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[Xbitlabs] AMD Shows Off Opteron "Interlagos" Again: No Performance Benchmarks... - Page 6  

post #51 of 139
so glad i didn't wait like i was originally going to
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post #52 of 139
Quote:
Originally Posted by Usario View Post
I would like to believe he was referring to IPC
Me too. I really hope so...and this is coming from an Intel guy. Give me a chance to buy some AMD stuff and help the guys out, but I need to have justification to do so.
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post #53 of 139
Quote:
Originally Posted by catharsis View Post
I find it highly suspect that this article is saying almost no increase in IPC from a BRAND NEW architecture.
'New' doesn't always mean 'faster.' Just look at the Netburst introduction for an idea of what else it can mean.
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post #54 of 139
Quote:
Originally Posted by pursuinginsanity View Post
'New' doesn't always mean 'faster.' Just look at the Netburst introduction for an idea of what else it can mean.
You are bringing up an Intel Architecture to say an AMD architecture is going to be slower

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post #55 of 139
Quote:
Originally Posted by linkin93 View Post
As well as stop talking about server parts as if they are desktop parts.

Totally different uses, each has.





Again, thanks for your input, AMD Engineer.
He is stating the facts. In our country we call that ignorance.
post #56 of 139
Quote:
Originally Posted by Seronx View Post
You are bringing up an Intel Architecture to say an AMD architecture is going to be slower

I'm pretty sure he's bringing up an example of how a new architecture might not necessarily bring a big improvement over an old architecture. That the example was about Intel has ****all to do with the point.
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post #57 of 139
Quote:
Originally Posted by dzalias View Post
I'm pretty sure he's bringing up an example of how a new architecture might not necessarily bring a big improvement over an old architecture. That the example was about Intel has ****all to do with the point.
Don't look at Netburst

Look at IBM z196

Bulldozer is more IBM z196 than Netburst
Edited by Seronx - 8/4/11 at 10:17pm
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post #58 of 139
xbit isnt a good source when it comes tu news and rumors



Quote:
Originally Posted by Usario View Post
The server BDs are supposedly clocked similarly to the previous generation, so that means no improvement in IPC.

So fail in programs that only use ≤4 threads.

I hope that the 35% improvement was regarding something in particular, like IPC (in which case it's still not that great but good nonetheless).

huh???


those 35% and 50% numbers are rubbish throwed around like its fact ... but its not ...





Quote:
Originally Posted by Usario View Post
The architecture is the same. The difference is server chips clock lower, have more cores, have a lower TDP, use a different socket, have a better IMC, can be used in multi-CPU setups, etc. 12 core at 2.5 GHz vs 16 core at 2.3/2.8 GHz... 35% improvement over the first for the latter means no increase in IPC. If there's no increase in IPC for servers, there's almost definitely no increase in IPC for desktops.

I honestly cannot believe that IPC will remain the same, though, based on the architecture. Something really had to have messed up.

Oh and by the way, he said "performance", not "throughput". So the comparison between server and desktop is somewhat valid.

I'm still going to wait for benchmarks, but this is looking bad.

how can you know ipc didnt increase without real benchmarks???



Quote:
Originally Posted by BizzareRide View Post
Disappointing... 35% increase for only 33% more cores.
and those numbers werent proved ... so what's your point??


Quote:
Originally Posted by Usario View Post
50% was regarding throughput.

Zambezi and Interlagos are very similar, but they are optimized for their purposes. THE IPC IS IDENTICAL.

the ipc isnt indentical ... ipc = instruction per clock ... raising the clockspeed wont allow you to move more instruction per cycle .. it will only allow you to have more cycles per second ...

troll




Quote:
Originally Posted by iggydogg View Post
nope,the 50% was regarding server from the beginning
the 50% more throughput is in regards to the memory controller

if they did the same changes in the zambezi memory controller it will have the same effect ...



Quote:
Originally Posted by catharsis View Post
I find it highly suspect that this article is saying almost no increase in IPC from a BRAND NEW architecture.
this article is full of fail with nothing more then speculation to attract readers ...


they can't even put some of the confirmed numbers together correctly .. so take the rest as complete fud



Quote:
Originally Posted by qwertymac93 View Post
50% performance improvement was for the dual-chip G34 chips, not desktop.
35% performance improvement for single chips isn't bad, considering we don't know if that is with a higher or lower TDP.
We don't even know exactly which metric they are measuring(single thread? multithread? performance per watt?).


false ... those 50% more performance = throughput numbers ... wich all have to do with the memory controller ... nothing else ... dont need to read the rest of your post


Quote:
Originally Posted by 996gt2 View Post
In all fairness, Phenom I was based on K8, whereas Bulldozer is an entirely new architecture. If the information in the Xbit article I posted is in fact true, then AMD screwed up big-time.
did you take the time to read the article and come up with an half decent explaination of why they would be like omg amd is screwed in every paragraph they made???


its easy to tell they wanted sensationalism


we can only wait for the real numbers to make everything a black & white affair ... until then lots of speculation and mis interpreted information will flow to feed the bad press/rag journals/tech journals


Quote:
Originally Posted by Domino View Post
They are referring to the bulldozer in the server lineup, which is clocked at 2.8 GHz, and is indeed not much faster then current offerings in the server market.
how can you know that for a fact???


Quote:
Originally Posted by sub50hz View Post
Oh, Xbit Labs? I've seen digested food in a porcelain bowl of water that had more credibility.
finally someone who gets it


Quote:
Originally Posted by 996gt2 View Post
John Fruehe originally said up to 50% performance gain in going from 12 core Magny Cours to 16 core Bulldozer. They're now revising that statement to "up to 35% performance gain" compared to their current products, which have at most 12 cores as composed to the 16 cores Bulldozer will have.

Since John Fruehe made that statement, AMD has introduced faster processors. But, probably as a result of that, they've also revised the performance expectations for Bulldozer to only being "up to 35%" faster than their current top-bin Opteron.

Since the Bulldozer-based parts will have 4 extra cores, the 35% performance gain seems to suggest a negligible improvement in per-core performance.

he did say that its about throughput ... not total performance .. otherwise we'd allready know how it performs on a core by core case .


Quote:
Originally Posted by pursuinginsanity View Post
'New' doesn't always mean 'faster.' Just look at the Netburst introduction for an idea of what else it can mean.
was it a new design or just an improved design???
Edited by Fr0sty - 8/4/11 at 11:04pm
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post #59 of 139
Quote:
Originally Posted by pursuinginsanity View Post
Quote:
Originally Posted by catharsis View Post
I find it highly suspect that this article is saying almost no increase in IPC from a BRAND NEW architecture.
'New' doesn't always mean 'faster.' Just look at the Netburst introduction for an idea of what else it can mean.
It's a bit odd that a same clocked 12 core opteron, that's on the same socket (G34) as a 16 core BD opteron is $200 more expensive than the latest and greatest? 35% more performance for 19% less $$$? ...sounds too good to be true...



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post #60 of 139
Quote:
Originally Posted by purpleannex View Post
It's a bit odd that a same clocked 12 core opteron, that's on the same socket (G34) as a 16 core BD opteron is $200 more expensive than the latest and greatest? 35% more performance for 19% less $$$? ...sounds too good to be true...





its in reality 2 8 core dies on the same chip .. and if it doesnt cost them too much to make an 8 core opteron it would make sense to price them in that pricing range


the mcm approach ensures good yields and lots of cores to combat intel .. so its a good move for amd
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