Apple’s STEM Ambitions

By: noko (noko.delete@this.noko.com), June 17, 2022 7:32 pm
Room: Moderated Discussions
--- (---.delete@this.redheron.com) on June 17, 2022 9:33 am wrote:
> Sean M (sean.delete@this.none.com) on June 17, 2022 4:18 am wrote:
> > --- (---.delete@this.redheron.com) on June 16, 2022 10:53 pm wrote:
> > > Let me remind you once again that Apple has ambitions far grander
> > > than most people here imagine. Apple was pretty much the platform
> > > of choice for the STEM crowd when they were on Intel, and they
> > > have every ambition to be back there (along with other goals).
> >
> > I’m interested in your comment above about Apple’s STEM ambitions. The paragraph
> > [0048] in the patent you provided a link for mentions support for page sizes up to 512
> > MBytes. The L2 TLB in the M1 has 3072 entries so that would cover 1.5 TBytes with 512
> > MByte pages. The maximum DRAM size of the current Mac Pro is also 1.5 TBytes.
> >
> > Are you saying that since consumers don’t need 1.5 TBytes of DRAM, support for 512 MByte pages
> > suggests Apple is interested in STEM applications? Or did you accidently post a link to the wrong
> > Apple patent (Reducing Translation Lookaside Buffer Searches for Splintered Pages)?
>
> That's the patent I wanted.
> BWT one of the two companion patents filed at the same time strongly suggests
> that the L2 TLB in a "new" design (perhaps already the A15) will have 4096 entries
> (256 sets, 16 ways, as opposed to the current 256 sets 12 ways).
>
> The point of interest is not just the huge pages, it's the RANGE of page sizes. Why
> would a company that has been happy with 16K pages for years now decide that
> - it wants to support large pages
> - and not just one large page size
> - and (most specifically) why THOSE sizes...

That's literally what Cortex processors have supported for a while now (at least since A76), minus 4kb and 1gb.
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TopicPosted ByDate
M2 benchmarks-2022/06/15 12:27 PM
  You mean "absurd ARM"? ;-) (NT)Rayla2022/06/15 02:18 PM
    It has PPC heritage :) (NT)anon22022/06/15 02:55 PM
      Performance per clock2022/06/15 03:05 PM
        Performance per single clock cyclehobold2022/06/16 05:12 AM
          Performance per single clock cycledmcq2022/06/16 06:59 AM
            Performance per single clock cyclehobold2022/06/16 07:42 AM
          Performance per single clock cycleDoug S2022/06/16 09:39 AM
            Performance per single clock cyclehobold2022/06/16 12:36 PM
            More like cascaded ALUsPaul A. Clayton2022/06/16 01:13 PM
              SuperSPARC ALUMark Roulo2022/06/16 01:57 PM
                LEABrett2022/06/16 02:52 PM
  M2 benchmarksDaveC2022/06/15 03:31 PM
    M2 benchmarksanon22022/06/15 05:06 PM
    M2 benchmarks2022/06/15 07:21 PM
    M2 benchmarks---2022/06/15 07:33 PM
  M2 benchmarksAdrian2022/06/15 10:11 PM
    M2 benchmarksEric Fink2022/06/16 12:07 AM
      M2 benchmarksAdrian2022/06/16 02:09 AM
        M2 benchmarksEric Fink2022/06/16 05:46 AM
          M2 benchmarksAdrian2022/06/16 09:27 AM
            M2 benchmarks---2022/06/16 10:08 AM
              M2 benchmarksAdrian2022/06/16 11:43 AM
                M2 benchmarksDummond D. Slow2022/06/16 01:03 PM
                  M2 benchmarksAdrian2022/06/17 03:34 AM
                    M2 benchmarksDummond D. Slow2022/06/17 07:35 AM
            M2 benchmarksnone2022/06/16 10:14 AM
              M2 benchmarksAdrian2022/06/16 12:44 PM
            M2 benchmarksEric Fink2022/06/17 02:05 AM
        M2 benchmarksAnon2022/06/16 06:28 AM
          M2 benchmarks => MTAdrian2022/06/16 11:04 AM
            M2 benchmarks => MTAnon2022/06/18 02:38 AM
              M2 benchmarks => MTAdrian2022/06/18 03:25 AM
                M2 benchmarks => MT---2022/06/18 10:14 AM
      M2 benchmarksDoug S2022/06/16 09:49 AM
        M2 Pro at 3nmEric Fink2022/06/17 02:51 AM
    M2 benchmarksSean M2022/06/16 01:00 AM
      M2 benchmarksDoug S2022/06/16 09:56 AM
        M2 benchmarksjoema2022/06/16 01:28 PM
          M2 benchmarksSean M2022/06/16 02:53 PM
            M2 benchmarksDoug S2022/06/16 09:19 PM
              M2 benchmarksDoug S2022/06/16 09:21 PM
                M2 benchmarks---2022/06/16 10:53 PM
                  M2 benchmarksDoug S2022/06/17 12:37 AM
                  Apple’s STEM AmbitionsSean M2022/06/17 04:18 AM
                    Apple’s STEM Ambitions---2022/06/17 09:33 AM
                      Mac Pro with Nvidia H100Tony Wu2022/06/17 06:37 PM
                        Mac Pro with Nvidia H100Doug S2022/06/17 10:37 PM
                          Mac Pro with Nvidia H100Tony Wu2022/06/18 06:49 AM
                            Mac Pro with Nvidia H100Dan Fay2022/06/18 07:40 AM
                          Mac Pro with Nvidia H100Anon42022/06/20 09:04 AM
                            Mac Pro with Nvidia H100Simon Farnsworth2022/06/20 10:09 AM
                              Mac Pro with Nvidia H100Doug S2022/06/20 10:32 AM
                                Mac Pro with Nvidia H100Simon Farnsworth2022/06/20 11:20 AM
                              Mac Pro with Nvidia H100Anon42022/06/20 04:16 PM
                            Mac Pro with Nvidia H100Doug S2022/06/20 10:19 AM
                        Mac Pro with Nvidia H100me2022/06/18 07:17 AM
                          Mac Pro with Nvidia H100Tony Wu2022/06/18 09:28 AM
                            Mac Pro with Nvidia H100me2022/06/19 10:08 AM
                              Mac Pro with Nvidia H100Dummond D. Slow2022/06/19 10:51 AM
                                Mac Pro with Nvidia H100Elliott H2022/06/19 06:39 PM
                            Mac Pro with Nvidia H100Doug S2022/06/19 06:16 PM
                              Mac Pro with Nvidia H100---2022/06/19 06:56 PM
                                Mac Pro with Nvidia H100Sam G2022/06/19 11:00 PM
                                  Mac Pro with Nvidia H100---2022/06/20 06:25 AM
                                    Mac Pro with Nvidia H100anon52022/06/20 08:41 AM
                                      Mac Pro with Nvidia H100Sam G2022/06/20 07:22 PM
                                    Mac Pro with Nvidia H100Sam G2022/06/20 07:13 PM
                                      Mac Pro with Nvidia H100Doug S2022/06/20 10:19 PM
                                        Mac Pro with Nvidia H100Sam G2022/06/22 12:06 AM
                                          Mac Pro with Nvidia H100Doug S2022/06/22 09:18 AM
                                  Mac Pro with Nvidia H100Doug S2022/06/20 10:38 AM
                                    Mac Pro with Nvidia H100Sam G2022/06/20 07:17 PM
                              Mac Pro with Nvidia H100Dummond D. Slow2022/06/20 05:46 PM
                      Apple’s STEM Ambitionsnoko2022/06/17 07:32 PM
                      Quick aside: huge pages also useful for nested page tables (virtualization) (NT)Paul A. Clayton2022/06/18 06:28 AM
                        Quick aside: huge pages also useful for nested page tables (virtualization)---2022/06/18 10:16 AM
          Not this nonsense againAnon2022/06/16 03:06 PM
            Parallel video encodingWes Felter2022/06/16 04:57 PM
              Parallel video encodingDummond D. Slow2022/06/16 07:16 PM
                Parallel video encodingWes Felter2022/06/16 07:49 PM
              Parallel video encoding---2022/06/16 07:41 PM
                Parallel video encodingDummond D. Slow2022/06/16 10:08 PM
                  Parallel video encoding---2022/06/16 11:03 PM
                    Parallel video encodingDummond D. Slow2022/06/17 07:45 AM
            Not this nonsense againjoema2022/06/16 09:13 PM
              Not this nonsense again---2022/06/16 11:18 PM
  M2 benchmarks-DDR4 vs DDR5Per Hesselgren2022/06/16 01:09 AM
    M2 benchmarks-DDR4 vs DDR5Rayla2022/06/16 08:12 AM
      M2 benchmarks-DDR4 vs DDR5Doug S2022/06/16 09:58 AM
        M2 benchmarks-DDR4 vs DDR5Rayla2022/06/16 11:58 AM
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