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.
Reps: Recycled entropy packet spraying for adaptive load balancing and failure mitigation
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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.