Harpertown Preview Online

Article: Harpertown Performance Preview
By: Marcin Niewiadomski (marcin.niewiadomski.delete@this.gmail.com), November 9, 2007 11:59 am
Room: Moderated Discussions
Hi David,

I've an impression that I just saw first "benchmark-style" article on RealWorldTech. It looks quite nice I think, but I have a bit mixed feelings...

1. On one side it could be analyzed in more detail (please see remarks below), but on the other hand - I like RWT for being "very technical" site (especially I like the very good architectural drawings).

2. You're right that it would be better compare a bit different processors, as 2.33 Clovertown has 7x multiplier, while 3.0 Hampertown has 7.5x, additionally we would need to ensure that memory latencies are same (in terms of cycles - maybe it would be good to add latency data to table on page 3?). Still I think that the difference in multiplier is not big enough to question Your estimates.

3. As I'm not entirely sure how snoop filters are implemented - does 24MB snoop filter means it is capable of work with 24MB of L2 cache total or it actually has a 24MB buffer inside? (btw: it would be also nice to know what is a real-world impact of four affinity groups in snoop filter)

I hope it helps a bit.

Best regards,
Marcin N.
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TopicPosted ByDate
Harpertown Preview OnlineDavid Kanter2007/11/09 06:44 AM
  Stoakley vs. BensleyAnonymous12007/11/09 08:58 AM
  Harpertown Preview OnlineMarcin Niewiadomski2007/11/09 11:59 AM
    Harpertown Preview OnlineDavid Kanter2007/11/09 06:51 PM
      So...anonymous2007/11/09 07:47 PM
        So...anon2007/11/09 08:49 PM
          So...anonymous2007/11/09 09:25 PM
            So...anon2007/11/09 10:50 PM
              That's just how I writeDavid Kanter2007/11/10 12:44 PM
                That's just how I writeanonymous2007/11/10 04:58 PM
                  That's just how I writeDean Kent2007/11/10 07:27 PM
                    ;-)anonymous2007/11/10 07:31 PM
      Harpertown Preview Onlineanonymous2007/11/09 11:10 PM
        Harpertown Preview OnlineDavid Kanter2007/11/10 01:49 PM
      Harpertown Preview OnlineMarcin Niewiadomski2007/11/10 03:10 AM
        Harpertown Preview OnlineMarcin Dalecki2007/11/11 04:01 AM
          Harpertown Preview OnlineJoe Chang2007/11/11 09:56 AM
            Harpertown Preview OnlineJoe Chang2007/11/11 06:15 PM
  xmlmark and jbbHenrik S2007/11/09 12:30 PM
    alsoHenrik S2007/11/09 12:43 PM
      alsoDavid Kanter2007/11/09 06:52 PM
        alsoHenrik S2007/11/10 12:09 AM
  Harpertown Preview Online*(&^2007/11/09 11:38 PM
    Harpertown Preview OnlineDavid Kanter2007/11/10 01:53 PM
  Supermicro MBgpriatko2007/11/11 12:48 PM
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      Supermicro MBDavid Kanter2007/11/13 12:52 AM
        800 MHz vs 667 MHz FB-DIMMsgpriatko2007/11/13 08:09 PM
          800 MHz vs 667 MHz FB-DIMMsDavid Kanter2007/11/14 12:38 AM
            800 MHz vs 667 MHz FB-DIMMsgpriatko2007/11/15 08:29 PM
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    New O-O-O transaction Mode?Michael S2007/11/13 02:05 AM
    New O-O-O transaction Mode?David Kanter2007/11/13 03:46 AM
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