Not 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 th

Not 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).