New Article: Compute Efficiency 2012

Article: Computational Efficiency for CPUs and GPUs in 2012
By: David Kanter (dkanter.delete@this.realworldtech.com), July 25, 2012 11:11 am
Room: Moderated Discussions
Adrian (a.delete@this.acm.org) on July 25, 2012 4:39 am wrote:
> David Kanter (dkanter.delete@this.realworldtech.com) on July 25, 2012 1:37 am
> wrote:
> > New computational efficiency data shows GPUs with a clear edge over
> CPUs, but
> > the gap is narrowing as CPUs adopt wide vectors (e.g. AVX).
> Surprisingly, a
> > throughput CPU is the most energy efficient processor,
> offering hope for future
> > architectures. Our data also shows some
> advantages of AMD's Bulldozer, and the
> > overhead associated with highly
> scalable server CPUs.
> >
> > Comments and feedback
> > welcome!
> >
>
> > David
>
> The value for Gflops/W that appears in your charts implies that
> the fastest NVIDIA Fermi cards @ 665 DP Gflops are 225 W PCI-E cards (not, e.g.,
> 300 W cards).
>
> Is that correct? I could not find any mention about their power
> consumption in the NVIDIA web site.

Yes, 225W is correct. If you look in some of their detailed spec sheets (PDF form), some of the older ones include power numbers.

Actually, one of my biggest concerns about the 2013 edition is that Nvidia won't publish any power numbers for Kepler...which means I cannot put them on the chart.

I was positively thrilled when I turned up that IBM systems paper that disclosed the POWER7 power dissipation.

David
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TopicPosted ByDate
New Article: Compute Efficiency 2012David Kanter2012/07/25 01:37 AM
  New Article: Compute Efficiency 2012SHK2012/07/25 02:31 AM
    New Article: Compute Efficiency 2012David Kanter2012/07/25 02:42 AM
  New Article: Compute Efficiency 2012none2012/07/25 03:18 AM
    New Article: Compute Efficiency 2012David Kanter2012/07/25 11:25 AM
  GCN (NT)EBFE2012/07/25 03:25 AM
    GCN - TFLOP DPjp2012/08/09 01:58 PM
      GCN - TFLOP DPDavid Kanter2012/08/09 03:32 PM
        GCN - TFLOP DPKevin G2012/08/11 05:22 PM
      GCN - TFLOP DPEric2012/08/09 05:12 PM
        GCN - TFLOP DPjp2012/08/10 01:23 AM
          GCN - TFLOP DPEBFE2012/08/12 08:27 PM
            GCN - TFLOP DPjp2012/08/13 02:02 AM
              GCN - TFLOP DPEBFE2012/08/13 07:45 PM
                GCN - TFLOP DPjp2012/08/14 01:21 AM
  New Article: Compute Efficiency 2012Adrian2012/07/25 04:39 AM
    New Article: Compute Efficiency 2012EBFE2012/07/25 09:33 AM
    New Article: Compute Efficiency 2012David Kanter2012/07/25 11:11 AM
  New Article: Compute Efficiency 2012sf2012/07/25 06:46 AM
    New Article: Compute Efficiency 2012aaron spink2012/07/25 09:08 AM
      New Article: Compute Efficiency 2012someone2012/07/25 10:06 AM
    New Article: Compute Efficiency 2012David Kanter2012/07/25 11:14 AM
      New Article: Compute Efficiency 2012EBFE2012/07/26 02:27 AM
        BG/QDavid Kanter2012/07/26 09:31 AM
          VR-ZONE KNC B0 leak, poor number?EBFE2012/08/03 01:57 AM
            VR-ZONE KNC B0 leak, poor number?Eric2012/08/03 07:59 AM
              VR-ZONE KNC B0 leak, poor number?EBFE2012/08/04 06:37 AM
                VR-ZONE KNC B0 leak, poor number?aaron spink2012/08/04 06:51 PM
                Leaks != productsDavid Kanter2012/08/05 03:19 AM
                  Leaks != productsEBFE2012/08/06 02:49 AM
                VR-ZONE KNC B0 leak, poor number?Eric2012/08/05 10:37 AM
                  VR-ZONE KNC B0 leak, poor number?EBFE2012/08/06 03:09 AM
                    VR-ZONE KNC B0 leak, poor number?aaron spink2012/08/06 04:33 AM
                      VR-ZONE KNC B0 leak, poor number?jp2012/08/07 03:08 AM
                        VR-ZONE KNC B0 leak, poor number?Eric2012/08/07 04:58 AM
                          VR-ZONE KNC B0 leak, poor number?jp2012/08/07 05:17 AM
                            VR-ZONE KNC B0 leak, poor number?Eric2012/08/07 05:22 AM
                              VR-ZONE KNC B0 leak, poor number?anonymou52012/08/07 09:43 AM
                            VR-ZONE KNC B0 leak, poor number?jp2012/08/07 05:23 AM
                              VR-ZONE KNC B0 leak, poor number?aaron spink2012/08/07 07:24 AM
                        VR-ZONE KNC B0 leak, poor number?aaron spink2012/08/07 07:20 AM
                          VR-ZONE KNC B0 leak, poor number?jp2012/08/07 11:22 AM
                            VR-ZONE KNC B0 leak, poor number?EduardoS2012/08/07 03:15 PM
                        KNC has FMADavid Kanter2012/08/07 09:17 AM
  New Article: Compute Efficiency 2012forestlaughing2012/07/25 08:51 AM
    New Article: Compute Efficiency 2012Eric2012/07/27 05:12 AM
      New Article: Compute Efficiency 2012hobold2012/07/27 11:53 AM
        New Article: Compute Efficiency 2012Eric2012/07/27 12:51 PM
          New Article: Compute Efficiency 2012hobold2012/07/27 02:48 PM
            New Article: Compute Efficiency 2012Eric2012/07/27 03:29 PM
        New Article: Compute Efficiency 2012anon2012/07/29 02:25 AM
          New Article: Compute Efficiency 2012hobold2012/07/29 11:53 AM
  Efficiency? No, lack of highly useful featuressomeone2012/07/25 09:58 AM
    Best case for GPUsDavid Kanter2012/07/25 11:28 AM
      Best case for GPUsfranzliszt2012/07/25 01:39 PM
      Best case for GPUsChuck2012/07/25 08:13 PM
        Best case for GPUsDavid Kanter2012/07/25 09:45 PM
        Best case for GPUsEric2012/07/27 05:51 AM
  Silverthorn data pointMichael S2012/07/25 02:45 PM
    Silverthorn data pointDavid Kanter2012/07/25 04:06 PM
  New Article: Compute Efficiency 2012Unununium2012/07/25 05:55 PM
    New Article: Compute Efficiency 2012EduardoS2012/07/25 08:12 PM
      Ops... I'm wrong...EduardoS2012/07/25 08:14 PM
  New Article: Compute Efficiency 2012TacoBell2012/07/25 08:36 PM
    New Article: Compute Efficiency 2012David Kanter2012/07/25 09:49 PM
    New Article: Compute Efficiency 2012Michael S2012/07/26 02:33 AM
  Line and factorMoritz2012/07/26 01:34 AM
    Line and factorPeter Boyle2012/07/27 07:57 AM
      not entirelyMoritz2012/07/27 12:22 PM
      Line and factorEduardoS2012/07/27 05:24 PM
        Line and factorMoritz2012/07/28 12:52 PM
  tables Michael S2012/07/26 02:39 AM
  Interlagos L2+L3Rana2012/07/26 03:13 AM
    Interlagos L2+L3Rana2012/07/26 03:13 AM
    Interlagos L2+L3David Kanter2012/07/26 09:21 AM
      SP vs DP & performance metricsjp2012/07/27 07:08 AM
        SP vs DP & performance metricsEric2012/07/27 07:57 AM
          SP vs DP & performance metricsjp2012/07/27 09:18 AM
            SP vs DP & performance metricsaaron spink2012/07/27 09:36 AM
              SP vs DP & performance metricsjp2012/07/27 09:47 AM
                "Global" --> systemPaul A. Clayton2012/07/27 10:31 AM
                  "Global" --> systemjp2012/07/27 03:55 PM
                    "Global" --> systemaaron spink2012/07/27 07:33 PM
                      "Global" --> systemjp2012/07/28 02:00 AM
                        "Global" --> systemaaron spink2012/07/28 06:54 AM
                          "Global" --> systemjp2012/07/29 02:12 AM
                            "Global" --> systemaaron spink2012/07/29 05:03 AM
                              "Global" --> systemnone2012/07/29 09:05 AM
                                "Global" --> systemEduardoS2012/07/29 10:26 AM
                                "Global" --> systemjp2012/07/30 02:24 AM
                                  "Global" --> systemaaron spink2012/07/30 03:05 AM
                                "Global" --> systemaaron spink2012/07/30 03:03 AM
                                  daxpy is STREAM TRIADPaul A. Clayton2012/07/30 06:10 AM
                SP vs DP & performance metricsaaron spink2012/07/27 07:25 PM
                  SP vs DP & performance metricsEmil Briggs2012/07/28 06:40 AM
                    SP vs DP & performance metricsaaron spink2012/07/28 07:05 AM
                      SP vs DP & performance metricsjp2012/07/28 11:04 AM
                        SP vs DP & performance metricsBrett2012/07/28 03:32 PM
                      SP vs DP & performance metricsEmil Briggs2012/07/28 06:11 PM
                        SP vs DP & performance metricsanon2012/07/29 02:53 AM
                        SP vs DP & performance metricsaaron spink2012/07/29 05:39 AM
                          Coherency for discretesRohit2012/07/29 09:24 AM
                          SP vs DP & performance metricsanon2012/07/29 11:09 AM
                          SP vs DP & performance metricsEric2012/07/29 01:08 PM
        SP vs DP & performance metricsaaron spink2012/07/27 09:25 AM
  Regular updates?Joe2012/07/27 09:35 AM
  New Article: Compute Efficiency 20123092012/07/27 10:34 PM
  New Article: Compute Efficiency 2012Ingeneer2012/07/30 09:01 AM
    New Article: Compute Efficiency 2012David Kanter2012/07/30 01:11 PM
      New Article: Compute Efficiency 2012Ingeneer2012/07/30 08:04 PM
        New Article: Compute Efficiency 2012David Kanter2012/07/30 09:32 PM
          Memory power and bandwidth?Iain McClatchie2012/08/03 04:35 PM
            Memory power and bandwidth?David Kanter2012/08/04 11:22 AM
              Memory power and bandwidth?Michael S2012/08/04 02:36 PM
              Memory power and bandwidth?Iain McClatchie2012/08/06 02:09 PM
              Memory power and bandwidth?Eric2012/08/07 06:28 PM
                WorkloadsDavid Kanter2012/08/08 10:49 AM
                  WorkloadsEric2012/08/09 05:21 PM
                Latency and bandwidth bottlenecks Paul A. Clayton2012/08/08 04:02 PM
                  Latency and bandwidth bottlenecks Eric2012/08/09 05:32 PM
                    Latency and bandwidth bottlenecks none2012/08/10 06:06 AM
                  Latency and bandwidth bottlenecks -> BDPajensen2012/08/11 03:21 PM
            Memory power and bandwidth?Ingeneer2012/08/06 11:26 AM
  NV aims for 1.8+ TFLOPS DP ?jp2012/08/11 01:21 PM
    NV aims for 1.8+ TFLOPS DP ?David Kanter2012/08/11 09:25 PM
      NV aims for 1.8+ TFLOPS DP ?jp2012/08/12 02:45 AM
      NV aims for 1.8+ TFLOPS DP ?EBFE2012/08/12 10:02 PM
        NV aims for 1.8+ TFLOPS DP ?jp2012/08/13 01:54 AM
          NV aims for 1.8+ TFLOPS DP ?Gabriele Svelto2012/08/13 09:16 AM
            NV aims for 1.8+ TFLOPS DP ?Vincent Diepeveen2012/08/14 03:04 AM
          NV aims for 1.8+ TFLOPS DP ?David Kanter2012/08/13 09:50 AM
            NV aims for 1.8+ TFLOPS DP ?jp2012/08/13 11:17 AM
        NV aims for 1.8+ TFLOPS DP ?EduardoS2012/08/13 06:45 AM
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