Zen 3 - Number of load/store units

By: Groo (charlie.delete@this.semiaccurate.com), October 8, 2020 2:48 pm
Room: Moderated Discussions
itsmydamnation (no.delete@this.way.com) on October 8, 2020 2:38 pm wrote:

> While its all ARM level marchitecture for performance increase ( :) /s
> dont kill me ) AMD actually sold themselves short in some regards.
>
> What i mean by that is they game tested @ 1080p not 720p which increases how often they are GPU
> bound in a frame. LOL and CS:GO are by far the lightest GPU loads and also low CPU thread count
> and they show ~50% performance increase. That extra ~30 points of performance over base average
> IPC increase is going to be largely from low thread counts having access to 32mb of L3. If they
> game tested @ 720p and picked some more notorious low thread count games ( CIV5, cities skylines,
> etc) they could probably skew there gaming performance even higher from 26% perf improvement.
>
> Worth noting this is the Same 7nm process as Zen2 and thus no EUV until Zen4.

They gave out numbers at 4K as well, just not in the video. I won't repost or quote AMD's benchmark numbers until they get their heads out of their ass and properly disclose test setups like Intel does. That said they are out there.

Also the process is NOT the same as Zen 2, it is still a non-EUV 7nm but a different variant than before. AMD obviously didn't go into the weeds here when I asked, and TSMC's ever shifting naming conventions make things worse every time they update things, but it is not the same as it was.

-Charlie
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                    Zen 3 - Number of load/store unitsDoug S2020/10/09 01:43 PM
                      N7 and N7P are not load/Store units - please fix the topic in your replies (NT)Heikki Kultala2020/10/10 07:37 AM
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        Thoughts on "Improving the Utilization of µop Caches..."anon2020/10/15 11:56 AM
          Thoughts on "Improving the Utilization of µop Caches..."anon2020/10/15 11:57 AM
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              Sorry about the messBrett2020/10/16 03:22 AM
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            Caching dependence info in µop cacheanon2020/10/16 12:36 PM
              Caching dependence info in µop cachePaul A. Clayton2020/10/18 01:28 PM
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            Some comments on benchmarksMark Roulo2020/10/14 03:21 PM
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      I think he's comparing 65W 3700X vs 105W 5800X (NT)John H2020/10/12 04:33 PM
        ?! Those are apples and oranges! (NT)anon2020/10/12 04:49 PM
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