Scrying the AMD GFX1250 LLVM Tea Leaves

I'm a heavy user of NVIDIA LOP3 instruction (uint32). I wonder when AMD will finally support it well.

Where does someone start on kernel development for an RDNA4? Books, resources, whatever?

8 year developer just getting into to AI side of the house

...not just implementing barriers in hardware but also full monitors, allowing the wave to be notified if a specific cache line is evicted from the L2 cache.

What is this feature for? When do you need it?