Architects' Tech Alliance
Feb 3, 2019 · Fundamentals
Understanding GPUDirect RDMA: Principles, Implementation, and Performance
This article explains the background of GPU communication, introduces DMA and RDMA fundamentals, describes how GPUDirect RDMA enables direct GPU-to-GPU memory access across machines, and presents performance results showing reduced latency and increased bandwidth for distributed deep‑learning training.
GPU communicationGPUDirectHigh Performance Computing
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