Why the platform focus?

Article: Tukwila Update
By: David Kanter (dkanter.delete@this.realworldtech.com), February 6, 2009 1:09 am
Room: Moderated Discussions
Linus Torvalds (torvalds@linux-foundation.org) on 2/5/09 wrote:
>David Kanter (dkanter@realworldtech.com) on 2/5/09 wrote:
>>This article talks about the catalyst for the delays, which
>>was primarily a change in the platform, and the history and
>>decisions that ultimately lead to the delay.
>The much more interesting issue is if they fixed anything
>else than the platform?
>You compare to (very optimistic) POWER6 platform numbers,
>and try to make it out to be the achilles heel of Itanium,
>but look at Spec numbers, and realize that the weakest
>point of Itanium was never the platform - it's the core.
>SpecInt runs basically close-to-100% out of the cache, and
>of all the architectures out there, Itanium is way way
>behind the competition. Improving on the platform will do
>absolutely nothing to that, since it isn't even
>Look at the SpecInt2006 numbers:
>- Core i7-965: 36
>- p570 (4.7Ghz): 21.7
>- Itanium (1.66GHz/18MB): 17.0
>Now, the Core i7 number is obviously much more recent than
>the other two, but hey, that's what Tukwila will be facing.
>(And quite frankly, you can find old Core 2 numbers that
>are just under 30, so even if you want to go back to the
>previous generation, you're really not changing the argument
>at all).

So, I'm curious, what recommendations would you make for improving the Itanium 2 core?

the most obvious would be move to a single bundle core, perhaps add OOO. Or you could go niagara style to hide latency...

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TopicPosted ByDate
Tukwila Update - article onlineDavid Kanter2009/02/05 12:03 AM
  Tukwila Update - article onlineDan2009/02/05 03:17 AM
    Tukwila Update - article onlineJoe Chang2009/02/05 09:16 AM
    Tukwila Update - article onlineTemp2009/02/05 09:25 AM
      Tukwila Update - article onlinePaul2009/02/05 12:29 PM
        Tukwila Update - article onlineDavid Kanter2009/02/05 06:32 PM
          Tukwila Update - article onlinePhil2009/02/06 01:24 AM
            Great. Finally hard numbersMichael S2009/02/06 04:46 AM
            Tukwila Update - article onlinelubemark2009/02/06 05:54 AM
              Tukwila Update - article onlinePhil2009/02/06 07:29 AM
                Tukwila Update - article onlineRagingDragon2009/02/07 03:39 PM
                  Tukwila Update - article onlineMichael S2009/02/07 04:09 PM
            Tukwila Update - article onlinesavantu2009/02/06 06:23 AM
              Tukwila Update - article onlineMichael S2009/02/06 07:13 AM
            Tukwila Update - article onlinesomeone2009/02/06 07:18 AM
              Tukwila Update - article onlinePhil2009/02/06 07:47 AM
                Tukwila Update - article onlinesomeone2009/02/06 08:17 AM
                Tukwila Update - article onlineRagingDragon2009/02/07 03:51 PM
              Tukwila Update - article onlineLinus Torvalds2009/02/06 08:37 AM
                Tukwila Update - article onlinesomeone2009/02/06 09:19 AM
                Tukwila Update - article onlinesavantu2009/02/06 10:19 AM
                  Tukwila Update - article onlineLinus Torvalds2009/02/06 10:40 AM
                    Tukwila Update - article onlinesavantu2009/02/06 11:00 AM
              Tukwila Update - article onlinePhil2009/02/09 04:54 AM
                Tukwila Update - article onlineDoug Siebert2009/02/09 10:40 PM
                  Tukwila Update - article onlineJouni Osmala2009/02/10 01:03 AM
                  Tukwila Update - article onlinesomeone2009/02/10 06:15 AM
                Tukwila Update - article onlineslacker2009/02/10 06:22 PM
    Tukwila Update - article onlineMichael S2009/02/05 03:56 PM
    Tukwila Update - article onlineDavid Kanter2009/02/05 04:55 PM
    Tukwila Update - article onlinesomeone2009/02/05 05:47 PM
      Tukwila Update - article onlineanon2009/02/05 10:16 PM
        Tukwila Update - article onlineRagingDragon2009/02/05 10:27 PM
        Tukwila Update - article onlinesomeone2009/02/06 07:32 AM
          Tukwila Update - article onlineanon2009/02/06 09:25 AM
            Tukwila Update - article onlinesomeone2009/02/06 09:40 AM
  POWER6 memory bandwidthMichael S2009/02/05 03:30 AM
    POWER6 memory bandwidthsomeone2009/02/05 07:00 AM
      POWER6 memory bandwidthMichael S2009/02/05 07:36 AM
      POWER6 interconnectconfused2009/02/05 10:50 AM
        POWER6 interconnectfoobar2009/02/05 02:12 PM
    POWER6 memory bandwidthWes Felter2009/02/05 12:57 PM
    POWER6 memory bandwidthJesper Frimann2009/02/09 11:54 PM
      POWER6 memory bandwidthMichael S2009/02/10 07:21 AM
  Why the platform focus?Linus Torvalds2009/02/05 08:40 AM
    Why the platform focus?savantu2009/02/05 08:50 AM
      Why the platform focus?Vincent Diepeveen2009/02/05 09:29 AM
        Why the platform focus?savantu2009/02/05 10:34 PM
          Why the platform focus?Vincent Diepeveen2009/02/05 11:09 PM
          Why the platform focus?Phil2009/02/06 01:10 AM
            Why the platform focus?savantu2009/02/06 01:50 AM
              Why the platform focus?Phil2009/02/06 07:09 AM
                Why the platform focus?savantu2009/02/06 10:08 AM
                Why the platform focus?someone2009/02/06 10:21 AM
                  Why the platform focus?mpx2009/02/06 02:04 PM
                    Why the platform focus?someone2009/02/06 02:16 PM
                Why the platform focus?RagingDragon2009/02/07 04:16 PM
                Why the platform focus?mas2009/02/25 08:28 AM
              itanium bigger than entire car industryVincent Diepeveen2009/02/06 07:12 AM
                itanium bigger than entire car industryDevon Welles2009/02/06 07:51 AM
                  itanium bigger than entire car industryVincent Diepeveen2009/02/06 10:41 AM
                  itanium bigger than entire car industryDean Kent2009/02/06 07:56 PM
                    Unit sales is meaningless when ASP grows fastersomeone2009/02/07 09:38 AM
                      Unit sales is meaningless when ASP grows fasterDean Kent2009/02/07 03:10 PM
                        Unit sales is meaningless when ASP grows fasterRagingDragon2009/02/07 04:34 PM
                    itanium bigger than entire car industryVincent Diepeveen2009/02/08 05:35 AM
                itanium bigger than entire car industryRagingDragon2009/02/07 04:40 PM
            Why the platform focus?Vincent Diepeveen2009/02/06 07:47 AM
      Yes it doesm performance mattersbob2009/02/05 10:51 AM
        Yes it doesm performance mattersVenki2009/02/05 11:06 AM
      Why the platform focus?Doug Siebert2009/02/06 01:07 AM
        Why the platform focus?savantu2009/02/06 02:00 AM
    Why the platform focus?someone2009/02/05 10:49 AM
      Why the platform focus?Linus Torvalds2009/02/05 12:03 PM
        Why the platform focus?Default2009/02/05 01:29 PM
          Why the platform focus?anon2009/02/05 02:08 PM
        Why the platform focus?someone2009/02/05 02:24 PM
          Why the platform focus?Linus Torvalds2009/02/05 03:30 PM
    Why the platform focus?Paradox2009/02/05 11:22 AM
    Why the platform focus?slacker2009/02/05 01:41 PM
      Why the platform focus?RagingDragon2009/02/05 10:57 PM
      Why the platform focus?Michael S2009/02/06 06:11 AM
        Why the platform focus?slacker2009/02/06 01:58 PM
          Why the platform focus?Michael S2009/02/08 02:24 AM
            Why the platform focus?someone2009/02/08 09:38 AM
              Why the platform focus?David Kanter2009/02/08 04:27 PM
                Why the platform focus?someone2009/02/08 07:26 PM
                  Why the platform focus?savantu2009/02/09 12:35 AM
          Why the platform focus?someone2009/02/08 09:53 AM
    All x86 SpecInt scores are useless due to autopar (NT)Michael S2009/02/05 03:15 PM
      Auto parallelizationDavid Kanter2009/02/05 06:17 PM
      All x86 SpecInt scores are useless due to autopar (NT)Paradox2009/02/06 08:47 AM
    Why the platform focus?David Kanter2009/02/05 04:49 PM
    Why the platform focus?David Kanter2009/02/06 01:09 AM
      Why the platform focus?Linus Torvalds2009/02/06 08:14 AM
        Why the platform focus?savantu2009/02/06 10:37 AM
          Why the platform focus?Linus Torvalds2009/02/06 12:49 PM
            Why the platform focus?Linus Torvalds2009/02/06 01:09 PM
            Intel puts its money where its mouth issomeone2009/02/06 02:08 PM
              Intel puts its money where its mouth isRagingDragon2009/02/07 06:01 PM
                Intel puts its money where its mouth issomeone2009/02/08 02:24 PM
                  mission-criticalMichael S2009/02/08 05:06 PM
                    mission-criticalmpx2009/02/09 02:30 AM
                      mission-criticalrwessel2009/02/09 03:23 PM
                    mission-criticalanon2009/02/09 03:55 AM
                    mission-criticalEduardoS2009/02/09 05:17 PM
                      mission-criticalDean Kent2009/02/09 08:11 PM
                        mission-criticalMichael S2009/02/10 05:20 AM
                          mission-criticalDean Kent2009/02/10 07:26 AM
                            mission-criticalMichael S2009/02/10 08:01 AM
                              mission-criticalDean Kent2009/02/10 01:36 PM
                            mission-criticalsomeone2009/02/10 09:05 AM
                              mission-criticalDean Kent2009/02/10 01:22 PM
                                mission-criticalZt2009/02/22 04:54 PM
                          mission-criticalanon2009/02/10 10:41 PM
                        mission-criticalEduardoS2009/02/10 01:46 PM
                          mission-criticalDean Kent2009/02/10 02:31 PM
                        mission-criticalslacker2009/02/10 07:30 PM
                    mission-criticalVincent Diepeveen2009/02/18 07:20 AM
                  Mission criticalmpx2009/02/09 01:00 AM
            Why the platform focus?savantu2009/02/07 01:15 AM
              Sun and x86 server differentiationDavid Kanter2009/02/07 01:34 AM
                Sun and x86 server differentiationmax2009/02/07 03:30 AM
                Sun and x86 server differentiationsomeone2009/02/07 10:19 AM
                  Sun and x86 server differentiationLinus Torvalds2009/02/07 10:44 AM
                Sun and x86 server differentiationRagingDragon2009/02/07 06:09 PM
                  Sun and x86 server differentiationMichael S2009/02/08 05:05 AM
                    Sun and x86 server differentiationRagingDragon2009/02/10 12:03 AM
                    Sun and x86 server differentiationJesper Frimann2009/02/10 12:51 AM
                      Sun and x86 server differentiationAlex Jones2009/02/10 01:43 PM
            Why the platform focus?bob2009/02/08 04:51 AM
              Why the platform focus?someone2009/02/08 09:23 AM
          missing the big pictureAM2009/02/18 06:43 AM
            missing the big pictureMichael S2009/02/18 08:42 AM
              missing the big pictureAM2009/02/18 09:03 AM
        Why the platform focus?mpx2009/02/06 12:47 PM
          Itanium - slowest and most obsolete server CPU family in the world, NOW.mpx2009/02/06 04:48 PM
            Itanium - slowest and most obsolete server CPU family in the world, NOW.Paul2009/02/07 02:56 PM
              z series?Michael S2009/02/07 03:12 PM
              Itanium - slowest and most obsolete server CPU family in the world, NOW.someone else2009/02/24 04:37 AM
                Itanium - slowest and most obsolete server CPU family in the world, NOW.EduardoS2009/02/24 06:55 AM
                  Itanium - slowest and most obsolete server CPU family in the world, NOW.someone else2009/02/25 01:55 AM
                    Itanium - slowest and most obsolete server CPU family in the world, NOW.Michael S2009/02/25 02:27 AM
          Why the platform focus?RagingDragon2009/02/07 06:18 PM
            Why the platform focus?Paul2009/02/08 01:10 PM
              Why the platform focus?Jukka Larja2009/02/08 11:04 PM
        Why the platform focus?slacker2009/02/06 02:10 PM
          Why the platform focus?Linus Torvalds2009/02/06 02:40 PM
            Why the platform focus?savantu2009/02/06 02:51 PM
            Why the platform focus?someone2009/02/06 02:58 PM
              Why the platform focus?Linus Torvalds2009/02/07 09:26 AM
                Why the platform focus?someone2009/02/07 10:10 AM
                  Why the platform focus?Linus Torvalds2009/02/07 10:40 AM
                    Why the platform focus?someone2009/02/07 12:24 PM
                      Why the platform focus?Doug Siebert2009/02/08 12:32 AM
                        Why the platform focus?max2009/02/08 04:57 AM
                          Why the platform focus?Michael S2009/02/08 05:20 AM
                        Why the platform focus?someone2009/02/08 09:15 AM
                          Why the platform focus?Doug Siebert2009/02/08 11:36 PM
                      Why the platform focus?hobold2009/02/09 05:49 AM
                Why the platform focus?anon2009/02/24 01:57 AM
                  Why the platform focus?Linus Torvalds2009/02/24 09:45 AM
                    Why the platform focus?savantu2009/02/24 12:30 PM
                      Why the platform focus?slacker2009/02/24 01:51 PM
                        Why the platform focus?savantu2009/02/25 12:04 AM
                          Why the platform focus?Michael S2009/02/25 02:34 AM
                          Why the platform focus?anon2009/02/25 10:17 AM
                      Why the platform focus?max2009/02/25 11:15 AM
                    Why the platform focus?someone2009/02/24 05:43 PM
                      Why the platform focus?Doug Siebert2009/02/24 08:26 PM
                        Why the platform focus?Howard Chu2009/02/25 03:07 AM
                          Why the platform focus?someone2009/02/25 06:48 AM
                        Why the platform focus?someone2009/02/25 06:41 AM
                          Why the platform focus?Linus Torvalds2009/02/25 09:17 AM
                            Why the platform focus?someone2009/02/25 09:55 AM
                              has anyone seen Tukwila silicon?anon2009/02/25 10:38 AM
                              Why the platform focus?Linus Torvalds2009/02/25 11:05 AM
                                Why the platform focus?slacker2009/02/25 01:11 PM
                                Why the platform focus?a reader2009/02/26 09:11 PM
                                  Why the platform focus?rcf2009/02/27 01:32 PM
                                    Why the platform focus?max2009/02/27 02:11 PM
                                      Why the platform focus?rcf2009/02/27 03:50 PM
                            Why the platform focus?Vincent Diepeveen2009/02/25 04:30 PM
                            $40M sale to $16M companybob2009/02/25 08:25 PM
                              $40M sale to $16M companyRichard Cownie2009/02/26 12:21 PM
                  Why the platform focus?anonymous2009/02/24 11:52 AM
                    Why the platform focus?savantu2009/02/24 12:20 PM
                      Why the platform focus?anonymous2009/02/24 03:31 PM
                        Why the platform focus?savantu2009/02/25 12:05 AM
                        Why the platform focus?someone else2009/02/25 01:04 AM
                          Why the platform focus?Michael S2009/02/25 01:42 AM
                            Put me down for $500 that Poulson doesn't arrive earlier than Q4/2011 (NT)slacker2009/02/25 12:39 PM
                        Why the platform focus?someone2009/02/25 06:54 AM
                          Why the platform focus?anonymous2009/02/25 09:46 AM
                            Why the platform focus?someone2009/02/25 10:22 AM
                            Why the platform focus?anon2009/02/25 11:01 AM
                              Why the platform focus?anonymous2009/02/25 11:54 AM
                  Why the platform focus?mpx2009/02/24 02:11 PM
                    Why the platform focus?anon2009/02/24 08:57 PM
                      Why the platform focus?Doug Siebert2009/02/24 10:04 PM
                        Why the platform focus?anon2009/02/24 10:46 PM
                          Why the platform focus?Doug Siebert2009/02/25 05:13 PM
                            Why the platform focus?anon2009/02/25 08:53 PM
                              Why the platform focus?bob2009/02/25 09:00 PM
                                Please try to keep up (NT)anon2009/02/25 09:49 PM
                              Why the platform focus?Doug Siebert2009/02/26 12:09 AM
                                Why the platform focus?anon2009/02/26 01:12 AM
                                Why the platform focus?Michael S2009/02/26 02:16 AM
                                  Why the platform focus?James2009/02/26 06:09 AM
                                    sufficiently intimate with the OSMichael S2009/02/26 06:29 AM
                                      sufficiently intimate with the OSanon2009/02/27 01:01 AM
                                      sufficiently intimate with the OSHoward Chu2009/02/27 01:37 AM
                      Why the platform focus?Michael S2009/02/25 02:02 AM
                        Why the platform focus?anon2009/02/25 03:07 AM
              Why the platform focus?anon2009/02/07 01:18 PM
                Why the platform focus?Vincent Diepeveen2009/02/08 10:16 AM
                Why the platform focus?anon2009/02/25 07:40 AM
                  Intels financial statusVincent Diepeveen2009/02/25 12:02 PM
                Why the platform focus?someone2009/02/25 07:54 AM
      Why the platform focus?Vincent Diepeveen2009/02/06 08:20 AM
        Why the platform focus?Default2009/02/06 09:57 AM
          Why the platform focus?Vincent Diepeveen2009/02/06 10:59 AM
          Why the platform focus?RagingDragon2009/02/07 06:43 PM
  Tukwila Update - article onlineVincent Diepeveen2009/02/05 09:11 AM
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