Furthermore, application developers don’t really know how the data is being managed by the driver, so they cannot fully account for unpredictable scenarios, potentially leading to decreased performance when something unexpected happens. The driver also generally has a flawed understanding of what the game really needs, which gives rise to performance inefficiencies. Previously, drivers sat between the game and the GPU and helped manage the hardware resources, but these drivers were often too complex and included significant context, memory and error management. In the case of DirectX 12 (or Vulkan for that matter), it can enable a significant boost in graphics quality and performance by reducing API-related CPU overhead. Both of these are also referred to as operating “closer to the metal”, which really means that developers are given greater control over the GPU’s resources.Īn API – or application programming interface – is essentially a software that acts as an interface between a PC’s hardware components and a game or application, handling workloads like 2D and 3D vector graphics rendering and even audio playback. You’ve probably seen a lot of fuss being made over so-called low level APIs like DirectX 12 and Vulkan. Time Spy provides a new way to measure the DirectX 12 performance of the latest cards in Windows 10.
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