[Qwen3.5_dev] Cherry-pick fix for custom all-reduce - #4547

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yixionghuo merged 2 commits into

ROCm:Qwen3.5_devfrom

apinge:fix_all_reduce

Aug 6, 2026

Commits on Aug 4, 2026

Fix: add missing end_sync in cross_device_reduce_1stage (#3514)

zovonoir
authored and
apinge
committed
9b9d94c
fix: synchronize custom collectives before return (#4082)

authored and
apinge
committed
37a95e9