CHANGELOG.md

raft 21.12.00 (Date TBD)

Please see https://github.com/rapidsai/raft/releases/tag/v21.12.00a for the latest changes to this development branch.

raft 21.10.00 (7 Oct 2021)

🚨 Breaking Changes

• Miscellaneous tech debts/cleanups (#286) @viclafargue

🐛 Bug Fixes

• Accounting for rmm::cuda_stream_pool not having a constructor for 0 streams (#329) @divyegala
• Fix wrong lda parameter in gemv (#327) @achirkin
• Fix matrixVectorOp to verify promoted pointer type is still aligned to vectorized load boundary (#325) @viclafargue
• Pin rmm to branch-21.10 and remove warnings from kmeans.hpp (#322) @dantegd
• Temporarily pin RMM while refactor removes deprecated calls (#315) @dantegd
• Fix more warnings (#311) @harrism

📖 Documentation

• Fix build doc (#316) @lowener

🚀 New Features

• Add Hamming, Jensen-Shannon, KL-Divergence, Russell rao and Correlation distance metrics support (#306) @mdoijade

🛠️ Improvements

• Pin max dask and distributed versions to 2021.09.1 (#334) @galipremsagar
• Make sure we keep the rapids-cmake and raft cal version in sync (#331) @robertmaynard
• Add broadcast with const input iterator (#328) @seunghwak
• Fused L2 (unexpanded) kNN kernel for NN <= 64, without using temporary gmem to store intermediate distances (#324) @mdoijade
• Update with rapids cmake new features (#320) @robertmaynard
• Update to UCX-Py 0.22 (#319) @pentschev
• Fix Forward-Merge Conflicts (#318) @ajschmidt8
• Enable CUDA device code warnings as errors (#307) @harrism
• Remove max version pin for dask & distributed on development branch (#303) @galipremsagar
• Warnings are errors (#299) @harrism
• Use the new RAPIDS.cmake to fetch rapids-cmake (#298) @robertmaynard
• ENH Replace gpuci_conda_retry with gpuci_mamba_retry (#295) @dillon-cullinan
• Miscellaneous tech debts/cleanups (#286) @viclafargue
• Random Ball Cover Algorithm for 2D Haversine/Euclidean (#213) @cjnolet

raft 21.08.00 (4 Aug 2021)

🚨 Breaking Changes

• expose epsilon parameter to allow precision to to be specified (#275) @ChuckHastings

🐛 Bug Fixes

• Fix support for different input and output types in linalg::reduce (#296) @Nyrio
• Const raft handle in sparse bfknn (#280) @cjnolet
• Add cuco::cuco to list of linked libraries (#279) @trxcllnt
• Use nested include in destination of install headers to avoid docker permission issues (#263) @dantegd
• Update UCX-Py version to 0.21 (#255) @pentschev
• Fix mst knn test build failure due to RMM device_buffer change (#253) @mdoijade

🚀 New Features

• Add chebyshev, canberra, minkowksi and hellinger distance metrics (#276) @mdoijade
• Move FAISS ANN wrappers to RAFT (#265) @cjnolet
• Remaining sparse semiring distances (#261) @cjnolet
• removing divye from codeowners (#257) @divyegala

🛠️ Improvements

• Pinning cuco to a specific commit hash for release (#304) @rlratzel
• Pin max dask & distributed versions (#301) @galipremsagar
• Overlap epilog compute with ldg of next grid stride in pairwise distance & fusedL2NN kernels (#292) @mdoijade
• Always add faiss library alias if it's missing (#287) @trxcllnt
• Use NVIDIA/cuCollections repo again (#284) @trxcllnt
• Use the 21.08 branch of rapids-cmake as rmm requires it (#278) @robertmaynard
• expose epsilon parameter to allow precision to to be specified (#275) @ChuckHastings
• Fix 21.08 forward-merge conflicts (#274) @ajschmidt8
• Add lds and sts inline ptx instructions to force vector instruction generation (#273) @mdoijade
• Move ANN to RAFT (additional updates) (#270) @cjnolet
• Sparse semirings cleanup + hash table & batching strategies (#269) @divyegala
• Revert "pin dask versions in CI (#260)" (#264" (#264)) @ajschmidt8
• Pass stream to device_scalar::value() calls. (#259) @harrism
• Update get_rmm.cmake to better support CalVer (#258) @harrism
• Add Grid stride pairwise dist and fused L2 NN kernels (#250) @mdoijade
• Fix merge conflicts (#236) @ajschmidt8

raft 21.06.00 (9 Jun 2021)

🐛 Bug Fixes

• Update UCX-Py version to 0.20 (#254) @pentschev
• cuco git tag update (again) (#248) @seunghwak
• Revert PR #232 for 21.06 release (#246) @dantegd
• Python comms to hold onto server endpoints (#241) @cjnolet
• Fix Thrust 1.12 compile errors (#231) @trxcllnt
• Make sure we use CalVer when checking out rapids-cmake (#230) @robertmaynard
• Loss of Precision in MST weight alteration (#223) @divyegala

🛠️ Improvements

• cuco git tag update (#243) @seunghwak
• Update CHANGELOG.md links for calver (#233) @ajschmidt8
• Add Grid stride pairwise dist and fused L2 NN kernels (#232) @mdoijade
• Updates to enable HDBSCAN (#208) @cjnolet

raft 0.19.0 (21 Apr 2021)

🐛 Bug Fixes

• Exposing spectral random seed property (#193) @cjnolet
• Fix pointer arithmetic in spmv smem kernel (#183) @lowener
• Modify default value for rowMajorIndex and rowMajorQuery in bf-knn (#173) @viclafargue
• Remove setCudaMallocWarning() call for libfaiss[@v1.7.0 (#167) @trxcllnt](https://github.com/v1.7.0 (#167) @trxcllnt)
• Add const to KNN handle (#157) @hlinsen

🚀 New Features

• Moving optimized L2 1-nearest neighbors implementation from cuml (#158) @cjnolet

🛠️ Improvements

• Fixing codeowners (#194) @cjnolet
• Adjust Hellinger pairwise distance to vaoid NaNs (#189) @lowener
• Add column major input support in contractions_nt kernels with new kernel policy for it (#188) @mdoijade
• Dice formula correction (#186) @lowener
• Scaling knn graph fix connectivities algorithm (#181) @cjnolet
• Fixing RAFT CI & a few small updates for SLHC Python wrapper (#178) @cjnolet
• Add Precomputed to the DistanceType enum (for cuML DBSCAN) (#177) @Nyrio
• Enable matrix::copyRows for row major input (#176) @tfeher
• Add Dice distance to distancetype enum (#174) @lowener
• Porting over recent updates to distance prim from cuml (#172) @cjnolet
• Update KNN (#171) @viclafargue
• Adding translations parameter to brute_force_knn (#170) @viclafargue
• Update Changelog Link (#169) @ajschmidt8
• Map operation (#168) @viclafargue
• Updating sparse prims based on recent changes (#166) @cjnolet
• Prepare Changelog for Automation (#164) @ajschmidt8
• Update 0.18 changelog entry (#163) @ajschmidt8
• MST symmetric/non-symmetric output for SLHC (#162) @divyegala
• Pass pre-computed colors to MST (#154) @divyegala
• Streams upgrade in RAFT handle (RMM backend + create handle from parent's pool) (#148) @afender
• Merge branch-0.18 into 0.19 (#146) @dantegd
• Add device_send, device_recv, device_sendrecv, device_multicast_sendrecv (#144) @seunghwak
• Adding SLHC prims. (#140) @cjnolet
• Moving cuml sparse prims to raft (#139) @cjnolet

raft 0.18.0 (24 Feb 2021)

Breaking Changes 🚨

• Make NCCL root initialization configurable. (#120) @drobison00

Bug Fixes 🐛

• Add idx_t template parameter to matrix helper routines (#131) @tfeher
• Eliminate CUDA 10.2 as valid for large svd solving (#129) @wphicks
• Update check to allow svd solver on CUDA>=10.2 (#125) @wphicks
• Updating gpu build.sh and debugging threads CI issue (#123) @dantegd

New Features 🚀

• Adding additional distances (#116) @cjnolet

Improvements 🛠️

• Update stale GHA with exemptions & new labels (#152) @mike-wendt
• Add GHA to mark issues/prs as stale/rotten (#150) @Ethyling
• Prepare Changelog for Automation (#135) @ajschmidt8
• Adding Jensen-Shannon and BrayCurtis to DistanceType for Nearest Neighbors (#132) @lowener
• Add brute force KNN (#126) @hlinsen
• Make NCCL root initialization configurable. (#120) @drobison00
• Auto-label PRs based on their content (#117) @jolorunyomi
• Add gather & gatherv to raft::comms::comms_t (#114) @seunghwak
• Adding canberra and chebyshev to distance types (#99) @cjnolet
• Gpuciscripts clean and update (#92) @msadang

RAFT 0.17.0 (10 Dec 2020)

New Features

• PR #65: Adding cuml prims that break circular dependency between cuml and cumlprims projects
• PR #101: MST core solver
• PR #93: Incorporate Date/Nagi implementation of Hungarian Algorithm
• PR #94: Allow generic reductions for the map then reduce op
• PR #95: Cholesky rank one update prim

Improvements

• PR #108: Remove unused old-gpubuild.sh
• PR #73: Move DistanceType enum from cuML to RAFT
• pr #92: Cleanup gpuCI scripts
• PR #98: Adding InnerProduct to DistanceType
• PR #103: Epsilon parameter for Cholesky rank one update
• PR #100: Add divyegala as codeowner
• PR #111: Cleanup gpuCI scripts
• PR #120: Update NCCL init process to support root node placement.

Bug Fixes

• PR #106: Specify dependency branches to avoid pip resolver failure
• PR #77: Fixing CUB include for CUDA < 11
• PR #86: Missing headers for newly moved prims
• PR #102: Check alignment before binaryOp dispatch
• PR #104: Fix update-version.sh
• PR #109: Fixing Incorrect Deallocation Size and Count Bugs

RAFT 0.16.0 (Date TBD)

New Features

• PR #63: Adding MPI comms implementation
• PR #70: Adding CUB to RAFT cmake

Improvements

• PR #59: Adding csrgemm2 to cusparse_wrappers.h
• PR #61: Add cusparsecsr2dense to cusparse_wrappers.h
• PR #62: Adding get_device_allocator to handle.pxd
• PR #67: Remove dependence on run-time type info

Bug Fixes

• PR #56: Fix compiler warnings.
• PR #64: Remove cublas_try from cusolver_wrappers.h
• PR #66: Fixing typo get_stream to getStream in handle.pyx
• PR #68: Change the type of recvcounts & displs in allgatherv from size_t[] to size_t* and int[] to size_t*, respectively.
• PR #69: Updates for RMM being header only
• PR #74: Fix std_comms::comm_split bug
• PR #79: remove debug print statements
• PR #81: temporarily expose internal NCCL communicator

RAFT 0.15.0 (Date TBD)

New Features

• PR #12: Spectral clustering.
• PR #7: Migrating cuml comms -> raft comms_t
• PR #18: Adding commsplit to cuml communicator
• PR #15: add exception based error handling macros
• PR #29: Add ceildiv functionality
• PR #44: Add get_subcomm and set_subcomm to handle_t

Improvements

• PR #13: Add RMM_INCLUDE and RMM_LIBRARY options to allow linking to non-conda RMM
• PR #22: Preserve order in comms workers for rank initialization
• PR #38: Remove #include <cudar_utils.h> from raft/mr/
• PR #39: Adding a virtual destructor to raft::handle_t and raft::comms::comms_t
• PR #37: Clean-up CUDA related utilities
• PR #41: Upgrade to cusparseSpMV(), alg selection, and rectangular matrices.
• PR #45: Add Ampere target to cuda11 cmake
• PR #47: Use gtest conda package in CMake/build.sh by default

Bug Fixes

• PR #17: Make destructor inline to avoid redeclaration error
• PR #25: Fix bug in handle_t::get_internal_streams
• PR #26: Fix bug in RAFT_EXPECTS (add parentheses surrounding cond)
• PR #34: Fix issue with incorrect docker image being used in local build script
• PR #35: Remove #include <nccl.h> from raft/error.hpp
• PR #40: Preemptively fixed future CUDA 11 related errors.
• PR #43: Fixed CUDA version selection mechanism for SpMV.
• PR #46: Fix for cpp file extension issue (nvcc-enforced).
• PR #48: Fix gtest target names in cmake build gtest option.
• PR #49: Skip raft comms test if raft module doesn't exist

RAFT 0.14.0 (Date TBD)

New Features

• Initial RAFT version
• PR #3: defining raft::handle_t, device_buffer, host_buffer, allocator classes

Bug Fixes

• PR #5: Small build.sh fixes