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Bulldozer Is Not 8 "Core"?

post #1 of 32
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From Ars comments

Quote:
The Desktop version will be under the FX-series marketing label...
==> Vision Black FX = 8-core (4-module) version.
==> Ultimate Vision FX = 4-core (2-module) and 6-core (3-module) versions.
Anyone knows if this is true?

I was sort of expecting 8 module desktop CPU so Windows would see it as 16 cores (since those are not "real" cores?).
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post #2 of 32
Cores are counted as integer cores, modules are actually a totally different thing that is hard to define - basically some resources are shared, but not the integer cores that do the bulk of processing. But yeah, only the 4-module version will be released for clients. Server will get 16-cores.
post #3 of 32
Each module is two Integer and one Floating point processor. Each module is seen by the OS as 2 logical cores.

A 4-module processor would appear as 8 cores.
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post #4 of 32
i though there was 2 modules per core?
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post #5 of 32
As JF-AMD has said numerous times, forget the modules. They are part of the arcithecture, and irrelevant to the consumer. The Vision Black FX's will have 8 cores, and that's it.

The Core 2 Quads were essentially 2 dual core chips on the same die, but that never seemed to matter to people. Just forget the whole modules/cores thing.
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post #6 of 32
Quote:
Originally Posted by ZTempo View Post
As JF-AMD has said numerous times, forget the modules. They are part of the arcithecture, and irrelevant to the consumer. The Vision Black FX's will have 8 cores, and that's it.

The Core 2 Quads were essentially 2 dual core chips on the same die, but that never seemed to matter to people. Just forget the whole modules/cores thing.
Not the same thing... Core 2 Quads has 4 FP and 4 INT processors though. Two dual core chips = 4 cores.

I'm still waiting for some FP performance numbers on these.... Is Bulldozer any good for number crunching?
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post #7 of 32
Quote:
Originally Posted by DuckieHo View Post
Not the same thing... Core 2 Quads has 4 FP and 4 INT processors though. Two dual core chips = 4 cores.

I'm still waiting for some FP performance numbers on these.... Is Bulldozer any good for number crunching?
True, but my point was just that it really doesn't matter to consumers how the chips achieve their performance, as long as they do ..
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post #8 of 32
Quote:
Originally Posted by DuckieHo View Post
Not the same thing... Core 2 Quads has 4 FP and 4 INT processors though. Two dual core chips = 4 cores.

I'm still waiting for some FP performance numbers on these.... Is Bulldozer any good for number crunching?
I thought all AMD processors were good at number crunching. o_O Isn't that the one thing they've always had over Intel? Or am I getting confused with the image rendering and benchmarks?
     
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post #9 of 32
Quote:
Originally Posted by DuckieHo View Post
Each module is two Integer and one Floating point processor. Each module is seen by the OS as 2 logical cores.

A 4-module processor would appear as 8 cores.
no,wrong
its two 128b FMACs , which can work together as one 256b FMAC (if needed)



Quote:
Originally Posted by ZTempo View Post
As JF-AMD has said numerous times, forget the modules. They are part of the arcithecture, and irrelevant to the consumer. The Vision Black FX's will have 8 cores, and that's it.
exactly
Quote:
Originally Posted by DuckieHo View Post
... Is Bulldozer any good for number crunching?
no its completely "junk", intel 486dx will be much better for number crunching..

Edited by pietro sk - 2/28/11 at 1:29am
    
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post #10 of 32
We will not market modules.

The 2 FMACs in the middle are shared, but can be dedicated to each core, giving each core 128-bit FMAC) or ganged together to make a 256-bit AVX path.

And we can do AVX and SSE on the same cycle, which you cannot do with SB.
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