FPGA chiplets are around 10 years old

By: Megabytephreak (roukemap.delete@this.gmail.com), October 29, 2020 6:58 am
Room: Moderated Discussions
me (me.delete@this.me.com) on October 29, 2020 5:47 am wrote:
> James (no.delete@this.thanks.invalid) on October 29, 2020 2:17 am wrote:
> > Mark Roulo (nothanks.delete@this.xxx.com) on October 28, 2020 8:15 pm wrote:
> >
> > > Xilinx has been shipping FPGAs built around chiplets since at least 2011 with the Virtex-7.
> >
> > How practical would it be to put Infinity Fabric on these chiplets
> > and replace one or more Epyc CPU chiplets with FPGAs?
> >
> > (Not on all Epycs, obviously. AMD could choose the product mix at packaging time.)
> >
>
> That is exactly what I implied they will do. Could need better packaging but that should be doable.

The die size for an FPGA that can make good use of the IF bandwidth and do something worth replacing a CPU chiplet with is going to be a fair bit bigger than the CPU chiplet I think. The Rome package is already pretty full, so I think you'd probably need to sacrifice multiple chiplets, probably even half of them to make it work.

It might be more practical, particularly in the short term to allow pairing a specially packaged FPGA with a normal CPU in a 2-socket system, using the FPGA transceivers to implement the inter-chip variant of Infinity Fabric and also supporting the existing DRAM slots. For the very short term you could also do PCIe between sockets as well, although then you loose cache coherencey.
< Previous Post in ThreadNext Post in Thread >
TopicPosted ByDate
AMD - Xilinx merger. Potential technical synergies?Björn Ragnar Björnsson2020/10/27 04:03 PM
  Consider Zen4 + VersalMark2020/10/27 07:42 PM
    Consider Zen4 + VersalBjörn Ragnar Björnsson2020/10/27 08:23 PM
      Funny Moneyme2020/10/28 11:14 AM
        Funny MoneyDummond D. Slow2020/10/28 05:32 PM
          FPGA chiplets are around 10 years oldMark Roulo2020/10/28 08:15 PM
            FPGA chiplets are around 10 years oldDummond D. Slow2020/10/28 08:27 PM
              GPU chiplets burn a lot of power!David Kanter2020/10/28 08:40 PM
                GPU chiplets burn a lot of power!hobold2020/10/29 05:24 AM
                GPU chiplets burn a lot of power!Dummond D. Slow2020/10/29 12:25 PM
                GPU chiplets burn a lot of power!juanrga2020/10/30 03:24 AM
            FPGA chiplets are around 10 years oldJames2020/10/29 02:17 AM
              FPGA chiplets are around 10 years oldme2020/10/29 05:47 AM
                FPGA chiplets are around 10 years oldMegabytephreak2020/10/29 06:58 AM
                  FPGA chiplets are around 10 years oldanonymou52020/10/29 09:52 AM
                    FPGA chiplets are around 10 years oldMegabytephreak2020/10/29 11:16 AM
                      FPGA chiplets are around 10 years oldMark Roulo2020/10/29 04:02 PM
                        FPGA chiplets are around 10 years oldAndreas2020/10/30 07:26 AM
                    FPGA chiplets are around 10 years oldHoward Chu2020/10/29 06:25 PM
                      FPGA chiplets are around 10 years oldMichael S2020/10/30 01:34 AM
                        FPGA chiplets are around 10 years oldAndreas2020/10/30 07:29 AM
                          FPGA chiplets are around 10 years oldMichael S2020/11/03 02:40 AM
    Consider Zen4 + VersalPaul2020/11/03 03:19 AM
      Consider Zen4 + VersalAnon2020/11/03 05:08 AM
        Consider Zen4 + VersalPaul2020/11/03 02:52 PM
          Consider Zen4 + VersalJukka Larja2020/11/04 06:46 AM
            Consider Zen4 + Versalme2020/11/04 08:42 AM
              Consider Zen4 + VersalDavid Hess2020/11/12 07:46 PM
  Intel is focusing (and getting money) by divesting flash biz; AMD is spreading itself around moreanon2020/10/27 08:52 PM
    Intel is focusing (and getting money) by divesting flash biz; AMD is spreading itself around moredefaltluser2020/10/28 02:46 PM
      Intel is focusing (and getting money) by divesting flash biz; AMD is spreading itself around moreanon2020/10/28 03:43 PM
        Intel is focusing (and getting money) by divesting flash biz; AMD is spreading itself around moreMark Roulo2020/10/28 08:09 PM
          Intel is focusing (and getting money) by divesting flash biz; AMD is spreading itself around moredefaltluser2020/11/02 06:21 PM
        Ryzen 5000 + Radeon 6000 = HSAish?blue2020/10/30 11:52 AM
          Ryzen 5000 + Radeon 6000 = HSAish?hobold2020/10/31 06:34 AM
            Ryzen 5000 + Radeon 6000 = HSAish?Wes Felter2020/10/31 09:50 AM
              Ryzen 5000 + Radeon 6000 = HSAish?hobold2020/10/31 12:21 PM
            Ryzen 5000 + Radeon 6000 = HSAish?David Hess2020/11/12 07:51 PM
              Ryzen 5000 + Radeon 6000 = HSAish?Adrian2020/11/13 06:14 AM
  AMD - Xilinx merger. Potential technical synergies?Etienne Lorrain2020/10/28 02:16 AM
  Look at the ATI acquisitionanon2020/10/28 11:31 AM
    Look at the ATI acquisitionwho2020/10/28 01:07 PM
      Look at the ATI acquisitionhobold2020/10/28 01:44 PM
        Look at the ATI acquisitionUngo2020/10/28 04:53 PM
    Look at the ATI acquisition2020/10/28 04:04 PM
      Look at the ATI acquisitionDavid Hess2020/10/30 10:38 AM
    Look at the ATI acquisitionDavid Hess2020/10/30 10:41 AM
  AMD - Xilinx merger. Potential technical synergies?Rob Thorpe2020/10/28 12:40 PM
    AMD - Xilinx merger. Potential technical synergies?Etienne Lorrain2020/10/29 09:52 AM
      Why people think Xilinx is an FPGA companyMark Roulo2020/10/29 01:18 PM
        Why people think Xilinx is an FPGA companyMichael S2020/10/30 01:25 AM
      AMD - Xilinx merger. Potential technical synergies?Dan Fay2020/10/29 02:43 PM
      AMD - Xilinx merger. Potential technical synergies?Ricardo B2020/10/30 06:33 PM
        AMD - Xilinx merger. Potential technical synergies?Ungo2020/10/31 05:12 AM
    AMD - Xilinx merger. Potential technical synergies?Ricardo B2020/10/30 07:02 PM
      AMD - Xilinx merger. Potential technical synergies?Michael S2020/10/31 09:53 AM
        AMD - Xilinx merger. Potential technical synergies?Ricardo B2020/10/31 06:46 PM
        AMD - Xilinx merger. Potential technical synergies?Doug S2020/11/01 09:45 AM
          AMD - Xilinx merger. Potential technical synergies?David Kanter2020/11/02 01:53 PM
            AMD - Xilinx merger. Potential technical synergies?Mr. Camel2020/11/02 02:14 PM
              AMD - Xilinx merger. Potential technical synergies?Doug S2020/11/02 02:51 PM
                AMD - Xilinx merger. Potential technical synergies?David Kanter2020/11/02 03:07 PM
                  AMD - Xilinx merger. Potential technical synergies?Mr. Camel2020/11/03 01:19 PM
                  AMD - Xilinx merger. Potential technical synergies?Paul2020/11/03 02:55 PM
                AMD - Xilinx merger. Potential technical synergies?Groo2020/11/02 03:31 PM
                  AMD - Xilinx merger. Potential technical synergies?Brett2020/11/02 05:17 PM
                  AMD - Xilinx merger. Potential technical synergies?Doug S2020/11/03 09:21 AM
                AMD - Xilinx merger. Potential technical synergies?Adrian2020/11/03 03:32 AM
                  Asus ZenBook 13 UX325 and 14 UX425Michael S2020/11/03 04:35 AM
                    Asus ZenBook 13 UX325 and 14 UX425Adrian2020/11/03 07:27 AM
                      Asus ZenBook 13 UX325 and 14 UX425Michael S2020/11/03 09:04 AM
        AMD - Xilinx merger. Potential technical synergies?who2020/11/02 01:00 PM
Reply to this Topic
Name:
Email:
Topic:
Body: No Text
How do you spell avocado?