Intel Architecture Manual Updates: bfloat16 for Cooper Lake Xeon Scalable Only?

Intel recently released a new version of its document for software developers revealing some additional details about its upcoming Xeon Scalable ‘Cooper Lake-SP’ processors. As it appears, the new CPUs will support AVX512_BF16 instructions and therefore the bfloat16 format. Meanwhile, the main intrigue here is the fact that at this point AVX512_BF16 seems to be only supported by the Cooper Lake-SP microarchitecture, but not its direct successor, the Ice Lake-SP microarchitecture.

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