The next Apple chip

By: James (no.delete@this.thanks.invalid), November 21, 2020 8:18 am
Room: Moderated Discussions
Brett (ggtgp.delete@this.yahoo.com) on November 20, 2020 8:56 pm wrote:

> But to go wider x86 decoding becomes expensive in area and
> heat. x86 is stuck between a rock and a hard place, something has to give.

Two obvious routes are keeping the decoder much as it is and making the L0 cache and the rest of the core wider, and adding decode hints to the L1 instruction cache.

You could do either of those without breaking compatibility -- so history implies both Intel and AMD would want to do so if it was practical.
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The next Apple chipMaynard Handley2020/11/19 09:22 PM
  The next Apple chipanon22020/11/19 09:59 PM
    The next Apple chipMaynard Handley2020/11/20 10:45 AM
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      The next Apple chipDoug S2020/11/21 09:34 AM
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    The next Apple chipMaynard Handley2020/11/20 10:51 AM
      The next Apple chipDoug S2020/11/20 12:07 PM
        The next Apple chipMaynard Handley2020/11/20 12:54 PM
          The next Apple chipDoug S2020/11/20 02:34 PM
  The next Apple chipRichard S2020/11/20 06:38 PM
  The next Apple chipDavid Hess2020/11/20 07:35 PM
    The next Apple chipBrett2020/11/20 09:56 PM
      The next Apple chipJames2020/11/21 08:18 AM
        The next Apple chipBrett2020/11/21 08:38 AM
      The next Apple chipDavid Hess2020/11/21 08:17 PM
      The next Apple chipHoward Chu2020/11/22 02:52 PM
        The next Apple chipBrett2020/11/25 06:27 PM
    The next Apple chipNaNon2020/11/21 04:01 AM
      The next Apple chipMaynard Handley2020/11/21 11:30 AM
      The next Apple chipDavid Hess2020/11/21 08:43 PM
        The next Apple chipJukka Larja2020/11/21 09:16 PM
          The next Apple chipDavid Hess2020/11/21 09:47 PM
          The next Apple chipDoug S2020/11/22 11:17 AM
            The next Apple chipJukka Larja2020/11/23 06:57 AM
        The next Apple chipMaynard Handley2020/11/22 11:12 AM
          The next Apple chipJukka Larja2020/11/23 07:13 AM
          The next Apple chipdmcq2020/11/23 09:18 AM
    The next Apple chipDoug S2020/11/21 09:53 AM
      The next Apple chipDavid Hess2020/11/21 08:40 PM
    The next Apple chipJacob Marley2020/11/21 12:40 PM
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