Way and line locking and associativity

Article: Microservers must Specialize to Survive
By: Mark Roulo (nothanks.delete@this.xxx.com), January 30, 2013 3:37 pm
Room: Moderated Discussions
Paul A. Clayton (paaronclayton.delete@this.gmail.com) on January 30, 2013 3:08 pm wrote:
> Mark Roulo (nothanks.delete@this.xxx.com) on January 30, 2013 2:14 pm wrote:
> > Paul A. Clayton (paaronclayton.delete@this.gmail.com) on January 30, 2013 1:42 pm wrote:
> >
> > > (I am curious how they managed to disable portions of the cache. Although some high-end servers
> > > support selective block disabling as a standard feature, I was not aware of any that supporting
> > > disabling half, a third, or a sixth of the cache. Does Facebook have access to special features
> > > that are typically fused-off? Restricting such to Facebook seems to be a disservice to others--e.g.,
> > > academic researchers--who could benefit from access to such features.)
> >
> > Facebook may have done this test using ARM CPUs.
> >
> > Google for "Lockdown by line" and ARM.
>
> Way and line locking are fairly common features of embedded processors. However, such locking reduces
> associativity. A nice complementary feature is partial allocation of cache memory to a memory address
> range where associativity is not reduced (IIRC, this was provided by some of the Motorola PowerPC74xx
> series. I think those CPUs adjusted the line size [so all cache tags were used], but I do not think
> there is any technical constraint requiring that as part of a CPU design. Those were the days of
> off-chip SRAM caches.). (Such a scratchpad memory would avoid tag overhead--energy and latency--as
> well as having the guaranteed access traits of locked cache lines or ways.)
>
> (Another odd variation in tag and data use would be associating a region of the cache with a
> small subset of memory--such that tags could be substantially smaller. It would also be conceivable
> to have page-granular cache lines for part of a cache to facilitate something close to a virtualizable
> scratchpad memory. But these concepts are probably quite a bit too wacky.)
>
> A six-fold reduction in associativity (with a capacity reduction from 3MiB to 512KiB)
> would seem to be a significant matter even if starting from 16-way set associative. That
> would seem to make the measurement more problematic. (The degrading at 512KiB capacity
> might have been a result of increased conflict misses more than capacity misses.)

Another way of looking at this is that even *WITH* loss of associativity, they didn't need more than 512KB of cache. Think of the 512KB as an upper limit. Knowing that you can drop from 3MB to 512KB (and maybe lower!) is quite useful even if you can actually go below that ...
< Previous Post in ThreadNext Post in Thread >
TopicPosted ByDate
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
                                                          Article Online: Microservers must Specialize to SurviveRichard Cownie2013/02/02 02:50 PM
                                                            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
              Article Online: Microservers must Specialize to Survivebakaneko2013/01/30 01:16 AM
        Article Online: Microservers must Specialize to Surviveanon2013/01/29 11:34 PM
    Article Online: Microservers must Specialize to Survivesomeone2013/01/29 08:58 AM
      Article Online: Microservers must Specialize to SurviveRichard Cownie2013/01/29 09:28 AM
      Article Online: Microservers must Specialize to SurviveMichael S2013/01/29 09:42 AM
      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
    Article Online: Microservers must Specialize to SurviveDavid Kanter2013/01/29 11:33 PM
      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
          Cortex A9 ROBPatrick Chase2013/02/02 01:13 PM
            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
Reply to this Topic
Name:
Email:
Topic:
Body: No Text
How do you spell tangerine? 🍊