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[RCCL] Cherry-pick gfx1250 tuning and AlltoAllv fixes (#12984, #13336, #13416, #13466) [bkc 20261013] - #13736

Merged

astyrrian1 merged 4 commits into

ROCm:release/bkc/therock-10.2-20261013from

akankjai:users/akankjai/bkc-20261013-rccl-cherry-picks-ROCM-33119

Oct 19, 2026

Merged

[RCCL] Cherry-pick gfx1250 tuning and AlltoAllv fixes (#12984, #13336, #13416, #13466) [bkc 20261013]#13736
astyrrian1 merged 4 commits into
ROCm:release/bkc/therock-10.2-20261013from
akankjai:users/akankjai/bkc-20261013-rccl-cherry-picks-ROCM-33119

Commits on Oct 19, 2026
- fix(rccl): make CE AlltoAllv intra-batch sync count rank-invariant (AICOMRCCL-2474) (#12984)
  
  pvallem
  authored and
  Akanksha Jaiswal
  committed
  0985eab
- [RCCL] gfx1250: RCCL Perf tuning (#13336)
  
  authored and
  Akanksha Jaiswal
  committed
  ff5a094
- [RCCL] Pick the gfx1250 tuning table by compute-partition mode (RCCL_TUNING_PARTITION_MODE) (#13416)
  
  authored and
  Akanksha Jaiswal
  committed
  3afb6af
- fix(rccl): compile rccl_arch_thresholds.cc into topo_expl (#13466)
  
  pvallem
  authored and
  Akanksha Jaiswal
  committed
  fdaf857