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Athlon 64: How AMD turned the tables on Intel

(dfarq.homeip.net)
331 points giuliomagnifico | 2 comments | 25 Sep 25 18:09 UTC | HN request time: 0s | source
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sciencesama ◴[25 Sep 25 20:54 UTC] No.45378924[source]▶
Will there be A 128bit revolution coming soon ?
replies(4): >>45378971 #>>45378993 #>>45380489 #>>45380640 #
1. tliltocatl ◴[25 Sep 25 20:59 UTC] No.45378993[source]▶
Not until we have technology for exabyte-scale memories (read: not any time soon).
replies(1): >>45379502 #
2. nick__m ◴[25 Sep 25 21:41 UTC] No.45379502[source]▶
Having 128bit in the adress bus is useless, no questions there !

But what about pointers provenance, tagging and capability. Having more bits would be useful to implement something like CHERI.