RISC-V inferior to ARMv8

By: juanrga (noemail.delete@this.juanrga.com), December 21, 2018 11:28 am
Room: Moderated Discussions
Travis Downs (travis.downs.delete@this.gmail.com) on December 20, 2018 2:18 pm wrote:
> I largely agree on ISA design - it's too simple for its own good when it
> comes to high-perf designs, but I think it all mostly doesn't matter.
>
> If RISC-V succeeds, it will be because it is free, both in $ terms
> and in the ability to use the designs and ISA royalty free.
>
> Price matters most at the ultra low-end of the market where speeds are usually measured in the single
> to triple-digit MHz. The mentioned differences might make 10% to 50% difference in performance,
> but these low-end designs already range by a factor of 10x in performance fairly easily.
>
> At this very low end the simplicity probably helps overall, even if it hurts performance.

Recent non-academic RISC-V cores as Maxion have performance similar to Cortex-A72 cores. And I find no reason why more powerful cores couldn't be released in future.
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TopicPosted ByDate
RISC-V Summit ProceedingsGabriele Svelto2018/12/19 09:36 AM
  RISC-V gut feelingsKonrad Schwarz2018/12/20 05:30 AM
    RISC-V inferior to ARMv8Heikki Kultala2018/12/20 08:36 AM
      RISC-V inferior to ARMv8Wilco2018/12/20 02:31 PM
        RISC-V inferior to ARMv8Travis Downs2018/12/20 03:18 PM
          RISC-V inferior to ARMv8Wilco2018/12/21 04:43 AM
            RISC-V inferior to ARMv8Ronald Maas2018/12/21 10:35 AM
          RISC-V inferior to ARMv8juanrga2018/12/21 11:28 AM
            RISC-V inferior to ARMv8Maynard Handley2018/12/21 03:39 PM
              RISC-V inferior to ARMv8anon2018/12/21 04:38 PM
                RISC-V inferior to ARMv8juanrga2018/12/23 05:39 AM
                  With similar logic nor do frequency (NT)Megol2018/12/23 10:45 AM
              RISC-V inferior to ARMv8juanrga2018/12/23 05:44 AM
                RISC-V inferior to ARMv8Wilco2018/12/23 07:21 AM
      RISC-V inferior to ARMv8Michael S2018/12/20 04:24 PM
        RISC-V inferior to ARMv8anon2018/12/20 05:22 PM
          RISC-V inferior to ARMv8Travis Downs2018/12/21 07:16 PM
            RISC-V inferior to ARMv8anon2018/12/22 04:53 AM
              Execution runtimes and SpectreFoo_2018/12/22 07:02 AM
        RISC-V inferior to ARMv8Adrian2018/12/20 09:51 PM
          RISC-V inferior to ARMv8Doug S2018/12/21 12:10 AM
            RISC-V inferior to ARMv8Adrian2018/12/21 12:38 AM
              RISC-V inferior to ARMv8Michael S2018/12/21 03:31 AM
                RISC-V inferior to ARMv8Adrian2018/12/21 04:23 AM
            RISC-V inferior to ARMv8random person2018/12/21 03:04 AM
              RISC-V inferior to ARMv8dmcq2018/12/21 05:27 AM
              RISC-V inferior to ARMv8juanrga2018/12/21 11:36 AM
              RISC-V inferior to ARMv8Doug S2018/12/21 01:02 PM
            RISC-V inferior to ARMv8juanrga2018/12/21 11:23 AM
          RISC-V inferior to ARMv8Adrian2018/12/21 12:21 AM
          RISC-V inferior to ARMv8anon2018/12/21 02:48 AM
            RISC-V inferior to ARMv8Adrian2018/12/21 04:44 AM
              RISC-V inferior to ARMv8anon2018/12/21 06:24 AM
            RISC-V inferior to ARMv8Adrian2018/12/21 05:09 AM
              RISC-V inferior to ARMv8Wilco2018/12/21 05:28 AM
          RISC-V inferior to ARMv8Michael S2018/12/21 03:27 AM
            RISC-V inferior to ARMv8Gabriele Svelto2018/12/21 02:09 PM
              RISC-V inferior to ARMv8Maynard Handley2018/12/21 03:58 PM
              RISC-V inferior to ARMv8Wilco2018/12/21 04:43 PM
                RISC-V inferior to ARMv8Travis Downs2018/12/21 06:45 PM
                  RISC-V inferior to ARMv8Wilco2018/12/22 05:37 AM
                    RISC-V inferior to ARMv8Travis Downs2018/12/22 07:54 AM
                      RISC-V inferior to ARMv8Wilco2018/12/22 11:32 AM
                Cracking is not freeGabriele Svelto2018/12/22 03:09 AM
                  Cracking is not freeWilco2018/12/22 05:32 AM
                    Cracking is not freeTravis Downs2018/12/22 08:07 AM
                      Cracking is not freeWilco2018/12/22 08:38 AM
                        Cracking is not freeTravis Downs2018/12/22 08:47 AM
                          Cracking is not freeWilco2018/12/22 11:24 AM
                            Cracking is not freeTravis Downs2018/12/25 04:41 PM
                              Cracking is not freeanon.12018/12/25 09:14 PM
                        multi-instruction decode and renamePaul A. Clayton2018/12/22 07:45 PM
                    Cracking is not freeGabriele Svelto2018/12/22 01:30 PM
                      Cracking is not freeWilco2018/12/23 07:48 AM
                      Cracking is not freeMichael S2018/12/23 09:09 AM
                        Cracking is not freeGabriele Svelto2018/12/26 03:53 PM
          RISC-V inferior to ARMv8rwessel2018/12/21 02:13 PM
          RISC-V inferior to ARMv8Seni2018/12/21 03:33 PM
            RISC-V inferior to ARMv8Wilco2018/12/21 04:33 PM
              RISC-V inferior to ARMv8Travis Downs2018/12/21 06:49 PM
                RISC-V inferior to ARMv8Wilco2018/12/22 05:58 AM
                  RISC-V inferior to ARMv8Travis Downs2018/12/22 08:03 AM
                    RISC-V inferior to ARMv8Wilco2018/12/22 08:22 AM
                      RISC-V inferior to ARMv8Travis Downs2018/12/22 08:40 AM
        RISC-V inferior to ARMv8dmcq2018/12/21 04:57 AM
      RISC-V inferior to ARMv8Konrad Schwarz2018/12/21 03:25 AM
      RISC-V inferior to ARMv8j2018/12/21 11:46 AM
        RISC-V inferior to ARMv8Travis Downs2018/12/21 07:08 PM
          RISC-V inferior to ARMv8dmcq2018/12/22 08:45 AM
            RISC-V inferior to ARMv8Travis Downs2018/12/22 08:50 AM
              RISC-V inferior to ARMv8Michael S2018/12/22 09:15 AM
                RISC-V inferior to ARMv8dmcq2018/12/22 11:41 AM
        RISC-V inferior to ARMv8AnonQ2018/12/22 09:13 AM
    RISC-V gut feelingsdmcq2018/12/20 08:41 AM
      RISC-V initial takeKonrad Schwarz2018/12/21 03:17 AM
        RISC-V initial takedmcq2018/12/21 04:23 AM
      RISC-V gut feelingsMontaray Jack2018/12/22 03:56 PM
        RISC-V gut feelingsdmcq2018/12/23 05:38 AM
  RISC-V Summit Proceedingsjuanrga2018/12/21 11:47 AM
    RISC-V Summit Proceedingsdmcq2018/12/22 07:21 AM
      RISC-V Summit ProceedingsMontaray Jack2018/12/22 03:03 PM
        RISC-V Summit Proceedingsdmcq2018/12/23 05:39 AM
  RISC-V Summit Proceedingsanon22018/12/21 11:57 AM
    RISC-V Summit ProceedingsMichael S2018/12/22 09:36 AM
      RISC-V Summit ProceedingsAnon2018/12/22 06:51 PM
      Not Stanford MIPS but commercial MIPSPaul A. Clayton2018/12/23 04:05 AM
        Not Stanford MIPS but commercial MIPSMichael S2018/12/23 04:49 AM
        Not Stanford MIPS but commercial MIPSdmcq2018/12/23 05:52 AM
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