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Not the whole story in the real world for x86_64 architecture, there are other states like Owned and Forward. IIRC, modern ARM uses AXI4 and ACE for CC. https:
by modells 8y ago
Not the whole story in the real world for x86_64 architecture, there are other states like Owned and Forward. IIRC, modern ARM uses AXI4 and ACE for CC.
https://en.wikipedia.org/wiki/MOESI_protocol https://en.wikipedia.org/wiki/MOESI_protocol
https://en.wikipedia.org/wiki/MESIF_protocol https://en.wikipedia.org/wiki/MESIF_protocol
- jplayer01 8y agoUh, he mentions that some details such as additional states might differ depending on the CPU/architecture. He isn’t trying to write a comprehensive reference for everything you’ll see in the wild.