Why did Zen start with 4 cores per CCX?

By: John H (john.delete@this.not.com), November 7, 2020 10:29 am
Room: Moderated Discussions
Just curious, after seeing the impressive latency gains on Zen 3;

Why did AMD design Zen originally with 2 x CCXs per die rather than just 1 CCX in the first place?

Was it to simplify creation of the Zen/+/2 APUs with less 'custom' work required vs the desktop/workstation/server dies? Yield related?

Thanks!

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TopicPosted ByDate
Why did Zen start with 4 cores per CCX?John H2020/11/07 10:29 AM
  Why did Zen start with 4 cores per CCX?David Kanter2020/11/07 11:06 AM
    Why did Zen start with 4 cores per CCX?me2020/11/07 01:48 PM
      Zen1 uncore lineageDavid Kanter2020/11/07 05:23 PM
        Zen1 uncore lineageitsmydamnation2020/11/08 04:58 PM
    Why did Zen start with 4 cores per CCX?John H2020/11/08 07:53 AM
      Why did Zen start with 4 cores per CCX?David Kanter2020/11/08 11:04 AM
  Why did Zen start with 4 cores per CCX?anon2020/11/07 12:07 PM
  Targeting scale-out servers??Paul A. Clayton2020/11/07 02:31 PM
  Why did Zen start with 4 cores per CCX?Ricardo B2020/11/08 07:48 AM
    Why did Zen start with 4 cores per CCX?Wes Felter2020/11/08 12:33 PM
      Why did Zen start with 4 cores per CCX?Ricardo B2020/11/08 05:23 PM
        Why did Zen start with 4 cores per CCX?Jeff E Graw2020/11/08 06:32 PM
          2-core ccxChester2020/11/08 11:22 PM
        Why did Zen start with 4 cores per CCX?aaron spink2020/11/09 12:15 AM
          Why did Zen start with 4 cores per CCX?Anon2020/11/09 01:14 AM
            Why did Zen start with 4 cores per CCX?aaronspink2020/11/09 02:10 AM
              Why did Zen start with 4 cores per CCX?Anon2020/11/09 12:06 PM
                Why did Zen start with 4 cores per CCX?Aaron Spink2020/11/09 03:13 PM
                  Why did Zen start with 4 cores per CCX?Anon2020/11/09 03:48 PM
          Why did Zen start with 4 cores per CCX?Jeff S.2020/11/09 02:16 AM
            Why did Zen start with 4 cores per CCX?Chester2020/11/09 03:02 AM
              Why did Zen start with 4 cores per CCX?Jeff S.2020/11/09 05:26 PM
                Why did Zen start with 4 cores per CCX?Chester2020/11/10 03:29 PM
                  Why did Zen start with 4 cores per CCX?anonymou52020/11/10 03:34 PM
                    Why did Zen start with 4 cores per CCX?Chester2020/11/10 03:56 PM
              Clean numbersAndrei F2020/11/10 04:12 PM
                Clean numbersMark Roulo2020/11/10 04:46 PM
                same difference?Chester2020/11/10 04:53 PM
                  It's a ring after allChester2021/08/23 01:20 PM
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