Distributed ML Communication
EE508: Hardware Foundations of ML — Scaling & Interconnects
Parameter Server
Ring-AllReduce
Phase: IDLE
Step: 0 / 2
Bottleneck Detected:
In Parameter Server mode, all workers saturate the central node's bandwidth. Network cost scales as O(N).
Simulation
GPU Clusters
3 Nodes
4
6 Nodes
Speed
0.5x
1x
2x
Run Synchronization
Algorithm Insights
EE508 Hardware Interconnect Lab