Infinity Fabric = PCIe

By: Michael S (already5chosen.delete@this.yahoo.com), March 16, 2017 9:54 am
Room: Moderated Discussions
Ricardo B (ricardo.b.delete@this.xxxxx.xx) on March 16, 2017 9:16 am wrote:
> Adrian (a.delete@this.acm.org) on March 16, 2017 7:58 am wrote:
> > Michael S (already5chosen.delete@this.yahoo.com) on March 16, 2017 4:32 am wrote:
> > >
> > > It depends on the number of signals in clock group. Intel demonstrated that with 5 data signal per group
> > > it's doable for much longer distances and much less controlled PCBs than one targeted by AMD.
> > > Hypertransport has 8+1 data signal per clock. That's a little harder than
> > > 5, but, then again, environment within MCM is very tightly controlled.
> >
> >
> > I agree that if you have few data signals, e.g. 4 per clock, that should be feasible.
>
> That assessment is too pessimistic.
>
> AFAIK, intel's QPI physical links uses 20 data signals and a single clock.

No, full QPI link consists from 4 quadrants, each with his own clock.

> A link with 8+1 data signals per clock signal is clearly feasible.
>
>

Yes. Especially if one does not push for Intel-like GT/s.
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TopicPosted ByDate
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      Another way to put same questionIreland03/13/17 09:16 AM
      What is infinity fabric?Groo03/13/17 12:12 PM
        What is infinity fabric?Ireland03/13/17 02:07 PM
          What is infinity fabric?Ireland03/13/17 02:32 PM
            What is infinity fabric?Seni03/14/17 12:38 PM
          What is infinity fabric?Brendan03/14/17 05:28 AM
            What is infinity fabric?Ireland03/14/17 06:09 AM
            What is infinity fabric?Groo03/14/17 07:35 AM
              What is infinity fabric?Ireland03/14/17 08:35 AM
    Infinity Fabric = PCIeslacker03/15/17 02:59 PM
      Infinity Fabric = PCIeMichael S03/15/17 04:19 PM
        Infinity Fabric = PCIeIreland03/15/17 04:49 PM
        Infinity Fabric = PCIeRicardo B03/15/17 10:25 PM
        Infinity Fabric = PCIeslacker03/15/17 10:45 PM
          Infinity Fabric = PCIeRicardo B03/15/17 11:02 PM
            Infinity Fabric = PCIeAaron Spink03/16/17 01:08 AM
              Infinity Fabric = PCIeRicardo B03/16/17 05:30 AM
                Infinity Fabric = PCIeAaron Spink03/16/17 10:58 AM
        Infinity Fabric = PCIeGabriele Svelto03/16/17 03:48 AM
          Latency vs. bandwidthDavid Kanter03/16/17 08:04 AM
      Infinity Fabric = PCIeGroo03/15/17 05:35 PM
        Infinity Fabric = PCIeslacker03/15/17 11:11 PM
          Infinity Fabric = PCIeAdrian03/16/17 02:51 AM
            Infinity Fabric = PCIeMichael S03/16/17 04:32 AM
              Infinity Fabric = PCIeAdrian03/16/17 07:58 AM
                Infinity Fabric = PCIeRicardo B03/16/17 09:16 AM
                  Infinity Fabric = PCIeMichael S03/16/17 09:54 AM
                    Infinity Fabric = PCIeRicardo B03/16/17 10:07 AM
                      Infinity Fabric = PCIeMichael S03/16/17 02:33 PM
                        Infinity Fabric = PCIeGabriele Svelto03/17/17 03:35 AM
                          Infinity Fabric = PCIeAaron Spink03/17/17 10:25 AM
                            Thanks, your posts on this thread have been extremely informative (NT)Gabriele Svelto03/17/17 01:08 PM
                            Infinity Fabric = PCIeRicardo B03/17/17 06:08 PM
                              Infinity Fabric = PCIeAaron Spink03/17/17 06:27 PM
                              Quickpath papers - circuits and implementationslacker03/18/17 06:50 PM
                                Quickpath papers - circuits and implementationRicardo B03/19/17 08:07 AM
                    Infinity Fabric = PCIeAaron Spink03/16/17 11:11 AM
                      Infinity Fabric = PCIeMichael S03/16/17 02:46 PM
                        Infinity Fabric = PCIeRicardo B03/16/17 03:07 PM
                          Infinity Fabric = PCIeMichael S03/16/17 05:13 PM
                            Infinity Fabric = PCIeAaron Spink03/16/17 11:04 PM
                            Infinity Fabric = PCIeRicardo B03/16/17 11:30 PM
                              Infinity Fabric = PCIeMichael S03/17/17 07:24 AM
                                Infinity Fabric = PCIeRicardo B03/17/17 06:07 PM
              Infinity Fabric = PCIeDavid Kanter03/16/17 08:36 AM
                Infinity Fabric = PCIeMichael S03/16/17 08:50 AM
                  Infinity Fabric = PCIeAaron Spink03/16/17 11:24 AM
                    Infinity Fabric = PCIeMichael S03/16/17 02:45 PM
                      Infinity Fabric = PCIeAaron Spink03/16/17 11:21 PM
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