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Old 10-09-11, 12:16 AM   #97
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

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Originally Posted by nekrosoft13 View Post
that could explain why AMD was so quite about these chips, doesn't look that promising.

where does fx 8150 fit? top model? middle?
2nd to top.
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Old 10-09-11, 12:40 AM   #98
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

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2nd to top.
in that case, that looks pretty bad, was expecting a lot more
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Old 10-09-11, 05:57 AM   #99
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

8150 is top for launch. 8170 is meant to arrive later.

I'm not making any judgements until actual launch myself.
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Old 10-10-11, 03:52 AM   #100
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

OH DEAR! It seem Bulldozer is a big failure probably in the same fate as Pentium 4 did.

Someone from Overclock.net forum bought retail FX 8120 CPU and benchmarked it, all results came out absolutely shocked auwfully, 8 core FX CPUs are around slight faster than Phenom II X4 and on par with Phenom II X6. 8 core FX single thread performance is slower than Phenom II single thread.

http://www.overclock.net/amd-general...s-benches.html

If launch reviews turned out to be bad, guess I will stick with my PC until next year when Ivy Bridge come out with build in 3D transistors. It seemed now I am getting very fedup of AMD lagging behind in technology and delays with Intel ahead since Core 2 Duo and Quad, AMD will never catch up with Intel. Frankly AMD would be better off closed the doors and filed for bankruptcy rather than spinned off the fabs years ago.
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Old 10-10-11, 06:52 AM   #101
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

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Originally Posted by Roadhog View Post
http://lab501.ro/procesoare-chipsetu...ldozer-preview

Seems Bulldozer got bulldozed by sandy bridge. Really sad TBH. Was hoping Bulldozer would be decent.

Though those results could still be fake.
No the results were accurated, Matose wrote the preview for Lab501 posted on Xtremesystems forum told he retested it many times as he cant believed his eye how horrible the results was but it the way how Bulldozer CPU performed.

http://www.xtremesystems.org/forums/...=1#post4968137

Wonder how will AMD handle damage control at Bulldozer launch tomorrow.
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Old 10-10-11, 08:46 AM   #102
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

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Umm what? Its not even out? Theres no benchmarks? You don't know anything? How do you get that its a disappointment?
didn't notice your reply till now, when I originally posted that I got bulldozer confused with the then recently released A series CPUs.

but if early previews/user/owners articles/post are accurate i guess the real bulldozer doesn't look very impressive either.
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Old 10-10-11, 11:16 AM   #103
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

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Nothing surprising here. AMD rarely delivered in the higher end Desktop CPU segment.
last time they did, was with original X2 cpus.

4200 X2 939 for $500(or was it $600?) that was one good CPU back then
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Old 10-10-11, 08:26 PM   #104
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

Appearantly there is an OS bug with the cache on BD that is causing a major performance loss, they are trying to patch it, which explains some of the delays. Supposedly ~10% single thread and ~20%+ in multi-threaded boost when fixed. I guess we'll see, that would put it up with or above the 2600k, for a cheaper price.
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Old 10-10-11, 08:52 PM   #105
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

It's pretty disappointing that there IS a bug in the first place, but if the results so far are true, I hope that's the case. Regardless, I'm not naive enough to believe unofficial results. I'll wait a few more days
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Old 10-10-11, 08:57 PM   #106
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

i would like to see more info about that "bug" is it similar screwup like they had they had before with 9x00 series? and few months later they releaed 9x50 series with a fix.
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Old 10-10-11, 10:41 PM   #107
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

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Originally Posted by nekrosoft13 View Post
i would like to see more info about that "bug" is it similar screwup like they had they had before with 9x00 series? and few months later they releaed 9x50 series with a fix.
Heres the quote I read:

Quote:
Actually, we already have such an issue known for Bulldozer, and NO bench-marked system has the patch installed!

The shared L1 cache is causing cross invalidations across threads so that the prefetch data is incorrect in too many cases and data must be fetched again. The fix is a "simple" memory alignment and (possible)tagging system in the kernel of Windows/Linux.

I reviewed the code for the Linux patch and was astonished by just how little I know of the Linux kernel... lol! In any event, it could easily cost 10% in terms of single threaded performance, possibly more than double that in multi-threaded loads on the same module due to the increased contention and randomness of accesses.
Basically a bug in the two cores sharing one L1 cache, and the operating system not understanding it, so it has to fetch the data twice most of the time.
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Old 10-11-11, 01:58 AM   #108
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Default Re: Sigh- Bulldozer fail prediction from AMD staff

To little to late for me. I needed something last weekend and from those numbers, I still would have grabbed the 2600k.

Wow. I have just been reading up more on this patch that is coming out and it doesn't sound good. It could break more things than it fixes. The first patch is for Linux only with a windows patch later on.

Sounds to me to avoid like the plague to start with until they sort this out. Kind of glad I missed out now.
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