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stinky
Journeyman III

High SGPR count with empty Compute Shader

Hi.

I'm getting a high (94) SGPR count on Iceland/Tonga when compiling an empty compute shader with SM5.0:

[numthreads(64,1,1)]

void main(){}

Other targets give a more sane SGPR count of 3.

Using GPUPerfStudio 3.3.29.0.

Surely this is a bug? Is there a workaround for now?

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pinform
Staff

Hi Rupert,

Welcome and thanks for posting.

I have white-listed you -- so you can directly post in the relevant forum in the future; I've also moved this post to the relevant forum for you.

Happy posting!

--Prasad

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