HetCCL
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Related Articles from SNS
HetCCL: Enabling Collective Communication For Mixed-Vendor Heterogeneous Clusters
arXiv:2605.31000v1 Announce Type: new Abstract: Training Large Language Models (LLMs) on heterogeneous clusters presents significant challenges for collective communication, as hardware from multiple vendors introduces diverse network and computational characteristics. Existing collective communication frameworks (e.g., NCCL, RCCL) designed for homogeneous environments fail to address mixed-hardware setups, while communication libraries with heterogeneous support (e.g., Gloo, OpenMPI) incur...