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[xbitlabs] AMD: We Are On Track With Steamroller Micro-Architecture in 2013. - Page 38  

post #371 of 718
Quote:
Originally Posted by raghu78 View Post

Steamroller seems to have potential. But we have seen AMD screw it up in the past. Bulldozer is the primary reason for AMD's financial problems. For AMD to be healthy they need a competitive product in the server market and in the high end desktop cpu and workstation market. Hopefully steamroller can provide them that.

The first Bulldozer was actually Alpha Chip, rolleyes.gif AMD now can only do things a lot better on the Steamroller core and it will certainly be much better chip with regard to Piledriver Core.

One fact should be taken into consideration, Jim Keller is now the boss of large Cores/Steamroller at AMD. "Jim The Magic" will certainly do a great job no doubt as usual, Steamroler CPU/Kaveri APU will certainly be a very good processor. wink.gif

http://semiaccurate.com/2012/08/01/apples-cpu-architect-jim-keller-moves-back-to-amd/
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post #372 of 718
Quote:
Originally Posted by malmental View Post

Quote:
Originally Posted by Artikbot View Post

Quote:
Originally Posted by malmental View Post

it's 30% Steamroller over Bulldozer, not Piledriver..

Quote on this?
read the article in detail.... do not be blindsided by your personal choice in hardware.
AMD marketing and trickeration in language.

read carefully..
AMD Steamroller: Expectations
Quote:
One of the reasons why dual-core Bulldozer modules [the same may be said about Piledriver] are not completely efficient is because they have only one instruction decoder for two ALUs and one FPU. With steamroller, AMD not only incorporated two decoders per module, but also increased instruction cache size (to lower i-cache misses by 30%), enhanced instruction pre-fetch (the number of mis-predicted branches is down by 20% compared to Bulldozer ) as well as improved max-width dispatches per thread by 25%. AMD believes that Steamroller will provide 30% improvement in ops per cycle.

they are comparing to Bulldozer and not Piledriver here.. thumb.gif
excuse me as I quote myself.... I'm patiently awaiting the few non-believers out there who asked me to source this..
I know, sometimes reality bites doesn't it.?
cool.gif
post #373 of 718
Quote:
Originally Posted by lacrossewacker View Post

Well I know it's definitely weaker, but I thought that it pulled ahead in highly threaded benchmarks. I'd also guess it's much easier for somebody to get 4.8 on a i7 than 5.0ghz on a 8350. Was for me at least

Nah, there's a reason it's priced at 3570k levels. It sometimes creeps up on an i7 but mainly competes with the i5.
    
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post #374 of 718
Quote:
Originally Posted by malmental View Post

read the article in detail.... do not be blindsided by your personal choice in hardware.
AMD marketing and trickeration in language.

Yo, it was just a question, no need to get offensive. thumb.gif

The fact that they talk about 'Bulldozer' conceptually does not imply they refer to Zambezi... As it has been used to generically refer to the K15 series of processors.

But it could be. Nonetheless, I am not expecting a 30% improvement over neither Zambezi or Vishera.
   
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post #375 of 718
Quote:
Originally Posted by Asterox View Post

The first Bulldozer was actually Alpha Chip, rolleyes.gif AMD now can only do things a lot better on the Steamroller core and it will certainly be much better chip with regard to Piledriver Core.

One fact should be taken into consideration, Jim Keller is now the boss of large Cores/Steamroller at AMD. "Jim The Magic" will certainly do a great job no doubt as usual, Steamroler CPU/Kaveri APU will certainly be a very good processor. wink.gif

http://semiaccurate.com/2012/08/01/apples-cpu-architect-jim-keller-moves-back-to-amd/

Keller joined AMD in Aug 2012. By that time Steamroller was well into tapeout stage. Mark Papermaster 's presentation at Hotchips 2012 in august

http://www.youtube.com/watch?v=oi4eq5arzp8

at 36:35 Mark clearly states steamroller has finished the design stage. so Jim Keller's impact on Steamroller and even Excavator is not going to be there. The earliest products which Keller can have an impact is designs after Excavator which would come sometime in Q4 2015 or early 2016.
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post #376 of 718
Quote:
Originally Posted by Artikbot View Post

Quote:
Originally Posted by malmental View Post

read the article in detail.... do not be blindsided by your personal choice in hardware.
AMD marketing and trickeration in language.

Yo, it was just a question, no need to get offensive. thumb.gif

The fact that they talk about 'Bulldozer' conceptually does not imply they refer to Zambezi... As it has been used to generically refer to the K15 series of processors.

But it could be. Nonetheless, I am not expecting a 30% improvement over neither Zambezi or Vishera.
just being messy.... I'm actually interested in the A10-5800K replacement.. smile.gif
post #377 of 718
Quote:
Originally Posted by raghu78 View Post

Keller joined AMD in Aug 2012. By that time Steamroller was well into tapeout stage. Mark Papermaster 's presentation at Hotchips 2012 in august

http://www.youtube.com/watch?v=oi4eq5arzp8

at 36:35 Mark clearly states steamroller has finished the design stage. so Jim Keller's impact on Steamroller and even Excavator is not going to be there. The earliest products which Keller can have an impact is designs after Excavator which would come sometime in Q4 2015 or early 2016.

That's what he says does not mean too much, rolleyes.gif remember what AMD is saying about the first Bulldozer and how it ended.What is publicly stated is not the same, with the actual facts to confuse the competition of course it is a basic rule.

Think about this AMD representative says in August 2012, "the Steamroller CPU design is completed or finished" but what will happen in the meantime(15+ months) with a Steamroller CPU they'll put it on hold to rest awhile or it will still work on it? thumb.gif

If by chance you did not know, according to the current unofficial AMD (optimistic/Globalfoundries)schedule Steamroller CPU should start production at the end of October 2013. smile.gif
Edited by Asterox - 4/4/13 at 8:56am
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post #378 of 718
Steamroller design was finished, but since Jim Keller joined there were plenty of months to change things... You can change architecture and improve it as much as you want if you tested it and you production does ultil producting is planned three months later since then its a bit risky to modify and change some things.

You can't really change much in the last second/day before production at all...

We see influence of Jim Keller and some other computer architects that joined couple of months after Jim Keller on Jaguar processors.
post #379 of 718
Quote:
Originally Posted by Asterox View Post

That's what he says does not mean too much, rolleyes.gif remember what AMD is saying about the first Bulldozer and how it ended.What is publicly stated is not the same, with the actual facts to confuse the competition of course it is a basic rule.

Think about this AMD representative says in August 2012, "the Steamroller CPU design is completed or finished" but what will happen in the meantime(15+ months) with a Steamroller CPU they'll put it on hold to rest awhile or it will still work on it? thumb.gif

If by chance you did not know, according to the current unofficial AMD (optimistic/Globalfoundries)schedule Steamroller CPU should start production at the end of October 2013. smile.gif

you are clueless about semiconductor design and manufacturing. a high end CPU takes 12 - 15 months from tapeout to volume production. there will be multiple respins before final silicon. such complex chips normally require 2 - 3 respins before they are finalized for volume production. AMD Kaveri (which uses steamroller core) must have taped out sometime in Q3 2012 to be available for purchase in Q4 2013 in retail.
Edited by raghu78 - 4/4/13 at 9:41am
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post #380 of 718
What would be interesting to see is how many cores can AMD fit into Steamroller Opterons. Intel seems to be going for 12 cores (24 threads) on a single die with Ivy bridge-E. can AMD atleast fit 2 five module (10 threads) steamroller dies in a single opteron socket.
Edited by raghu78 - 4/4/13 at 9:50am
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