Yeah, you need something like that to scale to large core counts, and especially if you wanna pull off some chiplet goodness (like AMD did with Ryzen). I think

Yeah, you need something like that to scale to large core counts, and especially if you wanna pull off some chiplet goodness (like AMD did with Ryzen). I think that's why it got lumped with the Fabric Interconnect layer in one of the block diagrams.