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UCT/CUDA_IPC: Skip zero-length elements in SGL zcopy - #12219

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dmitrygx wants to merge 12 commits into

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UCT/CUDA_IPC: Skip zero-length elements in SGL zcopy#12219
dmitrygx wants to merge 12 commits into
openucx:masterfrom
dmitrygx:topic/ucx/cuda-ipc-sgl-zero-length

Commits on Nov 3, 2026
- GTEST/UCT: Check SGL zcopy with a zero-length element
  
  dmitrygx
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  claude
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  68ba8c2
- UCT/CUDA_IPC: Skip zero-length elements in SGL zcopy
  
  dmitrygx
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  b7e2134
- GTEST/UCT: Check SGL zcopy with all elements of zero length
  
  dmitrygx
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  claude
  committed
  5f70e97
- GTEST/UCT: Check SGL zcopy with empty first and last elements
  
  dmitrygx
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  claude
  committed
  eefee38
- UCT/CUDA_IPC: Compact SGL arrays only if some element is empty
  
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  b661636
- UCT/API: Document zero-length elements of SGL zcopy
  
  dmitrygx
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  cf3ae7e
- UCT/API: Drop the zero-length rule from SGL zcopy doc
  
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  b022817
- UCT/CUDA_IPC: Size SGL mapping by the elements with data
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  bf15f67
- GTEST/UCT: Add min_zcopy() helper to SGL test
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  b118b78
- UCT/CUDA_IPC: Fill SGL copy arrays in the mapping loop
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  c3082be
Commits on Nov 4, 2026
- Merge branch 'master' into topic/ucx/cuda-ipc-sgl-zero-length
  dmitrygx
  committed
  3ff81b8
Commits on Nov 5, 2026
- UCT/CUDA_IPC: Find first non-empty SGL element in the sum loop
  dmitrygx
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  f0aabce