Re: [amdgpu] Can compute kernels with different VMIDs run concurrently on the gpu hardware

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Am 05.03.21 um 04:59 schrieb Felix Kuehling:
Am 2021-03-04 um 3:03 a.m. schrieb Smith John:
Hi! I noticed that kernels with different VMIDs have different GPU
address spaces. I was wondering if it is possible for these kernels to
run concurrently on the same GPU, or they need to be serialized even
when there are free CUs.
They can run concurrently. That's the point of having multiple VMIDs in
the first place.

What can of course happen is that they fight for other resources like memory.

The most efficient usage is still to make sure that your compute job can keep CUs busy as much as possible.

The intention of different VMIDs is to help while switching between applications.

Regards,
Christan.


Regards,
   Felix


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