Looking at the ‘D1’ neural network training chip Tesla announced last week, there are said to be 576 lanes of 112Gbit serial data delivering 16Tbit/s of data, 4Tbit/s from each of the packages four sides. But multiplying 576 by 112, I get 64Tbit/s, or 8Tbyte/s, not 16 of anything. I write both bits and bytes as the …
This story continues at Tesla AI chip data rate confusion
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