New article: Bulldozer benchmark analysis

Article: Bulldozer Benchmarks, What Do They Mean?
By: David Kanter (dkanter.delete@this.realworldtech.com), March 30, 2011 3:27 am
Room: Moderated Discussions
Just got a new article up, looking at the recent Bulldozer benchmark leaks. I go through all the reasons why the tests are inaccurate and will tend to under-estimate Bulldozer's performance. I also conduct my own analysis and discuss several conclusions about both Bulldozer and the uncertain nature of the tests.

http://realworldtech.com/page.cfm?ArticleID=RWT033011040021

Enjoy,


David

PS: I apologize for the terse explanation. Comcast just went out and I'm doing all the editing, etc. from my phone.

PPS: Phones are a crap replacement for PCs.
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New article: Bulldozer benchmark analysisDavid Kanter2011/03/30 03:27 AM
  New article: Bulldozer benchmark analysisNaN2011/03/30 08:47 AM
    New article: Bulldozer benchmark analysisDavid Kanter2011/03/30 10:25 AM
      New article: Bulldozer benchmark analysisdc2011/03/30 01:07 PM
      New article: Bulldozer benchmark analysisFoo_2011/03/30 01:17 PM
        New article: Bulldozer benchmark analysisDavid Kanter2011/03/30 02:34 PM
          BD won't "kick in" until 2.5GHzBaronMAtrix2011/03/31 09:37 AM
            BD won't "kick in" until 2.5GHzDavid Kanter2011/03/31 10:21 AM
              He is an AMDZone lunaticNIKOLAS2011/04/01 07:40 AM
                See how he behaves hereDavid Kanter2011/04/01 09:08 AM
                He is an AMDZone lunatichorsefly2011/04/02 06:46 AM
                  This is not relevantDavid Kanter2011/04/02 10:16 AM
                  Post removedDavid Kanter2011/04/02 01:39 PM
          New article: Bulldozer benchmark analysisanonymous2011/04/04 06:08 AM
      New article: Bulldozer benchmark analysisinterested2011/04/01 04:28 PM
        New article: Bulldozer benchmark analysisDavid Kanter2011/04/01 04:53 PM
          New article: Bulldozer benchmark analysisNaN2011/04/02 08:12 AM
            New article: Bulldozer benchmark analysisDavid Kanter2011/04/02 10:05 AM
              New article: Bulldozer benchmark analysisNaN2011/04/02 10:24 AM
                New article: Bulldozer benchmark analysisDavid Kanter2011/04/02 01:36 PM
                  AMD's Open64 compiler ?Alex2011/04/04 03:23 AM
                    AMD's Open64 compiler ?David Kanter2011/04/04 09:19 AM
                      AMD's Open64 compiler ?Richard Cownie2011/04/04 10:52 AM
                        AMD's Open64 compiler ?David Kanter2011/04/04 02:20 PM
                          AMD's Open64 compiler ?none2011/04/04 03:25 PM
                        AMD's Open64 compiler ?gallier22011/04/05 12:06 AM
                          thanks, very interesting (NT)Richard Cownie2011/04/05 04:44 AM
                          AMD's Open64 compiler ?Andreas Stiller2011/04/05 09:23 AM
                        AMD's Open64 compiler ?Vincent Diepeveen2011/04/06 02:11 AM
                      AMD's Open64 compiler ?Vincent Diepeveen2011/04/06 02:01 AM
                        AMD's Open64 compiler ?none2011/04/06 02:41 AM
                          AMD's Open64 compiler ?Vincent Diepeveen2011/04/07 03:02 PM
                            AMD's Open64 compiler ?Brett2011/04/07 05:55 PM
                              AMD's Open64 compiler ?Megol2011/04/09 12:03 PM
                                Clang+LLVMBrett2011/04/11 11:51 PM
                                  Clang+LLVMRob Thorpe2011/04/12 01:52 AM
                                    Clang+LLVMBrett2011/04/12 09:27 PM
                                      I prefer my dollars exponential, not cubic (NT)David Kanter2011/04/13 12:34 AM
                                        I prefer cubic meters of euros over cubic feet of dollarsJouni Osmala2011/04/13 02:13 AM
                                          Life is not about money, but about power (and informational asymetry)?2011/04/18 02:14 AM
                                      Clang+LLVMRob Thorpe2011/04/13 11:37 AM
                                        Clang+LLVMLinus Torvalds2011/04/13 12:47 PM
                                          Clang+LLVMRob Thorpe2011/04/13 02:46 PM
                                            Clang+LLVMLinus Torvalds2011/04/13 05:40 PM
                                              Clang+LLVManon2011/04/13 08:31 PM
                                                Clang+LLVMLinus Torvalds2011/04/14 07:11 AM
                                              Clang+LLVMRob Thorpe2011/04/14 01:33 PM
                                                Clang+LLVMLinus Torvalds2011/04/14 01:48 PM
                                                  Clang+LLVMAndi Kleen2011/04/14 07:38 PM
                                                    Clang+LLVMJouni Osmala2011/04/14 10:54 PM
                                                  Clang+LLVM?2011/04/15 12:56 AM
                                                    Clang+LLVMLinus Torvalds2011/04/15 07:23 AM
                                                      Clang+LLVM?2011/04/15 11:11 PM
                                                        Clang+LLVMLinus Torvalds2011/04/16 09:10 AM
                                                          Clang+LLVMLinus Torvalds2011/04/16 09:32 AM
                                                            Competing for speed?2011/04/17 12:47 AM
                                                            Clang+LLVMEduardoS2011/04/17 01:38 PM
                                                              Clang+LLVMLinus Torvalds2011/04/17 03:00 PM
                                                                Competing for speed?2011/04/17 11:57 PM
                                                                  Competing for speedLinus Torvalds2011/04/18 10:07 AM
                                                                    Competing for speedanon2011/04/18 06:38 PM
                                                                      Competing for speedLinus Torvalds2011/04/18 08:24 PM
                                                                        Competing for speedanon2011/04/19 06:05 AM
                                                                          Competing for speedanon2011/04/21 02:35 PM
                                                                            Competing for speedLinus Torvalds2011/04/22 12:09 PM
                                                                    Competing for speed?2011/04/19 12:45 AM
                                                                      Competing for speedLinus Torvalds2011/04/19 07:41 AM
                                                                        Competing for speedLinus Torvalds2011/04/19 08:46 AM
                                                                        Oh ... the irony?2011/04/19 11:36 AM
                                                                          Oh ... the ironyLinus Torvalds2011/04/19 02:49 PM
                                                                            What's the speedup?iz2011/04/19 11:54 PM
                                                                              What's the speedup?Linus Torvalds2011/04/20 07:48 AM
                                                                            Oh ... the irony?2011/04/23 06:52 AM
                                                                          Oh ... the ironyDougal2011/04/20 07:23 AM
                                                                            Oh ... the irony?2011/04/25 01:05 PM
                                                                              Oh ... the ironyDougal2011/04/26 06:22 AM
                                                                                Oh ... the irony?2011/04/27 01:14 AM
                                                  Clang+LLVMRob Thorpe2011/04/16 02:23 PM
                                                    Clang+LLVManon2011/04/16 04:01 PM
                                                      Clang+LLVMRob Thorpe2011/04/18 05:53 AM
                                                        Clang+LLVManon2011/04/18 06:28 PM
                                        Clang+LLVMPaul2011/04/14 11:43 AM
                                  Clang+LLVMFoo_2011/04/12 06:36 AM
                              AMD's Open64 compiler ?Paul2011/04/10 03:50 AM
                                C++ front-endsDavid Kanter2011/04/10 07:29 AM
                                  C++ front-endsPaul2011/04/10 08:19 AM
                                    C++ front-endsanonymous2011/04/10 08:28 AM
                                      C++ front-endsnone2011/04/10 08:36 AM
                                      C++ front-endsPaul2011/04/10 08:44 AM
                                    C++ front-endsMichael S2011/04/10 08:47 AM
                                      C++ front-endsnone2011/04/10 08:51 AM
                                      C++ front-endsRob Thorpe2011/04/10 12:13 PM
                                        C++ front-endsPaul2011/04/11 11:07 AM
                                AMD's Open64 compiler ?Konrad Schwarz2011/04/14 02:06 AM
                              Testing Clang + LLVMVincent Diepeveen2011/04/20 07:31 AM
                                Does your program crash when compiled with -O0? (NT)Michael S2011/04/20 11:11 AM
                                  Does your program crash when compiled with -O0? (NT)Vincent Diepeveen2011/04/20 12:33 PM
                                Testing Clang + LLVMMegol2011/04/20 12:05 PM
                                  Testing Clang + LLVMVincent Diepeveen2011/04/20 12:43 PM
                                    Testing Clang + LLVMstubar2011/04/20 01:23 PM
                                      Testing Clang + LLVMVincent Diepeveen2011/04/20 01:42 PM
                                        Testing Clang + LLVMRob Thorpe2011/04/20 03:30 PM
                                          Testing Clang + LLVMahnoun2011/04/20 04:13 PM
                                            Testing Clang + LLVMMark Roulo2011/04/20 05:05 PM
                                              Testing Clang + LLVMMegol2011/04/22 05:30 AM
                                    Testing Clang + LLVMahnoun2011/04/20 03:31 PM
                                      Testing Clang + LLVMVincent Diepeveen2011/04/21 03:17 AM
                                        Testing Clang + LLVMnone2011/04/21 03:36 AM
                                        Testing Clang + LLVMahnoun2011/04/21 12:02 PM
                                          Testing Clang + LLVMMichael S2011/04/21 01:01 PM
                                            Testing Clang + LLVMMichael S2011/04/21 04:29 PM
                                              Testing Clang + LLVMBrett2011/04/21 05:49 PM
                                              Testing Clang + LLVMEduardoS2011/04/22 03:22 PM
                                                Testing Clang + LLVMMichael S2011/04/23 10:59 AM
                                            Testing Clang + LLVMDavid Ball2011/04/21 07:43 PM
                                Testing Clang + LLVMBrett2011/04/20 01:54 PM
                            AMD's Open64 compiler ?Megol2011/04/09 11:49 AM
                              Imperative compilers (and the lack of it)?2011/04/10 01:36 AM
                                Imperative compilers (and the lack of it)?2011/04/10 01:43 AM
                                Imperative compilers (and the lack of it)Paul2011/04/10 03:37 AM
                                  Imperative compilers (and the lack of it)?2011/04/10 06:30 AM
                                  Imperative compilers (and the lack of it)Vincent Diepeveen2011/04/10 07:20 AM
                                  Imperative compilers (and the lack of it)Gabriele Svelto2011/04/11 09:24 AM
                                  Imperative compilers (and the lack of it)Michael S2011/04/12 01:12 AM
                                    Imperative compilers (and the lack of it)?2011/04/12 02:41 AM
                                      Imperative compilers (and the lack of it)EduardoS2011/04/12 04:13 PM
                                        U+269BMichael S2011/04/13 01:45 AM
                                          U+269B?2011/04/13 04:52 AM
                                            U+269BBrendan2011/04/20 08:18 AM
                                              U+269BMichael S2011/04/20 10:11 AM
                                                U+269BHeath Provost2011/04/20 11:26 AM
                                                  You are right, Heath. Sorry, Brannon.Michael S2011/04/20 11:42 AM
                                                    Sorry again, Brendan (NT)Michael S2011/04/20 11:43 AM
                                                    Testing western non-us letters.Jouni Osmala2011/04/20 10:41 PM
                                                      Those show up fine to me (NT)David Kanter2011/04/21 08:48 AM
                                                      Testing western non-us letters.Heath Provost2011/04/21 12:15 PM
                                                        Testing western non-us letters.EduardoS2011/04/22 03:14 PM
                                                          Testing western non-us letters.Heath Provost2011/04/22 04:21 PM
                                                            Testing western non-us letters.EduardoS2011/04/22 05:24 PM
                                                            We actually upgraded to 2008 R2David Kanter2011/04/22 11:23 PM
                                                              We actually upgraded to 2008 R2EduardoS2011/04/22 11:33 PM
                                                                We actually upgraded to 2008 R2rwessel2011/04/23 12:11 AM
                                                                  We actually upgraded to 2008 R2David Kanter2011/04/23 12:28 AM
                                                                    We actually upgraded to 2008 R2Ricardo B2011/04/23 10:43 AM
                                                                      We actually upgraded to 2008 R2David Kanter2011/04/23 11:31 AM
                                                                    We actually upgraded to 2008 R2sparkplug2011/04/23 09:25 PM
                                                                      We actually upgraded to 2008 R2David Kanter2011/04/24 04:36 PM
                                                                        We actually upgraded to 2008 R2anon2011/04/24 07:32 PM
                                                                          We actually upgraded to 2008 R2David Kanter2011/04/25 12:12 AM
                                                                        We actually upgraded to 2008 R2EduardoS2011/04/24 09:10 PM
                                                                          We actually upgraded to 2008 R2David Kanter2011/04/25 12:04 AM
                                                                        We actually upgraded to 2008 R2anonymous2011/04/24 09:44 PM
                                                                          We actually upgraded to 2008 R2David Kanter2011/04/24 11:57 PM
                                                                        File size optimizationsjrl2011/04/25 03:03 AM
                                                                          File size optimizationsRicardo B2011/04/25 08:14 AM
                                                                            File size optimizationsjrl2011/04/25 06:52 PM
                                                                          File size optimizationsDavid Kanter2011/04/25 08:49 AM
                                                                            File size optimizationsRicardo B2011/04/25 09:22 AM
                                                                              ContinuationRicardo B2011/04/25 09:25 AM
                                                                              File size optimizationsChristian Packmann2011/04/25 10:56 AM
                                                                                File size optimizationsEduardoS2011/04/25 12:57 PM
                                                                                  File size optimizationsRicardo B2011/04/25 02:01 PM
                                                                            File size optimizationsEduardoS2011/04/25 01:01 PM
                                                                            Javascript is at the root of the latency problemjrl2011/04/25 07:03 PM
                                                                          File size optimizationsEduardoS2011/04/25 01:14 PM
                                                                            File size optimizationsrwessel2011/04/25 01:49 PM
                                                                              File size optimizationsEduardoS2011/04/25 01:57 PM
                                                                            File size optimizationsjrl2011/04/25 06:54 PM
                                                                              A simple approachSilent2011/04/25 10:24 PM
                                                                                Show Thread exists but the default is Yes (NT)Silent2011/04/25 10:26 PM
                                                                          File size optimizationsHeath Provost2011/04/25 03:02 PM
                                    Imperative compilers (and the lack of it)Azazel2011/04/12 09:23 PM
                                Imperative compilers (and the lack of it)none2011/04/10 07:00 AM
                                  Imperative compilers (and the lack of it)dmsc2011/04/10 07:39 AM
                                  Imperative compilers (and the lack of it)EduardoS2011/04/10 01:55 PM
                                compiler failure rateshobold2011/04/10 11:55 AM
                                  compiler failure rates?2011/04/11 12:13 AM
                                    compiler failure rateshobold2011/04/11 06:07 AM
                                Imperative compilers (and the lack of it)EduardoS2011/04/10 01:55 PM
                                  Imperative compilers (and the lack of it)?2011/04/11 12:13 AM
                                    Imperative compilers (and the lack of it)Konrad Schwarz2011/04/14 02:28 AM
                                      Imperative compilers (and the lack of it)gallier22011/04/14 05:47 AM
                                      Imperative compilers (and the lack of it)EduardoS2011/04/14 03:04 PM
                                        Imperative compilers (and the lack of it)Konrad Schwarz2011/04/15 04:43 AM
                                Hard register problemsRob Thorpe2011/04/11 01:14 AM
                                  Hard register problemsMax2011/04/11 04:05 PM
                                    Hard register problemsRob Thorpe2011/04/11 04:28 PM
                                Imperative compilers (and the lack of it)gallier22011/04/11 10:26 AM
                                  I wonder why.j2011/04/11 11:39 PM
                                    I wonder why.?2011/04/12 12:44 AM
                                Imperative compilers (and the lack of it)nksingh2011/04/13 12:00 AM
                                  Imperative compilers (and the lack of it)?2011/04/13 12:23 AM
                              AMD's Open64 compiler ?Vincent Diepeveen2011/04/10 07:06 AM
                                AMD's Open64 compiler ?none2011/04/10 08:23 AM
                                  AMD's Open64 compiler ?Eugene Nalimov2011/04/11 04:57 PM
                                    AMD's Open64 compiler ?EduardoS2011/04/12 03:55 PM
                                AMD's Open64 compiler ?Megol2011/04/11 12:05 AM
                                  AMD's Open64 compiler ?Vincent Diepeveen2011/04/20 01:52 PM
                                    Yap transform? What is it? (NT)Michael S2011/04/21 10:04 AM
                                      Yap transform? What is it? (NT)Vincent Diepeveen2011/04/22 03:56 AM
                    AMD's Open64 compiler ?Vincent Diepeveen2011/04/05 01:02 PM
    New article: Bulldozer benchmark analysisNaN2011/03/30 06:24 PM
      New article: Bulldozer benchmark analysisChris2011/04/05 04:33 AM
  New article: Bulldozer benchmark analysisdc2011/03/30 09:09 AM
    New article: Bulldozer benchmark analysisMS2011/03/30 09:53 AM
      New article: Bulldozer benchmark analysisDaniel Bizo2011/03/31 01:20 AM
        New article: Bulldozer benchmark analysisanun2011/03/31 03:48 AM
    New article: Bulldozer benchmark analysisAlex2011/03/30 10:18 AM
      New article: Bulldozer benchmark analysisIntelUser20002011/03/30 02:19 PM
    New article: Bulldozer benchmark analysisGroo2011/03/31 07:14 AM
      New article: Bulldozer benchmark analysisanon2011/03/31 09:29 AM
        AMD's memory controllers are fineDavid Kanter2011/03/31 10:27 AM
          AMD's memory controllers are fineanon2011/04/05 12:24 PM
            AMD's memory controllers are fineanon2011/04/05 05:52 PM
              AMD's memory controllers are fineVincent Diepeveen2011/04/06 02:36 AM
                AMD's memory controllers are fineanon2011/04/06 07:59 AM
                  AMD's memory controllers are fineVincent Diepeveen2011/04/07 03:15 PM
                    AMD's memory controllers are fineVincent Diepeveen2011/04/07 03:27 PM
                      AMD's memory controllers are fineanon2011/04/07 03:57 PM
                    AMD's memory controllers are fineanon2011/04/07 03:54 PM
        New article: Bulldozer benchmark analysisAzazel2011/03/31 10:54 AM
        New article: Bulldozer benchmark analysisAlex2011/04/01 12:38 AM
      New article: Bulldozer benchmark analysisanon2011/04/01 04:23 AM
    Streaming conflicts can lead to performance degradationsgc2011/04/08 07:35 AM
  AMD's probe filterAndreas Stiller2011/04/05 09:37 AM
  a waste of timeMoritz2011/04/09 08:01 AM
    a waste of timehorsefly2011/04/09 04:34 PM
      a waste of timeDavid Kanter2011/04/09 07:56 PM
        a waste of timehorsefly2011/04/10 06:13 AM
          InvestorsDavid Kanter2011/04/10 07:27 AM
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