New Article: Compute Efficiency 2012

Article: Computational Efficiency for CPUs and GPUs in 2012
By: David Kanter (dkanter.delete@this.realworldtech.com), July 30, 2012 1:11 pm
Room: Moderated Discussions
Ingeneer (a.delete@this.b.c) on July 30, 2012 9:01 am wrote:
> Thanks for the new graph, I've been meaning to create one like that myself for a
> while now (don't worry, I'll credit you when I use it).
>
> The article is quite
> amusing in the way that you apparently want to say GPGPU is f*cked when Haswell
> hits the street. It's going to practically double the compute efficiency, which
> I'm sure you know but you must be bound by an NDA so you can't mention
> it.

Well, I'm not convinced that is true. Yes, Haswell should double the FLOPs. However, at the same time, AMD and Nvidia are moving to 28nm which should also double the FLOPs. Knights Corner is a wildcard, but we know roughly where that will end up - around 1TFLOP/s, but the die area and power consumption is unclear.

I think the gap may narrow a bit, but you won't see CPUs catching GPUs soon.

> It's a good thing NVIDIA realized that mainstream GPGPU has no future and
> they focus on graphics again with GK104. Too bad AMD will have to learn the hard
> way that Fusion/HSA is DOA.

GK110 will be plenty compute focused and reasonably attractive. It is good that they have a nice and efficient graphics variant though...while the margins are great for compute, the volume is clearly in discrete graphics.

David
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TopicPosted ByDate
New Article: Compute Efficiency 2012David Kanter07/25/12 01:37 AM
  New Article: Compute Efficiency 2012SHK07/25/12 02:31 AM
    New Article: Compute Efficiency 2012David Kanter07/25/12 02:42 AM
  New Article: Compute Efficiency 2012none07/25/12 03:18 AM
    New Article: Compute Efficiency 2012David Kanter07/25/12 11:25 AM
  GCN (NT)EBFE07/25/12 03:25 AM
    GCN - TFLOP DPjp08/09/12 01:58 PM
      GCN - TFLOP DPDavid Kanter08/09/12 03:32 PM
        GCN - TFLOP DPKevin G08/11/12 05:22 PM
      GCN - TFLOP DPEric08/09/12 05:12 PM
        GCN - TFLOP DPjp08/10/12 01:23 AM
          GCN - TFLOP DPEBFE08/12/12 08:27 PM
            GCN - TFLOP DPjp08/13/12 02:02 AM
              GCN - TFLOP DPEBFE08/13/12 07:45 PM
                GCN - TFLOP DPjp08/14/12 01:21 AM
  New Article: Compute Efficiency 2012Adrian07/25/12 04:39 AM
    New Article: Compute Efficiency 2012EBFE07/25/12 09:33 AM
    New Article: Compute Efficiency 2012David Kanter07/25/12 11:11 AM
  New Article: Compute Efficiency 2012sf07/25/12 06:46 AM
    New Article: Compute Efficiency 2012aaron spink07/25/12 09:08 AM
      New Article: Compute Efficiency 2012someone07/25/12 10:06 AM
    New Article: Compute Efficiency 2012David Kanter07/25/12 11:14 AM
      New Article: Compute Efficiency 2012EBFE07/26/12 02:27 AM
        BG/QDavid Kanter07/26/12 09:31 AM
          VR-ZONE KNC B0 leak, poor number?EBFE08/03/12 01:57 AM
            VR-ZONE KNC B0 leak, poor number?Eric08/03/12 07:59 AM
              VR-ZONE KNC B0 leak, poor number?EBFE08/04/12 06:37 AM
                VR-ZONE KNC B0 leak, poor number?aaron spink08/04/12 06:51 PM
                Leaks != productsDavid Kanter08/05/12 03:19 AM
                  Leaks != productsEBFE08/06/12 02:49 AM
                VR-ZONE KNC B0 leak, poor number?Eric08/05/12 10:37 AM
                  VR-ZONE KNC B0 leak, poor number?EBFE08/06/12 03:09 AM
                    VR-ZONE KNC B0 leak, poor number?aaron spink08/06/12 04:33 AM
                      VR-ZONE KNC B0 leak, poor number?jp08/07/12 03:08 AM
                        VR-ZONE KNC B0 leak, poor number?Eric08/07/12 04:58 AM
                          VR-ZONE KNC B0 leak, poor number?jp08/07/12 05:17 AM
                            VR-ZONE KNC B0 leak, poor number?Eric08/07/12 05:22 AM
                              VR-ZONE KNC B0 leak, poor number?anonymou508/07/12 09:43 AM
                            VR-ZONE KNC B0 leak, poor number?jp08/07/12 05:23 AM
                              VR-ZONE KNC B0 leak, poor number?aaron spink08/07/12 07:24 AM
                        VR-ZONE KNC B0 leak, poor number?aaron spink08/07/12 07:20 AM
                          VR-ZONE KNC B0 leak, poor number?jp08/07/12 11:22 AM
                            VR-ZONE KNC B0 leak, poor number?EduardoS08/07/12 03:15 PM
                        KNC has FMADavid Kanter08/07/12 09:17 AM
  New Article: Compute Efficiency 2012forestlaughing07/25/12 08:51 AM
    New Article: Compute Efficiency 2012Eric07/27/12 05:12 AM
      New Article: Compute Efficiency 2012hobold07/27/12 11:53 AM
        New Article: Compute Efficiency 2012Eric07/27/12 12:51 PM
          New Article: Compute Efficiency 2012hobold07/27/12 02:48 PM
            New Article: Compute Efficiency 2012Eric07/27/12 03:29 PM
        New Article: Compute Efficiency 2012anon07/29/12 02:25 AM
          New Article: Compute Efficiency 2012hobold07/29/12 11:53 AM
  Efficiency? No, lack of highly useful featuressomeone07/25/12 09:58 AM
    Best case for GPUsDavid Kanter07/25/12 11:28 AM
      Best case for GPUsfranzliszt07/25/12 01:39 PM
      Best case for GPUsChuck07/25/12 08:13 PM
        Best case for GPUsDavid Kanter07/25/12 09:45 PM
        Best case for GPUsEric07/27/12 05:51 AM
  Silverthorn data pointMichael S07/25/12 02:45 PM
    Silverthorn data pointDavid Kanter07/25/12 04:06 PM
  New Article: Compute Efficiency 2012Unununium07/25/12 05:55 PM
    New Article: Compute Efficiency 2012EduardoS07/25/12 08:12 PM
      Ops... I'm wrong...EduardoS07/25/12 08:14 PM
  New Article: Compute Efficiency 2012TacoBell07/25/12 08:36 PM
    New Article: Compute Efficiency 2012David Kanter07/25/12 09:49 PM
    New Article: Compute Efficiency 2012Michael S07/26/12 02:33 AM
  Line and factorMoritz07/26/12 01:34 AM
    Line and factorPeter Boyle07/27/12 07:57 AM
      not entirelyMoritz07/27/12 12:22 PM
      Line and factorEduardoS07/27/12 05:24 PM
        Line and factorMoritz07/28/12 12:52 PM
  tables Michael S07/26/12 02:39 AM
  Interlagos L2+L3Rana07/26/12 03:13 AM
    Interlagos L2+L3Rana07/26/12 03:13 AM
    Interlagos L2+L3David Kanter07/26/12 09:21 AM
      SP vs DP & performance metricsjp07/27/12 07:08 AM
        SP vs DP & performance metricsEric07/27/12 07:57 AM
          SP vs DP & performance metricsjp07/27/12 09:18 AM
            SP vs DP & performance metricsaaron spink07/27/12 09:36 AM
              SP vs DP & performance metricsjp07/27/12 09:47 AM
                "Global" --> systemPaul A. Clayton07/27/12 10:31 AM
                  "Global" --> systemjp07/27/12 03:55 PM
                    "Global" --> systemaaron spink07/27/12 07:33 PM
                      "Global" --> systemjp07/28/12 02:00 AM
                        "Global" --> systemaaron spink07/28/12 06:54 AM
                          "Global" --> systemjp07/29/12 02:12 AM
                            "Global" --> systemaaron spink07/29/12 05:03 AM
                              "Global" --> systemnone07/29/12 09:05 AM
                                "Global" --> systemEduardoS07/29/12 10:26 AM
                                "Global" --> systemjp07/30/12 02:24 AM
                                  "Global" --> systemaaron spink07/30/12 03:05 AM
                                "Global" --> systemaaron spink07/30/12 03:03 AM
                                  daxpy is STREAM TRIADPaul A. Clayton07/30/12 06:10 AM
                SP vs DP & performance metricsaaron spink07/27/12 07:25 PM
                  SP vs DP & performance metricsEmil Briggs07/28/12 06:40 AM
                    SP vs DP & performance metricsaaron spink07/28/12 07:05 AM
                      SP vs DP & performance metricsjp07/28/12 11:04 AM
                        SP vs DP & performance metricsBrett07/28/12 03:32 PM
                      SP vs DP & performance metricsEmil Briggs07/28/12 06:11 PM
                        SP vs DP & performance metricsanon07/29/12 02:53 AM
                        SP vs DP & performance metricsaaron spink07/29/12 05:39 AM
                          Coherency for discretesRohit07/29/12 09:24 AM
                          SP vs DP & performance metricsanon07/29/12 11:09 AM
                          SP vs DP & performance metricsEric07/29/12 01:08 PM
        SP vs DP & performance metricsaaron spink07/27/12 09:25 AM
  Regular updates?Joe07/27/12 09:35 AM
  New Article: Compute Efficiency 201230907/27/12 10:34 PM
  New Article: Compute Efficiency 2012Ingeneer07/30/12 09:01 AM
    New Article: Compute Efficiency 2012David Kanter07/30/12 01:11 PM
      New Article: Compute Efficiency 2012Ingeneer07/30/12 08:04 PM
        New Article: Compute Efficiency 2012David Kanter07/30/12 09:32 PM
          Memory power and bandwidth?Iain McClatchie08/03/12 04:35 PM
            Memory power and bandwidth?David Kanter08/04/12 11:22 AM
              Memory power and bandwidth?Michael S08/04/12 02:36 PM
              Memory power and bandwidth?Iain McClatchie08/06/12 02:09 PM
              Memory power and bandwidth?Eric08/07/12 06:28 PM
                WorkloadsDavid Kanter08/08/12 10:49 AM
                  WorkloadsEric08/09/12 05:21 PM
                Latency and bandwidth bottlenecks Paul A. Clayton08/08/12 04:02 PM
                  Latency and bandwidth bottlenecks Eric08/09/12 05:32 PM
                    Latency and bandwidth bottlenecks none08/10/12 06:06 AM
                  Latency and bandwidth bottlenecks -> BDPajensen08/11/12 03:21 PM
            Memory power and bandwidth?Ingeneer08/06/12 11:26 AM
  NV aims for 1.8+ TFLOPS DP ?jp08/11/12 01:21 PM
    NV aims for 1.8+ TFLOPS DP ?David Kanter08/11/12 09:25 PM
      NV aims for 1.8+ TFLOPS DP ?jp08/12/12 02:45 AM
      NV aims for 1.8+ TFLOPS DP ?EBFE08/12/12 10:02 PM
        NV aims for 1.8+ TFLOPS DP ?jp08/13/12 01:54 AM
          NV aims for 1.8+ TFLOPS DP ?Gabriele Svelto08/13/12 09:16 AM
            NV aims for 1.8+ TFLOPS DP ?Vincent Diepeveen08/14/12 03:04 AM
          NV aims for 1.8+ TFLOPS DP ?David Kanter08/13/12 09:50 AM
            NV aims for 1.8+ TFLOPS DP ?jp08/13/12 11:17 AM
        NV aims for 1.8+ TFLOPS DP ?EduardoS08/13/12 06:45 AM
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