Author Topic: Detecting Video-Memory Overcommitment using GPUView  (Read 3342 times)

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Stefan

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Detecting Video-Memory Overcommitment using GPUView
« on: June 05, 2015, 09:33:51 AM »
  Are You Running Out of Video Memory? Detecting Video-Memory Overcommitment using GPUView          

By Louis Bavoil,  Tags : GameWorks, GameWorks Expert Developer

While developing and playing PC games on Windows/WDDM, it is common for stuttering (uneven frame times) to start happening when enabling graphics features or increasing the screen resolution. There are a lot of possible root causes for stuttering; one of the most common is video-memory overcommitment which happens when an application is using more video memory than is physically available on the GPU. In this article, I will describe a method we have been using at NVIDIA to determine whether video-memory overcommittement is happening and is causing any stuttering on Windows Vista, 7, 8 or 8.1. (The method described in this article may not apply to Windows 10/WDDMv2, which has a different memory residency model.)