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> Far less Kernel_Task CPU usage

This typically means the machine is thermally throttled, not that the kernel is actually using the CPU.




Doesn't have to be. Doing canvas work in a web worker in Chrome caused the kernel_task to skyrocket. It's fine in the main thread:

https://video-canvas-worker-4k.netlify.app/


Contrary to popular belief, kernel_task actually has things it needs to do, and sometimes those use CPU time. It's not "typically" thermal throttling.




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