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Thread: AMD : We Are On Track With Steamroller Micro-Architecture in 2013 - XBitLabs

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    AMD : We Are On Track With Steamroller Micro-Architecture in 2013 - XBitLabs

    AMD: We Are On Track With Steamroller Micro-Architecture in 2013 - XBitLabs

    Advanced Micro Devices has released a presentation for investors that puts the launch of the new Steamroller micro-architecture in 2013. While the company did not unveil what chips will feature Steamroller high-performance x86 cores this year, it implied that the new generation of server-class Opteron chips will be based on Steamroller, the micro-architecture AMD puts a lot of hopes on.


    With steamroller, AMD not only incorporated two decoders per module, but also increased instruction cache size (to lower i-cache misses by 30%), enhanced instruction pre-fetch (the number of mis-predicted branches is down by 20% compared to Bulldozer ) as well as improved max-width dispatches per thread by 25%. AMD believes that Steamroller will provide 30% improvement in ops per cycle.

    AMD also advanced single-core execution by implementing 5%-10% more efficient scheduling, incorporated higher-capacity register files and performed some other tweaks. It should be noted that while integer pipes of Steamroller will not be too different from existing ones, the floating point pipe will be a bit redesigned. In general, AMD promises that both integer and floating point per-core performance of Steamroller will be higher than they are today with Bulldozer micro-architecture.
    edit :

    You can find the investor presentation on the AMD site here :

    http://phx.corporate-ir.net/External...F8VHlwZT0z&t=1

    Thanks to Marc from HFR
    Last edited by Olivon; 04-01-2013 at 03:26 AM.

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    Is this Server only? No FX CPUs in the pdf?

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    If they really hit their objectives, this could really kick butts. Now if they could do it on 22nm that would be nice.

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    Glad the date was this [03/31/2013 08:02 AM] and not 04/01/2013.

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    Quote Originally Posted by Mats View Post
    Is this Server only? No FX CPUs in the pdf?
    Makes sense. I recall that one year ago there were several news around stating that AMD was going to stop competing against Intel on the high end CPU market, so it doesn't surprise me that there is no CPU-only version of Steamroller for Desktop. But what are we missing? After all, Steamroller should at best reduce the gap against Ivy Bridge... during Haswell era.

    More than a decade ago, the CPU performance crown used to be heavily contested, heck, I even recall the 3 years from K8 launch to Conroe debut that Desktop was almost totally dominated by AMD. But these days Intel wins hands down in most metrics I think about, like performance, power consumption, and overclocking headroom, the only important thing left is price performance. You can always have an underperforming product (On absolute term current Piledriver is not THAT bad, performance is fine for almost any normal task, but is still inferior to current competition offerings and Steamroller hardly will change that) and competitively price it, but even if AMD can put a good price tag a hipotetic second-runner Steamroller, chances are that it would still be overally a dull product that doesn't bring anything new to the table. Besides, "competitively pricing" has a huge con: Profit margins. If AMD has to keep making huge dies half a node behind Intel to compete with their smaller, better performing, and more efficient products, I don't think that they can actually make tasty profits from that. Possibily AMD considered that it is not even worth pursuing that second place anymore.
    So, on Desktop, a CPU-only Steamroller to keep in line with current FXs doesn't make much sense. I can't think that a Steamroller CPU-only succesor to the current Vishera could be a product fulfilling an important purpose, when you have a shrinking high-end Desktop market, that will also be very well served by Intel.

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    Modular core?

    Can anyone explain? I'm not familiar (and I own one of these g34 cpus. :facepalm: )
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    If AMD is going to launch Opteron branded chip that has SR core inside during 2013, you can bet whatever you want it will be FM2 compatible Kaveri APU .

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    That's my guess too.

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    hopefully the improvement in the SR would be substantially close the gap with IVB.
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    Quote Originally Posted by informal View Post
    If AMD is going to launch Opteron branded chip that has SR core inside during 2013, you can bet whatever you want there will be an am3+ SR FX part .
    fix it for you
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    Not during 2013 or AMD is really ahead of schedule.

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    maybe only APU for mobile segment in 2013 (Kaveri) and others later next year
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    no more FX ???
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    i think, FX will be in 2014, not this year (SR FX). This year we see next Visheras FX (maybe FX-8370 or so). It was in roadmaps http://cdn.cpu-world.com/news_2012/i...op_roadmap.jpg
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