Why the platform focus?

Article: Tukwila Update
By: someone (someone.delete@this.somewhere.com), February 25, 2009 9:22 am
Room: Moderated Discussions
anonymous (no@spam.com) on 2/25/09 wrote:
>>>>> Which means Poulson better ship in late 2010 or
>>>>> early 2011, and it better have more than just 8
>>>>> cores.
>>>>It will have 12 and should tape out this year, after all it has been in the works since early 2005.
>>>>Tukwilla 1 ( Tanglewood) was canceled late 2004 and the ex Alpha team was given a new project : Poulson.
>>>By contrast, I'm hearing 8 cores, and post 2010.
>>Tukwila is 65 nm, Poulson is 32 nm.
>While theoretical scaling is 45/65 ^2 = 0.48x
>and 32/45 ^2 = 0.50x, recent processors have
>seen approximately 0.65x per generation, i.e.
>a 700 mm^2 Tukwila in 65 nm should shrink to
>about 300 mm^2 in 32 nm.
>Now take a Tukwila and draw a box around one
>of the cores including L3 and its part of the
>uncore. It's ~19.5% of the die, or 136.5 mm^2.
>Which should shrink to ~58 mm^2 in 32 nm.

Poulson has a brand new microarchitecture and
its core will have the first all new floorplan since
McKinley. Perhaps implementation decisions and
choices appropriate to a 180 nm unicore MPU will
differ for a 32 nm multicore MPU? Certainly there
is a universe of ia64 specific end user experience
and trace data available now that wasn't in the
late 90s which will influence those choices too.

I expect the Poulson core will be smaller than a 32
nm shrink of the Tukwila core (created using the
same methodologies that created Montecito and
Tukwila) despite being more capable in most ways.
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TopicPosted ByDate
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              missing the big pictureAM2009/02/18 08:03 AM
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                        Why the platform focus?savantu2009/02/24 11:04 PM
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                                Why the platform focus?slacker2009/02/25 12:11 PM
                                Why the platform focus?a reader2009/02/26 08:11 PM
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                            Put me down for $500 that Poulson doesn't arrive earlier than Q4/2011 (NT)slacker2009/02/25 11:39 AM
                        Why the platform focus?someone2009/02/25 05:54 AM
                          Why the platform focus?anonymous2009/02/25 08:46 AM
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                            Why the platform focus?anon2009/02/25 10:01 AM
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                          Why the platform focus?Doug Siebert2009/02/25 04:13 PM
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                              Why the platform focus?bob2009/02/25 08:00 PM
                                Please try to keep up (NT)anon2009/02/25 08:49 PM
                              Why the platform focus?Doug Siebert2009/02/25 11:09 PM
                                Why the platform focus?anon2009/02/26 12:12 AM
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                                  Why the platform focus?James2009/02/26 05:09 AM
                                    sufficiently intimate with the OSMichael S2009/02/26 05:29 AM
                                      sufficiently intimate with the OSanon2009/02/27 12:01 AM
                                      sufficiently intimate with the OSHoward Chu2009/02/27 12:37 AM
                      Why the platform focus?Michael S2009/02/25 01:02 AM
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          Why the platform focus?RagingDragon2009/02/07 05:43 PM
  Tukwila Update - article onlineVincent Diepeveen2009/02/05 08:11 AM
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