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Add ipc::cuda::LBVH: a GPU broad phase sharing the CPU LBVH implementation - #260

Merged

zfergus merged 12 commits into

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feature/cuda-lbvh

Sep 15, 2026

Commits on Sep 9, 2026
- Add shared device utilities for the ipc::cuda implementations
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  a79d4d4
- Add ipc::cuda::LBVH: GPU-native LBVH broad phase
  
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  b2b35ca
- Cache candidate-buffer capacity across calls in ipc::cuda::LBVH
  
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  dcc32a7
- Register ipc::cuda::LBVH in create_broad_phase
  
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  abd5150
- Add 2D support to ipc::cuda::LBVH, matching the CPU LBVH exactly
  
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  d6b7df0
- Fix CUDA LBVH errors on MSVC
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  2ba9781
- Fix the GPU LBVH traversal stack corruption on sm_120
  
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  419a82c
- Share the duplicated LBVH code between the CPU and CUDA broad phases
  
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  a16ade8
- Share the LBVH build and traversal between the CPU and CUDA broad phases
  
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  6ce6abc
- Remove warning from spdlog.cmake
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  abfa013
Commits on Sep 10, 2026
- Address review of the CUDA LBVH broad phase
  
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  a285029
- Restore merge_thread_local_vectors to its original form
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  d94d763