Sorry, this kind of LLMglish is illegible.

  That rounding has teeth.

  Here is the answer, and it’s the most useful idea in this whole post.

  That last clause is the whole game.

The constantly referring back or forward to other Parts is very annoying. Please write your essay so that I can read it from beginning to end and it makes sense!

Also, this is far from "first principles". I have a general familiarity with GPUs but I had to look up a number of terms, like "LDS".

Interesting that the PFLOP value on FP4 is around the datasheet quote (20k TFLOP): https://flopper.io/gpu/amd-instinct-mi355x-oam

Great work, thanks for the write up.

FWIW: Agree with font, lots of a11y constraints. I ended up using Reader Mode

For me the text renders in multiple low contrast fonts which are starting to give me a headache after the first para...