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[https://nvbugs/6944374][fix] Fix rank-asymmetric NCCL window allocation hang during PARALLEL autotuning - #20657

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lori-ren merged 2 commits into
NVIDIA:release/1.3from
lori-ren:fix/nccl-window-parallel-tuning-hang
Oct 21, 2026
Merged

[https://nvbugs/6944374][fix] Fix rank-asymmetric NCCL window allocation hang during PARALLEL autotuning#20657
lori-ren merged 2 commits into
NVIDIA:release/1.3from
lori-ren:fix/nccl-window-parallel-tuning-hang

[https://nvbugs/6944374][test] Assert window kind after PARALLEL tuning

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