Knights Landing CPU Speculation

Article: Knights Landing CPU Speculation
By: Paul Caheny (, November 18, 2013 1:25 pm
Room: Moderated Discussions
Great introduction and looking forward to the rest. I'm particularly interested to hear whether you think Intel see KNL as a standalone processor in a node or paired with a traditional CPU over QPI or something similar rather than PCIe (and the implications of either configuration for the memory hierarchy and what the options are there)?. I also wonder if the relative theoretical peak performance ratio of KNC vs current Xeon CPUs will stay much the same in the contemporary Xeon CPU and KNL products once they both coalesce on AVX3?
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Knights Landing CPU SpeculationDavid Kanter2013/11/18 02:03 AM
  Knights Landing CPU Speculationnone2013/11/18 02:59 AM
    Knights Landing CPU SpeculationPatrick Chase2013/11/23 03:18 PM
      Knights Landing CPU SpeculationAdam Kalisz2013/11/26 01:20 AM
        Over 2,000 mm^2 of eDRAM???Mark Roulo2013/11/26 09:28 AM
          Over 2,000 mm^2 of eDRAM???David Kanter2013/11/26 11:09 AM
          Over 2,000 mm^2 of eDRAM???Eric Bron2013/11/26 11:21 AM
            Over 2,000 mm^2 of eDRAM???tarlinian2013/11/26 11:50 AM
              Over 2,000 mm^2 of eDRAM???Eric Bron2013/11/26 01:07 PM
                Over 2,000 mm^2 of eDRAM???Eric Bron2013/11/26 01:09 PM
                Over 2,000 mm^2 of eDRAM???aaron spink2013/11/26 03:03 PM
                  Over 2,000 mm^2 of eDRAM???Eric Bron2013/11/26 11:42 PM
                    Over 2,000 mm^2 of eDRAM???aaron spink2013/11/27 10:31 AM
              Over 2,000 mm^2 of eDRAM???David Kanter2013/11/26 04:25 PM
                Over 2,000 mm^2 of eDRAM???tarlinian2013/11/26 07:01 PM
          Over 2,000 mm^2 of eDRAM???Eric2013/11/27 02:54 AM
            eDRAM is DRAM in a logic-oriented processPaul A. Clayton2013/11/27 07:10 AM
  Knights Landing CPU SpeculationJames2013/11/18 05:26 AM
    Knights Landing CPU SpeculationMichael S2013/11/18 02:57 PM
      Knights Landing CPU SpeculationUrban Novak2013/11/19 12:49 AM
        Knights Landing CPU Speculationnone2013/11/19 01:19 AM
          Knights Landing CPU SpeculationEric2013/11/19 07:48 PM
            Total GPGPU/Xeon Phi market maybe ~ $500M/year ...Mark Roulo2013/11/20 10:35 AM
      Knights Landing CPU SpeculationWes Felter2013/11/19 12:06 PM
        Knights Landing CPU SpeculationMichael S2013/11/19 12:49 PM
  Knights Landing CPU SpeculationEric2013/11/18 12:17 PM
    Knights Landing CPU SpeculationDaniel2013/11/19 02:28 AM
      Knights Landing CPU SpeculationEric2013/11/19 07:36 PM
      HPC guys score FLOPS non-obviouslyMark Roulo2013/11/20 10:43 AM
        3-TFlops-DGEMMMichael S2013/11/20 10:59 AM
          3-TFlops-DGEMMMark Roulo2013/11/20 12:22 PM
            3-TFlops-DGEMMDaniel2013/11/20 01:04 PM
              3-TFlops-DGEMMEric2013/11/21 01:28 AM
                3-TFlops-DGEMMMichael S2013/11/21 05:48 AM
                  3-TFlops-DGEMMRecessionCone2013/11/21 11:13 AM
                    3-TFlops-DGEMMMichael S2013/11/21 02:34 PM
                  3-TFlops-DGEMMEric2013/11/22 02:10 AM
                    3-TFlops-DGEMMMichael S2013/11/22 04:41 AM
                    A (not very sensible) alternative: FMADD + FADDPaul A. Clayton2013/11/22 08:19 AM
                  3-TFlops-DGEMMSylvain Collange2013/11/24 02:37 AM
                    3-TFlops-DGEMMMichael S2013/11/24 06:06 AM
                      3-TFlops-DGEMMSylvain Collange2013/11/24 09:28 AM
        HPC guys score FLOPS non-obviouslyPatrick Chase2013/11/23 02:58 PM
  Knights Landing CPU SpeculationPaul Caheny2013/11/18 01:25 PM
    Knights Landing CPU SpeculationKonrad Schwarz2013/11/19 12:24 AM
  Knights Landing CPU SpeculationAmiba Gelos2013/11/19 07:36 PM
    Knights Landing CPU SpeculationDavid Kanter2013/11/20 09:52 AM
    Knights Landing CPU SpeculationLinus Torvalds2013/11/21 02:12 PM
      Knights Landing CPU SpeculationAmiba Gelos2013/11/21 05:14 PM
      Knights Landing CPU SpeculationPatrick Chase2013/11/23 03:33 PM
        Knights Landing CPU SpeculationLinus Torvalds2013/11/25 11:29 AM
          Knights Landing CPU SpeculationLinus Torvalds2013/11/25 12:05 PM
          Knights Landing CPU SpeculationPatrick Chase2013/11/25 12:22 PM
            Knights Landing CPU SpeculationLinus Torvalds2013/11/26 10:11 AM
          Knights Landing CPU SpeculationEric2013/11/26 03:05 AM
            Knights Landing CPU SpeculationEric2013/11/26 03:15 AM
            Knights Landing CPU Speculationnone2013/11/26 03:33 AM
              Knights Landing CPU SpeculationEric2013/11/26 06:30 PM
                Knights Landing CPU SpeculationEric2013/11/26 06:34 PM
                  What is MCDRAM?anon2013/11/26 08:58 PM
                    What is MCDRAM?none2013/11/27 01:00 AM
                      What is MCDRAM?Klimax2013/11/27 02:19 AM
                  Knights Landing CPU SpeculationKlimax2013/11/26 11:06 PM
                Knights Landing CPU SpeculationKlimax2013/11/26 11:05 PM
            Knights Landing CPU Speculationanon2013/11/26 05:53 AM
              Knights Landing CPU Speculationnone2013/11/26 06:20 AM
                Knights Landing CPU SpeculationMichael S2013/11/26 08:06 AM
                  Knights Landing CPU Speculationnone2013/11/26 09:18 AM
                    Knights Landing CPU SpeculationEric Bron2013/11/26 01:21 PM
                      Knights Landing CPU SpeculationEric Bron2013/11/26 01:27 PM
                        Knights Landing CPU Speculationnone2013/11/26 02:26 PM
                    Knights Landing CPU Speculationanon2013/11/26 05:42 PM
                      Knights Landing CPU Speculationnone2013/11/27 01:08 AM
                        Knights Landing CPU Speculationanon2013/11/27 01:50 AM
                          Knights Landing CPU Speculationnone2013/11/27 01:58 AM
                      Knights Landing CPU SpeculationMichael S2013/11/27 01:25 AM
                        Knights Landing CPU Speculationanon2013/11/27 02:32 AM
                          Knights Landing CPU SpeculationMichael S2013/11/27 03:08 AM
    Knights Landing CPU SpeculationChung Leong2013/11/27 01:28 AM
      Knights Landing CPU SpeculationMichael S2013/11/27 02:53 AM
        Knights Landing CPU SpeculationChung Leong2013/11/27 01:03 PM
  BiG.LiTTLe for KNL?Jeff K2013/11/22 06:17 AM
    BiG.LiTTLe for KNL?Patrick Chase2013/11/23 02:54 PM
      BiG.LiTTLe for KNL?Patrick Chase2013/11/23 03:01 PM
  Transactional memoryPatrick Chase2013/11/23 02:37 PM
    Transactional memoryBhima2013/11/25 07:01 AM
      Transactional memoryPatrick Chase2013/11/25 11:52 AM
  Knights Landing CPU SpeculationDaniel2013/11/25 02:17 AM
    Knights Landing CPU SpeculationKlimax2013/11/25 03:12 AM
    Knights Landing CPU Speculationnone2013/11/25 04:05 AM
      Knights Landing CPU SpeculationKlimax2013/11/25 04:45 AM
        Knights Landing CPU Speculationnone2013/11/25 04:55 AM
          Knights Landing CPU Speculationgmb2013/11/25 07:21 AM
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