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 Bloggsian2013/03/03 07:40 AM
  Interesting ARM vs x86 paperjal1422013/03/03 01:13 PM
  Interesting ARM vs x86 paperanon2013/03/03 03:13 PM
    Interesting ARM vs x86 paperWilco2013/03/03 04:47 PM
      Interesting ARM vs x86 paperAnon2013/03/03 05:13 PM
        Interesting ARM vs x86 paperVeryMuchAnonymous2013/03/03 07:35 PM
          Interesting ARM vs x86 paperEduardoS2013/03/04 04:59 AM
            "Man" as an interjectionPaul A. Clayton2013/03/04 06:03 AM
            Interesting ARM vs x86 paperanon2013/03/04 01:01 PM
              Interesting ARM vs x86 paperEduardoS2013/03/04 02:10 PM
                Interesting ARM vs x86 paperExophase2013/03/04 03:32 PM
                  Interesting ARM vs x86 paperEduardoS2013/03/04 05:02 PM
                    Interesting ARM vs x86 paperanon2013/03/04 06:01 PM
                      Interesting ARM vs x86 paperEduardoS2013/03/04 06:39 PM
                        Interesting ARM vs x86 paperanon2013/03/04 07:07 PM
                        Interesting ARM vs x86 paperWilco2013/03/04 07:14 PM
                          Interesting ARM vs x86 paperEduardoS2013/03/04 07:42 PM
                            Interesting ARM vs x86 paperWilco2013/03/04 08:19 PM
                              Interesting ARM vs x86 paperDavid Kanter2013/03/04 09:03 PM
                                Interesting ARM vs x86 paperrwessel2013/03/04 10:19 PM
                                  Interesting ARM vs x86 paperMichael S2013/03/05 05:23 AM
                                Interesting ARM vs x86 paperBrendan2013/03/04 10:51 PM
                                  Interesting ARM vs x86 paperanon2013/03/04 11:40 PM
                              Interesting ARM vs x86 paperMegol2013/03/05 09:53 AM
                          Interesting ARM vs x86 paperDavid Kanter2013/03/04 08:59 PM
                            Interesting ARM vs x86 paperbakaneko2013/03/05 01:16 AM
                    Interesting ARM vs x86 paperExophase2013/03/04 06:14 PM
                    Interesting ARM vs x86 paperWilco2013/03/04 06:27 PM
                      Interesting ARM vs x86 paperEduardoS2013/03/04 07:01 PM
                        Interesting ARM vs x86 paperWilco2013/03/04 07:53 PM
                          Interesting ARM vs x86 paperEduardoS2013/03/04 08:12 PM
                            Interesting ARM vs x86 paperWilco2013/03/04 08:46 PM
                              Interesting ARM vs x86 paperEduardoS2013/03/05 07:46 PM
                                Interesting ARM vs x86 paperWilco2013/03/06 07:25 AM
                                  Interesting ARM vs x86 paperanon2013/03/06 02:21 PM
                Interesting ARM vs x86 paperanon2013/03/04 03:32 PM
                  Interesting ARM vs x86 paperanon2013/03/04 03:34 PM
                  Interesting ARM vs x86 paperEduardoS2013/03/04 04:48 PM
                    Interesting ARM vs x86 paperanon2013/03/04 05:47 PM
                      Interesting ARM vs x86 paperEduardoS2013/03/04 06:29 PM
                        Interesting ARM vs x86 paperanon2013/03/04 06:51 PM
                          Interesting ARM vs x86 paperEduardoS2013/03/04 07:17 PM
                            Interesting ARM vs x86 paperanon2013/03/04 07:26 PM
                  Interesting ARM vs x86 paperDavid Kanter2013/03/04 05:32 PM
                    Interesting ARM vs x86 paperanon2013/03/04 06:54 PM
          Interesting ARM vs x86 paperDavid Kanter2013/03/04 10:09 AM
            Interesting ARM vs x86 paperMark Roulo2013/03/04 11:12 AM
            Interesting ARM vs x86 papermail red2013/03/04 12:38 PM
              Interesting ARM vs x86 paperSymmetry2013/03/05 09:47 AM
                Interesting ARM vs x86 paperLinus Torvalds2013/03/05 12:24 PM
                  Interesting ARM vs x86 paperanon2013/03/05 03:11 PM
                    Weak consistency and unbalanced design?Paul A. Clayton2013/03/05 05:11 PM
                      Weak consistency and unbalanced design?anon2013/03/05 07:00 PM
                    Interesting ARM vs x86 paperEduardoS2013/03/05 06:30 PM
                    Interesting ARM vs x86 paperLinus Torvalds2013/03/05 07:06 PM
                      Interesting ARM vs x86 paperanon2013/03/05 07:53 PM
                        Interesting ARM vs x86 paperanon2013/03/05 07:55 PM
                        Interesting ARM vs x86 paperLinus Torvalds2013/03/05 08:18 PM
                          Interesting ARM vs x86 paperanon2013/03/05 09:21 PM
                            Interesting ARM vs x86 paperLinus Torvalds2013/03/06 09:32 AM
                              Interesting ARM vs x86 paperanon2013/03/06 02:07 PM
                                Interesting ARM vs x86 paperLinus Torvalds2013/03/06 03:13 PM
                                  Interesting ARM vs x86 paperanon2013/03/06 03:45 PM
                                    Interesting ARM vs x86 paperLinus Torvalds2013/03/06 03:49 PM
                                      Interesting ARM vs x86 paperanon2013/03/06 04:40 PM
                                        Interesting ARM vs x86 paperanon2013/03/06 04:53 PM
                                        Interesting ARM vs x86 paperLinus Torvalds2013/03/06 08:12 PM
                                          Interesting ARM vs x86 paperDavid Kanter2013/03/06 09:14 PM
                                            Interesting ARM vs x86 paperLinus Torvalds2013/03/07 11:32 AM
                                              Interesting ARM vs x86 paperanon2013/03/07 12:47 PM
                                                Interesting ARM vs x86 papernemlis2013/03/08 08:16 AM
                                                  Interesting ARM vs x86 paperanon2013/03/08 07:22 PM
                                              Interesting ARM vs x86 paperDoug S2013/03/07 07:32 PM
                                                Interesting ARM vs x86 paperDavid Kanter2013/03/07 08:11 PM
                                                  Interesting ARM vs x86 paperDoug S2013/03/07 10:23 PM
                                                  Interesting ARM vs x86 paperrwessel2013/03/08 01:38 AM
                                                    Interesting ARM vs x86 paperWilco2013/03/08 05:30 AM
                                                      But not dev. tool compatiblePaul A. Clayton2013/03/08 07:04 AM
                                                        But not dev. tool compatibleWilco2013/03/08 08:21 AM
                                                          But not dev. tool compatibleMichael S2013/03/08 08:35 AM
                                                          But not dev. tool compatibleLinus Torvalds2013/03/08 12:36 PM
                                                            double-checked locking another exampleMark Roulo2013/03/08 02:15 PM
                                                              double-checked locking another exampleanon2013/03/08 03:02 PM
                                                            But not dev. tool compatibleWilco2013/03/08 03:01 PM
                                                              But not dev. tool compatibleLinus Torvalds2013/03/08 03:53 PM
                                                                But not dev. tool compatibleWilco2013/03/09 06:56 AM
                                                                  But not dev. tool compatibleLinus Torvalds2013/03/09 11:28 AM
                                                              But not dev. tool compatiblerwessel2013/03/09 01:19 AM
                                                                But not dev. tool compatibleKonrad Schwarz2013/03/11 09:34 AM
                                                            Passing data between threadsKonrad Schwarz2013/03/11 09:23 AM
                                                              Passing data between threadsLinus Torvalds2013/03/12 02:42 PM
                                                                Passing data between threadsKonrad Schwarz2013/03/13 07:05 AM
                                                                  Passing data between threadsJukka Larja2013/03/16 04:04 AM
                                                                    Passing data between threadsFoo_2013/03/16 05:55 AM
                                                                      Passing data between threadsJukka Larja2013/03/17 01:22 AM
                                                                        Passing data between threadsKonrad Schwarz2013/03/18 12:59 AM
                                                                          Passing data between threadsJukka Larja2013/03/30 02:22 AM
                                                            C has propensity for the x86 memory model2013/03/14 02:09 AM
                                                              C has propensity for the x86 memory modelMichael S2013/03/14 07:01 AM
                                                              C has propensity for the x86 memory modelMark Christiansen2013/03/14 09:56 AM
                                                                C has propensity for the x86 memory modelEduardoS2013/03/14 10:42 AM
                                                                  C has propensity for the x86 memory modelMark Christiansen2013/03/14 01:49 PM
                                                                    C has propensity for the x86 memory modelSymmetry2013/03/14 02:10 PM
                                                                      C has propensity for the x86 memory model2013/03/16 01:21 AM
                                                                    C has propensity for the x86 memory modelLinus Torvalds2013/03/14 02:14 PM
                                                                      C has propensity for the x86 memory modelbakaneko2013/03/15 03:16 AM
                                                                      C has propensity for the x86 memory model2013/03/16 03:13 AM
                                                                      Test: Concurrency2013/03/17 12:01 AM
                                                                        Test: Concurrencyanonymou52013/03/17 03:04 AM
                                                                          Test: Concurrency2013/03/17 02:26 PM
                                                                    C has propensity for the x86 memory modelEduardoS2013/03/14 02:18 PM
                                                                      C has propensity for the x86 memory modelMichael S2013/03/14 03:03 PM
                                                                        C has propensity for the x86 memory modelEduardoS2013/03/14 03:37 PM
                                                                          C has propensity for the x86 memory modelMichael S2013/03/14 04:14 PM
                                                                            C has propensity for the x86 memory modelEduardoS2013/03/14 04:23 PM
                                                                          C has propensity for the x86 memory model2013/03/16 01:24 AM
                                                                          C has propensity for the x86 memory modelSymmetry2013/03/17 07:26 AM
                                                                            C has propensity for the x86 memory modelEduardoS2013/03/17 03:37 PM
                                                                To put a reasonable amount of cores to work2013/03/16 02:08 AM
                                                      Interesting ARM vs x86 paperKonrad Schwarz2013/03/08 08:31 AM
                                                        Interesting ARM vs x86 paperTREZA2013/03/08 09:04 AM
                                                      Interesting ARM vs x86 paperDavid Kanter2013/03/09 11:12 AM
                                                        Interesting ARM vs x86 paperWilco2013/03/09 01:12 PM
                                                          Interesting ARM vs x86 paperLinus Torvalds2013/03/09 02:51 PM
                                                I have *that* much hubris?Paul A. Clayton2013/03/08 07:52 AM
                                                  I have *that* much hubris?Richard Cownie2013/03/12 10:02 AM
                                                    Is 1% better *that* much?Paul A. Clayton2013/03/12 01:48 PM
                                                      Is 1% better *that* much?Richard Cownie2013/03/12 07:45 PM
                                                        Real hubris.Jouni Osmala2013/03/12 10:52 PM
                                                          Real hubris.none2013/03/13 02:39 AM
                                                          Real hubris.Richard Cownie2013/03/13 06:19 AM
                                                            AArch64 choices give cluesPaul A. Clayton2013/03/13 08:46 AM
                                                              AArch64 choices give cluesnone2013/03/13 09:19 AM
                                                                Yes, that might have been clearerPaul A. Clayton2013/03/13 10:26 AM
                                                                  Yes, that might have been clearerrwessel2013/03/13 07:38 PM
                                                                    I did mention "effectively deprecated" :-) (NT)Paul A. Clayton2013/03/13 08:59 PM
                                                              AArch64 choices give cluesRichard Cownie2013/03/13 09:22 AM
                                                                AArch64 choices give cluesExophase2013/03/13 12:26 PM
                                                                  AArch64 choices give cluesRichard Cownie2013/03/13 12:48 PM
                                                          30% seems way too highPaul A. Clayton2013/03/13 07:01 AM
                                                            30% seems way too highRichard Cownie2013/03/13 07:43 AM
                                                              30% seems way too highSymmetry2013/03/13 08:33 AM
                                                                30% seems way too highRichard Cownie2013/03/13 08:55 AM
                                                                5-15% benefit from 8->16 GPRsPaul A. Clayton2013/03/13 09:06 AM
                                                                  5-15% benefit from 8->16 GPRsExophase2013/03/13 12:36 PM
                                                                    Reason for REX-32?Paul A. Clayton2013/03/13 01:19 PM
                                                                      Reason for REX-32?Exophase2013/03/13 01:55 PM
                                                                    5-15% benefit from 8->16 GPRsanon2013/03/13 06:54 PM
                                                                      5-15% benefit from 8->16 GPRsExophase2013/03/13 09:19 PM
                                                                    pointersFoo_2013/03/15 12:30 AM
                                                                      pointersRichard Cownie2013/03/15 06:43 AM
                                                                      pointersGabriele Svelto2013/03/15 09:09 AM
                                                                        pointersEduardoS2013/03/15 10:34 AM
                                                                          pointerssome2013/03/15 01:22 PM
                                                                            pointersGabriele Svelto2013/03/15 02:46 PM
                                                                      pointersEduardoS2013/03/15 10:29 AM
                                                                      pointersAndi Kleen2013/03/16 10:58 AM
                                                                        pointersanonymou52013/03/17 03:11 AM
                                                                        pointersSymmetry2013/03/17 07:01 AM
                                                                        Examples?David Kanter2013/03/17 09:32 AM
                                                                          Judy array, maybe ...Mark Roulo2013/03/17 03:25 PM
                                                                            Judy array, maybe ...Andi Kleen2013/03/18 01:15 PM
                                                                          Examples?Rob Thorpe2013/03/18 09:18 AM
                                                                            Examples?EduardoS2013/03/18 04:33 PM
                                                                              Examples?Rob Thorpe2013/03/18 07:32 PM
                                                                            Usually one does a paged buffer gapLou C.2013/03/19 08:34 AM
                                                                          Examples?Andi Kleen2013/03/18 01:21 PM
                                                                30% seems way too highnone2013/03/13 09:11 AM
                                                                  30% seems way too highEduardoS2013/03/13 09:24 AM
                                                                    x86-64 vs ia32 code sizenone2013/03/13 09:32 AM
                                                                    x86-64 vs. x86 instruction and code size countsmpx2013/03/14 02:17 AM
                                                                30% seems way too highMichael S2013/03/15 07:09 AM
                                                            And 30% IS way too low.Jouni Osmala2013/03/14 12:05 AM
                                                        AArch64 not even c.5% better?Paul A. Clayton2013/03/13 07:32 AM
                                                          AArch64 not even c.5% better?Richard Cownie2013/03/13 07:51 AM
                                                            [O.T.] OoO was only for mainframesMichael S2013/03/13 09:19 AM
                                                              Interesting, thanks (NT)Richard Cownie2013/03/13 09:25 AM
                                                              Not quite...Kira2013/03/13 12:54 PM
                                                              [O.T.] OoO was only for mainframesrwessel2013/03/13 08:37 PM
                                                                [O.T.] OoO was only for mainframesMark Smotherman2013/03/14 04:28 PM
                                                            Architecture matters and ARM is not perfectPaul A. Clayton2013/03/13 10:01 AM
                                                              Architecture matters and ARM is not perfectRichard Cownie2013/03/13 10:41 AM
                                                                Architecture matters but *much* less than other factorsPaul A. Clayton2013/03/13 12:52 PM
                                                                  Architecture matters but *much* less than other factorsRichard Cownie2013/03/13 01:14 PM
                                                                    How much better is AArch64?Paul A. Clayton2013/03/13 05:41 PM
                                                                      How much better is AArch64?Richard Cownie2013/03/13 06:29 PM
                                                                        How much better is AArch64?EduardoS2013/03/13 06:46 PM
                                                                        but you should go ahead and tryRichard Cownie2013/03/13 06:49 PM
                                                                          Other distractions are more significantPaul A. Clayton2013/03/13 08:54 PM
                                                                        How much better is AArch64?anon2013/03/13 07:14 PM
                                                                          How much better is AArch64?Richard Cownie2013/03/14 08:34 AM
                                                                            How much better is AArch64?none2013/03/14 10:53 AM
                                                                              How much better is AArch64?Richard Cownie2013/03/14 11:31 AM
                                                                                How much better is AArch64?Max2013/03/15 11:42 PM
                                                                                  How much better is AArch64?Richard Cownie2013/03/16 06:36 PM
                                                                                    How much better is AArch64?Exophase2013/03/17 01:10 AM
                                                                                      AArch64 load/store pairPaul A. Clayton2013/03/17 01:37 PM
                                                                                    I thought AArch64 would have used VLEPaul A. Clayton2013/03/17 01:05 PM
                                                                            How much better is AArch64?David Kanter2013/03/17 10:03 AM
                                                                              How much better is AArch64?Richard Cownie2013/03/17 11:56 AM
                                                                                How much better is AArch64?Exophase2013/03/17 01:08 PM
                                                              Beware the lure of the clean sheetMax2013/03/13 07:18 PM
                                                                Danger lurking everywherePaul A. Clayton2013/03/13 08:32 PM
                                                                The word(s) you want may be "Exaggerated expectations"Mark Roulo2013/03/14 09:21 AM
                                                Interesting ARM vs x86 paperJukka Larja2013/03/08 09:01 AM
                          Interesting ARM vs x86 paperGreg Pfister2013/03/06 03:37 PM
                          Global-isms go against memory reordering2013/03/07 11:59 AM
                            Global-isms go against memory reorderingLinus Torvalds2013/03/07 01:45 PM
                              Global-isms go against memory reorderingLinus Torvalds2013/03/07 02:05 PM
                                Global-isms go against memory reordering2013/03/08 02:11 AM
                                  Global-isms go against memory reorderingbakaneko2013/03/08 03:42 AM
                                    Global-isms go against memory reorderingSymmetry2013/03/08 07:20 AM
                                      Global-isms go against memory reorderingbakaneko2013/03/08 08:46 AM
                                      Global-isms go against memory reordering2013/03/09 02:08 AM
                                    Global-isms go against memory reordering2013/03/09 01:59 AM
                                      turing completenessbakaneko2013/03/09 11:44 AM
                                        turing completenessbakaneko2013/03/09 12:02 PM
                              Global-isms go against memory reorderingIan Ameline2013/03/07 02:40 PM
                              Global-isms go against memory reorderinganon2013/03/07 03:04 PM
                                Well, HLE has a *hardware* fallback (NT)Paul A. Clayton2013/03/07 05:33 PM
                                  Well, HLE has a *hardware* fallbackanon2013/03/07 05:41 PM
                              Global-isms go against memory reorderingKonrad Schwarz2013/03/08 01:15 AM
                                Global-isms go against memory reordering2013/03/08 02:56 AM
                              Global-isms go against memory reordering2013/03/08 02:10 AM
                                Global-isms go against memory reorderingnksingh2013/03/10 08:54 AM
                                  Weren't Transmeta implementations single core/thread? (NT)Paul A. Clayton2013/03/10 12:33 PM
                                    Weren't Transmeta implementations single core/thread?Linus Torvalds2013/03/11 08:32 AM
        Interesting ARM vs x86 paperExophase2013/03/03 11:19 PM
      Interesting ARM vs x86 paperGabriele Svelto2013/03/04 02:50 AM
  Why is x86 twice as fast as ARM at the same clocks?Brett2013/03/17 05:14 PM
    Some speculationMark Roulo2013/03/17 05:39 PM
      Also, cache designMark Roulo2013/03/17 05:48 PM
        Also, cache designExophase2013/03/17 11:39 PM
      Some speculationGabriele Svelto2013/03/18 04:35 AM
        Some speculationWilco2013/03/18 06:30 AM
          Some speculationGabriele Svelto2013/03/18 07:19 AM
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