gestures_broadly
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- Dec 10, 2021
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I’m thinking AMD might have planned for high IPC in Zen 4 but changed the plans and delayed things as they talked about Zen 5 being a major architectural change in the Analyst Day earlier this month.
Even TPU has a quote from AMD in their upcoming products article saying Zen 4 would be looked at from scratch to find performance wherever possible. I think they were too ambitious and delayed these changes to Zen 5.
This is just fantasy. CPU design moves too slowly to punt changes from one architecture to the next without significant delays to both.