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GPUDirect RDMA

Authored on: Mar 15, 2013 by Dustin Franklin

Technical Paper / Product Paper

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GPUDirect RDMA solves an age-old problem for GPUs by removing the CPU and system memory bottleneck. By doing so, GPUDirect RDMA greatly decreases the latency of streaming data into the GPU from external PCIe endpoints and increases bandwidth through more efficient PCIe intercommunication. This allows the GPU to move into new application domains, like electronic warfare and radar/SIGINT frontends, which were previously inaccessible due to low-latency requirements. Learn how the latest generation of Kepler-family GPUs and CUDA 5.0 from NVIDIA, along with a new feature called GPUDirect RDMA enable 3rd-party PCIe endpoints to DMA directly to and from the GPU, without the use of system memory or the GPU.
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MikeTronix Posted Jun 3, 2013

Very informative and well-written.

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