Shanghai vs Penryn Spec Power

Article: Performance Analysis for Core 2 and K8: Part 1
By: Joe Chang (jchang6.delete@this.Xyahoo.com), November 9, 2008 3:38 pm
Room: Moderated Discussions
Inquirer points out the SPEC Power results posted by AMD for Shanghai and Penryn (Xeon L5420) both at 2.5GHz.
AMD results for Shanghai is 731 versus 561 for Xeon.
SPEC Power results posted by others for the L5420 were higher, the SuperMicro results being 990, but not as close a system match as the 2 AMD results (Windows instead of Linux, and BEA vs Oracle).
Now SPEC Power is not my field, as I have never run it. Inquirer points out the different memory config. However in reading through the reports, AMD has the Xeon L5420 system power at 179, 197 and 279W for idle, 10% and 100% respectively. The SuperMicro result has 97, 108 and 174W respectively. I do not think 2 DIMMs will make up 100W, The difference in the SuperMicro result includes settings:
Adjacent Sector Prefetcher disabled in BIOS.
C1 Enhanced Mode enabled in BIOS.
3pin Server Mode enabled.
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Performance analysis of K8 and Core onlineDavid Kanter2008/10/29 12:47 AM
  Performance analysis of K8 and Core onlineJames2008/10/29 01:36 AM
    Performance analysis of K8 and Core onlineMatt Sayler2008/10/29 04:37 AM
    Performance analysis of K8 and Core onlineDavid Kanter2008/10/30 11:00 AM
      Performance analysis of K8 and Core onlineMichael S2008/10/30 05:32 PM
        Performance analysis of K8 and Core onlineDavid Kanter2008/10/31 07:38 AM
        Performance analysis of K8 and Core onlineEduardoS2008/10/31 04:36 PM
          Performance analysis of K8 and Core onlineMichael S2008/11/01 07:21 AM
            Performance analysis of K8 and Core onlineEduardoS2008/11/01 10:15 AM
              Performance analysis of K8 and Core onlineanonymous2008/11/01 12:06 PM
              I stay correctedMichael S2008/11/01 12:53 PM
    Performance analysis of K8 and Core onlineDavid Kanter2008/11/08 05:23 PM
  Performance analysis of K8 and Core onlinehobold2008/10/29 05:36 AM
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    Error fixedDavid Kanter2008/11/08 05:22 PM
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    I cache fetches.anon2008/10/31 01:57 AM
      I cache fetches.anon.moose2008/10/31 07:06 AM
        I cache fetches.anon2008/10/31 01:32 PM
          I cache fetches.Peter2008/10/31 02:38 PM
            I cache fetches - clarificationPeter2008/10/31 02:50 PM
        instruction fetch vs. icache accessDavid Kanter2008/10/31 05:19 PM
  Performance analysis of K8 and Core onlineHoward Chu2008/10/31 01:39 AM
    Performance analysis of K8 and Core onlineLinus Torvalds2008/10/31 07:08 AM
      Performance analysis of K8 and Core onlineEduardoS2008/10/31 12:11 PM
      Timing sensitive performanceDavid Kanter2008/11/03 08:52 AM
    Performance analysis of K8 and Core onlineDavid Kanter2008/11/01 10:53 PM
      Performance analysis of K8 and Core onlineMichael S2008/11/02 04:12 AM
      Performance analysis of K8 and Core onlineEduardoS2008/11/02 06:47 AM
    Performance analysis of K8 and Core onlineDavid Kanter2008/11/03 10:23 AM
  Shanghai vs Penryn Spec PowerJoe Chang2008/11/09 03:38 PM
    Shanghai vs Penryn Spec PowerEduardoS2008/11/09 04:14 PM
      Shanghai vs Penryn Spec PowerMichael S2008/11/09 05:08 PM
        Shanghai vs Penryn Spec PowerHenrik S2008/11/09 10:52 PM
        Shanghai vs Penryn Spec PowerEduardoS2008/11/10 04:32 AM
          Shanghai vs Penryn Spec PowerMichael S2008/11/10 05:56 AM
            Shanghai vs Penryn Spec PowerEduardoS2008/11/10 11:32 AM
              Shanghai vs Penryn Spec PowerMichael S2008/11/10 04:55 PM
                Shanghai vs Penryn Spec Poweranonymous2008/11/10 07:28 PM
                  Shanghai vs Penryn Spec PowerMichael S2008/11/11 01:32 AM
                    Shanghai vs Penryn Spec Poweranonymous2008/11/11 10:38 AM
                Shanghai vs Penryn Spec Powermpx2008/11/11 01:12 PM
                  Shanghai vs Penryn Spec PowerMichael S2008/11/11 03:39 PM
    Seaburg vs San ClementeMichael S2008/11/09 04:37 PM
      Seaburg vs San ClementeJoe Chang2008/11/09 07:11 PM
    Links to spec.org + commentsHenrik S2008/11/10 02:18 AM
      Links to spec.org + commentsMichael S2008/11/10 03:31 AM
        Links to spec.org + commentsHenrik S2008/11/10 07:09 AM
          Links to spec.org + commentsMichael S2008/11/10 07:58 AM
            Links to spec.org + commentsHenrik S2008/11/10 09:48 AM
      Links to spec.org + commentsEduardoS2008/11/10 04:12 AM
        Links to spec.org + commentsMichael S2008/11/10 06:00 AM
          Links to spec.org + commentspgerassi2008/11/11 09:29 AM
            Links to spec.org + commentsMichael S2008/11/11 10:15 AM
  Performance analysis of K8 and Core onlineaap2008/11/16 04:08 PM
    Performance analysis of K8 and Core onlineDavid Kanter2008/11/16 06:20 PM
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