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fix(rccl): fit AINIC scatter parts to the P2P channel pool - #13528

Merged

i-kosarev merged 6 commits into

users/nikitaxgusev/rocm-31938-ainic-scatter-single-channelfrom

users/ilkosare/rocm-31938-scatter-fit

Oct 15, 2026

Merged

fix(rccl): fit AINIC scatter parts to the P2P channel pool#13528
i-kosarev merged 6 commits into
users/nikitaxgusev/rocm-31938-ainic-scatter-single-channelfrom
users/ilkosare/rocm-31938-scatter-fit

Commits on Oct 15, 2026
- fix(rccl): give AINIC scatter the most parts per peer that fit the pool
  
  i-kosarev
  and
  cursoragent
  committed
  132931d
- test(rccl): build the TaskPrep host microtests against the scatter part split
  
  i-kosarev
  and
  cursoragent
  committed
  bf057dc
- refactor(rccl): compute the AINIC scatter part limit in rcclP2pTaskParts
  
  i-kosarev
  and
  cursoragent
  committed
  1115698
- fix(rccl): spread AINIC scatter over the P2P channels node by node
  
  i-kosarev
  and
  cursoragent
  committed
  a4b7065
- Revert "fix(rccl): spread AINIC scatter over the P2P channels node by node"
  i-kosarev
  committed
  940f7e2
- test(rccl): cover both sides of the partial scatter preconnect and the pool boundary
  
  i-kosarev
  and
  cursoragent
  committed
  a0b3dcd