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Thread: Looking to line out a dual hexie (Istanbul)

  1. #201
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    Man that really sucks. Well I was glad I was able to help a little even though it didn't work out for you.
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  2. #202
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    I'm online! Last board was bad.

    Take note that this is at default frequency (2.2 GHz) without any memory dedicated to CPU2. All memory I/O goes over HT to CPU1. This slows things down quite a bit, but I've only got the two DIMMs for now. Even so, it's pretty clear how terrible the CB10 engine is at MT.

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  4. #204
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    Talking

    Awesome! Nice to see it working finally.

    Hey, you know I'd always be willing to swap those 1MB Pentium Pros you want for those Istanbuls

  5. #205
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    Go going there Particle. The kernal usage graph looks like the sickest roller coaster ever
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  6. #206
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    Quote Originally Posted by jcool View Post
    Guys.. ONE CPU. Read etc.

    Still nice particle, those new chips certainly aren't power hogs
    My Gainsy takes 95W idle (with onboard vga) and 275W BOINC with 16 threads running, for comparison.
    Two CPUs + Radeon 3870 = 259W in WCG I win! (at something at least lol)

    Particle's First Rule of Online Technical Discussion:
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    Rule 1A:
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    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!

    Random Tip o' the Whatever
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  7. #207
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    OVERCLOCK! Really I wanna see some overclocks both 1 socket and dual, with stuff like w-prime...
    Also whats with red lines in task manger with green?(NVM)
    Edit: Found my own answer... kernal times
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  8. #208
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    nice man nice damn i wish someone releases a dual socket overclockin board
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  9. #209
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    Quote Originally Posted by Particle View Post
    I'm online! Last board was bad.

    Take note that this is at default frequency (2.2 GHz) without any memory dedicated to CPU2. All memory I/O goes over HT to CPU1. This slows things down quite a bit, but I've only got the two DIMMs for now. Even so, it's pretty clear how terrible the CB10 engine is at MT.
    yes, but i think if u o/c'd the ramz a tinch it would help the scaling :p

    but seriously, nice configuration. i'm figuring atleast 10.xxx speedup when u get the rams for the second cpu
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  10. #210
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    Very nice! 26.4 more gigglehurtz to the GRID!

  11. #211
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    Awesome! Really curious what the speedup will be when the 2nd CPU has access to it's own memory. If you wouldn't mind, run a wPrime 1024M run and record the time for me.

  12. #212
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    Yes this dis the awesomest-especially at 4 in the morning. Congratulations on all the work thus far on this. Quiet an adventure!!!

  13. #213
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    Oh my god that's sexy

    Why aren't you overclocking it like a maniac already! We want atleast 3GHz!
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  14. #214
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    Gongratz on getting it sorted.

    I hope some extra ram arrives soon. I wanna see that thing run alright.

  15. #215
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    Quote Originally Posted by Particle View Post
    Two CPUs + Radeon 3870 = 259W in WCG I win! (at something at least lol)
    Awesome to see this up and crunching particle!
    Yeah, you win.. if this will match my Gainestown's output of approx. 48k/d.
    I'm not sure it can do that, maybe?

    Oh yeah, I agree, we want to see you OCing that rig
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  16. #216
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    Quote Originally Posted by Sgt.McRuff View Post
    OVERCLOCK! Really I wanna see some overclocks both 1 socket and dual, with stuff like w-prime...
    Quote Originally Posted by Smartidiot89 View Post
    Why aren't you overclocking it like a maniac already! We want atleast 3GHz!
    Quote Originally Posted by msimax View Post
    nice man nice damn i wish someone releases a dual socket overclockin board
    I'll get to work on that tonight. hehe Last night was spent doing some testing on the system to make sure everything operated as expected. Then I began the process of modifying my case to accept an E-ATX motherboard. Being a custom case, I designed it with a 13x14" motherboard tray so that it had the capability to accept an E-ATX board if I chose to use one at a future date, but I'd only drilled and threaded holes for the normal ATX standoff positions. No longer! The new board is mounted! Just needs some more work to finish up before I can get back online for good.

    The application I'm using to overclock with seems to stop at an HT base of 250 MHz, effectively limiting me to 2.75GHz. No promises that we'll even hit that, however. These are completely unknown waters to everyone at this point.

    Quote Originally Posted by N19h7m4r3 View Post
    Gongratz on getting it sorted.
    Quote Originally Posted by i found nemo View Post
    but seriously, nice configuration. i'm figuring atleast 10.xxx speedup when u get the rams for the second cpu
    Quote Originally Posted by CaptMorgan View Post
    Yes this dis the awesomest-especially at 4 in the morning. Congratulations on all the work thus far on this. Quiet an adventure!!!
    Quote Originally Posted by PoppaGeek View Post
    Very nice! 26.4 more gigglehurtz to the GRID!
    Thank you guys for supporting me. That's probably most of the reason I did this in the first place--I knew there were curious people around like myself.

    Quote Originally Posted by [XC] gomeler View Post
    Awesome! Really curious what the speedup will be when the 2nd CPU has access to it's own memory. If you wouldn't mind, run a wPrime 1024M run and record the time for me.
    Me too. I actually seem to get slightly higher runs out of one 2GB stick in single channel on each CPU, so I'm hopeful that dual channel DDR2-800 will help out significantly.

    I'll try to do that wPrime run tonight for you.

    Quote Originally Posted by jcool View Post
    Awesome to see this up and crunching particle!
    Yeah, you win.. if this will match my Gainestown's output of approx. 48k/d.
    I'm not sure it can do that, maybe?

    Oh yeah, I agree, we want to see you OCing that rig
    Yeah, yeah. That's what I was getting at--win at "something" (just power consumption). At 2.2GHz, I've no illusions of setting stunning performance records for anything even with 12 cores. We'll have to see how far it'll clock, and before I go too crazy I want to inspect the VRMs to see what I'm dealing with. I'd also like to get a fan on their heatsinks and maybe some real thermal paste.
    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!

    Random Tip o' the Whatever
    You just can't win. If your product offers feature A instead of B, people will moan how A is stupid and it didn't offer B. If your product offers B instead of A, they'll likewise complain and rant about how anyone's retarded cousin could figure out A is what the market wants.

  17. #217
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    Anybody know where I can get a pair of Istanbulls from in the UK?

    Or have they not hit our shores yet in anything other than OEM form?

    Building a new rig in just over a month and would love to go dual socket.

  18. #218
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    As always, us Europeans are late to the Istanbul party... that's why I have started buying stuff from the US, it's not only way cheaper but soemtimes the only way to get recent HW.
    For example, my Tyan Dual LGA1366 mobo STILL isn't available in Europe!
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  19. #219
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    Which stores do you get stuff from jcool and do they deliver to the UK?

    One thing that puts me off a bit about importing is that if HM customs intercept the package then they will bend you over a desk and... well... I can't say it because of the dancing bananas but you get the gist.

    Sorry I forgot to mention in my previous post particle that your system is amazing and have sub'd this thread cos I can't wait to see your OC'ing results. Even if they are minimal I am very interested to see if it is possible to push any gain out of the system at alll.

  20. #220
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    Quote Originally Posted by Particle View Post
    I'm online! Last board was bad.

    Take note that this is at default frequency (2.2 GHz) without any memory dedicated to CPU2. All memory I/O goes over HT to CPU1. This slows things down quite a bit, but I've only got the two DIMMs for now. Even so, it's pretty clear how terrible the CB10 engine is at MT.

    I predict that when you have memory for both CPUs, and maybe a board in the future with a much faster HT link speed, you'll see a multi-threaded speedup ~11x, instead of 8.53x. I really think the current boards bottleneck these Istanbuls a lot.

    I'm confident we're only seeing a fraction of their performance right now.
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  21. #221
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    Quote Originally Posted by Chris_redfield View Post
    Which stores do you get stuff from jcool and do they deliver to the UK?

    One thing that puts me off a bit about importing is that if HM customs intercept the package then they will bend you over a desk and... well... I can't say it because of the dancing bananas but you get the gist.
    Yeah I know direct import isn't an option because of customs, that's why I use.. other means. I can't really disclose them here but generally getting someone else within the EU who lives in a country where customs isn't such an issue to help you reroute the package will do the trick.
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  22. #222
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    Quote Originally Posted by Particle View Post
    Yeah, yeah. That's what I was getting at--win at "something" (just power consumption). At 2.2GHz, I've no illusions of setting stunning performance records for anything even with 12 cores. We'll have to see how far it'll clock, and before I go too crazy I want to inspect the VRMs to see what I'm dealing with. I'd also like to get a fan on their heatsinks and maybe some real thermal paste.
    Good idea, your task manager ss looks like your cpu is throttling @ only 2.2GHZ; check it out before you break your expensive hardware.

  23. #223
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    Very interested to see if you can OC.

    Here's my question, is it possible to get a Quad Socket F board and put 4 of these badboys in?

  24. #224
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    Yes, but you'd need series 8000 Istanbuls, which are priced out of this world. Like 1600€ per CPU for the slowest 2,4Ghz model.
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  25. #225
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    Quote Originally Posted by Mechromancer View Post
    I predict that when you have memory for both CPUs, and maybe a board in the future with a much faster HT link speed, you'll see a multi-threaded speedup ~11x, instead of 8.53x. I really think the current boards bottleneck these Istanbuls a lot.

    I'm confident we're only seeing a fraction of their performance right now.
    I've been a bit puzzled by this actually. The Istanbul CPUs support HT3 and the motherboard does as well. I'm not sure why the link is only 5x200. *scratches head* I think the speed seen here isn't really relevant. The link between the CPUs themselves should auto-negotiate directly and establish the proper 4.8GT/s HT link. Only the link to the chipset for PCIe traffic and such should be impacted by the HT link speed shown. I'll see what more information I can find on this.

    Quote Originally Posted by Zucker2k View Post
    Good idea, your task manager ss looks like your cpu is throttling @ only 2.2GHZ; check it out before you break your expensive hardware.
    I'm not certain what you mean. The CPU frequency of the 2427s is 2.2GHz. I've disabled both throttling and PowerNow.

    Quote Originally Posted by Slappa View Post
    Very interested to see if you can OC.

    Here's my question, is it possible to get a Quad Socket F board and put 4 of these badboys in?
    It can certainly be overclocked. I experimented with it briefly on my faulty motherboard and did some 2.5GHz action. I haven't yet figured out how to get vCore up on this board as K10Stat's VID settings don't seem to take effect as far as I can tell.

    There are quad boards that can support Istanbul processors, but you'll need 8000 series ones instead of 2000 series like mine. They have extra HT links allowing more CPUs to work together at once, and they're much more (prohibitively) expensive.
    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!

    Random Tip o' the Whatever
    You just can't win. If your product offers feature A instead of B, people will moan how A is stupid and it didn't offer B. If your product offers B instead of A, they'll likewise complain and rant about how anyone's retarded cousin could figure out A is what the market wants.

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