So, what do people think of these numbers>

By: Linus Torvalds (torvalds.delete@this.linux-foundation.org), April 20, 2012 1:24 pm
Room: Moderated Discussions
bakaneko (nyan@hyan.wan) on 4/20/12 wrote:
>
>Or the much simpler explanation that the FPU doubled in the
>amount of registers and better opcodes which made it
>faster...

Yeah, looking some more at the particular benchmarks, it
looks like the ones that improved in a big way are all
things that might just be AVX or FMA or something.

So maybe it's not so much a fragile uarch, more of just
specialized benchmarks (and a sign that gcc-4.7 does a
reasonable job of vectorization, perhaps)

Linus
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Phoronix tests GCC compiler flags and Bulldozer.I.S.T.04/19/12 03:05 AM
  Single page view?David Kanter04/19/12 08:59 AM
    Single page view?wainwright04/19/12 09:22 AM
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      Single page view?David Kanter04/19/12 09:31 AM
        Single page view?EduardoS04/19/12 03:12 PM
    Is there a single page view option for RWT articles?anon04/19/12 09:27 AM
    Single page view?Del04/19/12 09:36 AM
      Single page view?slacker04/19/12 03:56 PM
        Single page view?Del04/22/12 06:09 AM
          Single page view?David Kanter04/22/12 09:38 AM
            Single page view?Del04/23/12 01:22 AM
    Single page view?Michael S04/19/12 01:30 PM
      Single page view?Ungo04/19/12 02:25 PM
        Single page view?Foo_04/20/12 12:17 AM
          Single page view?James04/20/12 04:01 AM
            There are ads on the web?JJB04/20/12 04:32 AM
              What a bunch of freeloaders (NT)slacker04/20/12 01:44 PM
                So are you, probablyiz04/21/12 04:41 AM
                  Impression ad revenuePaul A. Clayton04/21/12 06:44 AM
                  So are you, probablyslacker04/21/12 01:09 PM
                    So are you, probablyDavid Kanter04/22/12 09:41 AM
                      So are you, probablyiz04/22/12 03:57 PM
                    So are you, probablyDoug Siebert04/22/12 12:37 PM
                      Aha!David Kanter04/22/12 03:45 PM
                        Aha!bakaneko04/22/12 08:49 PM
                    So are you, probablyiz04/22/12 03:48 PM
                      That's not how the business works...David Kanter04/22/12 05:31 PM
                        That's not how the business works...iz04/23/12 01:49 AM
                      So are you, probablyslacker04/22/12 11:31 PM
                        back to phoronixMichael S04/23/12 02:07 AM
                        So are you, probablyiz04/23/12 03:29 AM
                          Membership at RWTDavid Kanter04/23/12 11:24 AM
                          So are you, probablyJukka Larja04/27/12 08:59 AM
  So, what do people think of these numbers>I.S.T.04/19/12 07:34 PM
    So, what do people think of these numbers>Linus Torvalds04/20/12 08:34 AM
      So, what do people think of these numbers>Kira04/20/12 09:18 AM
        So, what do people think of these numbers>Linus Torvalds04/20/12 10:05 AM
      So, what do people think of these numbers>Doug Siebert04/20/12 09:00 PM
      So, what do people think of these numbers>Megol04/21/12 09:05 AM
        So, what do people think of these numbers>Linus Torvalds04/21/12 01:11 PM
          Most problems are fixed...Megol04/24/12 07:00 AM
    So, what do people think of these numbers>bakaneko04/20/12 11:16 AM
      So, what do people think of these numbers>bakaneko04/20/12 11:37 AM
        So, what do people think of these numbers>Linus Torvalds04/20/12 01:24 PM
          So, what do people think of these numbers>Joel04/20/12 02:59 PM
            So, what do people think of these numbers>Kira04/20/12 03:32 PM
              So, what do people think of these numbers>EduardoS04/20/12 04:00 PM
                Bulldozer's Oddities.Joel04/20/12 04:54 PM
                  In defense of Bulldozer's OdditiesDavid Kanter04/20/12 05:32 PM
                    In defense of Bulldozer's OdditiesExophase04/20/12 07:11 PM
                      In defense of Bulldozer's OdditiesEduardoS04/20/12 07:46 PM
                        In defense of Bulldozer's OdditiesExophase04/20/12 08:18 PM
                          In defense of Bulldozer's Odditiesanonymous04/20/12 11:26 PM
                            In defense of Bulldozer's OdditiesJJB04/20/12 11:34 PM
                              In defense of Bulldozer's Odditiesimaxx04/21/12 07:21 AM
                                In defense of Bulldozer's OdditiesMichael S04/21/12 10:42 AM
                                  Bulldozer's integer execution unitsDavid Kanter04/25/12 04:29 PM
                                    Bulldozer's integer execution unitsExophase04/26/12 12:17 PM
                                      Bulldozer's integer execution unitsanonymous04/26/12 03:15 PM
                                        Bulldozer's integer execution unitsEduardoS04/26/12 03:40 PM
                                          Bulldozer's integer execution unitsFoo_04/27/12 08:21 AM
                                            Bulldozer's integer execution unitsMegol04/27/12 01:38 PM
                                      Bulldozer's integer execution unitsEduardoS04/26/12 03:47 PM
                                        Bulldozer's integer execution unitsExophase04/26/12 05:02 PM
                                          Bulldozer's integer execution unitsEduardoS04/26/12 06:03 PM
                                            Bulldozer's integer execution unitsExophase04/26/12 06:24 PM
                                              Bulldozer's integer execution unitsEduardoS04/26/12 07:18 PM
                                                Bulldozer's cache memory performanceHeikki Kultala04/28/12 01:18 AM
                                                  Bulldozer's cache memory performanceEduardoS04/28/12 10:06 AM
                                      Bulldozer's integer execution unitsDavid Kanter04/26/12 04:03 PM
                                        Bulldozer's integer execution unitsExophase04/26/12 04:59 PM
                                          Bulldozer's integer execution unitsDavid Kanter04/26/12 10:53 PM
                                            Bulldozer's integer execution unitsExophase04/27/12 08:42 AM
                                              Bulldozer's integer execution unitsDavid Kanter04/27/12 11:06 AM
                                                Bulldozer's integer execution unitsEduardoS04/27/12 01:27 PM
                                                K8 divided pipelines?Paul A. Clayton04/27/12 01:59 PM
                                          Bulldozer's integer execution unitsMichael S04/27/12 04:37 AM
                                            Bulldozer's integer execution unitsExophase04/27/12 08:33 AM
                                            Bulldozer's integer execution unitsanonymous04/27/12 09:03 AM
                                    Renaming FlagsKonrad Schwarz04/27/12 03:04 AM
                                      Renaming Flagsnone04/27/12 04:03 AM
                                        Renaming FlagsMegol04/27/12 12:42 PM
                                    Bulldozer's integer execution unitshcl6404/27/12 04:31 PM
                                      VEX supports 3+ operands. FPU have renaming already(NT)Megol04/28/12 08:20 AM
                              In defense of Bulldozer's OdditiesLinus Torvalds04/21/12 12:26 PM
                                Thanks for the lessonJJB04/21/12 02:23 PM
                                  Side note..Linus Torvalds04/21/12 02:57 PM
                            In defense of Bulldozer's OdditiesExophase04/21/12 12:13 PM
                            In defense of Bulldozer's OdditiesEduardoS04/21/12 12:53 PM
                    In defense of Bulldozer's OdditiesGionatan Danti04/21/12 12:42 PM
                    In defense of Bulldozer's Odditieshcl6404/27/12 05:07 PM
                      In defense of Bulldozer's OdditiesDavid Kanter04/28/12 06:29 AM
                        In defense of Bulldozer's Odditieshcl6404/28/12 02:44 PM
                          In defense of Bulldozer's OdditiesDavid Kanter04/28/12 09:42 PM
                            In defense of Bulldozer's Odditieshcl6404/28/12 10:39 PM
                  Bulldozer's Oddities.EduardoS04/20/12 06:05 PM
                    Bulldozer's Oddities.anon04/20/12 08:32 PM
                      Bulldozer's Oddities.EduardoS04/21/12 12:37 PM
                        Bulldozer's Oddities.anon04/21/12 10:16 PM
                          Bulldozer's Oddities.EduardoS04/21/12 10:43 PM
                            Bulldozer's Oddities.anon04/22/12 02:09 AM
                              Bulldozer's Oddities.EduardoS04/22/12 01:57 PM
                                Bulldozer's Oddities.anon04/22/12 04:17 PM
                                  Bulldozer's Oddities.EduardoS04/22/12 05:05 PM
                                    Bulldozer's Oddities.anon04/22/12 05:42 PM
                                      Bulldozer's Oddities.anon04/22/12 06:01 PM
                                      Bulldozer's Oddities.EduardoS04/22/12 10:28 PM
                                        Bulldozer's Oddities.anon04/22/12 11:05 PM
                  Bulldozer's isn't bad.a reader04/21/12 10:01 AM
                    Bulldozer's isn't bad.Kira04/21/12 11:29 AM
                      Bulldozer's isn't bad.hcl6404/27/12 05:58 PM
                        Bulldozer's isn't bad.anon04/27/12 06:16 PM
                          Bulldozer's isn't bad.hcl6404/27/12 07:33 PM
                            Bulldozer's isn't bad.rwessel04/27/12 11:12 PM
                        Bulldozer's isn't bad.EduardoS04/28/12 09:29 AM
                          Bulldozer's isn't bad.EduardoS04/28/12 09:30 AM
                          Bulldozer's isn't bad.Michael S04/28/12 12:36 PM
                    Bulldozer is made for SPEC fpPelle-4804/21/12 11:41 AM
                  Bulldozer's Oddities.mpx04/22/12 03:47 AM
                    Bulldozer's Oddities.EduardoS04/22/12 01:57 PM
                      Bulldozer's Oddities.mpx04/23/12 07:04 AM
                        Bulldozer's Oddities.Eric04/23/12 12:33 PM
                          Bulldozer's Oddities.EduardoS04/23/12 02:22 PM
                            Bulldozer's Oddities.Eric04/23/12 07:30 PM
                              Bulldozer's Oddities.hcl6404/27/12 06:16 PM
                            Bulldozer's Oddities.Y04/25/12 04:34 AM
                              Bulldozer's IDIVHeikki Kultala04/27/12 10:56 PM
                                Bulldozer's IDIVY04/30/12 01:51 AM
                                  Bulldozer's IDIVEduardoS04/30/12 05:39 AM
                                    Bulldozer's IDIVP3Dnow05/08/12 01:23 AM
                                      Bulldozer's IDIVExophase05/08/12 07:37 AM
                        Bulldozer's Oddities.EduardoS04/23/12 02:15 PM
              Clustered MT as SMT for high frequencyPaul A. Clayton04/20/12 04:10 PM
                Clustered MT as SMT for high frequencyhcl6404/28/12 12:56 AM
                  Clustered MT as SMT for high frequencyanonymous04/28/12 01:43 AM
                    Clustered MT as SMT for high frequencyhcl6404/28/12 02:59 PM
                      Clustered MT as SMT for high frequencyanonymous04/28/12 08:45 PM
                  Clustered MT as SMT for high frequencyanon04/28/12 02:13 AM
                    Clustered MT as SMT for high frequencyhcl6404/28/12 03:23 PM
                      Clustered MT as SMT for high frequencyanon04/28/12 06:19 PM
                        Clustered MT as SMT for high frequencyhcl6404/28/12 07:58 PM
                  Clustered MT as SMT for high frequencyDavid Kanter04/28/12 06:38 AM
                    Guessed meaning of "strong dependency model"Paul A. Clayton04/28/12 07:24 AM
                      Guessed meaning of "strong dependency model"EduardoS04/28/12 09:46 AM
                        *Right meaning* about "strong dependency model"hcl6404/28/12 04:59 PM
                    Clustered MT as SMT for high frequencyhcl6404/28/12 04:24 PM
                      Clustered MT as SMT for high frequencyanonymous04/28/12 08:50 PM
                        Clustered MT as SMT for high frequencyhcl6404/28/12 09:47 PM
                          SNB widthDavid Kanter04/28/12 09:48 PM
                            SNB widthhcl6404/29/12 02:24 AM
                      Clustered MT as SMT for high frequencyDavid Kanter04/28/12 09:56 PM
                        Clustered MT as SMT for high frequencyhcl6404/28/12 11:44 PM
                          SOI, FD vs. PDDavid Kanter04/29/12 07:19 AM
                            SOI, FD vs. PDhcl6404/29/12 05:31 PM
                              SOI, FD vs. PDDavid Kanter04/29/12 11:26 PM
                                SOI, FD vs. PDhcl6404/30/12 08:08 AM
                                  SOI, FD vs. PDDavid Kanter04/30/12 09:59 AM
                                    SOI, FD vs. PDhcl6404/30/12 06:10 PM
                                      SOI, FD vs. PDDavid Kanter04/30/12 06:32 PM
                                        SOI, FD vs. PDhcl6404/30/12 10:47 PM
                                          SOI, FD vs. PDDavid Kanter05/01/12 02:24 AM
                                            SOI, FD vs. PDhcl6405/01/12 05:46 AM
                                            SOI, FD vs. PDhcl6405/01/12 06:37 AM
                                              SOI, FD vs. PDDavid Kanter05/01/12 08:19 AM
                                          SOI, FD vs. PDhcl6405/01/12 07:39 AM
                                            PD-SOIDavid Kanter05/02/12 12:22 PM
                                    SOI, FD vs. PDslacker04/30/12 08:10 PM
                                      SOI, FD vs. PDDavid Kanter04/30/12 10:16 PM
                                        SOI, FD vs. PDslacker05/01/12 10:04 PM
                                          SOI, FD vs. PDDavid Kanter05/02/12 08:19 AM
                                            SOI, FD vs. PDzou05/02/12 12:23 PM
                  Previous discussion of clustered MTPaul A. Clayton04/28/12 07:00 AM
                    Previous discussion of clustered MThcl6404/28/12 09:38 PM
                      Previous discussion of clustered MTDavid Kanter04/30/12 04:37 PM
                        Previous discussion of clustered MThcl6404/30/12 07:24 PM
                          Previous discussion of clustered MTDavid Kanter04/30/12 07:40 PM
                            Previous discussion of clustered MThcl6405/01/12 09:15 AM
                              Latency issuesDavid Kanter05/02/12 12:01 PM
              So, what do people think of these numbers>Megol04/21/12 01:57 AM
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