Intel's Groveport Platform

By: anon (anon.delete@this.anon.com), April 17, 2017 6:32 pm
Room: Moderated Discussions
Brendan (btrotter.delete@this.gmail.com) on April 17, 2017 5:35 pm wrote:
> Hi,
>
> Michael S (already5chosen.delete@this.yahoo.com) on April 17, 2017 4:18 pm wrote:
> > Brendan (btrotter.delete@this.gmail.com) on April 17, 2017 3:13 pm wrote:
> > > > IMHO, it's bloody obvious than if KNL has any chance at all to be competitive against "normal" Xeon
> > > > on non-HPC loads then it's *only* when there is a lot of parallel tasks ready all the time. *Much* more
> > > > tasks than mere 32 that are needed for full utilization of a pair of hyperthreaded 8-core Xeons.
> > >
> > > Yes; and it would be extremely foolish to assume that HPC
> > > is the only case where there is a lot of parallel tasks.
> >
> > But HPC, at least some classes of it, is the one of the few tasks, and likely the most important among them
> > by far, where KNL's dual 512-bit SIMD units can be advantageous.
> > Very-high-bandwidth, but not very low latency,
> > HMC-alike memory is also advantageous only for relatively small class of non-HPC workloads.
>
> Um, what?
>
> HPC is mostly "same as mainstream, just more of it",

It isn't really. Unless you define mainstream so broadly it doesn't mean anything.

> > No, i didn't say anything like that. KNL is definitely much faster than dual-2620v4 on vectorizable FP, and
> > even somewhat faster (not a lot, 15% or so) at SPECFp2006_rate, probably due to great memory bandwidth.
> > But you were talking about workloads that resemble SPECInt_rate, don't you?
>
> I threw a mixed bag of everything out there (from compilers to amateur CPU generated animated movies).

None of those you listed would want a Xeon Phi.

Not an office with 40 thin clients could use Xeon Phi.

Not a game developer who wants to support MCDRAM and AVX512 (they will wait at least until it is in high end consumer stuff, if they are serious developers and want to support it before that, Intel will provide engineering samples 6 months or so before release).

Not software developers that want to use Xeon Phi as "single server compile farm".

Not a game console called Playstation Pro Extreme.

Only possible one is amateur rendering videos, but they already have a decent GPU or two with their rendering software running on it, so they won't pay for a Xeon Phi.
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TopicPosted ByDate
Intel's Groveport PlatformMS04/11/17 01:41 PM
  Intel's Groveport PlatformDaveC04/11/17 05:47 PM
    Intel's Groveport PlatformMichael S04/12/17 07:14 AM
  Intel's Groveport PlatformBrendan04/12/17 05:49 AM
    Intel's Groveport PlatformMS04/12/17 03:23 PM
      Intel's Groveport PlatformBrendan04/12/17 07:50 PM
        Intel's Groveport PlatformMichael S04/13/17 10:51 AM
          Intel's Groveport PlatformBrendan04/14/17 07:40 AM
            Intel's Groveport PlatformMichael S04/14/17 08:09 AM
              Intel's Groveport PlatformBrendan04/14/17 12:23 PM
                Intel's Groveport PlatformMichael S04/17/17 01:43 PM
                  Intel's Groveport PlatformBrendan04/17/17 03:13 PM
                    Intel's Groveport PlatformMichael S04/17/17 04:18 PM
                      Intel's Groveport PlatformBrendan04/17/17 05:35 PM
                        Intel's Groveport Platformanon04/17/17 06:32 PM
                          Intel's Groveport PlatformBrendan04/17/17 08:31 PM
                            Intel's Groveport Platformanon04/17/17 10:39 PM
                              Intel's Groveport PlatformBrendan04/17/17 11:48 PM
                                Intel's Groveport PlatformMichael S04/18/17 01:40 AM
                                Intel's Groveport Platformanon04/18/17 03:32 AM
                                  Intel's Groveport PlatformBrendan04/19/17 04:43 PM
                                    Intel's Groveport Platformanon04/21/17 05:10 PM
                                    Intel's Groveport PlatformJukka Larja04/21/17 11:09 PM
                            Intel's Groveport PlatformMichael S04/18/17 01:17 AM
                            Intel's Groveport PlatformMichael S04/18/17 01:29 AM
                        Intel's Groveport PlatformMaynard Handley04/17/17 09:40 PM
                          Intel's Groveport PlatformBrendan04/17/17 10:13 PM
                          snowflakesMichael S04/18/17 01:06 AM
                            snowflakesAaron Spink04/18/17 07:21 AM
                              strawberries Daniel B04/20/17 04:31 AM
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