Preprint
Aug 2026
HCCL: Collective Communication for Meta Training and Inference Accelerators
HCCL, a collective communication library co-designed with Meta's MTIA 300 accelerator, the first Meta chip to integrate backend networking directly on chip package, and describes collective designs that improve compute-communication pipelining for latency-sensitive workloads are presented.
W. Bland, Tiago Antunes, Lars Paul Huse et al.
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