Zen 3

By: Adrian (a.delete@this.acm.org), October 8, 2020 9:13 am
Room: Moderated Discussions
Blue (blue.delete@this.blue.com) on October 8, 2020 9:58 am wrote:
> AMD's announce Zen3 with an average of 19% IPC uplift "in desktop applications"
> and about a 5-10% clockspeed boost (ST, MT unknown).
>
> Seems like they're rightfully pushing to up their margin.
>
> If AMD can keep up this 15-19% gains every generation, when do
> the "big on ARM" folks think ARM will effectively catch up?


I am waiting with a lot of curiosity disclosures about the new microarchitecture.


Already since last year there was a rumor that Zen 3 will have a floating-point throughput higher by 50% than Zen 2.

Supposing that the rumor was true, that would mean that the new FPU is able to do 3 (256-bit) FMAs per cycle, instead of 2.

For now, the presentation said that not only the integer execution unit is wider, but also the FPU is wider, without any other details.

So it is possible that the rumor was true, but we will probably learn that around the launch on November 5.
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TopicPosted ByDate
Zen 3Blue2020/10/08 08:58 AM
  Zen 3Rayla2020/10/08 09:10 AM
  Zen 3Adrian2020/10/08 09:13 AM
    Does anyone know whether Zen 3 has AVX-512? (NT)Foo_2020/10/08 10:54 AM
      Does anyone know whether Zen 3 has AVX-512?Adrian2020/10/08 11:11 AM
  Zen 3 - Number of load/store units2020/10/08 09:21 AM
    Zen 3 - Number of load/store unitsRayla2020/10/08 09:28 AM
      Zen 3 - Number of load/store units2020/10/08 10:22 AM
        Zen 3 - Number of load/store unitsAdrian2020/10/08 10:53 AM
          Zen 3 - Number of load/store unitsTravis Downs2020/10/08 08:45 PM
          Zen 3 - CAD benchmarkPer Hesselgren2020/10/09 06:29 AM
            Zen 3 - CAD benchmarkAdrian2020/10/09 08:27 AM
        Zen 3 - Number of load/store unitsitsmydamnation2020/10/08 01:38 PM
          Zen 3 - Number of load/store unitsGroo2020/10/08 01:48 PM
            Zen 3 - Number of load/store unitsWilco2020/10/08 02:02 PM
              Zen 3 - Number of load/store unitsDummond D. Slow2020/10/08 03:39 PM
                Zen 3 - Number of load/store unitsDoug S2020/10/09 07:11 AM
                  Zen 3 - Number of load/store unitsDummond D. Slow2020/10/09 08:43 AM
                    Zen 3 - Number of load/store unitsDoug S2020/10/09 12:43 PM
                      N7 and N7P are not load/Store units - please fix the topic in your replies (NT)Heikki Kultala2020/10/10 06:37 AM
  Zen 3Jeff S.2020/10/08 11:16 AM
    Zen 3anon2020/10/08 12:57 PM
    Disappointing opening line in paperPaul A. Clayton2020/10/11 05:16 AM
      Thoughts on "Improving the Utilization of µop Caches..."Paul A. Clayton2020/10/14 11:11 AM
        Thoughts on "Improving the Utilization of µop Caches..."anon2020/10/15 10:56 AM
          Thoughts on "Improving the Utilization of µop Caches..."anon2020/10/15 10:57 AM
            Sorry about the messanon2020/10/15 10:58 AM
              Sorry about the messBrett2020/10/16 02:22 AM
          Caching dependence info in µop cachePaul A. Clayton2020/10/16 05:20 AM
            Caching dependence info in µop cacheanon2020/10/16 11:36 AM
              Caching dependence info in µop cachePaul A. Clayton2020/10/18 12:28 PM
  Zen 3juanrga2020/10/09 09:12 AM
  Zen 3Mr. Camel2020/10/09 05:30 PM
    Zen 3anon.12020/10/09 11:44 PM
      Cinebench is terrible benchmarkDavid Kanter2020/10/10 09:36 AM
        Cinebench is terrible benchmarkanon.12020/10/10 11:06 AM
        Cinebench is terrible benchmarkhobold2020/10/10 11:33 AM
          Some comments on benchmarksPaul A. Clayton2020/10/14 11:11 AM
            Some comments on benchmarksMark Roulo2020/10/14 02:21 PM
    Zen 3Adrian2020/10/10 12:59 AM
      Zen 3Adrian2020/10/10 01:18 AM
        Zen 3majord2020/10/15 03:02 AM
  Zen 3hobold2020/10/10 07:58 AM
    Zen 3Maynard Handley2020/10/10 09:36 AM
      Zen 3hobold2020/10/10 11:19 AM
        Zen 3anon2020/10/11 01:58 AM
          Zen 3hobold2020/10/11 11:32 AM
            Zen 3anon2020/10/11 12:07 PM
              Zen 3hobold2020/10/11 01:22 PM
    Zen 3anon2020/10/10 10:51 AM
    Zen 3Michael S2020/10/11 12:16 AM
      Zen 3hobold2020/10/11 01:13 AM
        Zen 3Michael S2020/10/11 01:18 AM
      Zen 3anon.12020/10/11 11:17 AM
  Zen 3David Hess2020/10/12 05:43 AM
    more power? (NT)anonymous22020/10/12 12:26 PM
      I think he's comparing 65W 3700X vs 105W 5800X (NT)John H2020/10/12 03:33 PM
        ?! Those are apples and oranges! (NT)anon2020/10/12 03:49 PM
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