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[xbitlabs] AMD: We Are On Track With Steamroller Micro-Architecture in 2013. - Page 13  

post #121 of 718
Quote:
Originally Posted by tambok2012 View Post

All INTEL can do now is lower the power consumption as much as they can with 5% improvement in performance

AMD? still climbing back up

AMD still have a lot of climbing to do before they even reach where Intel were 2 years ago...
post #122 of 718
Quote:
Originally Posted by John-117 View Post

As I said before, I think in the next year of two, games will run just as fast or faster on AMD chips than Intel's, because of optimizations using 8 cores, thanks to the new consoles.

Intel 4c/8t parts trade blows with current AMD 8c desktop parts, and Intel's 4c/4t parts aren't that far behind. All of these chips are a great deal faster than what's in next gen consoles.

No amount of multithreading optimization will make one CPU run faster than another that has superior overall performance, even if the later part has fewer cores available. It's easier to run a pile of threads on one logical core than it is to split a task into a pile of threads in the first place.
Quote:
Originally Posted by John-117 View Post

So you are saying a 4 core i5 will be faster than a 8 core FX?

In a significant number of titles it's likely this will continue to be the case; some tasks are just not parallelizable.

Multi-threaded performance is great, and there is no doubt that games are going to become more well threaded. However, with a given level of total performance, it's best to have that performance in a small number of cores, so those tasks that do remain single or lightly threaded perform as well as possible.
Quote:
Originally Posted by Ryude View Post

The reason is because the programming just isn't advanced enough to take advantage of the hardware.

It's more than just programming, though I have no doubt that programming is a significant limiting factor. Limits on inter-core communication and resource/bandwidth sharing introduce quite a bit of overhead as well.
Quote:
Originally Posted by almighty15 View Post

Load of rubbish... you get pretty much a 99% liner improvement from every core you add...

Only in embarrassingly parallelizable tasks.

Keep throwing cores in, all of them sharing the same last level cache, same memory controllers, same I/O, and same interconnects, and you get rapidly diminishing returns in anything that that cannot be neatly cut into wholly independent pieces.
Quote:
Originally Posted by Artikbot View Post

They went back to individual decoders, as Bulldozer had a terrible bottleneck in that aspect.

If this 30% IPC is true... Things are looking good for AMD! thumb.gif

Yeah, I'm really looking forward to what Steamroller can do, even if I think a 30% overall improvement over Piledriver is probably a bit optimistic.
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post #123 of 718
If AMD can match first generation Core i series CPU's in terms of IPC they might have a hit on there hands....
post #124 of 718
Quote:
Originally Posted by almighty15 View Post

If AMD can match first generation Core i series CPU's in terms of IPC they might have a hit on there hands....
Nehalem...
post #125 of 718
Quote:
Originally Posted by malmental View Post

Nehalem...

?? What point did your post serve?
post #126 of 718
Quote:
Originally Posted by almighty15 View Post

Quote:
Originally Posted by malmental View Post

Nehalem...

?? What point did your post serve?
question to if that was the CPU's you had in mind.?
(i5-750 - i7-875K) - Nehalem..
post #127 of 718
Nehalem (covering both Bloomfield and Lynnfield) was the first gen Core i architecture, so that would fit his statement.

Nehalem is no slouch, and something with 8 cores that could reliably clock to 4.5GHz+ would be the fastest consumer x86 CPU in existence if it had Nehalem's IPC.
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post #128 of 718
^
right..
that's all not trying to imply anything just making sure were on the same page... smile.gif
no offense but lots of people consider SB gen 1.. redface.gif
post #129 of 718
Quote:
Originally Posted by Blameless View Post

Nehalem is no slouch, and something with 8 cores that could reliably clock to 4.5GHz+ would be the fastest consumer x86 CPU in existence if it had Nehalem's IPC.

Indeed, a chip like that from AMD would even tempt me back over to them!!

It's just at the moment most of the game I play use 4 threads or less so AMD is not an option.
post #130 of 718
Quote:
Originally Posted by malmental View Post

^
no offense but lots of people consider SB gen 1.. redface.gif

Which is silly because all of the processor model numbers start with a 2, are referred to as second gen on Intel's site, and did in fact come more than two full years after Nehalem, which are undoubtedly Core i parts.
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