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GPUOpen-Tools / gpu_performance_api

GPU Performance API for AMD GPUs
MIT License
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Some performance counter is missing in the new Arch? #75

Open matlinsas opened 1 year ago

matlinsas commented 1 year ago

Hi,

I can find there are some performance counter existing in the old chip but is missing in the new arch (RDNA).

Such as:

PAPixelsPerTriangle

http://developer.amd.com/wordpress/media/2013/12/GPUPerfAPI-UserGuide-2-15.pdf (page 11)

But the RDNA chip doesn't have this perf counter:

https://gpuperfapi.readthedocs.io/en/latest/counters.html#rdna3-counters

Thanks, Matlinsas

PLohrmannAMD commented 1 year ago

Thanks for bringing this to our attention. I had forgotten all about PAPixelsPerTriangle as something that we used to support, and I do agree it would be a useful counter to bring back. I'll include this among the set of counters that we want to revisit and see if it will be possible to bring back in a future release.