How would undocummented, private ISA extensions work in Linux-based systems?

By: Doug S (foo.delete@this.bar.bar), October 19, 2022 12:22 pm
Room: Moderated Discussions
Chester (lamchester.delete@this.gmail.com) on October 19, 2022 12:11 pm wrote:
> In Apple AMX's case, they introduce an extra 80 registers, each of which are 64 bytes wide.
> The kernel needs to save and restore these on a context switch. So, you need a kernel change.


Hopefully they a bit to track usage of AMX, to avoid saving/restoring that much context when it isn't necessary.
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How would undocummented, private ISA extensions work in Linux-based systems?Ana Rodriguez2022/10/19 11:12 AM
  How would undocummented, private ISA extensions work in Linux-based systems?Chester2022/10/19 12:11 PM
    How would undocummented, private ISA extensions work in Linux-based systems?Doug S2022/10/19 12:22 PM
    How would undocummented, private ISA extensions work in Linux-based systems?Ana Rodriguez2022/10/19 01:20 PM
      How would undocummented, private ISA extensions work in Linux-based systems?Ana Rodriguez2022/10/19 01:27 PM
        How would undocummented, private ISA extensions work in Linux-based systems?nksingh2022/10/19 02:05 PM
          How would undocummented, private ISA extensions work in Linux-based systems?Ana Rodriguez2022/10/19 02:35 PM
            How would undocummented, private ISA extensions work in Linux-based systems?Geoff Langdale2022/10/19 05:15 PM
              How would undocummented, private ISA extensions work in Linux-based systems?Chester2022/10/20 12:01 PM
        How would undocummented, private ISA extensions work in Linux-based systems?---2022/10/19 07:01 PM
        How would undocummented, private ISA extensions work in Linux-based systems?Doug S2022/10/19 10:08 PM
        How would undocummented, private ISA extensions work in Linux-based systems?Eric Fink2022/10/20 04:10 AM
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