Big gotchas: poor specs

By: Jouni Osmala (fname.sname.delete@this.aalto.fi), August 12, 2019 9:18 pm
Room: Moderated Discussions
> > If Linus is interested in the 3950X as an upgrade and not the 3900X (or even 3800X) I
> > highly doubt it's for the single thread performance.
>
> I'm a big proponent of single-thread performance in general, because a lot
> of real-world problems really do end up being fairly limited by Amdahl.
>
> So you'll find me often talking up single-core performance,
> and I absolutely despise the "flock of chickens" machines.
>
> But realistically, Zen 2 is clearly in the "good enough" territory for anything I do on that front.
> It will open that huge pdf file without me twiddling my thumbs, even when that's almost entirely
> single-threaded. And once something performs well enough, all that I really do is build the kernel.
> Which is actually ludicrously well parallelized - more so than most other projects are.
>
> So I think single-thread performance is king, but I also know that the only thing I personally do
> doesn't really care all that deeply. We've got a couple of link stages and a few other serialized parts,
> but the really expensive parts when I do a full re-build can easily use hundreds of cores.
>
> I just don't think that because I can use hundreds of cores that that
> is necessarily a good fit for a lot of other real-life problems.
>
> From a performance standpoint I could easily use server-class machines (or something like Threadripper).
> Or even a farm. It's just that I also want it to be quiet and a convenient form factor, and easily
> available. If I can't buy the parts at the local Fry's or with two-day shipping off Amazon, I'm
> just not interested. You can keep your bespoke stuff. I believe in mass market.

You could have quiet workstation level computer, and form factor convenience well it depends on definition.
I think you are the one person who could just make a public request and some hw manufacturer would actually deliver you exactly what you want just for the PR for their workstation and server parts. And youtube techenthuasts would actually find what is optimal configuration.
And if you want off the self parts level1techs would test everything and find most silent configuration with largest threadripper. And if you want passively cooled workstation system that normal people couldn't get Linustechtips could actually get that done with only cooling solution being not off the self parts. I'm pretty certain that if you ask publicly in this forum there would be competition by youtubers at next gen threadripper launch to create a system that would fit your requirements, they would get sponsors for the hardware, and have it to shipped to you. And hopefully some of manufacturers of passive cooling systems, would actually expand their line up just to get into that competition, if it would be announced early enough.
Because my needs are somewhat similar I'd actually like to see this happen, so when I replace my i7 920, I could pick some hints from the videos of those youtubers.
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EPYC SAP-SD 2-tier benchmark resultsMichael S2019/08/08 04:18 AM
  EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownMichael S2019/08/08 07:29 AM
    Wrong headline. Should be "SPECpower_ssj2008 - EPYC2 is in class of its own" (NT)Michael S2019/08/08 07:51 AM
    EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownAlberto2019/08/08 02:42 PM
      EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownblue2019/08/08 06:35 PM
      EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownMaynard Handley2019/08/08 07:58 PM
        EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownanon2019/08/09 01:00 AM
          EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownAlberto2019/08/09 02:09 AM
            EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownblue2019/08/09 07:47 AM
        EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownAlberto2019/08/09 01:12 AM
          EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownMaynard Handley2019/08/09 08:25 AM
            EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownDoug S2019/08/09 08:33 AM
              EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownanon2019/08/09 09:24 AM
            EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownAlberto2019/08/10 03:04 AM
          EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownanon.12019/08/09 04:30 PM
        EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownme2019/08/09 08:58 PM
      EPYC SAP-SD 2-tier benchmark results - EPYC2 is in class of its ownanon2019/08/08 11:47 PM
  EPYC SAP-SD 2-tier benchmark resultsLinus Torvalds2019/08/09 02:29 PM
    EPYC SAP-SD 2-tier benchmark resultsanon2019/08/10 06:20 AM
      EPYC SAP-SD 2-tier benchmark resultsme2019/08/10 06:36 AM
        EPYC SAP-SD 2-tier benchmark resultsanon2019/08/10 07:20 AM
          EPYC SAP-SD 2-tier benchmark resultsanon.12019/08/10 08:40 AM
            EPYC SAP-SD 2-tier benchmark resultsanon2019/08/10 09:38 AM
          EPYC SAP-SD 2-tier benchmark resultsblue2019/08/10 08:47 AM
        EPYC SAP-SD 2-tier benchmark resultsAdrian2019/08/10 09:43 AM
          EPYC SAP-SD 2-tier benchmark resultsme2019/08/10 10:06 AM
            EPYC SAP-SD 2-tier benchmark resultsMichael S2019/08/10 10:28 AM
    Big gotchas: poor specsjohn2019/08/10 09:54 AM
      Big gotchas: poor specsme2019/08/10 10:04 AM
      Big gotchas: poor specsanon2019/08/10 10:25 AM
        Big gotchas: poor specsLinus Torvalds2019/08/10 11:13 AM
          Big gotchas: poor specsanon2019/08/10 12:58 PM
          Big gotchas: poor caches2019/08/12 12:51 AM
            Big gotchas: poor caches2019/08/12 12:59 AM
            Big gotchas: poor cachesTravis Downs2019/08/12 08:15 AM
              parallelism vs. efficiencyhobold2019/08/13 03:43 AM
            Big gotchas: poor cachesAndy N2019/08/12 05:45 PM
              Big gotchas: poor cachesanon2019/08/12 11:43 PM
          Big gotchas: poor specsJouni Osmala2019/08/12 09:18 PM
            Big gotchas: poor specsAdrian2019/08/12 10:58 PM
              Kernel compile 25-30s, noise 25-27dBJouni Osmala2019/08/13 03:00 AM
                Quiet and fast workstationsGian-Carlo Pascutto2019/08/13 05:00 AM
                  Quiet and fast workstationsAdrian2019/08/13 06:01 AM
                  Quiet and fast workstationsDavid Hess2019/08/13 12:51 PM
                    Quiet and fast workstationsGian-Carlo Pascutto2019/08/13 11:43 PM
                      Quiet and fast workstationsMichael S2019/08/14 01:09 AM
                        Quiet and fast workstationsGian-Carlo Pascutto2019/08/14 01:59 AM
                          Quiet and fast workstationsDavid Hess2019/08/14 05:05 PM
                        Quiet and fast workstationsDavid Hess2019/08/14 04:56 PM
                      Quiet and fast workstationsDavid Hess2019/08/14 05:30 PM
                  Passively cooled threadripper/xeon WJouni Osmala2019/08/15 02:12 AM
                    Passively cooled threadripper/xeon WAdrian2019/08/15 02:47 AM
                      Passively cooled threadripper/xeon WJouni Osmala2019/08/15 04:58 AM
                        Passively cooled threadripper/xeon WAdrian2019/08/15 11:12 PM
                          Passively cooled threadripper/xeon WAdrian2019/08/15 11:21 PM
                          Passively cooled threadripper/xeon WJouni osmala2019/08/16 08:46 AM
                            Passively cooled threadripper/xeon WGroo2019/08/16 11:07 AM
                Kernel compile 25-30s, noise 25-27dBAdrian2019/08/13 05:39 AM
                Kernel compile 25-30s, noise 25-27dBLinus Torvalds2019/08/13 11:12 AM
                  which graphics card?anonymous22019/08/13 11:52 AM
                    which graphics card?Linus Torvalds2019/08/13 12:12 PM
                  Kernel compile 25-30s, noise 25-27dBDoug S2019/08/13 02:22 PM
                    Kernel compile 25-30s, noise 25-27dBDavid Hess2019/08/14 05:38 PM
                  Kernel compile 25-30s, noise 25-27dBJouni Osmala2019/08/13 11:09 PM
                    AIOsGroo2019/08/14 06:19 AM
                      AIOsGian-Carlo Pascutto2019/08/14 07:52 AM
                        AIOsGroo2019/08/14 08:49 AM
                      AIOsBrett2019/08/14 01:02 PM
                    Kernel compile 25-30s, noise 25-27dBLinus Torvalds2019/08/14 10:10 AM
                  Kernel compile 25-30s, noise 25-27dBGian-Carlo Pascutto2019/08/14 12:33 AM
                    Kernel compile 25-30s, noise 25-27dBAdrian2019/08/14 04:06 AM
                      Kernel compile 25-30s, noise 25-27dBGian-Carlo Pascutto2019/08/14 08:01 AM
                      AMD Bios, etc..Anon2019/08/14 10:39 PM
                        AMD Bios, etc..hobold2019/08/15 06:10 AM
                          AMD Bios, etc..Anon2019/08/15 03:20 PM
                        AMD Bios, etc..Jan Olšan2019/08/15 07:49 AM
                          AMD Bios, etc..Adrian2019/08/15 08:16 AM
                          AMD Bios, etc..Gro2019/08/15 09:57 AM
                        AMD Bios, etc..David Hess2019/08/16 04:39 AM
      Big gotchas: poor specsAdrian2019/08/10 12:28 PM
      Big gotchas: poor specsDummond D. Slow2019/08/10 12:57 PM
        Big gotchas: poor specsanon22019/08/10 11:33 PM
          Big gotchas: poor specsblue2019/08/10 11:57 PM
          Big gotchas: poor specsAdrian2019/08/11 04:41 AM
            Big gotchas: poor specsaaron spink2019/08/12 08:45 AM
              Big gotchas: poor specsFoo_2019/08/12 10:02 AM
              Big gotchas: poor specsTravis Downs2019/08/12 10:26 AM
                Big gotchas: poor specsGabriele Svelto2019/08/13 08:48 AM
                Big gotchas: poor specsaaron spink2019/08/13 06:23 PM
                  Big gotchas: poor specsDoug S2019/08/13 10:15 PM
                    Big gotchas: poor specsGian-Carlo Pascutto2019/08/14 12:35 AM
                    Big gotchas: poor specsaaron spink2019/08/15 04:16 PM
                      Big gotchas: poor specsJouni Osmala2019/08/15 08:03 PM
                        Big gotchas: poor specsaaron spink2019/08/19 03:05 AM
                          Big gotchas: poor specsMichael S2019/08/19 03:37 AM
                            Big gotchas: poor specsRicardo B2019/08/19 04:40 PM
                              Big gotchas: poor specsAaron Spink2019/08/25 01:29 AM
              Big gotchas: poor specsAdrian2019/08/12 10:31 AM
              Big gotchas: poor specsJukka Larja2019/08/13 06:37 AM
              Big gotchas: poor specsLinus Torvalds2019/08/13 10:31 AM
          Big gotchas: poor specsDummond D. Slow2019/08/11 05:23 AM
      FX-9590 > i7-9700KGian-Carlo Pascutto2019/08/12 09:37 AM
    RDRAND issueanonymou52019/08/10 01:52 PM
      RDRAND issueLinus Torvalds2019/08/10 03:15 PM
        RDRAND issueGionatan Danti2019/08/11 12:35 AM
          RDRAND issueLinus Torvalds2019/08/11 09:43 AM
            RDRAND issueLinus Torvalds2019/08/11 10:05 AM
              RDRAND issue@never_released2019/08/11 10:10 AM
                RDRAND issueLinus Torvalds2019/08/11 12:13 PM
                  Err....Groo2019/08/11 05:47 PM
                    Err.... This is a zero content fud posteye roll2019/08/11 07:48 PM
                    Err....Brendan2019/08/11 07:50 PM
                    Err....Jukka Larja2019/08/12 06:38 AM
                  RDRAND issueJose2019/08/12 01:33 AM
              RDRAND issueGionatan Danti2019/08/11 01:12 PM
            RDRAND issueaaron spink2019/08/12 08:18 AM
      RDRAND issuename2019/08/11 08:35 AM
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