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reflexive.space

Speculating on Zen 2 (Part 2)

This is the second part of my exploration into branch prediction and speculation in the Zen 2 microarchitecture, where we look at the behavior of unconditional direct branches and continue digging into details about the branch predictor.

Speculating on Zen 2 (Part 1)

This is the first part of my exploration into branch prediction and speculation in the Zen 2 microarchitecture, where I introduce a lot of context and present some tests with conditional branches.

"Communication"

A veiled complaint about Elon Musk tweeting on how Neuralink creates the possibility of "conceptual telepathy."