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[Official] AMD Bulldozer Reviews Thread - Page 189

post #1881 of 2308
I will not believe that AMD didn't catch, and know about this. I bet a release of a special series w/ only 1 core on each node being active would see performance increases over PhII Quad-Cores.

From what I was reading in another thread, I heard that bulldozer wasn't "designed" it was computed. Automated programs mapped out it's architecture. No human ingenuity. That would explain a lot.
post #1882 of 2308
Quote:
Originally Posted by linkin93 View Post
Or maybe software doesn't fully support it yet?
THIS! THIS! THIS! THIS! A THOUSAND TIMES THIS!!!


People don't seem to get that BD was designed with a certain software usage in mind, which is why the design is so radically different. If 2 cores are competing for L2 cache, of course it's going to drop efficiency (and IPC). However, if the program is designed to utilize this design, I bet IPC rises dramatically, even when using all 8 cores.

Windows 7 and programs don't know how to utilize this design. That's the problem.


I almost want to bet that AMD cuts the L2 cache into 8 sections (1 for each integer core) for the next iteration of Bulldozer chips, and puts in an interconnect between the sets of L2 cache in each module. I bet that increases IPC a bit.
Edited by Mad Pistol - 10/13/11 at 6:14pm
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post #1883 of 2308
Still not as good as a 2500k.
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post #1884 of 2308
I thought More cores = better.
post #1885 of 2308
Quote:
Originally Posted by Homeles View Post
Still not as good as a 2500k.
Quote:
Originally Posted by Kand View Post
I thought More cores = better.
post #1886 of 2308
Quote:
Originally Posted by Mad Pistol View Post
THIS! THIS! THIS! THIS! A THOUSAND TIMES THIS!!!


People don't seem to get that BD was designed with a certain software usage in mind, which is why the design is so radically different. If 2 cores are competing for L2 cache, of course it's going to drop efficiency (and IPC). However, if the program is designed to utilize this design, I bet IPC rises dramatically, even when using all 8 cores.

Windows 7 and programs don't know how to utilize this design. That's the problem.
So why release a CPU that isn't properly supported? If AMD understood these they should have been working with software developers to solve this before they released.
Edited by lordikon - 10/13/11 at 6:16pm
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post #1887 of 2308
Quote:
Originally Posted by lordikon View Post
So why release a CPU that isn't properly supported?
Well, if you spent 5+ years developing a technology and needed to get some money back on the project, you'd probably release it too.

AMD knows where they screwed up. It's guaranteed that they already have a design to address the current flaws of BD.
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post #1888 of 2308
Quote:
Originally Posted by Mad Pistol View Post
THIS! THIS! THIS! THIS! A THOUSAND TIMES THIS!!!


People don't seem to get that BD was designed with a certain software usage in mind, which is why the design is so radically different. If 2 cores are competing for L2 cache, of course it's going to drop efficiency (and IPC). However, if the program is designed to utilize this design, I bet IPC rises dramatically, even when using all 8 cores.

Windows 7 and programs don't know how to utilize this design. That's the problem.


I almost want to bet that AMD cuts the L2 cache into 8 sections (1 for each integer core) for the next iteration of Bulldozer chips, and puts in an interconnect between the sets of L2 cache in each module. I bet that increases IPC a bit.
I'm sorry for wanting a CPU that performs now rather then waiting for software developers to catch up.
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post #1889 of 2308
Why doesnt everybody just shut up and get off the subject?

Arguing on the internet is about as fruitless as swinging a hammer at concrete.
    
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post #1890 of 2308
Quote:
Originally Posted by Mad Pistol View Post
Well, if you spent 5+ years developing a technology and needed to get some money back on the project, you'd probably release it too.
This release may harm them more than hurt them. Well, at least in the enthusiast market, I can see plenty of AMD users ready to upgrade to Intel now instead of AMD because of this.
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