • C API for MNMG ECG (#4194) @naimnv
  • Refactor and Fix test_induced_subgraph_mg (#4183) @nv-rliu
  • Removes APIs that have been deprecated and have exceeded the grace period, improves *_warning_wrapper performance (#4176) @rlratzel
  • Fixes for pandas 2, latest cudf, and wheel building (#4144) @vyasr

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

  • Use conda env create --yes instead of --force (#4286) @bdice
  • Always scatter in FP32 in TPConv (#4260) @tingyu66
  • Remove outdated conda_build.sh. (#4257) @bdice
  • update example build script with targets and options/help (#4254) @naimnv
  • Refactor test utility functions and update SG & MG core_number tests to test with edge masking (#4253) @seunghwak
  • nx-cugraph: add is_negatively_weighted (#4242) @eriknw
  • Add upper bound to prevent usage of NumPy 2 (#4233) @bdice
  • Adds nx-cugraph benchmarks for APIs added to prior releases that were never benchmarked (#4228) @rlratzel
  • Make external vertex and edge shuffling function public (#4227) @naimnv
  • Updates nx-cugraph README for latest h/w, CUDA, python, NX requirements, moves updater to pre-commit (#4225) @rlratzel
  • Enable pytest failures on warnings from cudf (#4223) @mroeschke
  • Added a weighted example to the jaccard notebook (#4222) @acostadon
  • Use public pandas and cudf APIs where possible (#4218) @mroeschke
  • Remove hard-coding of RAPIDS version where possible (#4217) @KyleFromNVIDIA
  • Treat nx-cugraph, cugraph-pyg, cugraph-dgl, and cugraph-equivariant CI artifacts as pure wheels (#4216) @bdice
  • Add degrees to C API (#4212) @ChuckHastings
  • Add additional kwargs to GATConv (#4210) @tingyu66
  • Add DeprecationWarning to batched_ego_graphs (#4209) @nv-rliu
  • Trim trailing whitespace (#4206) @bdice
  • Automate C++ include file grouping and ordering using clang-format (#4205) @harrism
  • nx-cugraph: add more shortest path algorithms (#4199) @eriknw
  • Refactor MG Centrality Tests (#4197) @nv-rliu
  • Add support for Python 3.11, require NumPy 1.23+ (#4195) @jameslamb
  • C API for MNMG ECG (#4194) @naimnv
  • nx-cugraph: update get_info function keys to NetworkX 3.3 (#4192) @eriknw
  • Adds additional detail to Jaccard notebook (#4189) @rlratzel
  • Update devcontainers to CUDA Toolkit 12.2 (#4184) @trxcllnt
  • Update louvain_communities to match NetworkX 3.3 (added max_level) (#4177) @eriknw
  • Removes APIs that have been deprecated and have exceeded the grace period, improves *_warning_wrapper performance (#4176) @rlratzel
  • target branch-24.04 for GitHub Actions workflows (#4175) @jameslamb
  • Add cuda-nvtx-dev, add missing CUDA library dependencies. (#4162) @bdice
  • Enforce matching type (#4161) @jnke2016
  • Add new all-pairs similarity algorithm (#4158) @ChuckHastings
  • nx-cugraph: automatically generate trees in README.md (#4156) @eriknw
  • Add environment-agnostic scripts for running ctests and pytests (#4152) @trxcllnt
  • Ensure that ctest is called with --no-tests=error. (#4148) @bdice
  • Update ops-bot.yaml (#4146) @AyodeAwe
  • Replace local copyright check with pre-commit-hooks verify-copyright (#4130) @KyleFromNVIDIA
  • Re-run ci/release/update-version.sh 24.04.00 (#4127) @jakirkham
  • Address primitives performance regression with the added edge masking support (when edge masking is not in use) (#4119) @seunghwak
  • Update cugraph for compatibility with the latest cuco (#4111) @PointKernel
  • Add a new notebook for SNMG benchmark runs (#4091) @naimnv
  • Ktruss implementation (#4059) @jnke2016

cuGraph 24.02.00 (12 Feb 2024)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 23.12.00 (6 Dec 2023)

🚨 Breaking Changes

  • [BUG] Restore the original default order of CSR, which does not reverse edges in cuGraph-PyG (#3980) @alexbarghi-nv
  • Resultset and Dataset Refactors (#3957) @nv-rliu
  • Moves more MG graph ETL to libcugraph and re-enables MG tests in CI (#3941) @jnke2016

🐛 Bug Fixes

📖 Documentation

🚀 New Features

  • Implement the transform_e primitive (to update property values for all edges) (#3917) @seunghwak
  • Update the neighbor intersection primitive to support edge masking. (#3550) @seunghwak

🛠️ Improvements

cuGraph 23.10.00 (11 Oct 2023)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

  • Update the docstrings of the similarity algorithms (#3817) @jnke2016

🚀 New Features

🛠️ Improvements

cuGraph 23.08.00 (9 Aug 2023)

🚨 Breaking Changes

🐛 Bug Fixes

  • Change the renumber_sampled_edgelist function behavior. (#3762) @seunghwak
  • Fix bug discovered in Jaccard testing (#3758) @ChuckHastings
  • fix inconsistent graph properties between the SG and the MG API (#3757) @jnke2016
  • Fixes options for --pydevelop to remove unneeded CWD path ("."), restores use of setup.py temporarily for develop builds (#3747) @rlratzel
  • Fix sampling call parameters if compiled with -DNO_CUGRAPH_OPS (#3729) @ChuckHastings
  • Fix primitive bug discovered in MG edge betweenness centrality testing (#3723) @ChuckHastings
  • Reorder dependencies.yaml channels (#3721) @raydouglass
  • [BUG] Fix namesapce to default_hash and hash_functions (#3711) @naimnv
  • [BUG] Fix Bulk Sampling Test Issue (#3701) @alexbarghi-nv
  • Make pylibcugraphops optional imports in cugraph-dgl and -pyg (#3693) @tingyu66
  • [FIX] Rename cugraph-ops symbols (refactoring) and update GHA workflows to call pytest via python -m pytest (#3688) @naimnv
  • [FIX] Fix the hang in cuGraph Python Uniform Neighbor Sample, Add Logging to Bulk Sampler (#3669) @alexbarghi-nv
  • force atlas notebook changes to run in cugraph 23.08 container. (#3656) @acostadon

📖 Documentation

🚀 New Features

  • Compute shortest distances between given sets of origins and destinations for large diameter graphs (#3741) @seunghwak
  • Update primitive to compute weighted Jaccard, Sorensen and Overlap similarity (#3728) @naimnv
  • Add CUDA 12.0 conda environment. (#3725) @bdice
  • Renumber utility function for sampling output (#3707) @seunghwak
  • Integrate C++ Sampling Source Behavior Updates (#3699) @alexbarghi-nv
  • Adds fail_on_nonconvergence option to pagerank to provide pagerank results even on non-convergence (#3639) @rlratzel
  • Add Benchmark for Bulk Sampling (#3628) @alexbarghi-nv
  • cugraph: Build CUDA 12 packages (#3456) @vyasr

🛠️ Improvements

cuGraph 23.06.00 (7 Jun 2023)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 23.04.00 (6 Apr 2023)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 23.02.00 (9 Feb 2023)

🚨 Breaking Changes

🐛 Bug Fixes

  • Import handle from core (#3190) @vyasr
  • Pin gcc to 9.x. (#3174) @vyasr
  • Fixes devices vector alloc to fix seg fault, removes unused RAFT code in PLC, re-enables full CI testing (#3167) @rlratzel
  • TEMPORARILY allows python and notebook tests that return exit code 139 to pass. (#3132) @rlratzel
  • Bug fix in the C++ CSV file reader (used in C++ testing only). (#3055) @seunghwak

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 22.12.00 (8 Dec 2022)

🚨 Breaking Changes

  • remove all algorithms from cython.cu (#2955) @ChuckHastings
  • PyG Monorepo Refactor (#2905) @alexbarghi-nv
  • Fix PyG Loaders by properly supporting multi_get_tensor (#2860) @alexbarghi-nv
  • Adds arbitrary server extension support to cugraph-service (#2850) @rlratzel
  • Separate edge weights from graph objects and update primitives to support general edge properties. (#2843) @seunghwak
  • Move weight-related graph_t and graph_view_t member functions to standalone functions (#2841) @seunghwak
  • Avoid directly calling graph constructor (as code cleanup before edge property support in primitives) (#2834) @seunghwak
  • Split Sampler from Graph Store to Support New PyG Sampling API (#2803) @alexbarghi-nv
  • Code cleanup (remove dead code and move legacy files to the legacy directory) (#2798) @seunghwak
  • remove graph broadcast and serialization object, not used (#2783) @ChuckHastings
  • Multi-GPU induced subgraph tests code (#2602) @yang-hu-nv

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 22.10.00 (12 Oct 2022)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 22.08.00 (17 Aug 2022)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 22.06.00 (7 Jun 2022)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 22.04.00 (6 Apr 2022)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 22.02.00 (2 Feb 2022)

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 21.12.00 (9 Dec 2021)

🚨 Breaking Changes

🐛 Bug Fixes

  • Updates to libcugraph_etl conda recipe for CUDA Enhanced Compatibility (#1968) @rlratzel
  • Enforce renumbering for MNMG algos (#1943) @jnke2016
  • Bug fix in the R-mat generator (#1929) @seunghwak
  • Updates to support correct comparisons of cuDF Series with different names (#1928) @rlratzel
  • Updated error message and using a proper TypeError exception when an invalid MultiGraph is passed in (#1925) @rlratzel
  • Update calls to cuDF Series ctors, bug fix to cugraph.subgraph() for handling non-renumbered Graphs (#1901) @rlratzel
  • Fix MG test bug (#1897) @seunghwak
  • Temporary workaround for CI issues with 11.0 (#1883) @ChuckHastings
  • Ensuring dask workers are using local space (#1879) @jnke2016
  • Disable WCC test until we get get on an A100 to debug on (#1870) @ChuckHastings

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 21.10.00 (7 Oct 2021)

🚨 Breaking Changes

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 21.08.00 (4 Aug 2021)

🚨 Breaking Changes

🐛 Bug Fixes

  • Changed cuco cmake function to return early if cuco has already been added as a target (#1746) @rlratzel
  • revert cuco to latest dev branch, issues should be fixed (#1721) @ChuckHastings
  • Fix conda uploads (#1712) @ajschmidt8
  • Updated for CUDA-specific py packages (#1709) @rlratzel
  • Use library_dirs for cython linking, link cudatoolkit libs, allow setting UCX install location (#1698) @trxcllnt
  • Fix the Louvain failure with 64 bit vertex IDs (#1696) @seunghwak
  • Use nested include in destination of install headers to avoid docker permission issues (#1656) @dantegd
  • Added accidentally-removed cpp-mgtests target back to the valid args list (#1652) @rlratzel
  • Update UCX-Py version to 0.21 (#1650) @pentschev

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 21.06.00 (9 Jun 2021)

🐛 Bug Fixes

  • Delete CUDA_ARCHITECTURES=OFF (#1638) @seunghwak
  • transform_reduce_e bug fixes (#1633) @ChuckHastings
  • Correct install path for include folder to avoid double nesting (#1630) @dantegd
  • Remove thread local thrust::sort (thrust::sort with the execution policy thrust::seq) from copy_v_transform_reduce_key_aggregated_out_nbr (#1627) @seunghwak

🚀 New Features

🛠️ Improvements

cuGraph 0.19.0 (21 Apr 2021)

🐛 Bug Fixes

📖 Documentation

🚀 New Features

🛠️ Improvements

cuGraph 0.18.0 (24 Feb 2021)

Bug Fixes 🐛

  • Fixed TSP returned routes (#1412) @hlinsen
  • Updated CI scripts to use a different error handling convention, updated LD_LIBRARY_PATH for project flash runs (#1386) @rlratzel
  • Bug fixes for MNMG coarsen_graph, renumber_edgelist, relabel (#1364) @seunghwak
  • Set a specific known working commit hash for gunrock instead of "dev" (#1336) @rlratzel
  • Updated git utils used by copyright.py for compatibility with current CI env (#1325) @rlratzel
  • Fix MNMG Louvain tests on Pascal architecture (#1322) @ChuckHastings
  • FIX Set bash trap after PATH is updated (#1321) @dillon-cullinan
  • Fix graph nodes function and renumbering from series (#1319) @Iroy30
  • Fix Branch 0.18 merge 0.17 (#1314) @BradReesWork
  • Fix EXPERIMENTAL_LOUVAIN_TEST on Pascal (#1312) @ChuckHastings
  • Updated cuxfilter to 0.18, removed datashader indirect dependency in conda dev .yml files (#1311) @rlratzel
  • Update SG PageRank C++ tests (#1307) @seunghwak

Documentation 📖

  • Enabled MultiGraph class and tests, updated SOURCEBUILD.md to include the latest build.sh options (#1351) @rlratzel

New Features 🚀

  • New EgoNet extractor (#1365) @afender
  • Implement induced subgraph extraction primitive (SG C++) (#1354) @seunghwak

Improvements 🛠️

  • Update stale GHA with exemptions & new labels (#1413) @mike-wendt
  • Add GHA to mark issues/prs as stale/rotten (#1408) @Ethyling
  • update subgraph tests and remove legacy pagerank (#1378) @Iroy30
  • Update the conda environments and README file (#1369) @BradReesWork
  • Prepare Changelog for Automation (#1368) @ajschmidt8
  • Update CMakeLists.txt files for consistency with RAPIDS and to support cugraph as an external project and other tech debt removal (#1367) @rlratzel
  • Use new coarsen_graph primitive in Louvain (#1362) @ChuckHastings
  • Added initial infrastructure for MG C++ testing and a Pagerank MG test using it (#1361) @rlratzel
  • Add SG TSP (#1360) @hlinsen
  • Build a Dendrogram class, adapt Louvain/Leiden/ECG to use it (#1359) @ChuckHastings
  • Auto-label PRs based on their content (#1358) @jolorunyomi
  • Implement MNMG Renumber (#1355) @aschaffer
  • Enabling pytest code coverage output by default (#1352) @jnke2016
  • Added configuration for new cugraph-doc-codeowners review group (#1344) @rlratzel
  • API update to match RAFT PR #120 (#1343) @drobison00
  • Pin gunrock to v1.2 for version 0.18 (#1342) @ChuckHastings
  • Fix #1340 - Use generic from_edgelist() methods (#1341) @miguelusque
  • Using RAPIDS_DATASET_ROOT_DIR env var in place of absolute path to datasets in tests (#1337) @jnke2016
  • Expose dense implementation of Hungarian algorithm (#1333) @ChuckHastings
  • SG Pagerank transition (#1332) @Iroy30
  • improving error checking and docs (#1327) @BradReesWork
  • Fix MNMG cleanup exceptions (#1326) @Iroy30
  • Create labeler.yml (#1318) @jolorunyomi
  • Updates to support nightly MG test automation (#1308) @rlratzel
  • Add C++ graph functions (coarsen_grpah, renumber_edgelist, relabel) and primitvies (transform_reduce_by_adj_matrix_row_key, transform_reduce_by_adj_matrix_col_key, copy_v_transform_reduce_key_aggregated_out_nbr) (#1257) @seunghwak

cuGraph 0.17.0 (10 Dec 2020)

New Features

  • PR #1276 MST
  • PR #1245 Add functions to add pandas and numpy compatibility
  • PR #1260 Add katz_centrality mnmg wrapper
  • PR #1264 CuPy sparse matrix input support for WCC, SCC, SSSP, and BFS
  • PR #1265 Implement Hungarian Algorithm
  • PR #1274 Add generic from_edgelist() and from_adjlist() APIs
  • PR #1279 Add self loop check variable in graph
  • PR #1277 SciPy sparse matrix input support for WCC, SCC, SSSP, and BFS
  • PR #1278 Add support for shortest_path_length and fix graph vertex checks
  • PR #1280 Add Multi(Di)Graph support

Improvements

  • PR #1227 Pin cmake policies to cmake 3.17 version
  • PR #1267 Compile time improvements via Explicit Instantiation Declarations.
  • PR #1269 Removed old db code that was not being used
  • PR #1271 Add extra check to make SG Louvain deterministic
  • PR #1273 Update Force Atlas 2 notebook, wrapper and coding style
  • PR #1289 Update api.rst for MST
  • PR #1281 Update README
  • PR #1293: Updating RAFT to latest

Bug Fixes

  • PR #1237 update tests for assymetric graphs, enable personalization pagerank
  • PR #1242 Calling gunrock cmake using explicit -D options, re-enabling C++ tests
  • PR #1246 Use latest Gunrock, update HITS implementation
  • PR #1250 Updated cuco commit hash to latest as of 2020-10-30 and removed unneeded GIT_SHALLOW param
  • PR #1251 Changed the MG context testing class to use updated parameters passed in from the individual tests
  • PR #1253 MG test fixes: updated additional comms.initialize() calls, fixed dask DataFrame comparisons
  • PR #1270 Raise exception for p2p, disable bottom up approach for bfs
  • PR #1275 Force local artifact conda install
  • PR #1285 Move codecov upload to gpu build script
  • PR #1290 Update weights check in bc and graph prims wrappers
  • PR #1299 Update doc and notebook
  • PR #1304 Enable all GPU archs for test builds

cuGraph 0.16.0 (21 Oct 2020)

New Features

  • PR #1098 Add new graph classes to support 2D partitioning
  • PR #1124 Sub-communicator initialization for 2D partitioning support
  • PR #838 Add pattern accelerator API functions and pattern accelerator API based implementations of PageRank, Katz Centrality, BFS, and SSSP
  • PR #1147 Added support for NetworkX graphs as input type
  • PR #1157 Louvain API update to use graph_container_t
  • PR #1151 MNMG extension for pattern accelerator based PageRank, Katz Centrality, BFS, and SSSP implementations (C++ part)
  • PR #1163 Integrated 2D shuffling and Louvain updates
  • PR #1178 Refactored cython graph factory code to scale to additional data types
  • PR #1175 Integrated 2D pagerank python/cython infra
  • PR #1177 Integrated 2D bfs and sssp python/cython infra
  • PR #1172 MNMG Louvain implementation

Improvements

  • PR 1081 MNMG Renumbering - sort partitions by degree
  • PR 1115 Replace deprecated rmm::mr::get_default_resource with rmm::mr::get_current_device_resource
  • PR #1133 added python 2D shuffling
  • PR 1129 Refactored test to use common dataset and added additional doc pages
  • PR 1135 SG Updates to Louvain et. al.
  • PR 1132 Upgrade Thrust to latest commit
  • PR #1129 Refactored test to use common dataset and added additional doc pages
  • PR #1145 Simple edge list generator
  • PR #1144 updated documentation and APIs
  • PR #1139 MNMG Louvain Python updates, Cython cleanup
  • PR #1156 Add aarch64 gencode support
  • PR #1149 Parquet read and concat within workers
  • PR #1152 graph container cleanup, added arg for instantiating legacy types and switch statements to factory function
  • PR #1164 MG symmetrize and conda env updates
  • PR #1162 enhanced networkx testing
  • PR #1169 Added RAPIDS cpp packages to cugraph dev env
  • PR #1165 updated remaining algorithms to be NetworkX compatible
  • PR #1176 Update ci/local/README.md
  • PR #1184 BLD getting latest tags
  • PR #1222 Added min CUDA version check to MG Louvain
  • PR #1217 NetworkX Transition doc
  • PR #1223 Update mnmg docs
  • PR #1230 Improve gpuCI scripts

Bug Fixes

  • PR #1131 Show style checker errors with set +e
  • PR #1150 Update RAFT git tag
  • PR #1155 Remove RMM library dependency and CXX11 ABI handling
  • PR #1158 Pass size_t* & size_t* instead of size_t[] & int[] for raft allgatherv's input parameters recvcounts & displs
  • PR #1168 Disabled MG tests on single GPU
  • PR #1166 Fix misspelling of function calls in asserts causing debug build to fail
  • PR #1180 BLD Adopt RAFT model for cuhornet dependency
  • PR #1181 Fix notebook error handling in CI
  • PR #1199 BUG segfault in python test suite
  • PR #1186 BLD Installing raft headers under cugraph
  • PR #1192 Fix benchmark notes and documentation issues in graph.py
  • PR #1196 Move subcomms init outside of individual algorithm functions
  • PR #1198 Remove deprecated call to from_gpu_matrix
  • PR #1174 Fix bugs in MNMG pattern accelerators and pattern accelerator based implementations of MNMG PageRank, BFS, and SSSP
  • PR #1233 Temporarily disabling C++ tests for 0.16
  • PR #1240 Require ucx-proc=*=gpu
  • PR #1241 Fix a bug in personalized PageRank with the new graph primitives API.
  • PR #1249 Fix upload script syntax

cuGraph 0.15.0 (26 Aug 2020)

New Features

  • PR #940 Add MG Batch BC
  • PR #937 Add wrapper for gunrock HITS algorithm
  • PR #939 Updated Notebooks to include new features and benchmarks
  • PR #944 MG pagerank (dask)
  • PR #947 MG pagerank (CUDA)
  • PR #826 Bipartite Graph python API
  • PR #963 Renumbering refactor, add multi GPU support
  • PR #964 MG BFS (CUDA)
  • PR #990 MG Consolidation
  • PR #993 Add persistent Handle for Comms
  • PR #979 Add hypergraph implementation to convert DataFrames into Graphs
  • PR #1010 MG BFS (dask)
  • PR #1018 MG personalized pagerank
  • PR #1047 Updated select tests to use new dataset list that includes asymmetric directed graph
  • PR #1090 Add experimental Leiden function
  • PR #1077 Updated/added copyright notices, added copyright CI check from cuml
  • PR #1100 Add support for new build process (Project Flash)
  • PR #1093 New benchmarking notebook

Improvements

  • PR #898 Add Edge Betweenness Centrality, and endpoints to BC
  • PR #913 Eliminate rmm.device_array usage
  • PR #903 Add short commit hash to conda package
  • PR #920 modify bfs test, update graph number_of_edges, update storage of transposedAdjList in Graph
  • PR #933 Update mg_degree to use raft, add python tests
  • PR #930 rename test_utils.h to utilities/test_utils.hpp and remove thrust dependency
  • PR #934 Update conda dev environment.yml dependencies to 0.15
  • PR #942 Removed references to deprecated RMM headers.
  • PR #941 Regression python/cudf fix
  • PR #945 Simplified benchmark --no-rmm-reinit option, updated default options
  • PR #946 Install meta packages for dependencies
  • PR #952 Updated get_test_data.sh to also (optionally) download and install datasets for benchmark runs
  • PR #953 fix setting RAFT_DIR from the RAFT_PATH env var
  • PR #954 Update cuGraph error handling to use RAFT
  • PR #968 Add build script for CI benchmark integration
  • PR #959 Add support for uint32_t and int64_t types for BFS (cpp side)
  • PR #962 Update dask pagerank
  • PR #975 Upgrade GitHub template
  • PR #976 Fix error in Graph.edges(), update cuDF rename() calls
  • PR #977 Update force_atlas2 to call on_train_end after iterating
  • PR #980 Replace nvgraph Spectral Clustering (SC) functionality with RAFT SC
  • PR #987 Move graph out of experimental namespace
  • PR #984 Removing codecov until we figure out how to interpret failures that block CI
  • PR #985 Add raft handle to BFS, BC and edge BC
  • PR #991 Update conda upload versions for new supported CUDA/Python
  • PR #988 Add clang and clang tools to the conda env
  • PR #997 Update setup.cfg to run pytests under cugraph tests directory only
  • PR #1007 Add tolerance support to MG Pagerank and fix
  • PR #1009 Update benchmarks script to include requirements used
  • PR #1014 Fix benchmarks script variable name
  • PR #1021 Update cuGraph to use RAFT CUDA utilities
  • PR #1019 Remove deprecated CUDA library calls
  • PR #1024 Updated condata environment YML files
  • PR #1026 update chunksize for mnmg, remove files and unused code
  • PR #1028 Update benchmarks script to use ASV_LABEL
  • PR #1030 MG directory org and documentation
  • PR #1020 Updated Louvain to honor max_level, ECG now calls Louvain for 1 level, then full run.
  • PR #1031 MG notebook
  • PR #1034 Expose resolution (gamma) parameter in Louvain
  • PR #1037 Centralize test main function and replace usage of deprecated cnmem_memory_resource
  • PR #1041 Use S3 bucket directly for benchmark plugin
  • PR #1056 Fix MG BFS performance
  • PR #1062 Compute max_vertex_id in mnmg local data computation
  • PR #1068 Remove unused thirdparty code
  • PR #1105 Update master references to main

Bug Fixes

  • PR #936 Update Force Atlas 2 doc and wrapper
  • PR #938 Quote conda installs to avoid bash interpretation
  • PR #966 Fix build error (debug mode)
  • PR #983 Fix offset calculation in COO to CSR
  • PR #989: Fix issue with incorrect docker image being used in local build script
  • PR #992 Fix unrenumber of predecessor
  • PR #1008 Fix for cudf updates disabling iteration of Series/Columns/Index
  • PR #1012 Fix Local build script README
  • PR #1017 Fix more mg bugs
  • PR #1022 Fix support for using a cudf.DataFrame with a MG graph
  • PR #1025: Explicitly skip raft test folder for pytest 6.0.0
  • PR #1027 Fix documentation
  • PR #1033 Fix reparition error in big datasets, updated coroutine, fixed warnings
  • PR #1036 Fixed benchmarks for new renumbering API, updated comments, added quick test-only benchmark run to CI
  • PR #1040 Fix spectral clustering renumbering issue
  • PR #1057 Updated raft dependency to pull fixes on cusparse selection in CUDA 11
  • PR #1066 Update cugunrock to not build for unsupported CUDA architectures
  • PR #1069 Fixed CUDA 11 Pagerank crash, by replacing CUB's SpMV with raft's.
  • PR #1083 Fix NBs to run in nightly test run, update renumbering text, cleanup
  • PR #1087 Updated benchmarks README to better describe how to get plugin, added rapids-pytest-benchmark plugin to conda dev environments
  • PR #1101 Removed unnecessary device-to-host copy which caused a performance regression
  • PR #1106 Added new release.ipynb to notebook test skip list
  • PR #1125 Patch Thrust to workaround CUDA_CUB_RET_IF_FAIL macro clearing CUDA errors

cuGraph 0.14.0 (03 Jun 2020)

New Features

  • PR #756 Add Force Atlas 2 layout
  • PR #822 Added new functions in python graph class, similar to networkx
  • PR #840 MG degree
  • PR #875 UVM notebook
  • PR #881 Raft integration infrastructure

Improvements

  • PR #917 Remove gunrock option from Betweenness Centrality
  • PR #764 Updated sssp and bfs with GraphCSR, removed gdf_column, added nullptr weights test for sssp
  • PR #765 Remove gdf_column from connected components
  • PR #780 Remove gdf_column from cuhornet features
  • PR #781 Fix compiler argument syntax for ccache
  • PR #782 Use Cython's new_build_ext (if available)
  • PR #788 Added options and config file to enable codecov
  • PR #793 Fix legacy cudf imports/cimports
  • PR #798 Edit return graph type in algorithms return graphs
  • PR #799 Refactored graph class with RAII
  • PR #802 Removed use of gdf_column from db code
  • PR #803 Enable Ninja build
  • PR #804 Cythonize in parallel
  • PR #807 Updating the Python docs
  • PR #817 Add native Betweenness Centrality with sources subset
  • PR #818 Initial version of new "benchmarks" folder
  • PR #820 MG infra and all-gather smoke test
  • PR #823 Remove gdf column from nvgraph
  • PR #829 Updated README and CONTRIBUTIOIN docs
  • PR #831 Updated Notebook - Added K-Truss, ECG, and Betweenness Centrality
  • PR #832 Removed RMM ALLOC from db subtree
  • PR #833 Update graph functions to use new Graph class
  • PR #834 Updated local gpuci build
  • PR #836 Remove SNMG code
  • PR #845 Add .clang-format & format all files
  • PR #859 Updated main docs
  • PR #862 Katz Centrality : Auto calculation of alpha parameter if set to none
  • PR #865 Added C++ docs
  • PR #866 Use RAII graph class in KTruss
  • PR #867 Updates to support the latest flake8 version
  • PR #874 Update setup.py to use custom clean command
  • PR #876 Add BFS C++ tests
  • PR #878 Updated build script
  • PR #887 Updates test to common datasets
  • PR #879 Add docs build script to repository
  • PR #880 Remove remaining gdf_column references
  • PR #882 Add Force Atlas 2 to benchmarks
  • PR #891 A few gdf_column stragglers
  • PR #893 Add external_repositories dir and raft symlink to .gitignore
  • PR #897 Remove RMM ALLOC calls
  • PR #899 Update include paths to remove deleted cudf headers
  • PR #906 Update Louvain notebook
  • PR #948 Move doc customization scripts to Jenkins

Bug Fixes

  • PR #927 Update scikit learn dependency
  • PR #916 Fix CI error on Force Atlas 2 test
  • PR #763 Update RAPIDS conda dependencies to v0.14
  • PR #795 Fix some documentation
  • PR #800 Fix bfs error in optimization path
  • PR #825 Fix outdated CONTRIBUTING.md
  • PR #827 Fix indexing CI errors due to cudf updates
  • PR #844 Fixing tests, converting getitem calls to .iloc
  • PR #851 Removed RMM from tests
  • PR #852 Fix BFS Notebook
  • PR #855 Missed a file in the original SNMG PR
  • PR #860 Fix all Notebooks
  • PR #870 Fix Louvain
  • PR #889 Added missing conftest.py file to benchmarks dir
  • PR #896 mg dask infrastructure fixes
  • PR #907 Fix bfs directed missing vertices
  • PR #911 Env and changelog update
  • PR #923 Updated pagerank with @afender 's temp fix for double-free crash
  • PR #928 Fix scikit learn test install to work with libgcc-ng 7.3
  • PR 935 Merge
  • PR #956 Use new gpuCI image in local build script

cuGraph 0.13.0 (31 Mar 2020)

New Features

  • PR #736 cuHornet KTruss integration
  • PR #735 Integration gunrock's betweenness centrality
  • PR #760 cuHornet Weighted KTruss

Improvements

  • PR #688 Cleanup datasets after testing on gpuCI
  • PR #694 Replace the expensive cudaGetDeviceProperties call in triangle counting with cheaper cudaDeviceGetAttribute calls
  • PR #701 Add option to filter datasets and tests when run from CI
  • PR #715 Added new YML file for CUDA 10.2
  • PR #719 Updated docs to remove CUDA 9.2 and add CUDA 10.2
  • PR #720 Updated error messages
  • PR #722 Refactor graph to remove gdf_column
  • PR #723 Added notebook testing to gpuCI gpu build
  • PR #734 Updated view_edge_list for Graph, added unrenumbering test, fixed column access issues
  • PR #738 Move tests directory up a level
  • PR #739 Updated Notebooks
  • PR #740 added utility to extract paths from SSSP/BFS results
  • PR #742 Rremove gdf column from jaccard
  • PR #741 Added documentation for running and adding new benchmarks and shell script to automate
  • PR #747 updated viewing of graph, datatypecasting and two hop neighbor unrenumbering for multi column
  • PR #766 benchmark script improvements/refactorings: separate ETL steps, averaging, cleanup

Bug Fixes

  • PR #697 Updated versions in conda environments.
  • PR #692 Add check after opening golden result files in C++ Katz Centrality tests.
  • PR #702 Add libcypher include path to target_include_directories
  • PR #716 Fixed bug due to disappearing get_column_data_ptr function in cudf
  • PR #726 Fixed SSSP notebook issues in last cell
  • PR #728 Temporary fix for dask attribute error issue
  • PR #733 Fixed multi-column renumbering issues with indexes
  • PR #746 Dask + Distributed 2.12.0+
  • PR #753 ECG Error
  • PR #758 Fix for graph comparison failure
  • PR #761 Added flag to not treat deprecation warnings as errors, for now
  • PR #771 Added unrenumbering in wcc and scc. Updated tests to compare vertices of largest component
  • PR #774 Raise TypeError if a DiGraph is used with spectral*Clustering()

cuGraph 0.12.0 (04 Feb 2020)

New Features

  • PR #628 Add (Di)Graph constructor from Multi(Di)Graph
  • PR #630 Added ECG clustering
  • PR #636 Added Multi-column renumbering support

Improvements

  • PR #640 remove gdf_column in sssp
  • PR #629 get rid of gdf_column in pagerank
  • PR #641 Add codeowners
  • PR #646 Skipping all tests in test_bfs_bsp.py since SG BFS is not formally supported
  • PR #652 Remove gdf_column in BFS
  • PR #660 enable auto renumbering
  • PR #664 Added support for Louvain early termination.
  • PR #667 Drop cython from run requirements in conda recipe
  • PR #666 Incorporate multicolumn renumbering in python graph class for Multi(Di)Graph
  • PR #685 Avoid deep copy in index reset

Bug Fixes

  • PR #634 renumber vertex ids passed in analytics
  • PR #649 Change variable names in wjaccard and woverlap to avoid exception
  • PR #651 fix cudf error in katz wrapper and test nstart
  • PR #663 Replaced use of cudf._lib.gdf_dtype_from_value based on cudf refactoring
  • PR #670 Use cudf pandas version
  • PR #672 fix snmg pagerank based on cudf Buffer changes
  • PR #681 fix column length mismatch cudf issue
  • PR #684 Deprecated cudf calls
  • PR #686 Balanced cut fix
  • PR #689 Check graph input type, disable Multi(Di)Graph, add cugraph.from_cudf_edgelist

cuGraph 0.11.0 (11 Dec 2019)

New Features

  • PR #588 Python graph class and related changes
  • PR #630 Adds ECG clustering functionality

Improvements

  • PR #569 Added exceptions
  • PR #554 Upgraded namespace so that cugraph can be used for the API.
  • PR #564 Update cudf type aliases
  • PR #562 Remove pyarrow dependency so we inherit the one cudf uses
  • PR #576 Remove adj list conversion automation from c++
  • PR #587 API upgrade
  • PR #585 Remove BUILD_ABI references from CI scripts
  • PR #591 Adding initial GPU metrics to benchmark utils
  • PR #599 Pregel BFS
  • PR #601 add test for type conversion, edit createGraph_nvgraph
  • PR #614 Remove unused CUDA conda labels
  • PR #616 Remove c_ prefix
  • PR #618 Updated Docs
  • PR #619 Transition guide

Bug Fixes

  • PR #570 Temporarily disabling 2 DB tests
  • PR #573 Fix pagerank test and symmetrize for cudf 0.11
  • PR #574 dev env update
  • PR #580 Changed hardcoded test output file to a generated tempfile file name
  • PR #595 Updates to use the new RMM Python reinitialize() API
  • PR #625 use destination instead of target when adding edgelist

cuGraph 0.10.0 (16 Oct 2019)

New Features

  • PR #469 Symmetrize a COO
  • PR #477 Add cuHornet as a submodule
  • PR #483 Katz Centrality
  • PR #524 Integrated libcypher-parser conda package into project.
  • PR #493 Added C++ findMatches operator for OpenCypher query.
  • PR #527 Add testing with asymmetric graph (where appropriate)
  • PR #520 KCore and CoreNumber
  • PR #496 Gunrock submodule + SM prelimis.
  • PR #575 Added updated benchmark files that use new func wrapper pattern and asvdb

Improvements

  • PR #466 Add file splitting test; Update to reduce dask overhead
  • PR #468 Remove unnecessary print statement
  • PR #464 Limit initial RMM pool allocator size to 128mb so pytest can run in parallel
  • PR #474 Add csv file writing, lazy compute - snmg pagerank
  • PR #481 Run bfs on unweighted graphs when calling sssp
  • PR #491 Use YYMMDD tag in nightly build
  • PR #487 Add woverlap test, add namespace in snmg COO2CSR
  • PR #531 Use new rmm python package

Bug Fixes

  • PR #458 Fix potential race condition in SSSP
  • PR #471 Remove nvidia driver installation from ci/cpu/build.sh
  • PR #473 Re-sync cugraph with cudf (cudf renamed the bindings directory to _lib).
  • PR #480 Fixed DASK CI build script
  • PR #478 Remove requirements and setup for pi
  • PR #495 Fixed cuhornet and cmake for Turing cards
  • PR #489 Handle negative vertex ids in renumber
  • PR #519 Removed deprecated cusparse calls
  • PR #522 Added the conda dev env file for 10.1
  • PR #525 Update build scripts and YYMMDD tagging for nightly builds
  • PR #548 Added missing cores documentation
  • PR #556 Fixed recursive remote options for submodules
  • PR #559 Added RMM init check so RMM free APIs are not called if not initialized

cuGraph 0.9.0 (21 Aug 2019)

New Features

  • PR #361 Prototypes for cusort functions
  • PR #357 Pagerank cpp API
  • PR #366 Adds graph.degrees() function returning both in and out degree.
  • PR #380 First implemention of cusort - SNMG key/value sorting
  • PR #416 OpenCypher: Added C++ implementation of db_object class and assorted other classes
  • PR #411 Integrate dask-cugraph in cugraph
  • PR #411 Integrate dask-cugraph in cugraph #411
  • PR #418 Update cusort to handle SNMG key-only sorting
  • PR #423 Add Strongly Connected Components (GEMM); Weakly CC updates;
  • PR #437 Streamline CUDA_REL environment variable
  • PR #449 Fix local build generated file ownerships
  • PR #454 Initial version of updated script to run benchmarks

Improvements

  • PR #353 Change snmg python wrapper in accordance to cpp api
  • PR #362 Restructured python/cython directories and files.
  • PR #365 Updates for setting device and vertex ids for snmg pagerank
  • PR #383 Exposed MG pagerank solver parameters
  • PR #399 Example Prototype of Strongly Connected Components using primitives
  • PR #419 Version test
  • PR #420 drop duplicates, remove print, compute/wait read_csv in pagerank.py
  • PR #439 More efficient computation of number of vertices from edge list
  • PR #445 Update view_edge_list, view_adj_list, and view_transposed_adj_list to return edge weights.
  • PR #450 Add a multi-GPU section in cuGraph documentation.

Bug Fixes

  • PR #368 Bump cudf dependency versions for cugraph conda packages
  • PR #354 Fixed bug in building a debug version
  • PR #360 Fixed bug in snmg coo2csr causing intermittent test failures.
  • PR #364 Fixed bug building or installing cugraph when conda isn't installed
  • PR #375 Added a function to initialize gdf columns in cugraph #375
  • PR #378 cugraph was unable to import device_of_gpu_pointer
  • PR #384 Fixed bug in snmg coo2csr causing error in dask-cugraph tests.
  • PR #382 Disabled vertex id check to allow Azure deployment
  • PR #410 Fixed overflow error in SNMG COO2CSR
  • PR #395 run omp_ge_num_threads in a parallel context
  • PR #412 Fixed formatting issues in cuGraph documentation.
  • PR #413 Updated python build instructions.
  • PR #414 Add weights to wjaccrd.py
  • PR #436 Fix Skip Test Functionality
  • PR #438 Fix versions of packages in build script and conda yml
  • PR #441 Import cudf_cpp.pxd instead of duplicating cudf definitions.
  • PR #441 Removed redundant definitions of python dictionaries and functions.
  • PR #442 Updated versions in conda environments.
  • PR #442 Added except + to cython bindings to C(++) functions.
  • PR #443 Fix accuracy loss issue for snmg pagerank
  • PR #444 Fix warnings in strongly connected components
  • PR #446 Fix permission for source (-x) and script (+x) files.
  • PR #448 Import filter_unreachable
  • PR #453 Re-sync cugraph with cudf (dependencies, type conversion & scatter functions).
  • PR #463 Remove numba dependency and use the one from cudf

cuGraph 0.8.0 (27 June 2019)

New Features

  • PR #287 SNMG power iteration step1
  • PR #297 SNMG degree calculation
  • PR #300 Personalized Page Rank
  • PR #302 SNMG CSR Pagerank (cuda/C++)
  • PR #315 Weakly Connected Components adapted from cuML (cuda/C++)
  • PR #323 Add test skipping function to build.sh
  • PR #308 SNMG python wrapper for pagerank
  • PR #321 Added graph initialization functions for NetworkX compatibility.
  • PR #332 Added C++ support for strings in renumbering function
  • PR #325 Implement SSSP with predecessors (cuda/C++)
  • PR #331 Python bindings and test for Weakly Connected Components.
  • PR #339 SNMG COO2CSR (cuda/C++)
  • PR #341 SSSP with predecessors (python) and function for filtering unreachable nodes in the traversal
  • PR #348 Updated README for release

Improvements

  • PR #291 nvGraph is updated to use RMM instead of directly invoking cnmem functions.
  • PR #286 Reorganized cugraph source directory
  • PR #306 Integrated nvgraph to libcugraph.so (libnvgraph_rapids.so will not be built anymore).
  • PR #306 Updated python test files to run pytest with all four RMM configurations.
  • PR #321 Added check routines for input graph data vertex IDs and offsets (cugraph currently supports only 32-bit integers).
  • PR #333 Various general improvements at the library level

Bug Fixes

  • PR #283 Automerge fix
  • PR #291 Fixed a RMM memory allocation failure due to duplicate copies of cnmem.o
  • PR #291 Fixed a cub CsrMV call error when RMM pool allocator is used.
  • PR #306 Fixed cmake warnings due to library conflicts.
  • PR #311 Fixed bug in SNMG degree causing failure for three gpus
  • PR #309 Update conda build recipes
  • PR #314 Added datasets to gitignore
  • PR #322 Updates to accommodate new cudf include file locations
  • PR #324 Fixed crash in WeakCC for larger graph and added adj matrix symmetry check
  • PR #327 Implemented a temporary fix for the build failure due to gunrock updates.
  • PR #345 Updated CMakeLists.txt to apply RUNPATH to transitive dependencies.
  • PR #350 Configure Sphinx to render params correctly
  • PR #359 Updates to remove libboost_system as a runtime dependency on libcugraph.so

cuGraph 0.7.0 (10 May 2019)

New Features

  • PR #195 Added Graph.get_two_hop_neighbors() method
  • PR #195 Updated Jaccard and Weighted Jaccard to accept lists of vertex pairs to compute for
  • PR #202 Added methods to compute the overlap coefficient and weighted overlap coefficient
  • PR #230 SNMG SPMV and helpers functions
  • PR #210 Expose degree calculation kernel via python API
  • PR #220 Added bindings for Nvgraph triangle counting
  • PR #234 Added bindings for renumbering, modify renumbering to use RMM
  • PR #246 Added bindings for subgraph extraction
  • PR #250 Add local build script to mimic gpuCI
  • PR #261 Add docs build script to cuGraph
  • PR #301 Added build.sh script, updated CI scripts and documentation

Improvements

  • PR #157 Removed cudatoolkit dependency in setup.py
  • PR #185 Update docs version
  • PR #194 Open source nvgraph in cugraph repository #194
  • PR #190 Added a copy option in graph creation
  • PR #196 Fix typos in readme intro
  • PR #207 mtx2csv script
  • PR #203 Added small datasets directly in the repo
  • PR #215 Simplified get_rapids_dataset_root_dir(), set a default value for the root dir
  • PR #233 Added csv datasets and edited test to use cudf for reading graphs
  • PR #247 Added some documentation for renumbering
  • PR #252 cpp test upgrades for more convenient testing on large input
  • PR #264 Add cudatoolkit conda dependency
  • PR #267 Use latest release version in update-version CI script
  • PR #270 Updated the README.md and CONTRIBUTING.md files
  • PR #281 Updated README with algorithm list

Bug Fixes

  • PR #256 Add pip to the install, clean up conda instructions
  • PR #253 Add rmm to conda configuration
  • PR #226 Bump cudf dependencies to 0.7
  • PR #169 Disable terminal output in sssp
  • PR #191 Fix double upload bug
  • PR #181 Fixed crash/rmm free error when edge values provided
  • PR #193 Fixed segfault when egde values not provided
  • PR #190 Fixed a memory reference counting error between cudf & cugraph
  • PR #190 Fixed a language level warning (cython)
  • PR #214 Removed throw exception from dtor in TC
  • PR #211 Remove hardcoded dataset paths, replace with build var that can be overridden with an env var
  • PR #206 Updated versions in conda envs
  • PR #218 Update c_graph.pyx
  • PR #224 Update erroneous comments in overlap_wrapper.pyx, woverlap_wrapper.pyx, test_louvain.py, and spectral_clustering.pyx
  • PR #220 Fixed bugs in Nvgraph triangle counting
  • PR #232 Fixed memory leaks in managing cudf columns.
  • PR #236 Fixed issue with v0.7 nightly yml environment file. Also updated the README to remove pip
  • PR #239 Added a check to prevent a cugraph object to store two different graphs.
  • PR #244 Fixed issue with nvgraph's subgraph extraction if the first vertex in the vertex list is not incident on an edge in the extracted graph
  • PR #249 Fix oudated cuDF version in gpu/build.shi
  • PR #262 Removed networkx conda dependency for both build and runtime
  • PR #271 Removed nvgraph conda dependency
  • PR #276 Removed libgdf_cffi import from bindings
  • PR #288 Add boost as a conda dependency

cuGraph 0.6.0 (22 Mar 2019)

New Features

  • PR #73 Weighted Jaccard bindings
  • PR #41 RMAT graph bindings
  • PR #43 Louvain binings
  • PR #44 SSSP bindings
  • PR #47 BSF bindings
  • PR #53 New Repo structure
  • PR #67 RMM Integration with rmm as as submodule
  • PR #82 Spectral Clustering bindings
  • PR #82 Clustering metrics binding
  • PR #85 Helper functions on python Graph object
  • PR #106 Add gpu/build.sh file for gpuCI

Improvements

  • PR #50 Reorganize directory structure to match cuDF
  • PR #85 Deleted setup.py and setup.cfg which had been replaced
  • PR #95 Code clean up
  • PR #96 Relocated mmio.c and mmio.h (external files) to thirdparty/mmio
  • PR #97 Updated python tests to speed them up
  • PR #100 Added testing for returned vertex and edge identifiers
  • PR #105 Updated python code to follow PEP8 (fixed flake8 complaints)
  • PR #121 Cleaned up READEME file
  • PR #130 Update conda build recipes
  • PR #144 Documentation for top level functions

Bug Fixes

  • PR #48 ABI Fixes
  • PR #72 Bug fix for segfault issue getting transpose from adjacency list
  • PR #105 Bug fix for memory leaks and python test failures
  • PR #110 Bug fix for segfault calling Louvain with only edge list
  • PR #115 Fixes for changes in cudf 0.6, pick up RMM from cudf instead of thirdpary
  • PR #116 Added netscience.mtx dataset to datasets.tar.gz
  • PR #120 Bug fix for segfault calling spectral clustering with only edge list
  • PR #123 Fixed weighted Jaccard to assume the input weights are given as a cudf.Series
  • PR #152 Fix conda package version string
  • PR #160 Added additional link directory to support building on CentOS-7
  • PR #221 Moved two_hop_neighbors.cuh to src folder to prevent it being installed
  • PR #223 Fixed compiler warning in cpp/src/cugraph.cu
  • PR #284 Commented out unit test code that fails due to a cudf bug

cuGraph 0.5.0 (28 Jan 2019)