ARM announces Ares

By: anon (anon.delete@this.anon.com), February 20, 2019 9:27 pm
Room: Moderated Discussions
Linus Torvalds (torvalds.delete@this.linux-foundation.org) on February 20, 2019 9:36 am wrote:
> nobody in particular (nobody.delete@this.nowhe.re) on February 20, 2019 7:35 am wrote:
> > Write-up at Anandtech
> >
> > The stated SPECint numbers are superb. I'm looking forward
> > to spec2017, but this is a very, very promising start.
>
> We'll see if it actually delivers, but ARM is certainly looking a whole lot better than it used to.
>
> They've been nicely strengthening their memory model, to the point that these days it's actually
> one of the better ones. They even seem to have decided that I$ coherency matters. Good for them.
> Doing cache coherency in software is crazy, and people who think it's a good idea don't understand
> the complexities of reality. Maybe some day it will even become architectural.
>
> And I have to say, I like the direction ARM is going with vector math a lot more than the
> AVX512 that Intel is pushing. I don't know how well it works in practice, but the whole "let's
> try to do something that works for different vector lengths" is laudable. I'm quite tired
> of the model where Intel introduces yet another incompatible model every few years.
>
> I still will hold judgement until we actually see widely available hardware that people
> actually can use for development and deployment. I've just seen too many promises and "released"
> hardware that never went anywhere and nobody really had reasonably available.
>
> In particular, I do wish they didn't push the "hyperscale" design so much. Maybe they got the
> scaling working, but honestly, I doubt it. It just takes time and effort and learning. Don't
> try to jump to 64-128 core targets until you've had a few years of just plain getting something
> like a "simple" 8-core one right. Which they haven't actually demonstrated, so far.

Why? They have no market for an 8 core design. They would have to not just match but beat x86 in single threaded performance for there to be any reason to use such a thing.
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TopicPosted ByDate
ARM announces Aresnobody in particular2019/02/20 08:35 AM
  ARM announces AresAdrian2019/02/20 08:39 AM
    ARM announces Aresdmcq2019/02/20 10:03 AM
      ARM announces AresMichael S2019/02/20 10:41 AM
        ARM announces Aresdmcq2019/02/20 12:49 PM
          ARM announces AresMichael S2019/02/20 01:21 PM
            ARM announces Aresdmcq2019/02/20 02:01 PM
              ARM announces AresWilco2019/02/20 02:31 PM
                ARM announces Aresdmcq2019/02/20 03:16 PM
                  ARM announces AresWilco2019/02/20 03:49 PM
                    ARM announces Aresdmcq2019/02/20 04:09 PM
                      ARM announces AresWilco2019/02/20 04:45 PM
                        ARM announces Aresnobody in particular2019/02/20 04:55 PM
                          ARM announces AresDan Fay2019/02/20 05:44 PM
                            ARM announces AresWilco2019/02/20 07:06 PM
                              ARM announces AresDan Fay2019/02/21 08:27 AM
                        ARM announces Aresdmcq2019/02/20 05:49 PM
                          ARM announces AresWilco2019/02/20 06:40 PM
                            ARM announces AresCharles2019/02/21 02:16 AM
                              ARM announces AresMichael S2019/02/21 02:26 AM
                        ARM announces Aresanon2019/02/20 08:55 PM
                          ARM announces AresJS2019/02/21 12:59 AM
                            *has not hasn't (NT)JS2019/02/21 01:01 AM
                            ARM announces AresSalvatore De Dominicis2019/02/21 07:05 AM
                        Definitions of RISCBrendan2019/02/21 10:07 AM
                          Definitions of RISCMichael S2019/02/21 10:16 AM
                          PDP-8 Not Usually Considered RISCMark Roulo2019/02/21 02:10 PM
                            PDP-8 Not Usually Considered RISCrwessel2019/02/21 07:13 PM
                          Definitions of RISCAdrian2019/02/21 02:42 PM
                            Definitions of RISC (nod to John Mashey and comp.arch)wumpus2019/02/21 06:29 PM
                              Definitions of RISC (nod to John Mashey and comp.arch)none2019/02/22 12:32 AM
                                Definitions of RISC (nod to John Mashey and comp.arch)Michael S2019/02/22 04:28 AM
                                  Definitions of RISC (nod to John Mashey and comp.arch)none2019/02/22 08:01 AM
  ARM announces Areslockederboss2019/02/20 09:56 AM
    stability? (NT)anonymous22019/02/20 10:01 AM
    ARM announces Aresdmcq2019/02/20 10:05 AM
    ARM announces AresGroo2019/02/20 10:11 AM
    ARM announces AresAndrei Frumusanu2019/02/20 11:49 AM
  ARM announces AresLinus Torvalds2019/02/20 10:36 AM
    ARM announces AresMichael S2019/02/20 10:54 AM
    ARM announces AresGeoff Langdale2019/02/20 03:07 PM
      ARM announces Aresdmcq2019/02/20 03:32 PM
      ARM announces Aresnone2019/02/21 12:03 AM
        That last line should have been removed :-) (NT)none2019/02/21 12:04 AM
        ARM announces AresMichael S2019/02/21 01:47 AM
          ARM announces Aresnone2019/02/21 03:59 AM
            ARM announces AresMichael S2019/02/21 04:45 AM
            ARM announces Aresdmcq2019/02/21 05:18 AM
              ARM announces AresSimon Farnsworth2019/02/22 09:43 AM
    ARM announces Aresanon2019/02/20 09:27 PM
      ARM announces AresMichael S2019/02/21 01:53 AM
        ARM announces AresLinus Torvalds2019/02/21 09:03 AM
          ARM announces AresMichael S2019/02/21 09:35 AM
            ARM announces AresMichael S2019/02/21 09:51 AM
            ARM announces AresFoo_2019/02/21 02:40 PM
            ARM announces Aresaaron spink2019/02/21 03:56 PM
            ARM announces AresLinus Torvalds2019/02/21 04:27 PM
              ARM announces AresStoffels2019/02/22 12:21 AM
                ARM announces AresMichael S2019/02/22 04:15 AM
                  ARM announces AresSimon Farnsworth2019/02/22 09:41 AM
                    ARM announces Aresnone2019/02/22 10:30 AM
                    In other words: nobody will ever get fired for choosing x86 (NT)Gabriele Svelto2019/02/24 01:32 PM
                      In other words: nobody will ever get fired for choosing x86Simon Farnsworth2019/02/25 04:53 AM
              ARM announces AresFoo_2019/02/22 02:52 AM
              ARM announces AresGabriele Svelto2019/02/24 01:31 PM
                ARM announces AresMaynard Handley2019/02/25 03:57 AM
                  ARM announces AresGabriele Svelto2019/02/25 04:21 AM
                    ARM announces AresMichael S2019/02/25 04:58 AM
                      ARM announces Aresnobody in particular2019/02/25 05:21 AM
                        ARM announces AresAdrian2019/02/26 08:02 AM
                    ARM announces AresMaynard Handley2019/02/26 12:32 AM
                      ARM announces AresGabriele Svelto2019/02/26 12:14 PM
                      ARM announces AresDavid Hess2019/03/19 05:34 PM
                    ARM announces Aresnone2019/02/26 01:34 AM
                      ARM announces AresGabriele Svelto2019/02/26 12:16 PM
                        ARM announces Aresnone2019/02/27 12:19 AM
              ARM announces Aresend of an era2019/02/24 03:18 PM
                Word salad bot strikes again (NT)nanon2019/02/25 12:26 AM
                ARM announces Areshobel2019/02/25 02:10 AM
                  ARM announces AresMichael S2019/02/25 02:52 AM
                    ARM announces Areshobel2019/02/25 10:48 AM
                      ARM announces AresAndrew Clough2019/02/25 02:07 PM
                      ARM announces AresMaynard Handley2019/02/26 12:38 AM
                    ARM announces AresJohn Yates2019/02/26 03:43 PM
              ARM announces AresHoward Chu2019/02/27 06:55 AM
              ARM announces AresDavid Hess2019/03/19 05:22 PM
            ARM announces AresDavid Hess2019/03/19 04:54 PM
              ARMY announces Aresdmcq2019/03/20 03:12 AM
                ARMY announces AresDavid Hess2019/03/20 05:47 AM
                  ARMY announces Aresdmcq2019/03/20 06:05 AM
          ARM announces AresGroo2019/02/21 10:23 AM
            ARM announces AresMichael S2019/02/21 10:29 AM
              ARM announces AresDavid Hess2019/03/19 05:44 PM
            ARM announces Aresjuanrga2019/02/21 11:52 AM
            ARM announces Aresanon2019/02/21 08:19 PM
              ARM announces Areshobel2019/02/22 03:40 AM
          software ecosystemsRichardC2019/02/21 04:31 PM
            software ecosystemsFoo_2019/02/22 03:15 AM
          ARM announces Aresdmcq2019/02/21 05:31 PM
            + on hyperscalingdmcq2019/02/22 08:23 AM
              + on hyperscalingMaynard Handley2019/02/22 08:38 AM
                + on hyperscalingjuanrga2019/02/22 11:57 AM
            + on hyperscalingdmcq2019/02/22 08:23 AM
              sorry duplicatedmcq2019/02/22 08:26 AM
          ARM announces Aresanon2019/02/21 08:34 PM
            ARM announces AresBrett2019/02/21 10:20 PM
          ARM announces AresA. Wilcox2019/02/22 03:52 PM
  ARM announces AresDoug S2019/02/20 03:30 PM
    ARM announces Aresdmcq2019/02/20 04:14 PM
      ARM announces AresDoug S2019/02/21 08:40 AM
        ARM announces Aresaaron spink2019/02/21 04:05 PM
        ARM announces AresMaynard Handley2019/02/22 08:48 AM
  ARM announces Aresjuanrga2019/02/21 02:28 AM
    ARM announces AresMichael S2019/02/21 03:25 AM
      ARM announces Aresjuanrga2019/02/22 04:09 AM
      ARM announces AresMaynard Handley2019/02/22 08:51 AM
        ARM announces AresDavid Soul2019/02/22 11:47 AM
          ARM announces Aresjuanrga2019/02/22 12:23 PM
            Chicken or egg, both.Brett2019/02/22 02:21 PM
              Chicken or egg, both.David Soul2019/02/22 06:05 PM
                Chicken or egg, both.Brett2019/02/22 09:55 PM
                  ARM salesjuanrga2019/02/23 03:55 AM
                    ARM salesaaron spink2019/02/23 08:47 AM
                Chicken or egg, both.Ronald Maas2019/02/23 06:33 PM
                  Chicken or egg, both.Magagop2019/02/24 11:18 PM
                    why not? (NT)Michael S2019/02/25 02:03 AM
                      why not?Not the parent2019/02/25 10:36 AM
                        why not?Michael S2019/02/25 10:43 AM
                          why not?dmcq2019/02/25 11:35 AM
                            why not?Michael S2019/02/25 12:03 PM
                              why not?dmcq2019/02/25 12:29 PM
                              why not?Not the parent2019/02/26 10:08 AM
                                why not?Doug S2019/02/26 12:05 PM
                                  why not?Not the parent2019/02/27 04:51 AM
                                    why not?Doug S2019/02/27 12:15 PM
                                      why not?Not the parent2019/02/28 01:43 AM
                                why not?anon2019/02/26 11:22 PM
                                  why not?Not the parent2019/02/27 04:59 AM
                                    why not?anon2019/02/27 06:42 AM
                                      why not?Magagop2019/02/27 03:31 PM
                                        why not?anon2019/02/27 05:02 PM
                                          why not?dmcq2019/02/27 05:25 PM
                                            why not?anon2019/02/27 05:56 PM
                                              why not?dmcq2019/02/27 06:19 PM
                                                why not?anon2019/02/27 06:46 PM
                                                  why not?Wilco2019/02/28 05:49 AM
                                                    why not?Jukka Larja2019/02/28 07:02 AM
                                                      why not?Michael S2019/02/28 08:32 AM
                                                      why not?Wilco2019/02/28 09:40 AM
                                                      why not?Doug S2019/02/28 10:13 AM
                                                        why not?Foo_2019/03/01 07:35 AM
                                                          why not?Doug S2019/03/01 11:05 AM
                                                            why not?anon2019/03/01 02:32 PM
                                                              why not?dmcq2019/03/01 03:13 PM
                                                                why not?anon2019/03/01 04:13 PM
                                                                  why not?dmcq2019/03/02 03:56 AM
                                                                    why not?anon2019/03/02 10:09 AM
                                                                      why not?dmcq2019/03/02 10:41 AM
                                                                        why not?anon2019/03/02 12:19 PM
                                                                          why not?dmcq2019/03/03 03:48 AM
                                                                      why not?Doug S2019/03/02 04:53 PM
                                                                        why not?Michael S2019/03/02 05:06 PM
                                                                          why not?Doug S2019/03/03 12:54 AM
                                                                            why not?Michael S2019/03/03 02:58 AM
                                                                              why not?anon2019/03/03 05:35 AM
                                                                                why not?dmcq2019/03/03 06:33 AM
                                                                                  I considired dry humor a Brittish specialty. It seems, I was wrong about it. (NT)Michael S2019/03/03 06:39 AM
                                                                                  why not?anon2019/03/03 10:13 AM
                                                                                    why not?Michael S2019/03/03 12:41 PM
                                                                                      why not?dmcq2019/03/03 01:21 PM
                                                                                        why not?anon2019/03/03 04:15 PM
                                                    why not?anon2019/02/28 08:38 PM
                                              why not?Not the parent2019/02/28 01:48 AM
                                                strawman (NT)anon2019/02/28 08:31 PM
                            why not?Michael S2019/02/27 03:53 AM
                              why not?Not the parent2019/02/27 05:26 AM
                                why not?Michael S2019/02/27 05:42 AM
                              why not?dmcq2019/02/27 05:49 AM
                                why not?Michael S2019/02/27 06:21 AM
                                  why not?dmcq2019/02/27 07:15 AM
                                Selling at multiple layersPaul A. Clayton2019/02/27 11:25 AM
                                  Selling at multiple layersDoug S2019/02/27 12:45 PM
                                    Selling at multiple layersPaul A. Clayton2019/02/27 02:32 PM
                                      Selling at multiple layersDoug S2019/02/27 04:04 PM
                                        Paul A. Clayton2019/02/27 07:06 PM
                                          Arm reference board?Simon Farnsworth2019/02/28 12:34 PM
                                why not?Doug S2019/02/27 12:46 PM
                      why not? (NT)la mama de murgay2019/02/25 10:22 PM
                    Chicken or egg, both.Ronald Maas2019/02/25 01:23 PM
            ARM announces AresGabriele Svelto2019/02/24 03:07 PM
              ARM announces Aresjuanrga2019/03/02 05:40 AM
                ARM announces AresGabriele Svelto2019/03/02 08:08 AM
                  ARM announces Aresdmcq2019/03/02 10:10 AM
          ARM announces Areshobel2019/02/22 04:33 PM
            ARM announces AresDavid Soul2019/02/22 06:20 PM
              TrollDoug S2019/02/23 01:37 AM
                TrollDavid Soul2019/02/23 08:59 AM
              ARM announces AresEnnis2019/02/23 02:18 AM
                ARM announces AresFoo_2019/02/23 02:38 AM
                  ARM announces Aresanon2019/02/23 03:46 AM
                ARM announces Aresdmcq2019/02/23 05:41 AM
  ARM announces Aresnobody in particular2019/02/26 03:58 AM
    expensiveanonymous22019/02/27 12:46 AM
    ARM announces AresHoward Chu2019/02/27 07:19 AM
      ARM announces AresHoward Chu2019/02/27 07:21 AM
        ARM announces Aresdmcq2019/02/27 07:57 AM
        ARM announces AresJukka Larja2019/02/27 08:11 AM
          ARM announces AresMichael S2019/02/27 08:16 AM
            ARM announces AresDoug S2019/02/27 12:49 PM
              ARM announces AresMichael S2019/02/27 01:43 PM
                ARM announces AresDoug S2019/02/27 04:06 PM
                  ARM announces AresGian-Carlo Pascutto2019/02/28 05:00 AM
                ARM announces AresGian-Carlo Pascutto2019/02/28 05:02 AM
                  ARM announces AresMichael S2019/03/01 03:47 AM
                    death by a thousand cutsMichael S2019/03/01 07:27 AM
                      death by a thousand cutsFoo_2019/03/01 07:37 AM
                        death by a thousand cutsdmcq2019/03/01 12:10 PM
              ARM announces AresJukka Larja2019/02/28 06:31 AM
                ARM announces AresHoward Chu2019/02/28 09:17 AM
                  ARM announces AresGabriele Svelto2019/02/28 03:02 PM
                    ARM announces Aresaaron spink2019/03/01 01:19 AM
                ARM announces AresAndrew Clough2019/02/28 11:32 AM
                  ARM announces AresAndrew Clough2019/02/28 11:33 AM
                  ARM announces AresFoo_2019/03/01 01:55 AM
                  ARM announces AresJukka Larja2019/03/01 05:40 AM
          ARM announces AresHoward Chu2019/02/27 08:45 AM
            ARM announces Aresdmcq2019/02/27 09:17 AM
              ARM announces Aresdmcq2019/02/27 09:21 AM
                ARM announces AresHoward Chu2019/02/27 04:03 PM
            ARM announces AresJukka Larja2019/02/28 06:03 AM
      ARM announces Aresnone2019/02/27 11:49 PM
        ARM announces AresHoward Chu2019/02/28 04:26 AM
          ARM announces AresPeter E. Fry2019/02/28 07:31 PM
            ARM announces AresAdrian2019/02/28 10:09 PM
            ARM announces AresGabriele Svelto2019/03/02 12:56 AM
              ARM announces AresHoward Chu2019/03/02 10:05 AM
                ARM announces AresGabriele Svelto2019/03/02 02:31 PM
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