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> so they can put 48, 96 cores in a single machine. > so just add more cores to it. Oh my...thermals. I don't know where to begin. Scaling cores (even if they
by spectramax 8y ago
> so they can put 48, 96 cores in a single machine.
> so just add more cores to it.
Oh my...thermals. I don't know where to begin. Scaling cores (even if they're efficient) poses many challenges - thermal, core-to-core bandwidth, interposer design issues and warpage, and most importantly, yield as the die size gets larger. Or you'd have to break up the core dice into many die and create fabric such as what AMD Epyc server chips are doing, etc...etc. A 96 core die with decent power envelope would be in the order of 300-500 watts.