RoCE vs InfiniBand for Multi-Node GPU Training
Optimize multi-node GPU cluster performance and cost-efficiency by aligning parallelism strategies, network fabric selection, and performance benchmarking.
RunPod12 min read
3 stories
Optimize multi-node GPU cluster performance and cost-efficiency by aligning parallelism strategies, network fabric selection, and performance benchmarking.
When people first learn about HPC clusters, they often notice something unusual. The compute nodes don't just have Ethernet. Many HPC clusters also have InfiniBand. So a natural question is: Why? If Ethernet already connects computers together, why do HPC clusters need another network?
Way back in the dawn of time, there were two rival future I/O schemes for PCs and servers, and as th ...
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