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A comment on AMD Demonstrates Stacked 3D V-Cache Technology: 192 MB at 2 TB/SEC. Parent comment
You will sometimes, but traffic that still overflows to the other chiplet is probably almost all traffic that would have gone to RAM before.
And as a reference point, cross-chiplet L3 is about 50 nanoseconds slower than local L3. That will dwarf most things.
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You will sometimes, but traffic that still overflows to the other chiplet is probably almost all traffic that would have gone to RAM before.
And as a reference point, cross-chiplet L3 is about 50 nanoseconds slower than local L3. That will dwarf most things.