x86 penalty depends on performance and microarchitecture

Article: Microservers must Specialize to Survive
By: rwessel (robertwessel.delete@this.yahoo.com), February 4, 2013 12:28 am
Room: Moderated Discussions
anon (anon.delete@this.anon.com) on February 3, 2013 9:52 pm wrote:
> Patrick Chase (patrickjchase.delete@this.gmail.com) on February 3, 2013 8:05 pm wrote:
> > anon (anon.delete@this.anon.com) on February 3, 2013 6:08 pm
> > wrote:> From your initial post I replied to, you wrote:
> > >
> > > > I think that the statement that x86 takes 5-15% more area than RISC is a bit simplistic,
> > > > because the penalty is highly variable depending on what performance level you're
> > > > targeting and what sort of microarchitecture you have to use to get there.
> > > >
> > > > As a simple example, x86 is utterly noncompetitive at the area/performance/power levels of, say, a Cortex
> > > > M1/M3/M4 or even an R4.
> > > [...]
> > > > The "x86 penalty" becomes fairly trivial once you get
> > > > up to full-blown out-of-order Tomasulo machines and the like.
> > >
> > > So you seemed to be implying that at P6 level, x86 penalty was much smaller.
> >
> > I was implying that the penalty was vastly smaller than it is in the two cases (R3000 parity, A8 parity)
> > that I had addressed in the previous paragraph. I believe
> > I said "nontrivial integer factors" (i.e. hundreds
> > of percent) in the area/performance regime where the RISCs would employ a classic 5-stage pipe, so clearly
> > I was arguing that David's estimate was *low* by an order of magnitude in that case.
> >
> > In this sort of thing a 5-15% area difference really is low enough that other factors (ecosystem
> > etc) dominate. That makes it a practically trivial difference. The obvious exception would be
> > the case where most of the other factors are neutralized, for example AMD vs Intel.
>
> > Well to start with, let's just avoid the word "trivial". If you say it was 15% for the P6. Then would that mean
> > similar difference for CPUs competing in today's 3-issue medium-depth (A15 class) performance range? In that
> > case, for the ARM market share I think 15% is a very big difference. If you could make the CPUs for 15% cheaper
> > than competitor, you would take their market (or have much higher margins at the same market share).


The problem is that 15% advantage at the end of the fab line immediately starts to dilute. As soon as you have to saw the dies apart, test and package them, sell them, buy motherboards to install them in, etc., etc., etc., down to the pointer where someone is going to buy a system with one of these things in it, install an OS and applications on it, and all that stuff, you'll have little more than noise. And when this is supposed to be an impetus for a (very expensive) platform transition - you're going to need a lot more than noise. And ultimately, this fails unless you get someone to buy the thing at the end of the day.
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Article Online: Microservers must Specialize to SurviveDavid Kanter2013/01/28 01:47 PM
  Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/29 04:42 AM
    Article Online: Microservers must Specialize to SurviveMichael S2013/01/29 06:09 AM
      Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/29 07:01 AM
        Article Online: Microservers must Specialize to SurviveDavid Kanter2013/01/29 01:35 PM
          Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/29 02:42 PM
            Article Online: Microservers must Specialize to SurviveDavid Kanter2013/01/30 12:12 AM
              Article Online: Microservers must Specialize to SurviveMichael S2013/01/30 02:06 AM
              Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/30 09:58 AM
              Article Online: Microservers must Specialize to SurviveDoug S2013/01/30 12:38 PM
                FRU type and granularity selectionPaul A. Clayton2013/01/30 02:29 PM
                  FRU type and granularity selectionrwessel2013/01/30 04:00 PM
                    FRU type and granularity selectionEtienne2013/01/31 03:26 AM
                Article Online: Microservers must Specialize to SurviveMaynard Handley2013/02/13 02:46 PM
                  Article Online: Microservers must Specialize to SurviveDavid Kanter2013/02/16 03:16 PM
                    Article Online: Microservers must Specialize to SurviveDoug S2013/02/17 12:24 PM
        Article Online: Microservers must Specialize to SurviveJohan2013/02/01 01:40 AM
          Article Online: Microservers must Specialize to SurvivePer Hesselgren2013/02/01 03:06 AM
            Article Online: Microservers must Specialize to SurvivePer Hesselgren2013/02/01 03:13 AM
    Article Online: Microservers must Specialize to Survivebakaneko2013/01/29 06:49 AM
      Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/29 07:19 AM
        Article Online: Microservers must Specialize to Survivebakaneko2013/01/29 09:47 AM
          Article Online: Microservers must Specialize to Survivebakaneko2013/01/29 02:18 PM
            Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/29 06:14 PM
              Article Online: Microservers must Specialize to SurviveDavid Kanter2013/01/29 11:51 PM
                Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/30 08:34 AM
                  Article Online: Microservers must Specialize to Surviveanon2013/01/31 06:45 AM
                    Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/31 12:25 PM
                      Article Online: Microservers must Specialize to Surviveanon2013/01/31 12:47 PM
                        Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/31 01:36 PM
                          Article Online: Microservers must Specialize to Surviveanon2013/01/31 04:59 PM
                            Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/31 05:37 PM
                              Article Online: Microservers must Specialize to Surviveanon2013/01/31 06:47 PM
                                Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/31 07:16 PM
                                  Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/31 07:36 PM
                                    Article Online: Microservers must Specialize to Surviveanon2013/02/01 01:47 AM
                                      Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/01 04:26 AM
                                        Article Online: Microservers must Specialize to Surviveanon2013/02/01 05:56 AM
                                          Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/01 06:35 AM
                                            Article Online: Microservers must Specialize to SurviveMichael S2013/02/01 07:07 AM
                                            Article Online: Microservers must Specialize to Surviveanon2013/02/01 08:08 AM
                                              Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/01 08:49 AM
                                                Article Online: Microservers must Specialize to Surviveanon2013/02/01 09:36 AM
                                                  Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/01 10:11 AM
                                                    Article Online: Microservers must Specialize to Surviveanon2013/02/01 06:57 PM
                                                      Article Online: Microservers must Specialize to Surviverwessel2013/02/02 01:42 AM
                                                      Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/02 06:41 AM
                                                        Article Online: Microservers must Specialize to SurviveRicardo B2013/02/02 02:14 PM
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                                                            Article Online: Microservers must Specialize to SurviveRicardo B2013/02/02 04:05 PM
                                                              Article Online: Microservers must Specialize to SurviveMichael S2013/02/02 04:20 PM
                                                              Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/02 05:05 PM
                                                                ASP estimatesRichard Cownie2013/02/02 06:07 PM
                                                                  ASP estimatesRicardo B2013/02/02 06:48 PM
                                                                    ASP estimatesRichard Cownie2013/02/02 07:04 PM
                                                                      ASP estimatesanon2013/02/02 10:19 PM
                                                                        ASP estimatesRichard Cownie2013/02/03 06:06 AM
                                                                          ASP estimates...cache?Per Hesselgren2013/02/03 12:08 PM
                                                                      ASP estimatesMichael S2013/02/03 02:51 AM
                                                                        ASP estimatesRichard Cownie2013/02/03 06:10 AM
                                                                          ASP estimatesDaniel Bizo2013/02/04 03:45 PM
                                                                            ASP estimatesRichard Cownie2013/02/04 05:01 PM
                                                                              ASP estimatesJS2013/02/05 04:25 AM
                                                                              ASP estimatesDaniel Bizo2013/02/05 06:31 AM
                                                                                ASP estimatesRichard Cownie2013/02/05 06:46 AM
                                                                  ARM OEMs get free silicon?someone2013/02/03 01:44 PM
                                                                    ARM OEMs get free silicon?Richard Cownie2013/02/03 08:28 PM
                                                                      ARM OEMs get free silicon?Doug S2013/02/04 11:08 AM
                                                                        ARM OEMs get free silicon?Richard Cownie2013/02/04 12:17 PM
                                                                          ARM OEMs get free silicon?geeker2013/02/06 12:16 PM
                                                                            ARM OEMs get free silicon?Gabriele Svelto2013/02/07 04:18 AM
                                                                              ARM OEMs get free silicon?izotop2013/02/07 06:11 AM
                                                                            ARM OEMs get free silicon?Richard Cownie2013/02/07 06:48 AM
                                                                Article Online: Microservers must Specialize to SurviveRicardo B2013/02/02 06:31 PM
                                                                  Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/02 06:55 PM
                                                                    Article Online: Microservers must Specialize to SurviveRicardo B2013/02/02 07:25 PM
                                                                      Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/02 07:50 PM
                                                                        Article Online: Microservers must Specialize to SurviveRicardo B2013/02/02 08:22 PM
                                                                        Article Online: Microservers must Specialize to SurviveBrendan2013/02/03 12:48 AM
                                                                        Article Online: Microservers must Specialize to SurviveMichael S2013/02/03 02:22 AM
                                                                    Article Online: Microservers must Specialize to Surviveanon2013/02/02 10:21 PM
                                                                      Article Online: Microservers must Specialize to SurviveMichael S2013/02/03 02:40 AM
                                                                        Article Online: Microservers must Specialize to Surviveanon2013/02/03 03:54 AM
                                                                      Overlooking the advantage (or not) of x86 in different marketsDoug S2013/02/03 01:54 PM
                                                                Article Online: Microservers must Specialize to Surviveanon2013/02/02 10:14 PM
                                                                  Article Online: Microservers must Specialize to Surviveanon2013/02/02 10:32 PM
                                                                    Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/03 06:24 AM
                                                        Article Online: Microservers must Specialize to Surviveanon2013/02/02 10:08 PM
                                          Article Online: Microservers must Specialize to SurviveMichael S2013/02/01 06:41 AM
                                            Article Online: Microservers must Specialize to Surviveanon2013/02/01 07:41 AM
                            Article Online: Microservers must Specialize to SurviveDoug S2013/02/01 04:41 PM
                              Article Online: Microservers must Specialize to Surviveanon2013/02/01 07:08 PM
                                Article Online: Microservers must Specialize to SurviveDoug S2013/02/02 02:38 PM
                                  Article Online: Microservers must Specialize to SurviveRicardo B2013/02/02 03:03 PM
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      Article Online: Microservers must Specialize to SurviveMark Roulo2013/01/29 06:08 PM
        Article Online: Microservers must Specialize to Surviverwessel2013/01/29 10:15 PM
          Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/30 02:39 PM
            Article Online: Microservers must Specialize to Surviverwessel2013/01/30 03:54 PM
          Or compare to *desktop* ASPsMark Roulo2013/01/30 03:51 PM
            Or compare to *desktop* ASPsrwessel2013/01/30 04:07 PM
            Or compare to *desktop* ASPsCeleron2013/01/30 05:49 PM
            Or compare to *desktop* ASPsDoug S2013/01/30 09:50 PM
              Or compare to *desktop* ASPsrwessel2013/01/30 11:04 PM
              when thoughput matters, ultra-cheap Intel CPUs are not attractiveMichael S2013/01/31 02:59 AM
                when thoughput matters, ultra-cheap Intel CPUs are not attractiveDoug S2013/01/31 12:00 PM
                  when thoughput matters, ultra-cheap Intel CPUs are not attractiveMichael S2013/01/31 02:04 PM
                    Price/perf curve on intel.Jouni Osmala2013/01/31 11:28 PM
                    when thoughput matters, ultra-cheap Intel CPUs are not attractiveDoug S2013/02/01 04:45 PM
                      when thoughput matters, ultra-cheap Intel CPUs are not attractiverwessel2013/02/02 01:54 AM
              Or compare to *desktop* ASPsGabriele Svelto2013/01/31 03:33 AM
    Article Online: Microservers must Specialize to SurviveDoug S2013/01/29 10:36 AM
      Article Online: Microservers must Specialize to SurviveDavid Kanter2013/01/29 01:52 PM
        Article Online: Microservers must Specialize to SurviveARMandLeg2013/01/29 03:31 PM
        Article Online: Microservers must Specialize to SurviveNo2013/01/29 03:32 PM
          Article Online: Microservers must Specialize to SurviveMichael S2013/01/29 04:36 PM
            Article Online: Microservers must Specialize to SurviveDoug S2013/01/29 07:25 PM
        Article Online: Microservers must Specialize to SurviveDoug S2013/01/29 07:20 PM
          Article Online: Microservers must Specialize to SurviveEduardoS2013/01/30 03:48 AM
  Article Online: Microservers must Specialize to SurvivePer Hesselgren2013/01/29 09:08 AM
  Article Online: Microservers must Specialize to Survivecarop2013/01/29 02:55 PM
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      Article Online: Microservers must Specialize to SurviveGabriele Svelto2013/01/31 03:51 AM
    Article Online: Microservers must Specialize to Survivebakaneko2013/01/30 01:32 AM
      Cache capacity benefits (babbling a bit)Paul A. Clayton2013/01/30 01:42 PM
        Cache size experiments may have been done on ARMsMark Roulo2013/01/30 02:14 PM
          Way and line locking and associativityPaul A. Clayton2013/01/30 03:08 PM
            Way and line locking and associativityMark Roulo2013/01/30 03:37 PM
        Cache capacity benefits may have been done in simulationPatrick Chase2013/01/30 07:25 PM
          Simulation has benefits but is SLOWPaul A. Clayton2013/01/30 09:08 PM
            Simulation has benefits but is SLOWPatrick Chase2013/01/30 10:36 PM
              Simulation has benefits but is SLOWRichard Cownie2013/02/01 12:32 PM
                Simulation has benefits but is SLOWPatrick Chase2013/02/01 01:06 PM
                Simulation has benefits but is SLOWnone2013/02/01 01:13 PM
      Article Online: Microservers must Specialize to Survivesoupdragon2013/01/31 12:02 PM
    Article Online: Microservers must Specialize to SurvivePatrick Chase2013/01/30 12:26 PM
  4x or 10x advantageS. Rao2013/01/30 05:35 PM
    4x or 10x advantagerwessel2013/01/30 06:32 PM
      4x or 10x advantageS. Rao2013/02/03 10:32 PM
        4x or 10x advantageDavid Kanter2013/02/03 11:09 PM
        4x or 10x advantagerwessel2013/02/04 12:08 AM
          x86_64Richard Cownie2013/02/04 05:52 PM
            x86_64Michael S2013/02/05 02:51 AM
              x86_64Richard Cownie2013/02/05 04:33 AM
                x86_64EduardoS2013/02/05 04:41 AM
                  x86_64sJ2013/02/05 05:52 AM
                  x86_64Richard Cownie2013/02/05 06:47 AM
                x86_64someone2013/02/05 09:22 AM
                  x86_64Richard Cownie2013/02/05 09:44 AM
              "Just recompile"Mark Roulo2013/02/05 08:40 AM
                "Just recompile"Michael S2013/02/05 10:35 AM
                  "Just recompile"Mark Roulo2013/02/05 10:55 AM
  Virtualization and custom interconnectsGabriele Svelto2013/01/31 05:05 AM
  x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/01 10:11 PM
    x86 penalty depends on performance and microarchitecturempx2013/02/02 04:31 AM
      x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/02 09:27 AM
        Heterogenous multicore in serversPaul A. Clayton2013/02/02 10:25 AM
    x86 penalty depends on performance and microarchitectureanon2013/02/02 05:04 AM
      x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/02 09:42 AM
        x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/02 09:58 AM
        x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/02 10:26 AM
        x86 penalty depends on performance and microarchitectureanon2013/02/02 05:49 PM
          x86 penalty depends on performance and microarchitecturePer Hesselgren2013/02/03 01:44 AM
            x86 penalty depends on performance and microarchitectureMichael S2013/02/03 02:59 AM
          x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/03 02:27 PM
            x86 penalty depends on performance and microarchitectureanon2013/02/03 02:58 PM
              x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/03 03:35 PM
                x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/03 03:39 PM
                x86 penalty depends on performance and microarchitectureanon2013/02/03 06:08 PM
                  x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/03 08:05 PM
                    x86 penalty depends on performance and microarchitectureanon2013/02/03 09:52 PM
                      x86 penalty depends on performance and microarchitectureDavid Kanter2013/02/03 11:23 PM
                        U shape curve on performance...Jouni Osmala2013/02/04 01:07 AM
                          U shape curve on performance...none2013/02/04 03:03 AM
                            U shape curve on performance...Michael S2013/02/04 07:55 AM
                              U shape curve on performance...Patrick Chase2013/02/04 10:14 AM
                                U shape curve on performance...Michael S2013/02/04 02:43 PM
                                  U shape curve on performance...Patrick Chase2013/02/04 04:06 PM
                            Microcode can be usefulPaul A. Clayton2013/02/04 08:08 AM
                          U shape curve on performance...Michael S2013/02/04 07:48 AM
                          U shape curve on performance...Patrick Chase2013/02/04 10:05 AM
                            It only works if ... ??Paul A. Clayton2013/02/04 12:20 PM
                              It only works if ... ??Patrick Chase2013/02/04 12:48 PM
                                It only works if ... ??Patrick Chase2013/02/04 01:02 PM
                                It only works if ... ??Patrick Chase2013/02/04 01:08 PM
                                  It only works if ... ??Patrick Chase2013/02/04 01:15 PM
                                  It only works if ... ??anon2013/02/04 05:45 PM
                            I don't follow...Megol2013/02/05 10:16 AM
                      x86 penalty depends on performance and microarchitecturerwessel2013/02/04 12:28 AM
            spec95 vs Spec2kMichael S2013/02/04 02:27 AM
              spec95 vs Spec2kPer Hesselgren2013/02/04 04:42 AM
              spec95 vs Spec2kbakaneko2013/02/04 04:48 AM
                correct linksMichael S2013/02/04 06:10 AM
              spec95 vs Spec2kPatrick Chase2013/02/04 11:47 AM
                spec95 vs Spec2kPatrick Chase2013/02/04 11:55 AM
                  spec95 vs Spec2kMichael S2013/02/04 01:39 PM
                    spec95 vs Spec2kPatrick Chase2013/02/04 02:07 PM
                    spec95 vs Spec2knone2013/02/04 04:28 PM
                      spec95 vs Spec2kMichael S2013/02/05 02:35 AM
                spec95 vs Spec2kMichael S2013/02/04 01:50 PM
                spec95 vs Spec2k (hair-splitting)Kira2013/02/04 03:26 PM
    x86 penalty depends on performance and microarchitecturenone2013/02/02 05:33 AM
      x86 penalty depends on performance and microarchitecturePatrick Chase2013/02/02 10:11 AM
        x86 penalty depends on performance and microarchitecturenone2013/02/02 10:43 AM
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            Cortex A9 ROBPatrick Chase2013/02/02 02:01 PM
              Cortex A9 ROBnone2013/02/04 04:12 PM
                Cortex A9 ROBPatrick Chase2013/02/04 04:43 PM
                  Cortex A9 ROBnone2013/02/04 04:58 PM
    ARM diversity might be an advantagePaul A. Clayton2013/02/02 11:10 AM
      ARM diversity might be an advantagePatrick Chase2013/02/03 04:29 PM
        ARMv8 cleanlinessanon2013/02/03 06:11 PM
          ARMv8 cleanlinessPatrick Chase2013/02/03 07:40 PM
            Does AArch64 not support table node page sizes?Paul A. Clayton2013/02/03 09:40 PM
              Does AArch64 not support table node page sizes?Patrick Chase2013/02/03 10:14 PM
                Does AArch64 not support table node page sizes?none2013/02/04 02:55 AM
              LPAE supports 2MiB and 1 GiB blocksPaul A. Clayton2013/02/03 10:52 PM
            ARMv8 cleanlinessanon2013/02/03 10:06 PM
              ARMv8 cleanlinessrwessel2013/02/04 12:37 AM
                ARMv8 cleanlinessMichael S2013/02/04 01:50 AM
              ARMv8 cleanlinessEtienne2013/02/04 08:01 AM
                Similar to Thumb If-Then instructionPaul A. Clayton2013/02/04 08:43 AM
                  Similar to Thumb If-Then instructionEtienne2013/02/05 07:22 AM
                ARMv8 cleanlinessJouni Osmala2013/02/04 11:15 PM
                  ARMv8 cleanlinessEtienne2013/02/05 06:57 AM
                    ARMv8 cleanlinessJouni Osmala2013/02/05 07:59 AM
                      ARMv8 cleanlinessEtienne2013/02/05 08:55 AM
              ARMv8 cleanlinessMaynard Handley2013/02/13 03:53 PM
                ARMv8 cleanlinessGabriele Svelto2013/02/14 01:37 AM
                ARMv8 cleanlinessEtienne2013/02/14 06:00 AM
                  ARMv8 cleanlinessrwessel2013/02/14 04:03 PM
                ARMv8 cleanlinessSeni2013/02/14 07:45 AM
                  ARMv8 cleanlinessrwessel2013/02/14 04:14 PM
                    ARMv8 cleanlinessLinus Torvalds2013/02/14 04:44 PM
                      ARMv8 cleanlinessGabriele Svelto2013/02/15 02:28 AM
                        ARMv8 cleanlinessEduardoS2013/02/15 10:45 AM
                        ARMv8 cleanlinessMax2013/02/15 01:24 PM
                          ARMv8 cleanlinessWilco2013/02/15 05:46 PM
                            ARMv8 cleanlinessLinus Torvalds2013/02/15 06:34 PM
                              ARMv8 cleanlinessWilco2013/02/17 01:47 PM
                                ARMv8 cleanlinessLinus Torvalds2013/02/17 04:08 PM
                                  ARMv8 cleanlinessWilco2013/02/18 05:14 PM
                                    ARMv8 cleanlinessanon2013/02/19 01:56 AM
                                      ARMv8 cleanlinessWilco2013/02/19 02:20 PM
                                    ARMv8 cleanlinessLinus Torvalds2013/02/19 10:13 AM
                                      ARMv8 cleanlinessWilco2013/02/19 02:10 PM
                                        ARMv8 cleanlinessLinus Torvalds2013/02/19 06:16 PM
                                          ARMv8 cleanlinessLinus Torvalds2013/02/19 06:41 PM
                                            ARMv8 cleanlinessWilco2013/02/25 06:05 AM
                                              ARMv8 cleanlinessLinus Torvalds2013/02/25 06:22 PM
                                                ARMv8 cleanlinessnone2013/02/26 01:31 AM
                                                  ARMv8 cleanlinessMichael S2013/02/26 05:05 AM
                                                ARMv8 cleanlinessDavid Hess2013/02/26 11:01 PM
                                                  ARMv8 cleanlinessLinus Torvalds2013/02/27 11:22 AM
                                                    ARMv8 cleanlinessDavid Hess2013/03/01 01:58 PM
                                                      What is wrong with ARM?Paul A. Clayton2013/03/01 06:56 PM
                                                        What is wrong with ARM?David Hess2013/03/01 07:49 PM
                                                          What is wrong with ARM?Michael S2013/03/02 05:11 PM
                                                            What is wrong with ARM?David Hess2013/03/03 11:32 PM
                                                              What is wrong with ARM?Michael S2013/03/04 02:05 AM
                                                        What is wrong with ARM?David Hess2013/03/07 06:30 PM
                                                          Thank you very much!Paul A. Clayton2013/03/07 07:59 PM
                                                            Thank you very much!David Hess2013/03/07 11:22 PM
                                                              Thank you very much!gallier22013/03/08 01:43 AM
                                                                Thank you very much!David Hess2013/03/08 11:24 AM
                                                                  Thank you very much!Ungo2013/03/08 04:37 PM
                                                                    Thank you very much!David Hess2013/03/08 08:47 PM
                                                            Thank you very much!Ricardo B2013/03/08 05:07 AM
                                                              ARM lackings a historical accident?Paul A. Clayton2013/03/08 08:54 AM
                                                                ARM lackings a historical accident?Ricardo B2013/03/08 03:33 PM
                                                          What is wrong with ARM?Michael S2013/03/08 06:25 AM
                                                            What is wrong with ARM?David Hess2013/03/08 12:37 PM
                                                            What is wrong with ARM?dmsc2013/03/12 03:47 PM
                                                          What is wrong with ARM?dmsc2013/03/12 03:43 PM
                                                      ARMv8 cleanlinessMichael S2013/03/02 05:06 PM
                                                    ParityAndi Kleen2013/03/03 01:47 PM
                                                      ParityLinus Torvalds2013/03/03 03:06 PM
                                                        ParityAndi Kleen2013/03/03 07:15 PM
                                            Except the borrow bitMatthew D2013/02/26 12:07 AM
                                              Except the borrow bitrwessel2013/02/26 12:42 AM
                                              Except the borrow bitLinus Torvalds2013/02/26 11:13 AM
                                                are ZSCO flags really fundamental?Michael S2013/02/27 04:24 PM
                                                  are ZSCO flags really fundamental?Linus Torvalds2013/02/27 05:41 PM
                                                    are ZSCO flags really fundamental?Michael S2013/02/28 01:39 AM
                                                    are ZSCO flags really fundamental?2013/03/01 10:23 AM
                                                  are ZSCO flags really fundamental?EduardoS2013/02/27 11:07 PM
                                                    are ZSCO flags really fundamental?Michael S2013/02/28 04:58 AM
                                                  are ZSCO flags really fundamental?rwessel2013/02/28 12:29 AM
                                                    are ZSCO flags really fundamental?rwessel2013/02/28 12:32 AM
                                                    Bit numbering on big endian machinesKonrad Schwarz2013/02/28 01:49 AM
                                                      Bit numbering on big endian machinesrwessel2013/02/28 02:32 AM
                                          ARMv8 cleanlinessWilco2013/02/25 05:54 AM
                                            ARMv8 cleanlinessEduardoS2013/02/25 06:24 AM
                                              ARMv8 cleanlinessWilco2013/02/25 07:36 AM
                                                ARMv8 cleanlinessEduardoS2013/02/25 01:06 PM
                                                  ARMv8 cleanlinessWilco2013/02/25 05:24 PM
                                                    ARMv8 cleanlinessEduardoS2013/02/25 05:55 PM
                                                    Utility of data loss exceptionsPaul A. Clayton2013/02/25 08:18 PM
                                                      Utility of data loss exceptionsrwessel2013/02/26 01:00 AM
                                                        Excessively expensive mode changingPaul A. Clayton2013/02/26 06:15 AM
                                                      Utility of data loss exceptionsEduardoS2013/02/26 02:55 AM
                                                        Utility of data loss exceptionsTREZA2013/02/26 04:53 AM
                                                          Utility of data loss exceptionsEduardoS2013/02/26 05:37 AM
                                                      Utility of data loss exceptionsEtienne2013/02/26 06:01 AM
                                            1b vs. 4b not a huge difference?Paul A. Clayton2013/02/25 09:57 AM
                                  Possible benefit of multi-bit CCPaul A. Clayton2013/02/23 08:09 AM
                                ARMv8 cleanlinessrwessel2013/02/18 12:01 AM
                                  ARMv8 cleanlinessWilco2013/02/18 05:33 PM
                                    ARMv8 cleanlinessEduardoS2013/02/18 08:18 PM
                                      ARMv8 cleanlinessWilco2013/02/25 06:19 AM
                      ARMv8 cleanlinessTREZA2013/02/15 04:21 AM
                      ARMv8 cleanliness2013/02/17 10:49 AM
                        ARMv8 cleanlinessLinus Torvalds2013/02/17 11:54 AM
                          ARMv8 cleanlinessLinus Torvalds2013/02/17 11:58 AM
                          ARMv8 cleanlinessnone2013/02/17 04:36 PM
                        ARMv8 cleanlinessTREZA2013/02/17 11:59 AM
                          ARMv8 cleanlinessWilco2013/02/17 12:30 PM
                            and-compare and or-comparePaul A. Clayton2013/02/17 05:28 PM
                              early branch resolutionanon2013/02/18 02:05 AM
                                My ignorance about compilers is vasterPaul A. Clayton2013/02/18 01:30 PM
                                early branch resolutionanon2013/02/18 05:12 PM
                              early branch resolution?EBFE2013/02/19 01:03 AM
                                Early resolution: some but limited potentialPaul A. Clayton2013/02/19 05:52 PM
                                  Early resolution: some but limited potentialhobold2013/02/20 02:02 PM
                                    PPC750 was an inspirationPaul A. Clayton2013/02/23 08:09 AM
                          ARMv8 cleanlinessTREZA2013/02/17 01:53 PM
                            ARMv8 cleanlinessExophase2013/02/17 04:49 PM
                        ARMv8 cleanlinessWilco2013/02/17 12:07 PM
                        ARMv8 cleanlinessbakaneko2013/02/17 12:43 PM
                        ARMv8 cleanlinessJouni Osmala2013/02/17 01:10 PM
                          -1 comparison true seems betterPaul A. Clayton2013/02/17 06:07 PM
                  ARMv8 cleanlinessEtienne2013/07/17 02:58 AM
      ARM server benchmark- why Apache?Per Hesselgren2013/02/05 12:13 AM
        ARM server benchmark- why Apache?anon2013/02/05 12:38 AM
          ARM server benchmark- why Apache?Per Hesselgren2013/02/05 01:25 AM
            ARM server benchmark- why Apache?Michael S2013/02/05 02:13 AM
          ARM server benchmark- why Apache?Michael S2013/02/05 01:51 AM
          I think that was debunked alreadyDavid Kanter2013/02/05 07:36 PM
        ARM server benchmark- why Apache?bakaneko2013/02/06 02:37 AM
          ARM server benchmark- why Apache?Michael S2013/02/06 03:43 AM
            Marketing to PHBs?Paul A. Clayton2013/02/06 06:40 AM
            ARM server benchmark- why Apache?bakaneko2013/02/06 07:08 AM
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