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DX12 DX12 OS memory triming request ?

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Hi,

In an Intel presentation about DX12 there was a mention about a "trimming request" from the OS :

https://software.intel.com/sites/default/files/managed/4a/38/Efficient-Rendering-with-DirectX-12-on-Intel-Graphics.pdf

 

ie the OS can ask an app to trim memory, and the app has to release memory/making it unresident otherwise it is suspended.

But I don't find anything related to these trimming request in the final version of DX12. And the resident/unresident concept seem to be limited to memory tiling, not to every memory allocation.

 

Has this been removed or do I miss Something ?

 

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