Article: Llano Hot Chips Update

Article: Llano at Hot Chips
By: MS (ms.delete@this.lostcircuits.com), September 1, 2011 8:16 am
Room: Moderated Discussions
David Kanter (dkanter@realworldtech.com) on 8/31/11 wrote:
---------------------------
>MS (ms@lostcircuits.com) on 8/31/11 wrote:
>---------------------------
>>David Kanter (dkanter@realworldtech.com) on 8/31/11 wrote:
>>---------------------------
>>>AMD’s Hot Chips presentation delved into Llano, the first mainstream Fusion product,
>>>with details and results for power management. Previous disclosures painted a poor
>>>picture, which is far from the truth. Given the older CPU and GPU designs and time-to-market
>>>pressure, the results are quite good. Llano’s power management focuses on the most
>>>important aspects and is a solid foundation for future generations that will be much more power aware and optimized.
>>>
>>>http://www.realworldtech.com/page.cfm?ArticleID=RWT083111130632
>>>
>>>As always, we encourage feedback and discussions.
>>>
>>>
>>>Regards,
>>>
>>>
>>>David
>>
>>The IPC improvements are mostly myth and Llano is a power >hog compared to SB so
>>I would argue that all the listed improvements are only >for the purpose of not making it really bad.
>
>When you say Llano is a power hog, what do you mean: Active, active/idle or true idle (or perhaps all 3)?
>
>AMD's numbers indicated that their battery life should be reasonable, although
>I wasn't able to really dig into the fine print.
>
>David


David, here is a listing of all different kinds of scenarios:

http://www.lostcircuits.com/mambo//index.php?option=com_content&task=view&id=101&Itemid=1&limit=1&limitstart=5

Here are more discussions and listings of comparisons for power and IPC performance:

http://www.lostcircuits.com/forum/viewtopic.php?f=3&t=3897&start=220

Bottomline is that testing all different benchmarks Llano came out on average the same as any comparable Propus with some improvements in some benchmarks and some definite hits in others but AMD appears to have taken a very biased selection of tasks to justify their IPC claims.
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TopicPosted ByDate
Article: Llano Hot Chips UpdateDavid Kanter2011/08/31 12:32 PM
  Article: Llano Hot Chips UpdateMS2011/08/31 01:22 PM
    Article: Llano Hot Chips UpdateDavid Kanter2011/08/31 06:07 PM
      Article: Llano Hot Chips UpdateMS2011/09/01 08:16 AM
        Article: Llano Hot Chips UpdateDavid Kanter2011/09/01 01:52 PM
    Article: Llano Hot Chips UpdateGionatan Danti2011/09/01 02:53 AM
      Links are okDavid Kanter2011/09/01 04:02 AM
  Article: Llano Hot Chips Updateiz2011/09/01 02:07 AM
    Article: Llano Hot Chips UpdateGionatan Danti2011/09/01 03:01 AM
    Article: Llano Hot Chips UpdateDavid Kanter2011/09/01 04:08 AM
      Article: Llano Hot Chips Updateiz2011/09/02 01:04 AM
  Article: Llano Hot Chips Updateiz2011/09/01 02:08 AM
  More fusion, how?Moritz2011/09/04 12:33 AM
    More fusion, how?Rohit2011/09/04 09:27 AM
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