Shared FPU wasn't BD's problem

By: Chester (lamchester.delete@this.gmail.com), September 1, 2021 11:05 am
Room: Moderated Discussions
anonymou5 (no.delete@this.spam.com) on August 31, 2021 2:09 pm wrote:
> Anon (no.delete@this.spam.com) on August 31, 2021 2:06 am wrote:
> > Adrian (a.delete@this.acm.org) on August 31, 2021 1:27 am wrote:
> > > If it would have been marketed realistically, it might have been much more successful, because there
> > > were enough cases when it made sense to buy a BD for decent performance at a lower price.
> >
> > At least they would save $12.5 millions
> > https://www.tomshardware.com/news/amd-fx-bulldozer-false-advertising-class-action-lawsuit-eight-cores-settlement,40256.html
>
> Had BD/PD/SR/XV been wildly successful we probably wouldn't have gotten Zen though. :-D

An alternate-universe Zen with a shared frontend and FPU might not have been that bad. Real Zen couldn't match Skylake's ST perf in most things, but got close enough and had better MT scaling.

Maybe CMT would give Zen even more MT performance per area.
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TopicPosted ByDate
AVX512 as co-processorMichael S2021/08/29 03:13 AM
  AVX512 as co-processor-.-2021/08/29 04:05 AM
    Shared FPU wasn't BD's problemChester2021/08/30 01:03 PM
      Excellent post (NT)Heikki Kultala2021/08/30 01:34 PM
      Shared FPU wasn't BD's problemP Snip2021/08/30 01:53 PM
      Shared FPU wasn't BD's problem-.-2021/08/30 05:47 PM
      Shared FPU wasn't BD's problemDavid Kanter2021/08/30 10:29 PM
        Shared FPU wasn't BD's problemChester2021/08/31 02:58 AM
          Shared FPU wasn't BD's problemDavid Kanter2021/08/31 09:28 AM
            Shared FPU wasn't BD's problemChester2021/08/31 12:29 PM
            Shared FPU wasn't BD's problemRayla2021/08/31 02:34 PM
      Shared FPU wasn't BD's problemAnon2021/08/31 12:28 AM
        Shared FPU wasn't BD's problemAdrian2021/08/31 01:27 AM
          Shared FPU wasn't BD's problemAnon2021/08/31 02:06 AM
            Shared FPU wasn't BD's problemanonymou52021/08/31 02:09 PM
              Shared FPU wasn't BD's problemChester2021/09/01 11:05 AM
      Shared FPU wasn't BD's problemKevin G2021/08/31 09:39 AM
        Shared FPU wasn't BD's problemChester2021/09/01 10:03 AM
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