SprayCheck detects single-link gray failures with 1.5% drop rates in one iteration and 0.5% in five iterations for Llama-3 70B training in a 64-spine topology by passively observing adaptive routing traffic patterns.
Congestion control for large-scale RDMA de- ployments.ACM SIGCOMM Computer Communica- tion Review, 45(4):523–536
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SprayCheck: Finding Gray Failures in Adaptive Routing Networks
SprayCheck detects single-link gray failures with 1.5% drop rates in one iteration and 0.5% in five iterations for Llama-3 70B training in a 64-spine topology by passively observing adaptive routing traffic patterns.