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Thread: PCPER.com: 5 GHZ+ Phenom II Overclock on Dry Ice, 6Ghz on LN2

  1. #501
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    Quote Originally Posted by Macadamia View Post
    I'm certain you can put 2 cores in a 4-way board. Isn't that hard after all.
    That's what I thought, and obviously that is what is indicated, but I think you both are talking about the performance numbers in the linked benchmark.

  2. #502
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    why so much confusion about the zdnet article... numbers just fit fine...

    Queen:

    Dunnington:
    12core: 57432
    1core: 5635

    Scaling: 10,2

    the only odd thing are the julia benches.

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    Quote Originally Posted by Shintai View Post
    Then its all about the cache so to say

    That also explains the "unrealistic" 25% increase from Phenom to Phenom 2 in this test. Not even to talk about the 100% change to the 7000 series Xeons.
    BTW, a Chinese website showed a 3.2Ghz QX9770 getting 24k while a 3.5Ghz Q9300 (6MB Cache) @ 3.5Ghz OC get 20k.

    More food for thought?
    Quote Originally Posted by radaja View Post
    so are they launching BD soon or a comic book?

  4. #504
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    Quote Originally Posted by Macadamia View Post
    BTW, a Chinese website showed a 3.2Ghz QX9770 getting 24k while a 3.5Ghz Q9300 (6MB Cache) @ 3.5Ghz OC get 20k.

    More food for thought?
    Nah, that fits the cache theory
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  5. #505
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    Quote Originally Posted by Chad Boga View Post
    Not that it is going to make any great difference to the finished product either way, but I wonder how much of Deneb's improvements are due to the process and how much are due to fixing issues which plagued Barcelona?

    Barcelona was quite a rushed design afterall.
    Yes, the core has gone some optimizations such as fiing coldbug and allowing high clocks(dunno if it is due to 45nm or an actual march fix). IPC-wise there is not that much, except 3x bigger L3 and lower latencies(?).

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    Quote Originally Posted by Calmatory View Post
    Yes, the core has gone some optimizations such as fiing coldbug and allowing high clocks(dunno if it is due to 45nm or an actual march fix). IPC-wise there is not that much, except 3x bigger L3 and lower latencies(?).
    Do you have some info to link on that? It would be nice to know more about the IPC changes.
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    Does anybody know if AMD still uses SOI in 45nm.? It wasn't mentioned in the press release. The lack of cold bug is pretty fishy

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    Quote Originally Posted by kl0012 View Post
    Does anybody know if AMD still uses SOI in 45nm.? It wasn't mentioned in the press release. The lack of cold bug is pretty fishy
    Yes it is still SOI.
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    Quote Originally Posted by kl0012 View Post
    Does anybody know if AMD still uses SOI in 45nm.? It wasn't mentioned in the press release. The lack of cold bug is pretty fishy
    Yes they do(use SOI).SOI is even planned for high perf.(read server/desktop) parts on 32nm while bulk and highK is for GPUs and low power CPU parts(mobile/netbooks).

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    Quote Originally Posted by JumpingJack View Post
    I have the HW and the game, I could run it for you... are you still interested in seeing it ... both 3.0 GHz C2Q and Core i7 3.2 GHz... on 4870 X2.

    Jack
    i would really...but don't know if its worth the trouble if only 2 peoples are interested
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    Quote Originally Posted by JumpingJack View Post
    I have the HW and the game, I could run it for you... are you still interested in seeing it ... both 3.0 GHz C2Q and Core i7 3.2 GHz... on 4870 X2.

    Jack
    I'm really interested,but those phenomII results from that blog are kinda fishy so it would be pointless for you to waste your time if we can't compare the results.Thanks anyway .

    Quote Originally Posted by LOE View Post
    it doesn't make sense using bulk for low power cpu parts, as SOI offers better thermals and power consumption, SOI is perfect for low power, low frequency devices

    I think they will use bulk for GPUs and chipsets only, might be wrong thou, but thats what pure logic is dictating
    You clearly misunderstood me.Bulk is for GPUs and highk is for low power CPU parts
    while bulk and highK is for GPUs and low power CPU parts(mobile/netbooks).
    <-respectively.
    Last edited by informal; 11-24-2008 at 07:19 AM.

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    Err... why can't 32nm SOI HP use HKMG too?
    Weren't IBM-AMD working in that direction?

    Whether the GPUs have HKMG is up to timeframe, since I think HKMG does not need a big transition in terms of design.
    Quote Originally Posted by radaja View Post
    so are they launching BD soon or a comic book?

  13. #513
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    Quote Originally Posted by STaRGaZeR View Post
    Nobody is trying to save you, I'm trying to save myself from clicking a thread and find just

    So far nobody has talked about perfomance. Who cares if it can clock to 4GHz if perfomance is equivalent to a 400MHz less C2Q. I guess we won't have any proven info about that until we reach the launch day (that doesn't include Mark's blog and similar, just in case).

    I think you need to calmly wait and see, like for all of us there is an NDA on any numbers being published.

    Try to remain focused on the main context of the thread, which was Phenom2 is hitting well over 5GHZ chilled. When the numbers surface detailing performance we will start the debate all over gain.
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    Quote Originally Posted by G0ldBr1ck View Post
    Do you have some info to link on that? It would be nice to know more about the IPC changes.
    Nothing much, based on rumours AMD saying "up to 25 %" IPC improvements for Shanghai over Barcelona(NOT for Deneb over Agena, however!). Some leaked Deneb tests whow approx. 5-10 % increases over Agena(C1 AFAIK). It is hard to say how much it is faster "on average" because it is solely up to the tested apps. E.g. I could test only with programs which yield biggest gains and claim that "+15 % increases" whereas usual desktop apps(E.g. WinRAR, divx/video en/decoding, photo editing, audio en/decoding etc) show less than 5 % increases on average (NOTE: I am not claiming that those apps would show less than 5 % IPC improvement, that is just a simplified example! And I have no clue about the IPC improvements on different apps, other than that it should be from 5-10 %, quite average I'd say, sometimes less, sometimes more.).

    I'd say that +7 % IPC improvement is slightly pessimistic one. I'd look forward to 8-10 %, but it varies between apps so much that it is impossible to prove/tell/check anyway.
    Last edited by Calmatory; 11-24-2008 at 07:46 AM.

  15. #515
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    I have been seing this statement around the web quite a bit, not sure what its based on but it sounds way out there..........

    Beyond that, from a clock-for-clock performance perspective, optimizations have been made to the CPU pipeline, including improvements to branch prediction, pre-fetch mechanisms and TLB (translation look-aside buffer) optimizations. In total, along with larger cache sizes (now 512KB L2 cache per core with a 6MB L3 cache) and higher clock speeds, AMD claims the new Phenom II X4 should offer a 30 – 40% performance increase over all.
    Particle's First Rule of Online Technical Discussion:
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  16. #516
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    Branch prediction - now that was one of the things CPU Queens is supposed to be testing!

    (But it ended up loving cache more than BP. )
    Quote Originally Posted by radaja View Post
    so are they launching BD soon or a comic book?

  17. #517
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    Quote Originally Posted by G0ldBr1ck View Post
    I have been seing this statement around the web quite a bit, not sure what its based on but it sounds way out there..........
    As much as I want to believe it, I'm thinking that is just a wet dream. Now, it would be nice if I was proven wrong in January but I'm not holding my breath.
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    Any clue on what has been done for the branch predictor? Core architecture as great BP, for example Core architecture can predict branches perfectly up to 64 loops, while K10 can only predict perfectly up to 9 loops.

    I think that "AMD claims the new Phenom II X4 should offer a 30 – 40% performance increase over all." does mean that with higher clocks there can be up to(At least thats what they are saying when/if the claims don't meet with the reality, obviously ) 30-40 % performance gains(for same price?), not that IPC improvements would be so great. Don't try this, Shi....tttt.
    Last edited by Calmatory; 11-24-2008 at 08:11 AM.

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    WHY everybody respect the NDA from AMD and nobody respects NDA from Intel???????????
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  20. #520
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    BTW, for anyone having trouble with trolls or just someone who isn't exactly trolling but serially upsets you, this forum does sport Annoyance-Be-Gone Technology that is quite helpful for staying calm.

    ---

    Yes, SOI and HKMG are not exclusive. I wonder if AMD would see even further benefits to their already spectacular 45nm process if they utilized HKMG in conjunction with their existing SOI goodness.
    Particle's First Rule of Online Technical Discussion:
    As a thread about any computer related subject has its length approach infinity, the likelihood and inevitability of a poorly constructed AMD vs. Intel fight also exponentially increases.

    Rule 1A:
    Likewise, the frequency of a car pseudoanalogy to explain a technical concept increases with thread length. This will make many people chuckle, as computer people are rarely knowledgeable about vehicular mechanics.

    Rule 2:
    When confronted with a post that is contrary to what a poster likes, believes, or most often wants to be correct, the poster will pick out only minor details that are largely irrelevant in an attempt to shut out the conflicting idea. The core of the post will be left alone since it isn't easy to contradict what the person is actually saying.

    Rule 2A:
    When a poster cannot properly refute a post they do not like (as described above), the poster will most likely invent fictitious counter-points and/or begin to attack the other's credibility in feeble ways that are dramatic but irrelevant. Do not underestimate this tactic, as in the online world this will sway many observers. Do not forget: Correctness is decided only by what is said last, the most loudly, or with greatest repetition.

    Rule 3:
    When it comes to computer news, 70% of Internet rumors are outright fabricated, 20% are inaccurate enough to simply be discarded, and about 10% are based in reality. Grains of salt--become familiar with them.

    Remember: When debating online, everyone else is ALWAYS wrong if they do not agree with you!

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  21. #521
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    it seems AMD has rewrote the book when it comes to SOI.........they may end up having no use for HKMG on desktop CPU's.
    Particle's First Rule of Online Technical Discussion:
    As a thread about any computer related subject has its length approach infinity, the likelihood and inevitability of a poorly constructed AMD vs. Intel fight also exponentially increases.

    Rule 1A:
    Likewise, the frequency of a car pseudoanalogy to explain a technical concept increases with thread length. This will make many people chuckle, as computer people are rarely knowledgeable about vehicular mechanics.

    Rule 2:
    When confronted with a post that is contrary to what a poster likes, believes, or most often wants to be correct, the poster will pick out only minor details that are largely irrelevant in an attempt to shut out the conflicting idea. The core of the post will be left alone since it isn't easy to contradict what the person is actually saying.

    Rule 2A:
    When a poster cannot properly refute a post they do not like (as described above), the poster will most likely invent fictitious counter-points and/or begin to attack the other's credibility in feeble ways that are dramatic but irrelevant. Do not underestimate this tactic, as in the online world this will sway many observers. Do not forget: Correctness is decided only by what is said last, the most loudly, or with greatest repetition.

    Remember: When debating online, everyone else is ALWAYS wrong if they do not agree with you!

  22. #522
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    Quote Originally Posted by vbo View Post
    WHY everybody respect the NDA from AMD and nobody respects NDA from Intel???????????
    How many people saw the results? How many enthusiast people care about AMD? People are after Nvidia and Intel everywhere.

  23. #523
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    Quote Originally Posted by G0ldBr1ck View Post
    it seems AMD has rewrote the book when it comes to SOI.........they may end up having no use for HKMG on desktop CPU's.
    Thats BS, SOI and HK/MG are solutions for totally different problems (channle leakage vs gate leakage).

  24. #524
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    I say we take it easy. We have had too much crap around.

    An example: http://www.theinquirer.net/en/inquir...30000-3dmark06

    Is the source different?

    Yes.

    Is it good enough?

    No.

    So I say too little known yet.

  25. #525
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    Quote Originally Posted by Particle View Post
    BTW, for anyone having trouble with trolls or just someone who isn't exactly trolling but serially upsets you, this forum does sport Annoyance-Be-Gone Technology that is quite helpful for staying calm.

    ---
    Yes, indeed! I have had to use it a couple of times over the years. I really hate doing it because my belief is that almost everybody has something to share and are genuinely good people, but there are a few on the Internet who only exist to cause trouble. I now have a grand total of ONE such individual in my Ignore list. I'm not even sure he is still a member here, and I don't wanna know. I have been on forums for over 20 years. Actually longer...try "billboards" for those that know what those were. Rarely have I ever had to do something like that. Like I said, I hate being forced to use that function.

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