Patches are wrappers. They add overhead. Unless you are bypassing a driver bug, expect worse performance.
Use the DirectX Capabilities Viewer to check your current version. Open the tool, expand DXGI Devices , select your GPU, and look under the Direct3D 12 folder for the "Shader Model" value. 3. Common Fixes for Errors shader model 65 download patched
: Adds WaveMatch() and WaveMultiPrefix* intrinsics to improve data-parallel performance on the GPU. Official Implementation Methods Patches are wrappers