Thank you for the fast reply and for the correction. How many SIMD groups (possibly belonging to different threadgroups) can be executed in parallel by a single shader core?
Even though I made an incorrect assumption, the WWDC session I cited still mentions "1K to 2K concurrent threads per shader core is considered a very good occupancy".
It sounds to me like a single shader core is capable of running at least 2K threads (64 SIMD groups) in parallel. But what is the maximum amount?
rd1
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This fixed the issue for me! Thank you so much!!