HLSL Shader Model 6.8

v0.5 2023-06-21



This document covers the new Shader Model 6.8. A brief summary of each new feature is listed below along with links to detailed specifications.

Work Graphs (experimental)

Work Graphs define a system of shader nodes that feed into each other to enable tailored GPU work creation.

See the Work Graphs (experimental) documentation for more details.

Wave Matrix (experimental)

Wave Matrices are type abstractions of hardware support for higher bandwidth matrix multiplications, useful in machine learning and image processing.

See the Wave Matrix (experimental) documentation for more details about this feature, also called Wave Matrix Multiply and Accumulate or WaveMMA for short.

Change Log

Version Date Description
0.1 29 Jun 2021 Initial draft outline
0.2 20 Oct 2021 Update spec links
0.3 24 Aug 2022 Add WaveMMA spec link
0.4 01 May 2023 Update included elements
0.5 21 Jun 2023 Update for preview release