NVIDIA GPUDirect Storage Benchmarking Technical Brief

This technical brief presents the benchmarking results of NVIDIA GPUDirect Storage in conjunction with the Western Digital OpenFlex Data24 4200 Series NVMe-oF Storage Platform. The document outlines the architectural viability of a high-performance disaggregated storage infrastructure utilizing RDMA with RoCE v2 in compute-intensive environments. It details the benchmark designed to showcase sustainable throughput for high-performance computing applications, specifically through a simulation of a tornado formation. The brief explains the role of NVIDIA GPUDirect Storage in enhancing data transfer efficiency by allowing direct memory access between GPU memory and storage, thereby reducing CPU load and latency. It also describes the gdsio utility for synthetic benchmarking and the capabilities of NVIDIA IndeX for volumetric visualization. The document concludes with performance comparisons of GDSIO enabled versus disabled scenarios, demonstrating significant improvements in throughput and frame rates, which are critical for applications requiring rapid data access and processing.