Microsoft adds Shader Execution Reordering (SER) in latest DirectX SDK for more efficient ray tracing — Intel Arc B-series GPUs show 90% performance uplift

DirectX 12 Ultimate .

In 2022, Nvidia introduced hardware-level Shader Execution Reordering (SER) with its RTX 40-series GPUs in order to make ray tracing less taxing. Now, it's officially part of DXR 1.2, which is included in the new DirectX Agility SDK (version 1.619). The announcement blog isn't a casual read because of all the technical jargon, so let's break down what this actually means and how it improves performance.

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