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Rui Yan

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Book Open access Aug 2026

PReCCL: Performant and Resilient Collective Communication via Integrated Inband Telemetry and Workload Reallocation

PReCCL is a drop-in NCCL replacement that combines software inband telemetry with cross-VT workload reallocation, and implements in-band monitoring within the CCL, and precisely measures the stall counts of each VT, and piggybacks the telemetry meta-data on existing collective traffic.

Zhiyong Chen, Kaihui Gao, Li Chen et al. · 0 citations

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