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'Scusi, I said "they [each core] share the L1/L2 cache". Badly put but I thought on x86 each core had strictly private L1/L2, and L3 was shared across the socke
by tempguy9999 7y ago
'Scusi, I said "they [each core] share the L1/L2 cache". Badly put but I thought on x86 each core had strictly private L1/L2, and L3 was shared across the socket. Am I wrong in thinking L2 is private to each core?
- dragontamer 7y agoI think L1 / L2 is private per core, but I'm not 100% sure. I "retreated" by stating L1 cache, because I'm 100% sure that l1 cache is private per core. I know L3 is external to the core, and L1 is private. L2 is that iffy spot in my memory that I'd have to read a few manuals to remember exactly where it is... lol.
- haneefmubarak 7y agoNot the parent, but yes on modern x86 L1/L2 is private. The key difference though is that the L1 is smaller and actually a physical part of the core, whereas the L2 is bigger and sits next to the core (read: further away from the execution engine).