Performance analysis of K8 and Core online

Article: Performance Analysis for Core 2 and K8: Part 1
By: rwessel (robertwessel.delete@this.yahoo.com), October 29, 2008 10:08 am
Room: Moderated Discussions
David Kanter (dkanter@realworldtech.com) on 10/29/08 wrote:
---------------------------
>Ladies and Gentlemen,
>
>I am very happy to announce that my brother Aaron and I have written up the first
>part of a long over-due article that takes a deep dive into the performance of modern CPUs.
>
>Two years ago, we started playing with Code Analyst and VTune to gather performance
>profiling data on common gaming benchmarks. Our goal is to try and dive one level
>deeper than traditional benchmarking and quantitatively explore why Intel's Core
>2 is vastly superior to AMD's K8 for the benchmarks we selected.
>
>Our articles goes through many of the problems we dealt with (such as flaky tools,
>inconsistent results, etc.) and presents a substantial amount of data on relatively modern applications.
>
>Please take a read and use some of this information to think about how future CPUs,
>such as Nehalem and Barcelona might perform.
>
>http://realworldtech.com/page.cfm?ArticleID=RWT102808015436


In reference to Figure 9 (L1I Cache Misses per Instruction Retired (MPKI)), the following seems backwards:

"Unsurprisingly, AMD’s larger caches carry the day with an advantage of around 1 MPKI for many of the various benchmarks and configurations. The main exceptions here are Far Cry High and Fear Low, which both seem to barely favor Intel."
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TopicPosted ByDate
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
  Performance analysis of K8 and Core onlinerwessel2008/10/29 10:08 AM
    Performance analysis of K8 and Core onlineDavid Kanter2008/10/30 10:48 AM
    Error fixedDavid Kanter2008/11/08 05:22 PM
  I cache fetches.Jouni Osmala2008/10/31 12:10 AM
    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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