Infinity Fabric = PCIe

By: Ricardo B (ricardo.b.delete@this.xxxxx.xx), March 17, 2017 6:08 pm
Room: Moderated Discussions
Aaron Spink (aaronspink.delete@this.notearthlink.net) on March 17, 2017 10:25 am wrote:
> Gabriele Svelto (gabriele.svelto.delete@this.gmail.com) on March 17, 2017 3:35 am wrote:
> > Michael S (already5chosen.delete@this.yahoo.com) on March 16, 2017 2:33 pm wrote:
> > > Of course, you are correct. There is only one clock pair per 20 data pairs. It's true
> > > for all generations of Xeons taht I checked, from Gainstown and up to IvyBridge-EX.
> >
> > That is... remarkable at the GT/s they support.
>
> The reality is that QPI is not a traditional clk_fwd design. In a lot of ways, QPI electrical
> is more similar to an AC coupled embedded clock system. Actually using embedded clocks has

I guess it has adjustable delay lines on each data line, and the data transitions are used to adjust the delay?
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TopicPosted ByDate
What is infinity fabric?slacker2017/03/12 06:41 PM
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    What is infinity fabric?Klimax2017/03/13 12:42 AM
      What is infinity fabric?Kevin G2017/03/13 04:39 AM
  What is infinity?Anon2017/03/13 04:44 AM
  What is infinity fabric?Groo2017/03/13 07:33 AM
    What is infinity fabric?Ireland2017/03/13 09:12 AM
      Another way to put same questionIreland2017/03/13 09:16 AM
      What is infinity fabric?Groo2017/03/13 12:12 PM
        What is infinity fabric?Ireland2017/03/13 02:07 PM
          What is infinity fabric?Ireland2017/03/13 02:32 PM
            What is infinity fabric?Seni2017/03/14 12:38 PM
          What is infinity fabric?Brendan2017/03/14 05:28 AM
            What is infinity fabric?Ireland2017/03/14 06:09 AM
            What is infinity fabric?Groo2017/03/14 07:35 AM
              What is infinity fabric?Ireland2017/03/14 08:35 AM
    Infinity Fabric = PCIeslacker2017/03/15 02:59 PM
      Infinity Fabric = PCIeMichael S2017/03/15 04:19 PM
        Infinity Fabric = PCIeIreland2017/03/15 04:49 PM
        Infinity Fabric = PCIeRicardo B2017/03/15 10:25 PM
        Infinity Fabric = PCIeslacker2017/03/15 10:45 PM
          Infinity Fabric = PCIeRicardo B2017/03/15 11:02 PM
            Infinity Fabric = PCIeAaron Spink2017/03/16 01:08 AM
              Infinity Fabric = PCIeRicardo B2017/03/16 05:30 AM
                Infinity Fabric = PCIeAaron Spink2017/03/16 10:58 AM
        Infinity Fabric = PCIeGabriele Svelto2017/03/16 03:48 AM
          Latency vs. bandwidthDavid Kanter2017/03/16 08:04 AM
      Infinity Fabric = PCIeGroo2017/03/15 05:35 PM
        Infinity Fabric = PCIeslacker2017/03/15 11:11 PM
          Infinity Fabric = PCIeAdrian2017/03/16 02:51 AM
            Infinity Fabric = PCIeMichael S2017/03/16 04:32 AM
              Infinity Fabric = PCIeAdrian2017/03/16 07:58 AM
                Infinity Fabric = PCIeRicardo B2017/03/16 09:16 AM
                  Infinity Fabric = PCIeMichael S2017/03/16 09:54 AM
                    Infinity Fabric = PCIeRicardo B2017/03/16 10:07 AM
                      Infinity Fabric = PCIeMichael S2017/03/16 02:33 PM
                        Infinity Fabric = PCIeGabriele Svelto2017/03/17 03:35 AM
                          Infinity Fabric = PCIeAaron Spink2017/03/17 10:25 AM
                            Thanks, your posts on this thread have been extremely informative (NT)Gabriele Svelto2017/03/17 01:08 PM
                            Infinity Fabric = PCIeRicardo B2017/03/17 06:08 PM
                              Infinity Fabric = PCIeAaron Spink2017/03/17 06:27 PM
                              Quickpath papers - circuits and implementationslacker2017/03/18 06:50 PM
                                Quickpath papers - circuits and implementationRicardo B2017/03/19 08:07 AM
                    Infinity Fabric = PCIeAaron Spink2017/03/16 11:11 AM
                      Infinity Fabric = PCIeMichael S2017/03/16 02:46 PM
                        Infinity Fabric = PCIeRicardo B2017/03/16 03:07 PM
                          Infinity Fabric = PCIeMichael S2017/03/16 05:13 PM
                            Infinity Fabric = PCIeAaron Spink2017/03/16 11:04 PM
                            Infinity Fabric = PCIeRicardo B2017/03/16 11:30 PM
                              Infinity Fabric = PCIeMichael S2017/03/17 07:24 AM
                                Infinity Fabric = PCIeRicardo B2017/03/17 06:07 PM
              Infinity Fabric = PCIeDavid Kanter2017/03/16 08:36 AM
                Infinity Fabric = PCIeMichael S2017/03/16 08:50 AM
                  Infinity Fabric = PCIeAaron Spink2017/03/16 11:24 AM
                    Infinity Fabric = PCIeMichael S2017/03/16 02:45 PM
                      Infinity Fabric = PCIeAaron Spink2017/03/16 11:21 PM
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