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Add HDP flush for gfx940#1434

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wenkaidu wants to merge 11 commits intoROCm:developROCm/rccl:developfrom wenkaidu:threadfencewenkaidu/rccl:threadfenceCopy head branch name to clipboard

+62-26

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Commits on Jan 10, 2025

• Fix collective trace

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  ab8aff9

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• Use nontemporal for st_global

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  1a2aa40

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• Fix previous commit

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  56f1474

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• Add HDP flush to data receive path

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  8737370

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• Fix previous commit

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  9983747

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• Control flushing by NCCL_NET_FORCE_FLUSH and RCCL_NET_HDP_FLUSH

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  605a164

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• Introduce RCCL_NET_HDP_FLUSH and RCCL_NET_GDR_FLUSH

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  68cb0cf

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• Enable GDR copy by default

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  5684290

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• Remove GDR flush env var because it is disabled by GDC flush

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  35ddf44

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• Output kernel collective trace at comm destroy by default

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  01a2966

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• Limit kernel timeout messages to 100

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