Maybe SQL was the better example for general purpose machines

By: wumpus (wumpus.delete@this.lost.in.a.hole), March 22, 2021 7:33 am
Room: Moderated Discussions
Linus Torvalds (torvalds.delete@this.linux-foundation.org) on March 21, 2021 2:38 pm wrote:
> wumpus (wumpus.delete.delete@this.this.lost.in.a.hole) on March 21, 2021 12:24 pm wrote:
> >
> > Your best (only) bet would be to forget about a new architecture for general purpose programming
> > and try to optimize some niche with a market big enough to support it. Best guess is machine learning,
>
> I think that's true, but it's a bit of a cop-out. It's not replacing - or even really
> modifying - the core CPU architecture, it's just adding logic on the side.
>
The idea was that the the "next architecture" would be a general purpose processor. But on second thought, the idea of any "next general purpose processor" outcompeting GPUs and even more specifically designed chips appears impossible (and I admitted it would wind up being customized specifically for ML).

My "or possibly SQL" was originally a throwaway statement to point out that there was nothing specific to ML other than a wide open market. But SQL doesn't appear to have better accelerators than a strong general purpose processor, and a huge number of expensive computers are bought to run nothing (significantly) else. So if you made a sufficiently superior general purpose processor, your clear market should be databases in general and SQL in particular.

I'm more or less blanking on anything else that is small enough to build enough of "everything else" and big enough to support an architecture.

So my suggestion is perhaps it isn't necessary to replace all at once the trillion dollars of infrastructure that goes into more or less general purpose processors designed to execute sequential code. Perhaps all you need is to get your "next generation processor" to significantly improve the performance of SQL and get it in the server room/datacenter.

It would almost be the inverse of your "key for ARM on the desktop": start with servers and let developers use retired servers as development/experimental boxes, but it is means of getting a "blue sky" architecture from concept to total world domination. You don't have to be everything to everyone for anything but the dominant architecture. But you have to give enough people enough reason to jump ship to keep an architecture going.
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What are your ideas for a radically different CPU ISA + physical Arch?Moritz2021/03/20 04:21 AM
  What are your ideas for a radically different CPU ISA + physical Arch?Stanislav Shwartsman2021/03/20 05:22 AM
    I like the analysis of current arch presentedMoritz2021/03/20 09:13 AM
    Did you read this old article?Michael S2021/03/21 01:12 AM
  Deliver programs in IRHugo Décharnes2021/03/20 06:34 AM
    Java bytecode and Wasm exist, why invent something else? (NT)Foo_2021/03/20 07:01 AM
      Java bytecode and Wasm exist, why invent something else?Hugo Décharnes2021/03/20 07:55 AM
        Java bytecode and Wasm exist, why invent something else?Foo_2021/03/20 09:50 AM
          Java bytecode and Wasm exist, why invent something else?Hugo Décharnes2021/03/20 11:40 AM
            Java bytecode and Wasm exist, why invent something else?Foo_2021/03/20 03:54 PM
              It's called source code, no?anonymou52021/03/20 11:43 PM
                It's called source code, no?Foo_2021/03/21 04:07 AM
                Thoughts on software distribution formatsPaul A. Clayton2021/03/22 12:45 PM
    Deliver programs in IRJames2021/03/20 10:24 AM
      Deliver programs in IRHugo Décharnes2021/03/20 11:28 AM
        Deliver programs in IRHugo Décharnes2021/03/20 11:36 AM
    Deliver programs in IRLinus Torvalds2021/03/20 12:20 PM
      Deliver programs in IRHugo Décharnes2021/03/20 12:51 PM
      I'd like to be able to NOT specify order for some things ...Mark Roulo2021/03/20 04:49 PM
        I'd like to be able to NOT specify order for some things ...Jukka Larja2021/03/20 11:26 PM
          NOT (unintentionally) specify orderMoritz2021/03/21 05:00 AM
            NOT (unintentionally) specify orderJukka Larja2021/03/22 06:11 AM
              NOT (unintentionally) specify orderMoritz2021/03/22 11:40 AM
                NOT (unintentionally) specify orderJukka Larja2021/03/23 05:26 AM
          I'd like to be able to NOT specify order for some things ...Mark Roulo2021/03/21 08:47 AM
            I'd like to be able to NOT specify order for some things ...Victor Alander2021/03/21 04:14 PM
      Next architecture will start with MLwumpus2021/03/21 11:24 AM
        Next architecture will start with MLLinus Torvalds2021/03/21 01:38 PM
          Maybe SQL was the better example for general purpose machineswumpus2021/03/22 07:33 AM
            Maybe SQL was the better example for general purpose machinesanon2021/03/22 08:10 AM
        Next architecture will start with MLML will move to PIM2021/03/22 02:51 AM
    Deliver programs in IRanon2021/03/21 02:22 AM
      Deliver programs in IRanon22021/03/21 03:52 AM
        Deliver programs in IRrwessel2021/03/21 04:05 AM
          Deliver programs in IRanon22021/03/21 06:08 PM
            Deliver programs in IRrwessel2021/03/21 09:47 PM
              Deliver programs in IRdmcq2021/03/22 03:33 AM
                Deliver programs in IRrwessel2021/03/22 05:27 AM
  What are your ideas for a radically different CPU ISA + physical Arch?Veedrac2021/03/20 10:27 AM
    Cray MTAanon2021/03/20 05:04 PM
      Cray MTAChester2021/03/20 06:54 PM
        Cray MTAVeedrac2021/03/21 12:33 AM
          Cray MTAnoone2021/03/21 08:15 AM
            Cray MTAVeedrac2021/03/21 09:54 AM
    monolithic 3Dwumpus2021/03/21 11:50 AM
  What are your ideas for a radically different CPU ISA + physical Arch?Anon2021/03/20 11:06 PM
  What are your ideas for a radically different CPU ISA + physical Arch?rwessel2021/03/21 04:02 AM
  What are your ideas for a radically different CPU ISA + physical Arch?juanrga2021/03/21 04:46 AM
  Summery so farMoritz2021/03/21 08:45 AM
    Summery so farrwessel2021/03/21 10:23 AM
      not staticMoritz2021/03/26 09:12 AM
        Dynamic meta instruction encoding for instruction window compressionMoritz2021/03/28 02:28 AM
          redistributing the work between static compiler, dynamic compiler, CPUMoritz2021/04/05 02:21 AM
            redistributing the work between static compiler, dynamic compiler, CPUdmcq2021/04/05 08:27 AM
    Summery so farAnon2021/03/21 07:53 PM
  What are your ideas for a radically different CPU ISA + physical Arch?blaine2021/03/21 09:10 AM
    What are your ideas for a radically different CPU ISA + physical Arch?rwessel2021/03/21 10:26 AM
      What are your ideas for a radically different CPU ISA + physical Arch?rwessel2021/03/21 10:34 AM
        What are your ideas for a radically different CPU ISA + physical Arch?blaine2021/03/21 11:55 AM
          What are your ideas for a radically different CPU ISA + physical Arch?rwessel2021/03/21 12:31 PM
      What are your ideas for a radically different CPU ISA + physical Arch?gallier22021/03/21 11:49 PM
  What are your ideas for a radically different CPU ISA + physical Arch?dmcq2021/03/21 02:50 PM
  Microthread/low IPCEtienne Lorrain2021/03/22 02:22 AM
    Microthread/low IPCdmcq2021/03/22 03:24 AM
      Microthread/low IPCEtienne Lorrain2021/03/22 05:10 AM
        Microthread/low IPCdmcq2021/03/22 07:24 AM
    Microthread/low IPCdmcq2021/03/22 03:53 AM
      Microthread/low IPCEtienne Lorrain2021/03/22 04:46 AM
      Microthread/low IPCAnon2021/03/22 04:47 AM
    Microthread/low IPCHeikki Kultala2021/03/22 04:47 PM
      Microthread/low IPCEtienne Lorrain2021/03/23 02:36 AM
        Microthread/low IPCNyan2021/03/24 02:00 AM
          Microthread/low IPCEtienne Lorrain2021/03/24 03:23 AM
      Microthread/low IPCAnon2021/03/23 07:16 AM
        Microthread/low IPCgai2021/03/23 08:37 AM
          Microthread/low IPCAnon2021/03/23 09:17 AM
            Microthread/low IPCdmcq2021/03/23 11:42 AM
  Have you looked at "The Mill CPU" project? (nt)Anon C2021/03/22 05:21 AM
    Have you looked at "The Mill CPU" project? (nt)Moritz2021/03/22 11:13 AM
      Have you looked at "The Mill CPU" project? (nt)Andrew Clough2021/03/22 03:27 PM
        The Mill = vaporwareRichardC2021/03/23 11:47 AM
          The Mill = vaporwareMichael S2021/03/23 12:58 PM
          The Mill = vaporwareCarson2021/03/23 05:17 PM
          The Mill = doomed but interestingAndrew Clough2021/03/24 07:06 AM
            Solution in search of a problemwumpus2021/03/24 07:52 AM
              Solution in search of a problemdmcq2021/03/24 09:22 AM
          never-ware != vaporware (at least in connotation)Paul A. Clayton2021/03/24 09:37 AM
  What are your ideas for a radically different CPU ISA + physical Arch?anonini2021/03/22 07:28 AM
    microcode that can combine instructionMoritz2021/03/22 11:26 AM
  What are your ideas for a radically different CPU ISA + physical Arch?anony2021/03/22 09:16 AM
    Totally clueless.Heikki Kultala2021/03/22 04:53 PM
  Hierarchical instruction setHeikki Kultala2021/03/22 05:52 PM
    Hierarchical instruction setVeedrac2021/03/23 02:49 AM
      Hierarchical instruction setHeikki Kultala2021/03/23 05:46 AM
        Hierarchical instruction setEtienne Lorrain2021/03/23 06:16 AM
          microthreads on OS call/exceptionHeikki Kultala2021/03/23 06:34 AM
        Hierarchical instruction setVeedrac2021/03/23 08:31 AM
          Hierarchical instruction setEtienne Lorrain2021/03/24 12:13 AM
            Hierarchical instruction setVeedrac2021/03/24 06:11 AM
    Hierarchical instruction setAnon2021/03/23 07:39 AM
  What are your ideas for a radically different CPU ISA + physical Arch?Paul A. Clayton2021/03/26 07:21 AM
    What are your ideas for a radically different CPU ISA + physical Arch?wumpus2021/03/26 08:45 AM
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