PyTorch xpu support (machine learning ops in sycl) - #7529

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ssheorey wants to merge 101 commits into

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Commits on Feb 20, 2026

Initial plan
Copilot
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f965404
Add SYCL kernels for t/pipelines/kernel: Feature, FillInLinearSystem, Registration, RGBDOdometry, TransformationConverter

Copilot
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ssheorey
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a5f1fa3
Fix RGBDOdometryImpl.h: source_normal_map -> target_normal_map in SYCL declaration

Copilot
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ssheorey
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f547842

Commits on Feb 23, 2026

Fix ubuntu-sycl CI: use open3d_sycl_target_sources to add -fsycl flag to SYCL kernel files

Copilot
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ssheorey
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83aa8d9

Commits on Mar 6, 2026

style fix
ssheorey
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7b846bb
Merge branch 'main' of github.com:isl-org/Open3D into copilot/add-sycl-kernels-for-cuda
ssheorey
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c103f32

Commits on Mar 14, 2026

Initial plan
Copilot
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8375368
Add SYCL nearest-neighbor search support

Copilot
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ssheorey
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4018268
Polish SYCL nearest-neighbor messages

Copilot
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ssheorey
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26e0697

Commits on Jun 18, 2026

Merge branch 'main' of github.com:isl-org/Open3D into copilot/add-sycl-kernels-for-cuda
ssheorey
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2af54c3

Commits on Jun 19, 2026

fix tests
ssheorey
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2e888fa

Commits on Jun 21, 2026

Commits on Jun 23, 2026

SYCL hashmap implementation to enable VixelBlockGrid on SYCL devices.
ssheorey
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79946d4

Commits on Jun 25, 2026

In order SYCL queue
ssheorey
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6d26e4e

Commits on Jun 26, 2026

Commits on Jun 29, 2026

Improve SYCL NNS tiling, hash table layout, and SYCL-only build hygiene
ssheorey
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5014fd0

Commits on Jun 30, 2026

Commits on Jul 6, 2026

Commits on Jul 7, 2026

Commits on Jul 9, 2026

Commits on Jul 12, 2026

Simplify, improve commants.
ssheorey
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a48a444
Port CUDA uniform-grid fixed-radius search to SYCL for FixedRadius/Hybrid NNS

ssheorey
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cursoragent
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3300770

Commits on Jul 13, 2026

Apply clang-format/yapf style fixes; add CUDA vs SYCL NNS/hashmap design note

ssheorey
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cursoragent
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4de10aa

Commits on Jul 15, 2026

Fix SYCL hashmap Insert buffer-slot leak via bulk heap reservation
ssheorey
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854e34d

Commits on Jul 17, 2026

Add L1, L infty fixed radius search + cleanup
ssheorey
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ff88967

Commits on Jul 18, 2026

Commits on Jul 19, 2026

remaining parity items for sycl vs cuda. enabled some tests and one bug fix.
ssheorey
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6e72924
delete cruft
ssheorey
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14768a9
fix google test error
ssheorey
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fafdf09

Commits on Jul 20, 2026

Refactor SYCL kernels for CUDA parity and expand hash/NNS design docs.

ssheorey
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cursoragent
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90fc33e
Update CUTLASS v1.3.3 → v4.2.1; add sycl-tla v0.9.1; migrate ML ops to v2 device API

ssheorey
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Copilot
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0553344
Refactor: extract BuildSpatialHashTableSYCLRaw to eliminate duplication

ssheorey
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Copilot
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ff143a9
WIP: SYCL PyTorch ML ops — plan doc + 5/18 misc ops implemented

ssheorey
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Copilot
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4db7fde
Implement and validate SYCL PyTorch ML ops on real Intel Xe3 GPU

ssheorey
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Copilot
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bb1df36
ml/impl: add GemmCUDA.h shim, replace inline CUTLASS GEMM in 8 conv files

ssheorey
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Copilot
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4e582bc
ml/impl: GemmCUDA.h set Sm86 ArchTag; add CUTLASS v1→v4 analysis doc

ssheorey
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Copilot
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6940627
ml: Implement float32 IEEE and XMX TF32 GEMM paths for SYCL conv ops
ssheorey
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e274520
ml: SYCL ml contrib CUDA parity for nms, roi_pool, IoU; fix pybind -fsycl scoping

ssheorey
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cursoragent
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91cb814
style: reformat SYCL/NNS/GEMM files (clang-format re-wrap, no functional change)

ssheorey
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cursoragent
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e748a77

Commits on Jul 21, 2026

Fix SYCL FixedRadiusSearch PyTorch wrapper after NNS API update.

ssheorey
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cursoragent
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69b0f4f

Commits on Jul 23, 2026

Single torch ops library
ssheorey
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8aff33f

Commits on Jul 24, 2026

Keep sycl inside libOpen3D.so - make pybind free of sycl.
ssheorey
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1e65899

Commits on Jul 28, 2026

fix(SYCL): revert ml/ ops to queue-based dispatch, add event-based sync
ssheorey
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3ab068c
Merge main
ssheorey
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e6ad81a

Commits on Jul 30, 2026

reduce build time with common GemmSYCL.cpp
ssheorey
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04fc525

Commits on Aug 3, 2026

Commits on Aug 6, 2026

Add SYCL PyTorch KNN support and fix CI packaging
ssheorey
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2230043
Merge branch 'main' into ss/sycl-mlops
ssheorey
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1cba379

Commits on Aug 8, 2026

WIP debugging: switched everything to SYCLscopedqueues. Added event sync everywhere possible.
ssheorey
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da070de

Commits on Aug 9, 2026

Fix sycl-tla GEMM epilogue no-op and CUDA multi-batch KnnSearch index regression

ssheorey
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claude
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e7f297a

Commits on Aug 11, 2026

Fix CI issues for PyTorch and SYCL ML ops
ssheorey
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278c756
Fix remaining CI build regressions
ssheorey
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23a4845
Preserve KNN index conventions across APIs
ssheorey
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e9a44bd

Commits on Aug 12, 2026

Merge branch 'main' of github.com:isl-org/Open3D into ss/sycl-mlops
ssheorey
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1865020
Fix CPU-only PyTorch sampling build
ssheorey
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d94cc05
Fix ML ops CI regressions
ssheorey
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baca999

Commits on Aug 13, 2026

Commits on Aug 14, 2026

Fix CI test races and ML ops packaging issues.

ssheorey
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cursoragent
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c38db96
Fix SYCL docker gtest sharding and Windows ops codegen.

ssheorey
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cursoragent
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84e7128

Commits on Aug 15, 2026

Isolate gtest shard dataset downloads and fix Windows torch ops DLL load.

ssheorey
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cursoragent
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d93cf9a
Fix torch ops wrapper CMake command after Windows DLL path change.

ssheorey
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cursoragent
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af658f2
Give each SYCL gtest shard an isolated HOME for dataset cache.

ssheorey
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cursoragent
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11919e1
Streamline CI tests: single C++ pass, docker Python phases.

ssheorey
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cursoragent
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d5c7404
Document NNS/HashMap backends and tighten SYCL ML ops comments and tests.

ssheorey
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cursoragent
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8cfb229

Commits on Aug 16, 2026

Fix CI style and ML op tests for allow_tf32.

ssheorey
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cursoragent
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ad2cff5
Fix sparse conv transpose TF32 smoke and Codacy nits.

ssheorey
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cursoragent
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f50ce01
Fix Windows SYCL wheel DLL discovery on import.

ssheorey
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cursoragent
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d68b581

Commits on Aug 17, 2026

Reduce SYCL wheel CI disk use and fix LU test matrix.

ssheorey
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cursoragent
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644d212

Commits on Aug 18, 2026

Fix SYCL lib image slim and test_lu full row rank.

ssheorey
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cursoragent
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1df9d7e
Fix SYCL CI: LU test pivots, headless EGL skip, drop image slimming.

ssheorey
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cursoragent
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e5608e8