Comment on Apple M1 Max die has an entire hidden section on the bottomparentComments−shituonui4yIn what universe did Zen 1 fail? Zen 1 was one of the best-performing designs in the world and scaled very well to high core counts.The fact that Zen 2 is better doesn't reduce the excellence of Zen 1.−ksec4yIn what universe did Zen 1 fail?Failed in the context of NUMA, not the product or uArch. Which is still an issue with Zen 2. Only better managed.−shituonui4yThey made a tradeoff of having higher and less uniform memory access. This was not a failure. It was a decision that paid off.
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In what universe did Zen 1 fail? Zen 1 was one of the best-performing designs in the world and scaled very well to high core counts.
The fact that Zen 2 is better doesn't reduce the excellence of Zen 1.
Failed in the context of NUMA, not the product or uArch. Which is still an issue with Zen 2. Only better managed.
They made a tradeoff of having higher and less uniform memory access. This was not a failure. It was a decision that paid off.