AMD's Open64 compiler ?

Article: Bulldozer Benchmarks, What Do They Mean?
By: David Kanter (dkanter.delete@this.realworldtech.com), April 4, 2011 1:20 pm
Room: Moderated Discussions
Richard Cownie (tich@pobox.com) on 4/4/11 wrote:
---------------------------
>David Kanter (dkanter@realworldtech.com) on 4/4/11 wrote:
>---------------------------
>
>>I haven't tested Pathscale myself, only PGI and ICC.

Incidentally, it looks like AMD has started using Open64 for their own SPEC submissions. So perhaps that is a step towards commercial acceptance.

>Do any of these non-gcc compilers do a significantly better
>job on code which has large, complex data structures and
>practically no floating point ?

>A long while ago I had dealings with PGI, and got the
>impression that was mostly aimed at HPC. And a lot of the
>talk about particular features also seems to focus on
>floating-point, especially generating vector FP >instructions.

>I've tended to think that gcc probably does a very good job
>of compiling programs that have the same characteristics as
>gcc itself. But maybe I'm wrong. Does anyone have recent
>data about this kind of thing ?

I don't have data, but there are several publicly available 'success stories' on Intel's site about the compiler for large complex code bases:

http://software.intel.com/en-us/articles/intel-software-development-products-customer-comments/#compilers

http://software.intel.com/en-us/articles/demystifying-the-enterprise-choices-and-scaling-hardware-for-oracle-based-apps/

In particular, Oracle (v10 and v11) and IBM (DB2) appear to use ICC for Intel CPUs. Those are certainly complex apps, but there are no actual numbers, so they are more 'feel good' stories.

In terms of data, the guys at SpeedTree claim a 35% improvement (over MSVS?) for Intel's suite of tools on the inner loop.


Back to your original topic, I think the reason for the focus on HPC is that the benchmarks discussed in my Bulldozer article were "HPC-ish". As someone pointed out, they are kinda BS because of how poorly tuned they are...but the workloads are more akin to HPC than anything else.

David
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New article: Bulldozer benchmark analysisDavid Kanter2011/03/30 02:27 AM
  New article: Bulldozer benchmark analysisNaN2011/03/30 07:47 AM
    New article: Bulldozer benchmark analysisDavid Kanter2011/03/30 09:25 AM
      New article: Bulldozer benchmark analysisdc2011/03/30 12:07 PM
      New article: Bulldozer benchmark analysisFoo_2011/03/30 12:17 PM
        New article: Bulldozer benchmark analysisDavid Kanter2011/03/30 01:34 PM
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            BD won't "kick in" until 2.5GHzDavid Kanter2011/03/31 09:21 AM
              He is an AMDZone lunaticNIKOLAS2011/04/01 06:40 AM
                See how he behaves hereDavid Kanter2011/04/01 08:08 AM
                He is an AMDZone lunatichorsefly2011/04/02 05:46 AM
                  This is not relevantDavid Kanter2011/04/02 09:16 AM
                  Post removedDavid Kanter2011/04/02 12:39 PM
          New article: Bulldozer benchmark analysisanonymous2011/04/04 05:08 AM
      New article: Bulldozer benchmark analysisinterested2011/04/01 03:28 PM
        New article: Bulldozer benchmark analysisDavid Kanter2011/04/01 03:53 PM
          New article: Bulldozer benchmark analysisNaN2011/04/02 07:12 AM
            New article: Bulldozer benchmark analysisDavid Kanter2011/04/02 09:05 AM
              New article: Bulldozer benchmark analysisNaN2011/04/02 09:24 AM
                New article: Bulldozer benchmark analysisDavid Kanter2011/04/02 12:36 PM
                  AMD's Open64 compiler ?Alex2011/04/04 02:23 AM
                    AMD's Open64 compiler ?David Kanter2011/04/04 08:19 AM
                      AMD's Open64 compiler ?Richard Cownie2011/04/04 09:52 AM
                        AMD's Open64 compiler ?David Kanter2011/04/04 01:20 PM
                          AMD's Open64 compiler ?none2011/04/04 02:25 PM
                        AMD's Open64 compiler ?gallier22011/04/04 11:06 PM
                          thanks, very interesting (NT)Richard Cownie2011/04/05 03:44 AM
                          AMD's Open64 compiler ?Andreas Stiller2011/04/05 08:23 AM
                        AMD's Open64 compiler ?Vincent Diepeveen2011/04/06 01:11 AM
                      AMD's Open64 compiler ?Vincent Diepeveen2011/04/06 01:01 AM
                        AMD's Open64 compiler ?none2011/04/06 01:41 AM
                          AMD's Open64 compiler ?Vincent Diepeveen2011/04/07 02:02 PM
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                              AMD's Open64 compiler ?Paul2011/04/10 02:50 AM
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                                    C++ front-endsanonymous2011/04/10 07:28 AM
                                      C++ front-endsnone2011/04/10 07:36 AM
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                              Imperative compilers (and the lack of it)?2011/04/10 12:36 AM
                                Imperative compilers (and the lack of it)?2011/04/10 12:43 AM
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                                          U+269B?2011/04/13 03:52 AM
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                                                U+269BHeath Provost2011/04/20 10:26 AM
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                                                    Sorry again, Brendan (NT)Michael S2011/04/20 10:43 AM
                                                    Testing western non-us letters.Jouni Osmala2011/04/20 09:41 PM
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                                                                            File size optimizationsjrl2011/04/25 05:52 PM
                                                                          File size optimizationsDavid Kanter2011/04/25 07:49 AM
                                                                            File size optimizationsRicardo B2011/04/25 08:22 AM
                                                                              ContinuationRicardo B2011/04/25 08:25 AM
                                                                              File size optimizationsChristian Packmann2011/04/25 09:56 AM
                                                                                File size optimizationsEduardoS2011/04/25 11:57 AM
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                                                                            File size optimizationsjrl2011/04/25 05:54 PM
                                                                              A simple approachSilent2011/04/25 09:24 PM
                                                                                Show Thread exists but the default is Yes (NT)Silent2011/04/25 09:26 PM
                                                                          File size optimizationsHeath Provost2011/04/25 02:02 PM
                                    Imperative compilers (and the lack of it)Azazel2011/04/12 08:23 PM
                                Imperative compilers (and the lack of it)none2011/04/10 06:00 AM
                                  Imperative compilers (and the lack of it)dmsc2011/04/10 06:39 AM
                                  Imperative compilers (and the lack of it)EduardoS2011/04/10 12:55 PM
                                compiler failure rateshobold2011/04/10 10:55 AM
                                  compiler failure rates?2011/04/10 11:13 PM
                                    compiler failure rateshobold2011/04/11 05:07 AM
                                Imperative compilers (and the lack of it)EduardoS2011/04/10 12:55 PM
                                  Imperative compilers (and the lack of it)?2011/04/10 11:13 PM
                                    Imperative compilers (and the lack of it)Konrad Schwarz2011/04/14 01:28 AM
                                      Imperative compilers (and the lack of it)gallier22011/04/14 04:47 AM
                                      Imperative compilers (and the lack of it)EduardoS2011/04/14 02:04 PM
                                        Imperative compilers (and the lack of it)Konrad Schwarz2011/04/15 03:43 AM
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                                  Hard register problemsMax2011/04/11 03:05 PM
                                    Hard register problemsRob Thorpe2011/04/11 03:28 PM
                                Imperative compilers (and the lack of it)gallier22011/04/11 09:26 AM
                                  I wonder why.j2011/04/11 10:39 PM
                                    I wonder why.?2011/04/11 11:44 PM
                                Imperative compilers (and the lack of it)nksingh2011/04/12 11:00 PM
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                              AMD's Open64 compiler ?Vincent Diepeveen2011/04/10 06:06 AM
                                AMD's Open64 compiler ?none2011/04/10 07:23 AM
                                  AMD's Open64 compiler ?Eugene Nalimov2011/04/11 03:57 PM
                                    AMD's Open64 compiler ?EduardoS2011/04/12 02:55 PM
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                                  AMD's Open64 compiler ?Vincent Diepeveen2011/04/20 12:52 PM
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                    AMD's Open64 compiler ?Vincent Diepeveen2011/04/05 12:02 PM
    New article: Bulldozer benchmark analysisNaN2011/03/30 05:24 PM
      New article: Bulldozer benchmark analysisChris2011/04/05 03:33 AM
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        AMD's memory controllers are fineDavid Kanter2011/03/31 09:27 AM
          AMD's memory controllers are fineanon2011/04/05 11:24 AM
            AMD's memory controllers are fineanon2011/04/05 04:52 PM
              AMD's memory controllers are fineVincent Diepeveen2011/04/06 01:36 AM
                AMD's memory controllers are fineanon2011/04/06 06:59 AM
                  AMD's memory controllers are fineVincent Diepeveen2011/04/07 02:15 PM
                    AMD's memory controllers are fineVincent Diepeveen2011/04/07 02:27 PM
                      AMD's memory controllers are fineanon2011/04/07 02:57 PM
                    AMD's memory controllers are fineanon2011/04/07 02:54 PM
        New article: Bulldozer benchmark analysisAzazel2011/03/31 09:54 AM
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  a waste of timeMoritz2011/04/09 07:01 AM
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      a waste of timeDavid Kanter2011/04/09 06:56 PM
        a waste of timehorsefly2011/04/10 05:13 AM
          InvestorsDavid Kanter2011/04/10 06:27 AM
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