Apple’s STEM Ambitions

By: Sean M (sean.delete@this.none.com), June 17, 2022 4:18 am
Room: Moderated Discussions
--- (---.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)?

STEM applications need a lot of 64-bit floating point performance while cell phone applications don’t. How do you think Apple will reconcile this difference in requirements? Would it be by putting a lot of 64-bit floating point hardware in the AMX block and not including the AMX block in their cell phone chips? Since there is only one AMX block per four P-cores, how could that be competitive with dual AXV-512 units with fused multiply-adds in every core? Do you think Apple will make two different implementations of SVE2, with long hardware vectors in the M series and short hardware vectors in the A series? Does Apple currently support floating point fused multiply-adds in NEON, which is an optional ARM NEON extension? Other than this patent, have you seen other hints that suggest Apple is interested in STEM applications?

I admire anyone who can read the tortured prose used in patents without immediately falling asleep.
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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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