I have to admit, I have not kept up with all the NVidia announcements but as I was listening to some of the announcements at the VMware Explore conference, two of them caught my attention so I had to look up the terms and what they meant.

GPUDirect Storage (GDS)

“GPUDirect Storage (GDS) enables a direct data path for direct memory access (DMA) transfers between GPU memory and storage, which avoids a bounce buffer through the CPU. This direct path increases system bandwidth and decreases the latency and utilization load on the CPU.”

Source: http://docs.nvidia.com/gpudirect-storage/

GPUDirect RDMA (Direct Communication between NVIDIA GPUs)

“Remote direct memory access (RDMA) enables peripheral PCIe devices direct access to GPU memory. Designed specifically for the needs of GPU acceleration, GPUDirect RDMA provides direct communication between NVIDIA GPUs in remote systems. This eliminates the system CPUs and the required buffer copies of data via the system memory, resulting in 10X better performance.”

Source: http://developer.nvidia.com/gpudirect

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