Yitian 710

By: Rayla (rayla.delete@this.example.com), October 21, 2021 5:52 am
Room: Moderated Discussions
Wilco (wilco.dijkstra.delete@this.ntlworld.com) on October 21, 2021 3:47 am wrote:
> anonymous2 (anonymous2.delete@this.example.com) on October 20, 2021 8:57 pm wrote:
> > https://www.alibabacloud.com/press-room/alibaba-cloud-unveils-new-server-chips-to-optimize-cloud-computing-services
> >
> > Built upon advanced 5nm process technology, Yitian 710 is
> > powered by 128 Arm cores with 3.2GHz top clock speed
> > to deliver exceptional performance and excellent energy efficiency.
> > Each processor chip has 60 billion integrated
> > transistors. Yitian 710 is the first server processor that is compatible with the latest Armv9 architecture
> > and includes 8 DDR5 channels and 96-lane PCIe 5.0, providing high memory and I/O bandwidth.
>
> And it achieves ~55% higher SPECINT_rate than both Altra Max and
> EPYC 7763 - a huge leap in per-socket and per-core performance!
>
> Wilco

Against actual SPEC submissions, it only beats plain-old 80-core Altra by less than 50%. That's not great, considering it has 60% more cores, and makes me wonder what the heck microarchitecture it's using; is this just a severely LLC-starved N2, or is this a custom core?

https://spec.org/cpu2017/results/res2021q3/cpu2017-20210811-28661.html
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Yitian 710 anonymous22021/10/20 08:57 PM
  Yitian 710 Adrian2021/10/21 12:20 AM
  Yitian 710 Wilco2021/10/21 03:47 AM
    Yitian 710 Rayla2021/10/21 05:52 AM
      Yitian 710 Wilco2021/10/21 11:59 AM
        Yitian 710 anon22021/10/21 05:16 PM
        Yitian 710 Wilco2022/07/16 12:21 PM
          Yitian 710 Anon2022/07/16 08:22 PM
            Yitian 710 Rayla2022/07/17 09:10 AM
              Yitian 710 Anon2022/07/17 12:04 PM
                Yitian 710 Rayla2022/07/17 12:08 PM
                  Yitian 710 Wilco2022/07/17 01:16 PM
                    Yitian 710 Anon2022/07/17 01:32 PM
                      Yitian 710 Wilco2022/07/17 02:22 PM
                        Yitian 710 Anon2022/07/17 02:47 PM
                          Yitian 710 Wilco2022/07/17 03:50 PM
                            Yitian 710 Anon2022/07/17 08:46 PM
                              Yitian 710 Wilco2022/07/18 03:01 AM
                                Yitian 710 Anon2022/07/19 11:21 AM
                                  Yitian 710 Wilco2022/07/19 06:15 PM
                                    Yitian 710 Anon2022/07/21 01:25 AM
                                      Yitian 710 none2022/07/21 01:49 AM
                                        Yitian 710 Anon2022/07/21 03:03 AM
                                          Yitian 710 none2022/07/21 04:34 AM
                                      Yitian 710 James2022/07/21 02:29 AM
                                        Yitian 710 Anon2022/07/21 03:05 AM
                                      Yitian 710 Wilco2022/07/21 04:31 AM
                                        Yitian 710 Anon2022/07/21 05:17 AM
                                          Yitian 710 Wilco2022/07/21 05:33 AM
                                            Yitian 710 Anon2022/07/21 05:50 AM
                                              Yitian 710 Wilco2022/07/21 06:07 AM
                                                Yitian 710 Anon2022/07/21 06:20 AM
                                                  Yitian 710 Wilco2022/07/21 10:02 AM
                                                    Yitian 710 Anon2022/07/21 10:22 AM
                    Yitian 710 Adrian2022/07/17 11:09 PM
                      Yitian 710 Wilco2022/07/18 01:15 AM
                        Yitian 710 Adrian2022/07/18 02:35 AM
          Yitian 710 Adrian2022/07/16 11:19 PM
            Computations on Big IntegersBill G2022/07/25 10:06 PM
              Computations on Big Integersnone2022/07/25 11:35 PM
                x86 MUL 64x64 Eric Fink2022/07/26 01:06 AM
                  x86 MUL 64x64 Adrian2022/07/26 02:27 AM
                  x86 MUL 64x64 none2022/07/26 02:38 AM
                    x86 MUL 64x64 Jörn Engel2022/07/26 10:17 AM
                      x86 MUL 64x64 Linus Torvalds2022/07/27 10:13 AM
                        x86 MUL 64x64 2022/07/28 09:40 AM
                        x86 MUL 64x64 Jörn Engel2022/07/28 10:18 AM
                          More than 3 registers per instruction-.-2022/07/28 07:01 PM
                            More than 3 registers per instructionAnon2022/07/28 10:39 PM
                            More than 3 registers per instructionJörn Engel2022/07/28 10:42 PM
                              More than 3 registers per instruction-.-2022/07/29 04:31 AM
                Computations on Big IntegersBill G2022/07/26 01:40 AM
                  Computations on Big Integersnone2022/07/26 02:17 AM
                    Computations on Big IntegersBill G2022/07/26 03:52 AM
                    Computations on Big Integers---2022/07/26 09:57 AM
                  Computations on Big IntegersAdrian2022/07/26 02:53 AM
                    Computations on Big IntegersBill G2022/07/26 03:39 AM
                      Computations on Big IntegersAdrian2022/07/26 04:21 AM
                    Computations on Big Integers in Apple AMX UnitsBill G2022/07/26 04:28 AM
                      Computations on Big Integers in Apple AMX UnitsAdrian2022/07/26 05:13 AM
                        TypoAdrian2022/07/26 05:20 AM
                          IEEE binary64 is 53 bits rather than 52. (NT)Michael S2022/07/26 05:34 AM
                            IEEE binary64 is 53 bits rather than 52.Adrian2022/07/26 07:32 AM
                              IEEE binary64 is 53 bits rather than 52.Michael S2022/07/26 10:02 AM
                                IEEE binary64 is 53 bits rather than 52.Adrian2022/07/27 06:58 AM
                                  IEEE binary64 is 53 bits rather than 52.none2022/07/27 07:14 AM
                                    IEEE binary64 is 53 bits rather than 52.Adrian2022/07/27 07:55 AM
                                      Thanks a lot for the link to the article! (NT)none2022/07/27 08:09 AM
                          TypozArchJon2022/07/26 09:51 AM
                            TypoMichael S2022/07/26 10:25 AM
                              TypozArchJon2022/07/26 11:52 AM
                                TypoMichael S2022/07/26 01:02 PM
                    Computations on Big IntegersMichael S2022/07/26 05:55 AM
                      Computations on Big IntegersAdrian2022/07/26 07:59 AM
                        IFMA and DivisionBill G2022/07/26 04:25 PM
                          IFMA and Divisionrwessel2022/07/26 08:16 PM
                          IFMA and DivisionAdrian2022/07/27 07:25 AM
                      Computations on Big Integersnone2022/07/27 01:22 AM
                    Big integer multiplication with vector IFMABill G2022/07/29 01:06 AM
                      Big integer multiplication with vector IFMAAdrian2022/07/29 01:35 AM
                        Big integer multiplication with vector IFMA-.-2022/07/29 04:32 AM
                          Big integer multiplication with vector IFMAAdrian2022/07/29 09:47 PM
                            Big integer multiplication with vector IFMAAnon2022/07/30 08:12 AM
                              Big integer multiplication with vector IFMAAdrian2022/07/30 09:27 AM
                                AVX-512 unfriendly to heter-performance coresPaul A. Clayton2022/07/31 03:20 PM
                                  AVX-512 unfriendly to heter-performance coresAnon2022/07/31 03:33 PM
                                    AVX-512 unfriendly to heter-performance coresanonymou52022/07/31 05:03 PM
                                  AVX-512 unfriendly to heter-performance coresBrett2022/07/31 07:26 PM
                                  AVX-512 unfriendly to heter-performance coresAdrian2022/08/01 01:45 AM
                                    Why can't E-cores have narrow/slow AVX-512? (NT)anonymous22022/08/01 03:37 PM
                                      Why can't E-cores have narrow/slow AVX-512?Ivan2022/08/02 12:09 AM
                                        Why can't E-cores have narrow/slow AVX-512?anonymou52022/08/02 10:13 AM
                                        Why can't E-cores have narrow/slow AVX-512?Dummond D. Slow2022/08/02 03:02 PM
                                    AVX-512 unfriendly to heter-performance coresPaul A. Clayton2022/08/02 01:19 PM
                                      AVX-512 unfriendly to heter-performance coresAnon2022/08/02 09:09 PM
                                      AVX-512 unfriendly to heter-performance coresAdrian2022/08/03 12:50 AM
                                        AVX-512 unfriendly to heter-performance coresAnon2022/08/03 09:15 AM
                                          AVX-512 unfriendly to heter-performance cores-.-2022/08/03 08:17 PM
                                            AVX-512 unfriendly to heter-performance coresAnon2022/08/03 09:02 PM
                        IFMA: empty promises from Intel as usualKent R2022/07/29 07:15 PM
                          No hype lasts foreverAnon2022/07/30 08:06 AM
                        Big integer multiplication with vector IFMAme2022/07/30 09:15 AM
                Computations on Big Integers---2022/07/26 09:48 AM
                  Computations on Big Integersnone2022/07/27 01:10 AM
                    Computations on Big Integers---2022/07/28 11:43 AM
                      Computations on Big Integers---2022/07/28 06:44 PM
              Computations on Big Integersdmcq2022/07/26 02:27 PM
                Computations on Big IntegersAdrian2022/07/27 08:15 AM
                  Computations on Big IntegersBrett2022/07/27 11:07 AM
      Yitian 710 Wes Felter2021/10/21 12:51 PM
        Yitian 710 Adrian2021/10/21 01:25 PM
    Yitian 710 Anon2021/10/21 06:08 AM
      Strange definition of the word single. (NT)anon22021/10/21 05:00 PM
        AMD Epyc uses chiplets. This is why "strange"?Mark Roulo2021/10/21 05:08 PM
          AMD Epyc uses chiplets. This is why "strange"?anon22021/10/21 05:34 PM
            Yeah. Blame spec.org, too, though!Mark Roulo2021/10/21 05:58 PM
              Yeah. Blame spec.org, too, though!anon22021/10/21 08:07 PM
                Yeah. Blame spec.org, too, though!Björn Ragnar Björnsson2022/07/17 06:23 AM
              Yeah. Blame spec.org, too, though!Rayla2022/07/17 09:13 AM
                Yeah. Blame spec.org, too, though!Anon2022/07/17 12:01 PM
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