Enough with the idiocy ... let's have proper ECC again.

By: Björn Ragnar Björnsson (bjorn.ragnar.delete@this.gmail.com), December 19, 2020 4:35 pm
Room: Moderated Discussions
Wes Felter (wmf.delete@this.felter.org) on December 18, 2020 9:38 pm wrote:
> Björn Ragnar Björnsson (bjorn.ragnar.delete@this.gmail.com) on December 16, 2020 10:09 pm wrote:
>
> > This in-line ECC appears to be a colossal kludge, presented as
> > a feature, to solve a problem that never should have existed.
>
> I don't think in-band ECC has much to do with Intel's price discrimination around ECC. On a DDR4
> memory channel you add a 9th DRAM chip for ECC. On an LPDDR4 channel based on x16 or x32 DRAMs...
> you can't just add another chip. I guess there's a parallel universe where LPDDR4 was defined
> as 36-bit or 40-bit wide but it's too late for that now. I also suspect that if Intel had never
> skimped on ECC some other company would have eventually started the race to the bottom.

Just so we are clear, I have never suggested this in-band ECC is any sort of price discrimination by Intel.

The origins of why we don't have general availability of fast, cheap ECC memory more or less across the board lie roughly three decades in the past. And I'm pretty sure that Intel's technical/marketing decisions are responsible for this deplorable state which at a guess 99.8% of computer users is unaware of.
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TopicPosted ByDate
In-band ECC support in recent Atom SoCsGabriele Svelto2020/12/15 03:24 PM
  In-band ECC support in recent Atom SoCsanon2020/12/15 05:40 PM
  In-band ECC support in recent Atom SoCsanon32020/12/15 07:07 PM
  In-band ECC support in recent Atom SoCsEtienne Lorrain2020/12/16 01:48 AM
    In-band ECC support in recent Atom SoCsAdrian2020/12/16 07:43 AM
      ECC in SoCsKonrad Schwarz2020/12/17 07:37 AM
        ECC in SoCsAdrian2020/12/17 08:43 AM
          ECC in SoCsMichael S2020/12/17 12:06 PM
  In-band ECC support in recent Atom SoCs & Tiger Lake UAdrian2020/12/16 07:31 AM
    In-band ECC support in recent Atom SoCs & Tiger Lake UJS2020/12/16 09:07 PM
      In-band ECC support in recent Atom SoCs & Tiger Lake UGabriele Svelto2020/12/16 10:00 PM
        In-band ECC support in recent Atom SoCs & Tiger Lake UJS2020/12/17 12:39 AM
          In-band ECC support in recent Atom SoCs & Tiger Lake UEtienne Lorrain2020/12/17 02:15 AM
            In-band ECC support in recent Atom SoCs & Tiger Lake UJames2020/12/17 07:28 AM
              In-band ECC support in recent Atom SoCs & Tiger Lake UEtienne Lorrain2020/12/17 09:16 AM
                In-band ECC support in recent Atom SoCs & Tiger Lake Urwessel2020/12/17 09:51 AM
                  In-band ECC support in recent Atom SoCs & Tiger Lake UMichael S2020/12/17 12:22 PM
    Enough with the idiocy ... let's have proper ECC again.Björn Ragnar Björnsson2020/12/16 10:09 PM
      Enough with the idiocy ... let's have proper ECC again.Maxwell2020/12/17 12:58 AM
        Enough with the idiocy ... let's have proper ECC again.pixiespeed2020/12/17 09:04 AM
      Enough with the idiocy ... let's have proper ECC again.Adrian2020/12/17 07:40 AM
      Enough with the idiocy ... let's have proper ECC again.Maynard Handley2020/12/17 09:09 AM
        Enough with the idiocy ... let's have proper ECC again.Etienne Lorrain2020/12/17 09:26 AM
          Enough with the idiocy ... let's have proper ECC again.Maynard Handley2020/12/17 09:42 AM
            Enough with the idiocy ... let's have proper ECC again.David Kanter2020/12/17 12:04 PM
              Enough with the idiocy ... let's have proper ECC again.Doug S2020/12/17 01:03 PM
              Enough with the idiocy ... let's have proper ECC again.phonon2020/12/17 03:25 PM
                Internal array ECC vs. memory controllerDavid Kanter2020/12/19 10:39 AM
                  Internal array ECC vs. memory controllerJörn Engel2020/12/20 10:42 AM
                    Internal array ECC vs. memory controllerrwessel2020/12/20 10:52 AM
                    Internal array ECC vs. memory controllerDavid Kanter2020/12/20 03:44 PM
              Enough with the idiocy ... let's have proper ECC again.Maynard Handley2020/12/17 04:55 PM
                Enough with the idiocy ... let's have proper ECC again.rwessel2020/12/17 07:34 PM
                  Enough with the idiocy ... let's have proper ECC again.Maynard Handley2020/12/17 09:10 PM
                    Enough with the idiocy ... let's have proper ECC again.Maynard Handley2020/12/17 09:43 PM
                      Enough with the idiocy ... let's have proper ECC again.Maynard Handley2020/12/18 09:30 AM
                        Enough with the idiocy ... let's have proper ECC again.anon22020/12/19 01:00 AM
                          Enough with the idiocy ... let's have proper ECC again.Maynard Handley2020/12/19 10:23 AM
                            Enough with the idiocy ... let's have proper ECC again.anon22020/12/19 03:01 PM
                              Enough with the idiocy ... let's have proper ECC again.Maynard Handley2020/12/19 04:23 PM
                                Enough with the idiocy ... let's have proper ECC again.anon22020/12/19 04:30 PM
              Enough with the idiocy ... let's have proper ECC again.Björn Ragnar Björnsson2020/12/17 07:41 PM
                Enough with the idiocy ... let's have proper ECC again.David Hess2020/12/19 08:48 PM
              Enough with the idiocy ... let's have proper ECC again.Memory Guy2020/12/17 09:19 PM
      Enough with the idiocy ... let's have proper ECC again.rwessel2020/12/17 10:01 AM
      Enough with the idiocy ... let's have proper ECC again.Wes Felter2020/12/18 09:38 PM
        Thanks for the confirmation!David Kanter2020/12/19 11:51 AM
          Thanks for the confirmation!Konrad Schwarz2020/12/20 09:34 AM
            Thanks for the confirmation!Niels Jørgen Kruse2020/12/20 11:01 AM
              Thanks for the confirmation!David Kanter2020/12/20 03:45 PM
              Thanks for the confirmation!Gionatan Danti2020/12/21 12:50 AM
                Thanks for the confirmation!Niels Jørgen Kruse2020/12/21 09:07 AM
            Thanks for the confirmation!David Kanter2020/12/20 03:42 PM
              Thanks for the confirmation!Foo_2020/12/21 02:01 AM
                Thanks for the confirmation!David Kanter2020/12/21 08:39 AM
            Thanks for the confirmation!Paul2020/12/20 11:29 PM
              Thanks for the confirmation!Michael S2020/12/21 01:00 AM
                Thanks for the confirmation!anon20202020/12/21 01:44 AM
                Thanks for the confirmation!Paul2020/12/22 12:42 PM
                  Thanks for the confirmation!Michael S2020/12/22 02:28 PM
                    Thanks for the confirmation!Paul2020/12/22 06:12 PM
                      Thanks for the confirmation!Michael S2020/12/23 02:55 PM
                        Thanks for the confirmation!Paul2020/12/23 03:54 PM
                          Thanks for the confirmation!Dan Fay2020/12/23 04:38 PM
                            Thanks for the confirmation!Paul2020/12/26 04:10 AM
                              Thanks for the confirmation!Björn Ragnar Björnsson2020/12/26 08:37 PM
                                Thanks for the confirmation!anon22020/12/27 02:00 AM
                                Thanks for the confirmation!Doug S2020/12/28 12:47 PM
            Thanks for the confirmation!David Hess2020/12/21 06:35 PM
              Thanks for the confirmation!Konrad Schwarz2020/12/22 12:08 AM
                Thanks for the confirmation!Doug S2020/12/22 10:42 AM
                  Thanks for the confirmation!David Hess2020/12/22 12:32 PM
                Thanks for the confirmation!David Hess2020/12/22 12:21 PM
        Enough with the idiocy ... let's have proper ECC again.Björn Ragnar Björnsson2020/12/19 04:25 PM
          Enough with the idiocy ... let's have proper ECC again.Brett2020/12/19 08:13 PM
            Enough with the idiocy ... let's have proper ECC again.David Hess2020/12/19 09:17 PM
              Enough with the idiocy ... let's have proper ECC again.Konrad Schwarz2020/12/21 03:29 AM
                Enough with the idiocy ... let's have proper ECC again.David Hess2020/12/21 06:49 PM
            Enough with the idiocy ... let's have proper ECC again.Björn Ragnar Björnsson2020/12/19 09:57 PM
              Enough with the idiocy ... let's have proper ECC again.Björn Ragnar Björnsson2020/12/19 10:14 PM
            Enough with the idiocy ... let's have proper ECC again.Adrian2020/12/20 02:06 AM
              Enough with the idiocy ... let's have proper ECC again.rwessel2020/12/20 08:43 AM
             Multi-level DRAM?Brett2020/12/20 08:07 PM
               Multi-level DRAM?Heikki Kultala2020/12/21 11:58 AM
               Multi-level DRAM?David Hess2020/12/21 07:25 PM
                 Multi-level DRAM?Adrian2020/12/22 05:15 AM
                   Multi-level DRAM?Dan Fay2020/12/22 10:11 AM
                     Multi-level DRAM?Paul2020/12/22 06:01 PM
                       Multi-level DRAM?Dan Fay2020/12/23 12:29 PM
                         Multi-level DRAM?Paul2020/12/23 01:00 PM
                           Multi-level DRAM?Dan Fay2020/12/23 04:30 PM
                             Multi-level DRAM?David Hess2020/12/23 05:05 PM
                           Multi-level DRAM?Björn Ragnar Björnsson2020/12/25 06:44 PM
                             Multi-level DRAM?Paul2020/12/26 04:04 AM
                               Multi-level DRAM?Michael S2020/12/26 08:11 AM
                                 DIMM binsPaul2020/12/26 08:55 AM
                                   DIMM binsBjörn Ragnar Björnsson2020/12/26 08:09 PM
                                     DIMM binsBjörn Ragnar Björnsson2020/12/26 08:19 PM
                                       DIMM binsDaniel Fay2020/12/27 07:51 PM
                                  Is binning at the module or die level? (NT)anonymous22020/12/27 02:36 PM
                                    Is binning at the module or die level?David Hess2020/12/28 01:31 PM
                               Multi-level DRAM?Doug S2020/12/28 12:55 PM
                               Multi-level DRAM?David Hess2020/12/28 01:36 PM
                             Multi-level DRAM?anon­­32020/12/26 10:22 PM
                               Multi-level DRAM?Björn Ragnar Björnsson2020/12/27 07:12 PM
                               Multi-level DRAM?Paul2021/01/04 04:20 AM
               Multi-level DRAM?Carson2021/01/05 12:14 PM
                 Multi-level DRAM?Brett2021/01/05 02:05 PM
        Enough with the idiocy ... let's have proper ECC again.Björn Ragnar Björnsson2020/12/19 04:35 PM
        Enough with the idiocy ... let's have proper ECC again.David Hess2020/12/19 08:59 PM
          Enough with the idiocy ... let's have proper ECC again.rwessel2020/12/20 08:56 AM
          Enough with the idiocy ... let's have proper ECC again.Doug S2020/12/20 10:16 AM
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