8 socket servers

Article: Inside Barcelona: AMD's Next Generation
By: Doug Siebert (foo.delete@this.bar.bar), May 16, 2007 4:58 pm
Room: Moderated Discussions
Great article, David!

I'd personally be pretty surprised if 8 socket servers don't become commoditized to the extent 4 socket servers are today in a few years.

True the 8 bit wide path in a fully connected system and lack of effective snoop solution will hurt bandwidth heavy workloads, but those are often (but certainly not always) more amenable to parallelization and thus less likely to really benefit from an 8 socket server versus a pair of 4 socket servers.

I think the RAS concerns are overblown, that didn't stop people migrating from mainframes to minis, from minis to Unix servers, and more recently from Unix to x86 Windows and Linux servers. Always there are some apps that really require higher RAS left behind (well I guess minis are pretty much gone except for VMS, but Unix servers grew larger and more reliable to cover that segment)

So while there are certainly some apps that you'll want a mid/high end POWER, IPF or Sparc server for, a lot of them will be able to move to a 32 core 8 socket Opteron system. When there are commodity systems that offer the same or in most cases better performance for less than half the price, you have the opportunity in many cases to increase your RAS by clustering two cheaper lower RAS systems instead of buying one higher RAS system. Those applications already using clustering on Unix for the highest levels of RAS will stay there for the forseeable future, or until beancounters overrule the tech guys and tell them they can get by with cheaper systems because the sales guy promised them the required number of 9s knowing they'd have their commission in the bank long before the new system goes live :)

This success will force Intel to respond. Obviously CSI will be built to handle larger scale systems given it will support IPF as well, but I'll bet Intel has always been planning on crippling it on the x86 side at a level chosen to avoid revenue loss to Opteron while preserving as big of a 'higher end' side as IPF-only as possible. I forget, when is AMD supposed to be introducing the improved HT that handles up to 32 socket systems? (presumably with some sort of directory or vastly improved snooping, along with higher RAS)

This is just another step along the path to IPF being completely squeezed out of the market by the middle of the next decade.
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Barcelona Article OnlineDavid Kanter2007/05/16 03:20 AM
  Barcelona Article OnlinePiedPiper2007/05/16 05:12 AM
    Yes, I left out a sentence there. Fixed (NT)David Kanter2007/05/16 12:07 PM
  Barcelona Article Onlineanonymous2007/05/16 06:01 AM
    Barcelona Article OnlineAnonymous2007/05/16 06:28 PM
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  8 socket serversDoug Siebert2007/05/16 04:58 PM
    8 socket serversMichael S2007/05/17 05:20 AM
      8 socket serversJoe Chang2007/05/17 07:38 AM
      8 socket serversAlex Jones2007/05/17 09:35 AM
      8 socket serversJose2007/05/23 08:23 AM
        8 socket serversMichael S2007/05/23 11:37 AM
          8 socket serversanonymous2007/05/26 03:49 PM
            8 socket serversJoe Chang2007/05/27 01:46 PM
        8 socket serversDoug Siebert2007/05/23 09:56 PM
          8 socket serversJoe Chang2007/05/24 04:33 AM
          8 socket serversAnonymous2007/05/24 11:18 AM
            8 socket serversDoug Siebert2007/05/24 10:47 PM
              8 socket serversLinus Torvalds2007/05/25 10:35 AM
          8 socket serversNick2007/05/25 02:29 AM
  Performance estimation seems oddHotar2007/05/17 01:54 AM
    Performance estimation seems oddDavid Kanter2007/05/17 08:38 AM
  microops vs macroops on page 4Peter Lund2007/05/17 12:04 PM
    microops vs macroops on page 4David Kanter2007/05/21 04:51 PM
      microops vs macroops on page 4EduardoS2007/05/21 05:42 PM
        microops vs macroops on page 4dess2007/05/21 07:00 PM
  Barcelona Article OnlinePeter Lund2007/05/17 12:25 PM
  macro-op vs. micro-opdess2007/05/21 07:24 AM
    macro-op vs. micro-opDavid Kanter2007/05/21 04:38 PM
      macro-op vs. micro-opdess2007/05/21 06:15 PM
        macro-op vs. micro-opDavid Kanter2007/05/22 12:11 AM
          macro-op vs. micro-opdess2007/05/22 03:56 AM
            macro-op vs. micro-opGipsel2007/05/22 05:05 AM
              macro-op vs. micro-opdess2007/05/22 05:52 AM
                macro-op vs. micro-opanonymous2007/05/22 06:14 AM
                  macro-op vs. micro-opdess2007/05/22 06:44 AM
                    macro-op vs. micro-opEduardoS2007/05/22 02:19 PM
                      macro-op vs. micro-opdess2007/05/24 08:52 AM
            Stop comparing apples to orangesEduardoS2007/05/22 02:30 PM
              Stop comparing apples to orangesdess2007/05/22 04:09 PM
                Stop comparing apples to orangesdess2007/05/22 04:30 PM
                Stop comparing apples to orangesEduardoS2007/05/22 04:31 PM
                  Stop comparing... apples to oranges?dess2007/05/24 09:30 AM
              Stop comparing apples to orangesanonymous2007/05/22 08:12 PM
                Stop comparing apples to orangesEduardoS2007/05/23 02:50 PM
          macro-op vs. micro-opanonymous2007/05/22 06:08 AM
            macro-op vs. micro-opdess2007/05/22 06:40 AM
              macro-op vs. micro-opanonymous2007/05/22 06:48 AM
      macro-op vs. micro-opdess2007/05/21 08:30 PM
        macro-op vs. micro-opanonymous2007/05/22 06:44 AM
          macro-op vs. micro-opdess2007/05/24 09:38 AM
      macro-op vs. micro-opMichael S2007/05/22 05:26 AM
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