KNL obsolete, AVX512 - a huge mistake

By: Anon (nope.delete@this.nope.com), August 26, 2015 12:23 am
Room: Moderated Discussions
juanrga (nospam.delete@this.juanrga.com) on August 25, 2015 6:01 pm wrote:
> Nvidia talk at ISC2015 was much more interesting. They compared two KNL CPUs against Power+CUDA using Amdahl's
> law. At 98% parallel the KNL was competitive. At 90% parallel work the KNL system was about two times slower than
> the Power+CUDA system: ~2 min vs 4.5 min. At 70% parallel work, the KNL system was more than 3x slower.
>
> Wider vector units and less cores had worked better.

KNL will still be available as a PCIe card- SKX & KNL combo systems are entirely feasible, for workloads that fit that paradigm.
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TopicPosted ByDate
KNL obsolete, AVX512 - a huge mistakeMichael S2015/08/25 01:58 PM
  KNL obsolete, AVX512 - a huge mistakeMark Roulo2015/08/25 03:10 PM
    KNL obsolete, AVX512 - a huge mistakeMichael S2015/08/25 03:23 PM
  KNL obsolete, AVX512 - a huge mistakejuanrga2015/08/25 05:01 PM
    KNL obsolete, AVX512 - a huge mistakeAnon2015/08/26 12:23 AM
      KNL obsolete, AVX512 - a huge mistakejuanrga2015/08/26 04:49 AM
        KNL obsolete, AVX512 - a huge mistakeAlberto2015/08/26 05:26 AM
          KNL obsolete, AVX512 - a huge mistakejuanrga2015/08/26 10:23 AM
            KNL obsolete, AVX512 - a huge mistakeAlberto2015/08/26 12:13 PM
    KNL obsolete, AVX512 - a huge mistakeAaron Spink2015/08/26 06:25 AM
      KNL obsolete, AVX512 - a huge mistakejuanrga2015/08/26 11:11 AM
  Core M vs Atom- well duhAnon2015/08/26 12:19 AM
    Core M vs Atom- well duhMichael S2015/08/26 01:59 AM
      Core M vs Atom- well duhAnon2015/08/26 02:37 AM
  KNL obsolete, AVX512 - a huge mistakebakaneko2015/08/26 02:44 AM
    KNL obsolete, AVX512 - a huge mistakeMichael S2015/08/26 03:23 AM
      KNL obsolete, AVX512 - a huge mistakebakaneko2015/08/26 04:01 AM
        KNL obsolete, AVX512 - a huge mistakeMichael S2015/08/26 04:13 AM
          KNL obsolete, AVX512 - a huge mistakebakaneko2015/08/26 05:00 AM
      KNL obsolete, AVX512 - a huge mistakeNoSpammer2015/08/26 05:33 AM
        KNL obsolete, AVX512 - a huge mistakeMichael S2015/08/26 05:43 AM
  KNL obsolete, AVX512 - a huge mistakempx2015/08/31 02:15 AM
  KNL obsolete, AVX512 - a huge mistakePassing Through2018/08/03 10:02 AM
  KNL obsolete, AVX512 - a huge mistakecoppice2018/08/04 03:34 AM
    KNL obsolete, AVX512 - a huge mistakePassing Through2018/08/04 05:58 AM
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