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[QuinEtiam] AMD FX/Bulldozer Registry Fix - 40% performance boost! - Page 11  

post #101 of 263
Just got back from MC. And guess what I didnt buy to go with my CHV. Yep, a bulldozer chip. Got a 2500K and a Gigabyte Z68X-UD3H. Will install tonight. Still, this is good news if true.
post #102 of 263
I find this difficult to believe, but if it's really true then wow!!!!
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post #103 of 263
Quote:
Originally Posted by Xaero252 View Post
Oh not to mention that if the scheduler tries to run non-integer work on one of the integer only threads, the CPU returns and error and the command is re-queued and has to sit in line waiting to be executed again. Basically its a scheduler issue, and could definitely cause some HUGE impact in synthetic benchmarks and normal use. And even more issues in a cluttered server environment.
There are no integer only cores on BD. Bulldozer is not four full fledged core + four more integer cores tacked on. They share an FPU.
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post #104 of 263
Quote:
Originally Posted by BallaTheFeared View Post
Take it with a grain of salt.

Windows 8 does't see this kind of performance increase, disabling 1 core per module doesn't either.

It's in the rumors section because it's unconfirmed due to a total lack of proof and credibility.
And a rather large grain of salt at that.

Check out the rest of the stories at that guy's website.

It would nice if it were true as it'd force Intel to step up in a major way but I just don't believe it.
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post #105 of 263
Wow, lots of frowns turned upside down. I REALLY hope this works, and Microsoft takes notice and properly fixes it. Would be very awesome to see Bulldozer pull through.
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post #106 of 263
dbl post; del.
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post #107 of 263
Quote:
Originally Posted by Blameless View Post
There are no integer only cores on BD. Bulldozer is not four full fledged core + four more integer cores tacked on. They share an FPU.
There is 8 integer only cores each with their own scheduler

2 Integer Only cores are tied to a Floating Point core that can do both Integer and Floating Point and each floating pore core(4 of them) all have their own scheduler

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post #108 of 263
Quote:
Originally Posted by Blameless View Post
There are no integer only cores on BD. Bulldozer is not four full fledged core + four more integer cores tacked on. They share an FPU.
Quote:
Originally Posted by Wikipedia
Bulldozer are the first major redesign of AMD’s processor architecture since 2003, when the firm launched its Athlon 64/Opteron (K8) processors, and also features two 128-bit FMA-capable FPUs which can be combined into one 256-bit FPU. This design is accompanied by two integer cores each with 4 pipelines (the fetch/decode stage is shared). Bulldozer will also introduce shared L2 cache in the new architecture. AMD calls this design a "Bulldozer module". A 16-core processor design would feature eight of these modules,[7] but the operating system will recognize each module as two physical cores.
Source

Additional Integer Pipelines.
    
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post #109 of 263
I hope this is true I can see it now, AMD will have an Octo-core Optimizer in its download section.
post #110 of 263
If you hate AMD and want them to fail calm down even if True Intel has such a disproportionate monopoly on the consumer PC market this will have little impact. This is not quite a server part and is not a nominal desktop part. Go to Walmart or Best Buy and try to buy a PC with a 2500 in it you are going to have a hard time finding a salesman who knows what your talking about. But yeah we got this i3 and i5 over here does everything you will ever need.

The bulldozer is an enthusiast part. AMD even if this was the best thing since sliced bread will still be selling more APU's this year and that is where their money is at in the future. No matter how much you and I love the high end desktop parts we are less than 1 in 1000 of Intel and AMD customers.

This processor is a new way of doing things. remember it has 8 cores and 4 modules. Some of the resources are shared in each module. Windows 7 does not know how to handle this yet. Hyper-threading has been out 6 years now and windows and linux knows exactly how it acts and operates. And this is not hyper-threading. Windows does not know how to treat the cores so it just assumes the cores are completely identical. This is what causes both cores of a module to get stacked with the rest of the cores idle.

Coming from a company that runs a completely unique version of windows xp on our desktops, even though we are one of Microsofts largest customers the processes of getting changes to windows xp approved are very hard and take a lot of time and that is just dealing with our network. If you want an approved patch that potentially affects every version of windows Redmond is going to make sure that it only affects the system in a positive way.

The easy way to fix it would be if it can be done with a driver. If it can only be done with a redesigned task scheduler that is going to take either time or a public outcry that forces Microsoft to act. Other wise we will need to rely on workarounds.
Edited by drufause - 10/15/11 at 5:25pm
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