Interesting ARM vs x86 paper

By: Joe Bloggsian (joebloggsian.delete@this.gmail.com), March 3, 2013 7:40 am
Room: Moderated Discussions
http://research.cs.wisc.edu/vertical/papers/2013/hpca13-isa-power-struggles.pdf
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Interesting ARM vs x86 paperJoe Bloggsian03/03/13 07:40 AM
  Interesting ARM vs x86 paperjal14203/03/13 01:13 PM
  Interesting ARM vs x86 paperanon03/03/13 03:13 PM
    Interesting ARM vs x86 paperWilco03/03/13 04:47 PM
      Interesting ARM vs x86 paperAnon03/03/13 05:13 PM
        Interesting ARM vs x86 paperVeryMuchAnonymous03/03/13 07:35 PM
          Interesting ARM vs x86 paperEduardoS03/04/13 04:59 AM
            "Man" as an interjectionPaul A. Clayton03/04/13 06:03 AM
            Interesting ARM vs x86 paperanon03/04/13 01:01 PM
              Interesting ARM vs x86 paperEduardoS03/04/13 02:10 PM
                Interesting ARM vs x86 paperExophase03/04/13 03:32 PM
                  Interesting ARM vs x86 paperEduardoS03/04/13 05:02 PM
                    Interesting ARM vs x86 paperanon03/04/13 06:01 PM
                      Interesting ARM vs x86 paperEduardoS03/04/13 06:39 PM
                        Interesting ARM vs x86 paperanon03/04/13 07:07 PM
                        Interesting ARM vs x86 paperWilco03/04/13 07:14 PM
                          Interesting ARM vs x86 paperEduardoS03/04/13 07:42 PM
                            Interesting ARM vs x86 paperWilco03/04/13 08:19 PM
                              Interesting ARM vs x86 paperDavid Kanter03/04/13 09:03 PM
                                Interesting ARM vs x86 paperrwessel03/04/13 10:19 PM
                                  Interesting ARM vs x86 paperMichael S03/05/13 05:23 AM
                                Interesting ARM vs x86 paperBrendan03/04/13 10:51 PM
                                  Interesting ARM vs x86 paperanon03/04/13 11:40 PM
                              Interesting ARM vs x86 paperMegol03/05/13 09:53 AM
                          Interesting ARM vs x86 paperDavid Kanter03/04/13 08:59 PM
                            Interesting ARM vs x86 paperbakaneko03/05/13 01:16 AM
                    Interesting ARM vs x86 paperExophase03/04/13 06:14 PM
                    Interesting ARM vs x86 paperWilco03/04/13 06:27 PM
                      Interesting ARM vs x86 paperEduardoS03/04/13 07:01 PM
                        Interesting ARM vs x86 paperWilco03/04/13 07:53 PM
                          Interesting ARM vs x86 paperEduardoS03/04/13 08:12 PM
                            Interesting ARM vs x86 paperWilco03/04/13 08:46 PM
                              Interesting ARM vs x86 paperEduardoS03/05/13 07:46 PM
                                Interesting ARM vs x86 paperWilco03/06/13 07:25 AM
                                  Interesting ARM vs x86 paperanon03/06/13 02:21 PM
                Interesting ARM vs x86 paperanon03/04/13 03:32 PM
                  Interesting ARM vs x86 paperanon03/04/13 03:34 PM
                  Interesting ARM vs x86 paperEduardoS03/04/13 04:48 PM
                    Interesting ARM vs x86 paperanon03/04/13 05:47 PM
                      Interesting ARM vs x86 paperEduardoS03/04/13 06:29 PM
                        Interesting ARM vs x86 paperanon03/04/13 06:51 PM
                          Interesting ARM vs x86 paperEduardoS03/04/13 07:17 PM
                            Interesting ARM vs x86 paperanon03/04/13 07:26 PM
                  Interesting ARM vs x86 paperDavid Kanter03/04/13 05:32 PM
                    Interesting ARM vs x86 paperanon03/04/13 06:54 PM
          Interesting ARM vs x86 paperDavid Kanter03/04/13 10:09 AM
            Interesting ARM vs x86 paperMark Roulo03/04/13 11:12 AM
            Interesting ARM vs x86 papermail red03/04/13 12:38 PM
              Interesting ARM vs x86 paperSymmetry03/05/13 09:47 AM
                Interesting ARM vs x86 paperLinus Torvalds03/05/13 12:24 PM
                  Interesting ARM vs x86 paperanon03/05/13 03:11 PM
                    Weak consistency and unbalanced design?Paul A. Clayton03/05/13 05:11 PM
                      Weak consistency and unbalanced design?anon03/05/13 07:00 PM
                    Interesting ARM vs x86 paperEduardoS03/05/13 06:30 PM
                    Interesting ARM vs x86 paperLinus Torvalds03/05/13 07:06 PM
                      Interesting ARM vs x86 paperanon03/05/13 07:53 PM
                        Interesting ARM vs x86 paperanon03/05/13 07:55 PM
                        Interesting ARM vs x86 paperLinus Torvalds03/05/13 08:18 PM
                          Interesting ARM vs x86 paperanon03/05/13 09:21 PM
                            Interesting ARM vs x86 paperLinus Torvalds03/06/13 09:32 AM
                              Interesting ARM vs x86 paperanon03/06/13 02:07 PM
                                Interesting ARM vs x86 paperLinus Torvalds03/06/13 03:13 PM
                                  Interesting ARM vs x86 paperanon03/06/13 03:45 PM
                                    Interesting ARM vs x86 paperLinus Torvalds03/06/13 03:49 PM
                                      Interesting ARM vs x86 paperanon03/06/13 04:40 PM
                                        Interesting ARM vs x86 paperanon03/06/13 04:53 PM
                                        Interesting ARM vs x86 paperLinus Torvalds03/06/13 08:12 PM
                                          Interesting ARM vs x86 paperDavid Kanter03/06/13 09:14 PM
                                            Interesting ARM vs x86 paperLinus Torvalds03/07/13 11:32 AM
                                              Interesting ARM vs x86 paperanon03/07/13 12:47 PM
                                                Interesting ARM vs x86 papernemlis03/08/13 08:16 AM
                                                  Interesting ARM vs x86 paperanon03/08/13 07:22 PM
                                              Interesting ARM vs x86 paperDoug S03/07/13 07:32 PM
                                                Interesting ARM vs x86 paperDavid Kanter03/07/13 08:11 PM
                                                  Interesting ARM vs x86 paperDoug S03/07/13 10:23 PM
                                                  Interesting ARM vs x86 paperrwessel03/08/13 01:38 AM
                                                    Interesting ARM vs x86 paperWilco03/08/13 05:30 AM
                                                      But not dev. tool compatiblePaul A. Clayton03/08/13 07:04 AM
                                                        But not dev. tool compatibleWilco03/08/13 08:21 AM
                                                          But not dev. tool compatibleMichael S03/08/13 08:35 AM
                                                          But not dev. tool compatibleLinus Torvalds03/08/13 12:36 PM
                                                            double-checked locking another exampleMark Roulo03/08/13 02:15 PM
                                                              double-checked locking another exampleanon03/08/13 03:02 PM
                                                            But not dev. tool compatibleWilco03/08/13 03:01 PM
                                                              But not dev. tool compatibleLinus Torvalds03/08/13 03:53 PM
                                                                But not dev. tool compatibleWilco03/09/13 06:56 AM
                                                                  But not dev. tool compatibleLinus Torvalds03/09/13 11:28 AM
                                                              But not dev. tool compatiblerwessel03/09/13 01:19 AM
                                                                But not dev. tool compatibleKonrad Schwarz03/11/13 09:34 AM
                                                            Passing data between threadsKonrad Schwarz03/11/13 09:23 AM
                                                              Passing data between threadsLinus Torvalds03/12/13 02:42 PM
                                                                Passing data between threadsKonrad Schwarz03/13/13 07:05 AM
                                                                  Passing data between threadsJukka Larja03/16/13 04:04 AM
                                                                    Passing data between threadsFoo_03/16/13 05:55 AM
                                                                      Passing data between threadsJukka Larja03/17/13 01:22 AM
                                                                        Passing data between threadsKonrad Schwarz03/18/13 12:59 AM
                                                                          Passing data between threadsJukka Larja03/30/13 02:22 AM
                                                            C has propensity for the x86 memory model03/14/13 02:09 AM
                                                              C has propensity for the x86 memory modelMichael S03/14/13 07:01 AM
                                                              C has propensity for the x86 memory modelMark Christiansen03/14/13 09:56 AM
                                                                C has propensity for the x86 memory modelEduardoS03/14/13 10:42 AM
                                                                  C has propensity for the x86 memory modelMark Christiansen03/14/13 01:49 PM
                                                                    C has propensity for the x86 memory modelSymmetry03/14/13 02:10 PM
                                                                      C has propensity for the x86 memory model03/16/13 01:21 AM
                                                                    C has propensity for the x86 memory modelLinus Torvalds03/14/13 02:14 PM
                                                                      C has propensity for the x86 memory modelbakaneko03/15/13 03:16 AM
                                                                      C has propensity for the x86 memory model03/16/13 03:13 AM
                                                                      Test: Concurrency03/17/13 12:01 AM
                                                                        Test: Concurrencyanonymou503/17/13 03:04 AM
                                                                          Test: Concurrency03/17/13 02:26 PM
                                                                    C has propensity for the x86 memory modelEduardoS03/14/13 02:18 PM
                                                                      C has propensity for the x86 memory modelMichael S03/14/13 03:03 PM
                                                                        C has propensity for the x86 memory modelEduardoS03/14/13 03:37 PM
                                                                          C has propensity for the x86 memory modelMichael S03/14/13 04:14 PM
                                                                            C has propensity for the x86 memory modelEduardoS03/14/13 04:23 PM
                                                                          C has propensity for the x86 memory model03/16/13 01:24 AM
                                                                          C has propensity for the x86 memory modelSymmetry03/17/13 07:26 AM
                                                                            C has propensity for the x86 memory modelEduardoS03/17/13 03:37 PM
                                                                To put a reasonable amount of cores to work03/16/13 02:08 AM
                                                      Interesting ARM vs x86 paperKonrad Schwarz03/08/13 08:31 AM
                                                        Interesting ARM vs x86 paperTREZA03/08/13 09:04 AM
                                                      Interesting ARM vs x86 paperDavid Kanter03/09/13 11:12 AM
                                                        Interesting ARM vs x86 paperWilco03/09/13 01:12 PM
                                                          Interesting ARM vs x86 paperLinus Torvalds03/09/13 02:51 PM
                                                I have *that* much hubris?Paul A. Clayton03/08/13 07:52 AM
                                                  I have *that* much hubris?Richard Cownie03/12/13 10:02 AM
                                                    Is 1% better *that* much?Paul A. Clayton03/12/13 01:48 PM
                                                      Is 1% better *that* much?Richard Cownie03/12/13 07:45 PM
                                                        Real hubris.Jouni Osmala03/12/13 10:52 PM
                                                          Real hubris.none03/13/13 02:39 AM
                                                          Real hubris.Richard Cownie03/13/13 06:19 AM
                                                            AArch64 choices give cluesPaul A. Clayton03/13/13 08:46 AM
                                                              AArch64 choices give cluesnone03/13/13 09:19 AM
                                                                Yes, that might have been clearerPaul A. Clayton03/13/13 10:26 AM
                                                                  Yes, that might have been clearerrwessel03/13/13 07:38 PM
                                                                    I did mention "effectively deprecated" :-) (NT)Paul A. Clayton03/13/13 08:59 PM
                                                              AArch64 choices give cluesRichard Cownie03/13/13 09:22 AM
                                                                AArch64 choices give cluesExophase03/13/13 12:26 PM
                                                                  AArch64 choices give cluesRichard Cownie03/13/13 12:48 PM
                                                          30% seems way too highPaul A. Clayton03/13/13 07:01 AM
                                                            30% seems way too highRichard Cownie03/13/13 07:43 AM
                                                              30% seems way too highSymmetry03/13/13 08:33 AM
                                                                30% seems way too highRichard Cownie03/13/13 08:55 AM
                                                                5-15% benefit from 8->16 GPRsPaul A. Clayton03/13/13 09:06 AM
                                                                  5-15% benefit from 8->16 GPRsExophase03/13/13 12:36 PM
                                                                    Reason for REX-32?Paul A. Clayton03/13/13 01:19 PM
                                                                      Reason for REX-32?Exophase03/13/13 01:55 PM
                                                                    5-15% benefit from 8->16 GPRsanon03/13/13 06:54 PM
                                                                      5-15% benefit from 8->16 GPRsExophase03/13/13 09:19 PM
                                                                    pointersFoo_03/15/13 12:30 AM
                                                                      pointersRichard Cownie03/15/13 06:43 AM
                                                                      pointersGabriele Svelto03/15/13 09:09 AM
                                                                        pointersEduardoS03/15/13 10:34 AM
                                                                          pointerssome03/15/13 01:22 PM
                                                                            pointersGabriele Svelto03/15/13 02:46 PM
                                                                      pointersEduardoS03/15/13 10:29 AM
                                                                      pointersAndi Kleen03/16/13 10:58 AM
                                                                        pointersanonymou503/17/13 03:11 AM
                                                                        pointersSymmetry03/17/13 07:01 AM
                                                                        Examples?David Kanter03/17/13 09:32 AM
                                                                          Judy array, maybe ...Mark Roulo03/17/13 03:25 PM
                                                                            Judy array, maybe ...Andi Kleen03/18/13 01:15 PM
                                                                          Examples?Rob Thorpe03/18/13 09:18 AM
                                                                            Examples?EduardoS03/18/13 04:33 PM
                                                                              Examples?Rob Thorpe03/18/13 07:32 PM
                                                                            Usually one does a paged buffer gapLou C.03/19/13 08:34 AM
                                                                          Examples?Andi Kleen03/18/13 01:21 PM
                                                                30% seems way too highnone03/13/13 09:11 AM
                                                                  30% seems way too highEduardoS03/13/13 09:24 AM
                                                                    x86-64 vs ia32 code sizenone03/13/13 09:32 AM
                                                                    x86-64 vs. x86 instruction and code size countsmpx03/14/13 02:17 AM
                                                                30% seems way too highMichael S03/15/13 07:09 AM
                                                            And 30% IS way too low.Jouni Osmala03/14/13 12:05 AM
                                                        AArch64 not even c.5% better?Paul A. Clayton03/13/13 07:32 AM
                                                          AArch64 not even c.5% better?Richard Cownie03/13/13 07:51 AM
                                                            [O.T.] OoO was only for mainframesMichael S03/13/13 09:19 AM
                                                              Interesting, thanks (NT)Richard Cownie03/13/13 09:25 AM
                                                              Not quite...Kira03/13/13 12:54 PM
                                                              [O.T.] OoO was only for mainframesrwessel03/13/13 08:37 PM
                                                                [O.T.] OoO was only for mainframesMark Smotherman03/14/13 04:28 PM
                                                            Architecture matters and ARM is not perfectPaul A. Clayton03/13/13 10:01 AM
                                                              Architecture matters and ARM is not perfectRichard Cownie03/13/13 10:41 AM
                                                                Architecture matters but *much* less than other factorsPaul A. Clayton03/13/13 12:52 PM
                                                                  Architecture matters but *much* less than other factorsRichard Cownie03/13/13 01:14 PM
                                                                    How much better is AArch64?Paul A. Clayton03/13/13 05:41 PM
                                                                      How much better is AArch64?Richard Cownie03/13/13 06:29 PM
                                                                        How much better is AArch64?EduardoS03/13/13 06:46 PM
                                                                        but you should go ahead and tryRichard Cownie03/13/13 06:49 PM
                                                                          Other distractions are more significantPaul A. Clayton03/13/13 08:54 PM
                                                                        How much better is AArch64?anon03/13/13 07:14 PM
                                                                          How much better is AArch64?Richard Cownie03/14/13 08:34 AM
                                                                            How much better is AArch64?none03/14/13 10:53 AM
                                                                              How much better is AArch64?Richard Cownie03/14/13 11:31 AM
                                                                                How much better is AArch64?Max03/15/13 11:42 PM
                                                                                  How much better is AArch64?Richard Cownie03/16/13 06:36 PM
                                                                                    How much better is AArch64?Exophase03/17/13 01:10 AM
                                                                                      AArch64 load/store pairPaul A. Clayton03/17/13 01:37 PM
                                                                                    I thought AArch64 would have used VLEPaul A. Clayton03/17/13 01:05 PM
                                                                            How much better is AArch64?David Kanter03/17/13 10:03 AM
                                                                              How much better is AArch64?Richard Cownie03/17/13 11:56 AM
                                                                                How much better is AArch64?Exophase03/17/13 01:08 PM
                                                              Beware the lure of the clean sheetMax03/13/13 07:18 PM
                                                                Danger lurking everywherePaul A. Clayton03/13/13 08:32 PM
                                                                The word(s) you want may be "Exaggerated expectations"Mark Roulo03/14/13 09:21 AM
                                                Interesting ARM vs x86 paperJukka Larja03/08/13 09:01 AM
                          Interesting ARM vs x86 paperGreg Pfister03/06/13 03:37 PM
                          Global-isms go against memory reordering03/07/13 11:59 AM
                            Global-isms go against memory reorderingLinus Torvalds03/07/13 01:45 PM
                              Global-isms go against memory reorderingLinus Torvalds03/07/13 02:05 PM
                                Global-isms go against memory reordering03/08/13 02:11 AM
                                  Global-isms go against memory reorderingbakaneko03/08/13 03:42 AM
                                    Global-isms go against memory reorderingSymmetry03/08/13 07:20 AM
                                      Global-isms go against memory reorderingbakaneko03/08/13 08:46 AM
                                      Global-isms go against memory reordering03/09/13 02:08 AM
                                    Global-isms go against memory reordering03/09/13 01:59 AM
                                      turing completenessbakaneko03/09/13 11:44 AM
                                        turing completenessbakaneko03/09/13 12:02 PM
                              Global-isms go against memory reorderingIan Ameline03/07/13 02:40 PM
                              Global-isms go against memory reorderinganon03/07/13 03:04 PM
                                Well, HLE has a *hardware* fallback (NT)Paul A. Clayton03/07/13 05:33 PM
                                  Well, HLE has a *hardware* fallbackanon03/07/13 05:41 PM
                              Global-isms go against memory reorderingKonrad Schwarz03/08/13 01:15 AM
                                Global-isms go against memory reordering03/08/13 02:56 AM
                              Global-isms go against memory reordering03/08/13 02:10 AM
                                Global-isms go against memory reorderingnksingh03/10/13 08:54 AM
                                  Weren't Transmeta implementations single core/thread? (NT)Paul A. Clayton03/10/13 12:33 PM
                                    Weren't Transmeta implementations single core/thread?Linus Torvalds03/11/13 08:32 AM
        Interesting ARM vs x86 paperExophase03/03/13 11:19 PM
      Interesting ARM vs x86 paperGabriele Svelto03/04/13 02:50 AM
  Why is x86 twice as fast as ARM at the same clocks?Brett03/17/13 05:14 PM
    Some speculationMark Roulo03/17/13 05:39 PM
      Also, cache designMark Roulo03/17/13 05:48 PM
        Also, cache designExophase03/17/13 11:39 PM
      Some speculationGabriele Svelto03/18/13 04:35 AM
        Some speculationWilco03/18/13 06:30 AM
          Some speculationGabriele Svelto03/18/13 07:19 AM
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