IBM's AMX - Apple's way

By: Michael S (, August 24, 2021 2:43 am
Room: Moderated Discussions
- every core has access
- new instructions for AI accelerator
- but you have to use the libraries to use the instructions

All three aspects appear the same as Apple's:
1== Not coupled to particular core, but exposed to [system] SW as if coupled.
2== Accessed through ISA extension rather than memory-mapped I/O or moves into/out of SPRs
3== But IBM prefers to not make an extension public, probably to avoid obligations of compatibility in future generations

I wonder if IBM tried the strategy of non-public ISA extensions in S/360 derivatives in the past.
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IBM's AMX - Apple's wayMichael S2021/08/24 02:43 AM
  IBM's AMX - Apple's wayrwessel2021/08/24 05:10 AM
  IBM's AMX - Apple's wayMark Roulo2021/08/24 08:07 AM
    IBM's AMX - Apple's wayzArchJon2021/08/24 10:19 AM
    IBM's AMX - Apple's wayMichael S2021/08/24 10:26 AM
      IBM's AMX - Apple's wayzArchJon2021/08/24 10:41 AM
        IBM's AMX - Apple's wayMichael S2021/08/24 10:52 AM
        IBM's AMX - Apple's wayrwessel2021/08/25 06:04 AM
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