AMD: Navi Speculation, Rumours and Discussion [2019]

Discussion in 'Architecture and Products' started by Kaotik, Jan 2, 2019.

  1. BRiT

    BRiT (╯°□°)╯
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    Any details about NAVI Special Function Units?
     
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  2. TheAlSpark

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    Other than the config, I'm not sure they've detailed anything else.
     
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  3. TheAlSpark

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  4. jlippo

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    I wonder when we will get some proper information on new features in terms of new instructions, ROP and so on.
     
  5. Digidi

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    @Ryan Smith sait, that he have a bunch of informations he will wrote down till last friday. I think the finformation are to much, but i think next week we will get mor infos on anandtech.
     
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  6. LordEC911

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    Probably get most of the basic architecture stuff whenever NDA lifts... so about two weeks?
    I would assume the super in-depth stuff would come at HotChips towards the end of August.
     
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  7. Bondrewd

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    HC'31, they have a Navi keynote there.
    Zen2 (well, probably Rome) speeds&feeds will be dropped there, too.
     
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  8. Globalisateur

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    How would 3 shader engines be structured using RDNA architecture ?
     
  9. Bondrewd

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    Can you even have non-power of 2 anything there?
     
  10. BRiT

    BRiT (╯°□°)╯
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    Multiple of 2, not Power of 2?
     
  11. vjPiedPiper

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    Pretty sure the NDA's drop on 7/7 so thats when we can expect actual benchmarks along with a detail architectural description / investigation.
     
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  12. jlippo

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    Sweet.
     
  13. w0lfram

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    Ian Cutress:
    When I spoke with Mark Papermaster at CES, he explained to be that AMD has one CPU architecture group and two implementation groups. Given recent successes with AMD’s product portfolio, do you expect that to change?

    Lisa Su:
    The CPU group is definitely getting larger, if that’s what you mean! But so is the GPU group – David (Wang) has a very large group too. But we are on a very clear roadmap – Zen 2 is what we’re talking about today, Zen 3 is deep deep in development, and Zen 4 is also in development. Similarly, with the GPU group, we’re talking about the first generation of RDNA today, and we have several generations in parallel. So I think the one thing that I would like to say is that our roadmap has not changed. Our roadmap, when Mark and I and the rest of the team started the roadmap, was the idea that we needed multiple generations of continuous improvement. So with Zen, Zen+, Zen 2, Zen 3, that was all part of the plan. As we go forward, we’re going to continue to be very very aggressive about the CPU.




    How far away is the 64CU RDNA(2) chip?
     
    #1053 w0lfram, Jun 26, 2019
    Last edited: Jun 26, 2019
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  14. Bondrewd

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    Should be H2'20 and no, it's not 64CU.
     
  15. del42sa

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    since latest roadmad says otherwise, It won´t be next year....
     
  16. Kaotik

    Kaotik Drunk Member
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    Which roadmap is that? The E3 one? You sure you're reading that right? Just because it ends with "2021" doesn't mean the end of the line is at the end of 2021.
    But let's entertain the idea that the end of the line is actually end of 2021 - with the line cut up to five equal portions (2017, 2018, 2019, 2020, 2021), that would still put the RDNA2 more on the 2020 side than 2021 side.
     
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  17. del42sa

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    No it clearly says RDNA2 is 7+nm , 7+nm products are 2021year just as next Ryzen

    https://forum.beyond3d.com/posts/2074161/
     
    #1057 del42sa, Jun 26, 2019
    Last edited: Jun 26, 2019
  18. anexanhume

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  19. pharma

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  20. Kaotik

    Kaotik Drunk Member
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    While Ryan knows probably crapload more than most of us put together, that post in no way indicates he has actual solid information on any dates or that AMD would have told him how to read it.
    But like I said, even if we assume the bar is ends at the end of 2021, the RDNA2 block is placed so it's more on the side of "2020" than "2021".

    upload_2019-6-26_22-42-2.png

    edit: same goes for Zen3 for that matter, nothing on the placement of it's block on the roadmap says "2021". As for the 7nm+ process, it's already in production, there's no need for delays because of that (as someone suggested near the post you linked I think)

    edit2:
    Let's just add this: AMD has outright said that Zen3 (Milan) is mid 2020 and reconfirmed that recently:
    https://www.anandtech.com/show/14568/an-interview-with-amds-forrest-norrod-naples-rome-milan-genoa
     
    #1060 Kaotik, Jun 26, 2019
    Last edited: Jun 26, 2019
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