08/19/2024, 12:52 PM UTC
大规模模型训练中的RDMA技术RDMA Technology in Large-Scale Model Training
➀ RDMA技术允许应用程序直接访问远程节点的内存，不经过内核，具有高吞吐量、低延迟等优点。➁ RDMA协议包括InfiniBand、RoCE和iWARP，各有其优势和适用场景。➂ 大规模网络中的负载均衡面临挑战，因为大量数据流的存在，需要如PLB和基于SDN的流量工程等先进技术。➀ RDMA allows direct access to remote memory without kernel intervention, offering high throughput and low latency. ➁ RDMA protocols include InfiniBand, RoCE, and iWARP, each with unique advantages and deployment scenarios. ➂ Load balancing in large-scale networks is challenging due to the prevalence of large data flows, necessitating advanced techniques like PLB and SDN-based traffic engineering.
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