Nobody wnats low performance server processors?

By: David Kanter (dkanter.delete@this.realworldtech.com), March 13, 2016 1:04 am
Room: Moderated Discussions
nobody in particular (nobody.delete@this.nowhe.re) on March 12, 2016 10:27 am wrote:
> David Kanter (dkanter.delete@this.realworldtech.com) on March 11, 2016 9:38 am wrote:
> > Paul A. Clayton (paaronclayton.delete@this.gmail.com) on March 9, 2016 2:22 pm wrote:
> > > David Kanter (dkanter.delete@this.realworldtech.com) on March 8, 2016 8:50 pm wrote:
> > > [snip]
> > > > As it turns out, nobody really wants low performance server processors. Who
> > > > could have imagined? :)
> > >
> > > Even if you mean "processor" in the sense of socket/chip,
> > > I think "nobody" might be an exaggeration. The volume
> > > of potential sales might well be insufficient to support
> > > the development and manufacture of such systems, but
> > > I suspect there are use cases where the physical traits and incremental costs would be a good match.
> >
> > Nobody is a bit hyperbolic, but if you cannot get enough customers to buy a lot you are dead. Remember that
> > developing a processor probably runs around $100M. So you need enough volume to make everything work.
> >
> > With 20M server processors, and 200M client processors, Intel gets the CPU core for free and only needs
> > to spend money developing the cache, fabric, memory controller, PCIe, power management, etc.
> >
> > > If you mean "low performance core", I am even more skeptical that "nobody" wants such. A core with
> > > 90% the performance of current high-end cores would be much smaller and measurably more energy efficient,
> > > especially if there is significant specialization for "server"
> > > workloads. While going below half performance
> > > may not be useful (given the area and power overheads of the memory system),
> >
> > I agree that would be compelling. But so far, nobody (save
> > IBM or Sun) has come up with a core that delivers
> > much more than half the performance of an Intel server core.
>
> You're leaving out Fujitsu (assuming you mean general-purpose cores only.)

Point well taken. I think the XLP cores are also reasonably high performance, but I've never seen SPEC scores.

David
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TopicPosted ByDate
X-Gene 3 power enelopeRonald Maas2016/03/07 10:23 PM
  X-Gene 3 power enelopeDavid Kanter2016/03/08 09:50 PM
    X-Gene 3 power enelopecanon2016/03/09 09:32 AM
      X-Gene 3 power enelopeAlberto2016/03/09 03:38 PM
    Nobody wnats low performance server processors?Paul A. Clayton2016/03/09 03:22 PM
      Nobody wnats low performance server processors?Ricardo B2016/03/09 05:05 PM
        Nobody wants low performance server processors?Doug S2016/03/10 09:03 AM
          Nobody wants low performance server processors?Ricardo B2016/03/10 10:35 AM
            bad size comparison between Apple A9 and skylake coresHeikki Kultala2016/03/12 05:37 AM
              bad size comparison between Apple A9 and skylake coresAlberto2016/03/12 02:04 PM
                bad size comparison between Apple A9 and skylake coresMaynard Handley2016/03/13 02:39 PM
                  bad size comparison between Apple A9 and skylake coresDoug S2016/03/13 06:10 PM
                  Comparing A9 and SkylakeDavid Kanter2016/03/13 06:15 PM
                    Core sizes & performanceHans de Vries2016/03/14 05:36 AM
                      Core sizes & performanceDavid Kanter2016/03/14 09:16 AM
                        Core sizes & performanceVertexMaster2016/03/14 12:37 PM
                          Core sizes & performancejuanrga2016/03/15 05:40 AM
                          Core sizes & performanceDavid Kanter2016/03/15 06:59 PM
                            Core sizes & performanceyellowhighlighter2016/03/15 09:30 PM
                      Core sizes & performance: Zen & K12juanrga2016/03/15 05:54 AM
        Common wisdom??Paul A. Clayton2016/03/10 09:33 AM
          Common wisdom??Ricardo B2016/03/10 10:49 AM
            Common wisdom??wumpus2016/03/10 01:32 PM
        Nobody wnats low performance server processors?juanrga2016/03/12 12:43 PM
      Nobody wnats low performance server processors?Linus Torvalds2016/03/10 11:52 AM
      Nobody wnats low performance server processors?David Kanter2016/03/11 10:38 AM
        Nobody wnats low performance server processors?MrJava2016/03/11 04:52 PM
        Nobody wnats low performance server processors?wumpus2016/03/12 10:15 AM
        Nobody wnats low performance server processors?nobody in particular2016/03/12 11:27 AM
          Nobody wnats low performance server processors?David Kanter2016/03/13 01:04 AM
  X-Gene 3 power enelopejuanrga2016/03/12 12:33 PM
    X-Gene 3 power enelopeRonald Maas2016/03/14 07:23 PM
      X-Gene 3 power enelopeGabriele Svelto2016/03/15 02:37 AM
        X-Gene 3 power enelopecanon2016/03/15 10:30 AM
        X-Gene 3 power enelopeMichael S2016/03/15 10:47 AM
          X-Gene 3 power enelopecanon2016/03/15 12:03 PM
        X-Gene 3 power enelopeRonald Maas2016/03/15 07:39 PM
      X-Gene 3 power enelopedmcq2016/03/16 07:28 AM
        X-Gene 3 power enelopeanon2016/03/17 07:44 PM
          X-Gene 3 power enelopeRonald Maas2016/03/22 07:49 AM
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