NVIDIA nVector is a performance testing tool for benchmarking VDI workloads. The nVector tool creates a load on the system by simulating a workload that matches a typical VDI environment. The tool assesses the experience at the endpoint device rather than the response time of the virtual desktop.
The nVector tool captures performance metrics from the endpoints that quantify user experience, including image quality, frame rate, and user latency. These metrics, when combined with resource utilization information from the servers under test, enable IT teams to assess their VDI graphics-accelerated environment needs.
We tested multiple runs for each user load scenario to eliminate single-test bias. We used a pilot run to validate that the solution was functioning as expected, and we validated that testing data was being captured. We then tested subsequent runs to provide data that confirmed that the results we obtained were consistent.
To assess the EUE experience, we logged into a VDI session and completed several tasks that are typical of a normal user workload. This small incremental load on the system did not significantly affect our ability to provide reproducible results. While the assessment undoubtedly is subjective, it helps to provide a better understanding of the EUE under high load. It also helps to assess the reliability of the overall testing data.