Alder Lake and AVX-512

By: Maynard Handley (name99.delete@this.name99.org), July 11, 2020 10:16 pm
Room: Moderated Discussions
Ungo (a.delete@this.b.c.d.e) on July 11, 2020 5:28 pm wrote:
> Maynard Handley (name99.delete@this.name99.org) on July 11, 2020 2:02 pm wrote:
> > Linus Torvalds (torvalds.delete@this.linux-foundation.org) on July 11, 2020 11:41 am wrote:
> > > Stop with the special-case garbage, and make all the core common stuff that everybody
> > > cares about run as well as you humanly can. Then do a FPU that is barely good enough
> > > on the side, and people will be happy. AVX2 is much more than enough.
> >
> > Same opinions about SVE/2?
> > And do you expect the same side effects (eg frequency throttling)
> > when it moves to the (Apple) desktop and mobile?
> >
> > We've mentioned this before but I think it's undeniable that
> > - Apple cares about iPhone FP performance. It started off good on the A7, and it's continually
> > been improved since then, both improving latency and bumping from two to three NEON units.
> > - Apple has added AMX and, even though we (still!) don't know the details at all, it's there.
> > Is it purely for ML and limited to maybe int and BFloat16, or generic FP? Unclear.
> > - ARM likewise seems to care, as usual lagging two years or so behind Apple,
> > but also improving latency and moving to three units with the next core.
> >
> > So those guys presumably know something about their target code. But that's, admittedly, 128-wide.
> >
> > Enter SVE.
> > Would your contention be that for Apple's known market (mobile
> > and desktop) and for ARM's non HPC targets (so add in server)
> > - NEON is great
> > - SVE/2 might be a nice addition insofar as it gives you
> > masks, allows you to omit a bunch of I-cache-polluting
> > fix-up code, and gives you perhaps a 20% boost over relevant kernels, even at NEON 128 width?
> > - perhaps SVE at 256 width still makes sense. (The main additional cost you're now paying is
> > 256-wide lanes and registers; but not really much extra logic compared to two NEON units.)
> > - SVE at 512 wide doesn't make sense for either of them, only for HPC?
>
> Maynard, for a man who spends so much time obsessively trolling this place to pick fights about
> Apple, you don't seem to be paying much attention to what Apple is communicating to developers:
>
> ---
> https://developer.apple.com/documentation/apple_silicon/addressing_architectural_differences_in_your_macos_code
>
> If your code includes instructions for the SSE, AVX, AVX2, or AVX512 units of Intel processors, update
> that code to support Apple silicon. The best alternative to processor-specific vector code is to use
> the Accelerate framework, which provides a vast library of vector operations optimized for all Mac
> computers. Accelerate leverages all available hardware of the current system to perform:
> Vector and matrix computations
> Image manipulation
> Digital signal processing
> Linear algebra computations
> Compression
> Neural network operations
> ---
>
> They don't even mention NEON, much less SVE or AMX. This suggests that Apple wants ISVs
> to avoid direct use of SIMD ISA extensions, may not bother providing SVE at all, and almost
> certainly won't be exposing AMX outside API-level interfaces like Accelerate.

I'm sorry, but what are you talking about? This seems like an attempt to pick a fight for no reason whatever.
The question of the what API's Apple would prefer developers use is more or less completely independent of the question of the length of the vectors Apple provides in its hardware implementations. You would agree that Apple does still need to provide hardware to perform that work that's being routed through Accelerate, no?

(The advice to use Accelerate is also independent of Apple Silicon! Telling developers to use Accelerate has been official Apple policy since I was at Apple.)
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TopicPosted ByDate
Alder Lake and AVX-512me2020/07/11 07:02 AM
  Alder Lake and AVX-512Linus Torvalds2020/07/11 11:41 AM
    informative (NT)blue2020/07/11 12:40 PM
    grumpyMichael S2020/07/11 12:51 PM
      grumpyme2020/07/11 01:27 PM
    area and power cost of AVX-512Michael S2020/07/11 12:58 PM
      area and power cost of AVX-512Anon2020/07/11 04:35 PM
        area and power cost of AVX-512Michael S2020/07/12 04:16 AM
          area and power cost of AVX-512Travis Downs2020/07/12 09:13 AM
      area and power cost of AVX-512Travis Downs2020/07/11 07:19 PM
    Alder Lake and AVX-512Maynard Handley2020/07/11 02:02 PM
      Alder Lake and AVX-512Ungo2020/07/11 05:28 PM
        Alder Lake and AVX-512Maynard Handley2020/07/11 10:16 PM
      Alder Lake and AVX-512Linus Torvalds2020/07/11 06:51 PM
        Alder Lake and AVX-5122020/07/12 01:48 PM
          Alder Lake and AVX-512Michael S2020/07/12 03:07 PM
          HDRAnon32020/07/12 03:42 PM
            HDR10 in Kaby Lake?David Kanter2020/07/12 05:09 PM
              HDR10 in Kaby Lake?Maynard Handley2020/07/12 06:13 PM
                Thanks for the link (NT)David Kanter2020/07/12 06:43 PM
              HDR10 in Kaby Lake?Anon32020/07/13 01:36 AM
        Alder Lake and AVX-512Dummond D. Slow2020/07/12 03:00 PM
        AVX-512 with narrow ex units?m2020/07/23 12:10 PM
          AVX-512 with narrow ex units?Anon2020/07/23 12:53 PM
            AVX-512 with narrow ex units?Paul A. Clayton2020/07/23 06:32 PM
              AVX-512 with narrow ex units?Anon2020/07/23 06:50 PM
                AVX-512 with narrow ex units?Paul A. Clayton2020/07/23 07:45 PM
                  AVX-512 with narrow ex units?Anon2020/07/23 08:15 PM
                    AVX-512 with narrow ex units?Jukka Larja2020/07/24 04:44 AM
                      AVX-512 with narrow ex units?Gabriele Svelto2020/07/24 02:56 PM
                        AVX-512 with narrow ex units?Jouni Osmala2020/07/24 09:22 PM
                          AVX-512 with narrow ex units?Jukka Larja2020/07/25 01:32 AM
                      AVX-512 with narrow ex units?Eugene Nalimov2020/07/25 05:56 PM
                        AVX-512 with narrow ex units?Jukka Larja2020/07/26 01:28 AM
                        AVX-512 with narrow ex units?Gabriele Svelto2020/07/26 02:22 PM
                          AVX-512 with narrow ex units?Jukka Larja2020/07/27 07:00 AM
          AVX-512 with narrow ex units?-.-2020/07/23 06:32 PM
            AVX-512 with narrow ex units?Travis Downs2020/07/24 05:01 PM
    Alder Lake and AVX-512Jörn Engel2020/07/11 04:45 PM
      Alder Lake and AVX-512Chester2020/07/11 05:26 PM
        Alder Lake and AVX-512Jörn Engel2020/07/11 06:22 PM
        Alder Lake and AVX-512Michael S2020/07/12 02:02 AM
        Alder Lake and AVX-512Travis Downs2020/07/13 09:01 PM
      Alder Lake and AVX-512Linus Torvalds2020/07/11 06:54 PM
        Alder Lake and AVX-512Jörn Engel2020/07/11 08:01 PM
          Alder Lake and AVX-512N Owen2020/07/12 12:37 AM
            Alder Lake and AVX-512Michael S2020/07/12 01:48 AM
            Alder Lake and AVX-512anon22020/07/12 07:13 PM
          Alder Lake and AVX-512Travis Downs2020/07/13 09:09 PM
            Alder Lake and AVX-512Jörn Engel2020/07/13 11:42 PM
      Alder Lake and AVX-512Doug S2020/07/11 11:49 PM
        Alder Lake and AVX-512Michael S2020/07/12 01:53 AM
    Alder Lake and AVX-512Travis Downs2020/07/11 07:03 PM
      Alder Lake and AVX-512Veedrac2020/07/11 07:43 PM
        Alder Lake and AVX-512anon22020/07/12 01:31 AM
          Alder Lake and AVX-512Veedrac2020/07/12 04:01 AM
            Alder Lake and AVX-512anon22020/07/12 03:26 PM
              Alder Lake and AVX-512Anon32020/07/12 04:07 PM
                Alder Lake and AVX-512anon22020/07/12 05:39 PM
              Alder Lake and AVX-512Veedrac2020/07/12 04:21 PM
                Alder Lake and AVX-512anon22020/07/12 05:33 PM
                  Alder Lake and AVX-512Veedrac2020/07/12 05:54 PM
                    Alder Lake and AVX-512anon22020/07/12 06:20 PM
                  Alder Lake and AVX-512David Hess2020/07/12 07:32 PM
                    Alder Lake and AVX-512anon22020/07/12 08:41 PM
                Alder Lake and AVX-5122020/07/13 04:02 AM
                  Alder Lake and AVX-512anon22020/07/13 07:25 PM
                    PentiumMMX vs Transmeta's VLIW in hindsight2020/07/19 06:16 AM
                      PentiumMMX vs Transmeta's VLIW in hindsightMaynard Handley2020/07/19 10:47 AM
                      PentiumMMX vs Transmeta's VLIW in hindsightanon22020/07/19 03:24 PM
                      VLIW, OOO, Pairing, and FusionChester2020/07/19 10:16 PM
                        Poulson was in-order (NT)anon22020/07/20 12:20 AM
                        VLIW, OOO, Pairing, and FusionMichael S2020/07/20 12:48 AM
                        Itanium is NOT VLIWHeikki Kultala2020/07/20 02:27 PM
                          Itanium is NOT VLIWAdrian2020/07/20 11:03 PM
                            Itanium crappiness and EPIC - and could EPIC still have something good in it?Heikki Kultala2020/07/21 03:38 AM
                              Itanium crappiness and EPIC - and could EPIC still have something good in it?anon22020/07/21 05:03 AM
                                Itanium crappiness and EPIC - and could EPIC still have something good in it?dmcq2020/07/21 03:27 PM
                              Itanium crappiness and EPIC - and could EPIC still have something good in it?j2020/07/21 08:54 AM
                                Itanium crappiness and EPIC - and could EPIC still have something good in it?Tim McCaffrey2020/07/21 10:30 AM
                              Itanium crappiness and EPIC - and could EPIC still have something good in it?Linus Torvalds2020/07/21 09:13 AM
                                Itanium is not synomym of EPIC. Itanium is just the most common EPIC-style architectureHeikki Kultala2020/07/22 12:31 PM
                                  Turn that on its head?Ray2020/07/22 12:49 PM
                                    Turn that on its head?Anon2020/07/22 01:53 PM
                                    Turn that on its head?Maynard Handley2020/07/22 02:37 PM
                                    Turn that on its head?anon22020/07/22 03:32 PM
                                    Turn that on its head?anon32020/07/22 04:45 PM
                                    Turn that on its head?Heikki Kultala2020/07/23 02:53 AM
                                      Turn that on its head?Anon2020/07/23 10:20 AM
                                        Turn that on its head?Heikki Kultala2020/07/23 11:21 AM
                                          Turn that on its head?Brett2020/07/23 03:26 PM
                                            Turn that on its head?Brett2020/07/24 04:22 AM
                                      Bundling OOO entries does this implicitlyDavid Kanter2020/07/23 10:56 AM
                                      Turn that on its head?anon2020/07/23 11:49 AM
                                  Itanium is not synomym of EPIC. Itanium is just the most common EPIC-style architectureMaynard Handley2020/07/22 02:29 PM
                                  Itanium is not synomym of EPIC. Itanium is just the most common EPIC-style architecturewumpus2020/07/22 03:16 PM
                                    Itanium is not synomym of EPIC. Itanium is just the most common EPIC-style architectureDoug S2020/07/22 10:37 PM
                                      what Intel would have doneMichael S2020/07/23 12:46 AM
                                        what Intel would have doneDoug S2020/07/23 09:52 AM
                                        what Intel would have doneAnon2020/07/23 10:25 AM
                                          what Intel would have doneMichael S2020/07/23 11:23 AM
                                            what Intel would have doneMontaray Jack2020/07/23 06:08 PM
                                    Itanium is not synomym of EPIC. Itanium is just the most common EPIC-style architectureHeikki Kultala2020/07/22 11:47 PM
                                      Itanium is not synomym of EPIC. Itanium is just the most common EPIC-style architecturewumpus2020/07/23 01:46 PM
                                  Itanium is not synomym of EPIC. Itanium is just the most common EPIC-style architectureMichael S2020/07/23 12:56 AM
                                    Itanium is not synomym of EPIC. Itanium is just the most common EPIC-style architectureHeikki Kultala2020/07/23 02:44 AM
                          thanksChester2020/07/24 03:50 PM
      Alder Lake and AVX-512Linus Torvalds2020/07/11 07:46 PM
        Alder Lake and AVX-512never_released2020/07/11 08:54 PM
          Alder Lake and AVX-512Michael S2020/07/12 02:25 AM
        Alder Lake and AVX-512anon22020/07/12 01:36 AM
      Alder Lake and AVX-512Doug S2020/07/12 12:01 AM
      Alder Lake and AVX-512Michael S2020/07/12 02:41 AM
        Alder Lake and AVX-512rwessel2020/07/12 10:17 AM
      Alder Lake and AVX-512-.-2020/08/18 03:24 AM
        Alder Lake and AVX-512Travis Downs2020/08/18 11:04 PM
    Alder Lake and AVX-512Geoff Langdale2020/07/11 07:49 PM
      Alder Lake and AVX-512anon2020/07/11 08:12 PM
      Alder Lake and AVX-512Jörn Engel2020/07/11 08:33 PM
        Alder Lake and AVX-512Michael S2020/07/12 03:00 AM
        Alder Lake and AVX-512Jukka Larja2020/07/12 08:51 AM
          Alder Lake and AVX-512Maynard Handley2020/07/12 10:30 AM
            Alder Lake and AVX-512Jukka Larja2020/07/13 07:43 AM
              Alder Lake and AVX-512Montaray Jack2020/07/23 07:20 PM
                Alder Lake and AVX-512Jukka Larja2020/07/24 04:57 AM
          Alder Lake and AVX-512Jörn Engel2020/07/12 11:35 AM
            Alder Lake and AVX-512Linus Torvalds2020/07/12 12:01 PM
              Alder Lake and AVX-512Linus Torvalds2020/07/12 12:15 PM
                Alder Lake and AVX-512anonymou52020/07/12 01:50 PM
                  Alder Lake and AVX-512Linus Torvalds2020/07/12 02:31 PM
                    Alder Lake and AVX-512anonymou52020/07/12 03:09 PM
                      Alder Lake and AVX-512Linus Torvalds2020/07/12 04:25 PM
                        Alder Lake and AVX-512anonymou52020/07/12 08:34 PM
                          Alder Lake and AVX-512Jose2020/07/13 01:35 AM
                  Alder Lake and AVX-512gallier22020/07/13 02:11 AM
                Alder Lake and AVX-512gallier22020/07/13 02:01 AM
                  Alder Lake and AVX-512Linus Torvalds2020/07/13 11:06 AM
                    Alder Lake and AVX-512Doug S2020/07/13 12:11 PM
                      Alder Lake and AVX-512Brett2020/07/14 02:34 AM
                        Alder Lake and AVX-512Linus Torvalds2020/07/14 09:02 AM
                          Alder Lake and AVX-512Maynard Handley2020/07/14 12:40 PM
                            Alder Lake and AVX-512Michael S2020/07/14 12:48 PM
                            Alder Lake and AVX-512Linus Torvalds2020/07/15 01:37 AM
                              OS X file names normalizationMichael S2020/07/15 02:26 AM
                                OS X file names normalizationSimon Farnsworth2020/07/15 04:16 AM
                                  OS X file names normalizationMichael S2020/07/15 10:51 AM
                                    OS X file names normalizationSimon Farnsworth2020/07/15 12:27 PM
                                OS X file names normalizationDoug S2020/07/15 10:46 AM
                                  OS X file names normalizationMichael S2020/07/15 11:05 AM
                                    OS X file names normalizationLinus Torvalds2020/07/15 12:58 PM
                                      OS X file names normalizationLinus Torvalds2020/07/15 02:21 PM
                                      OS X file names normalizationgallier22020/07/15 11:57 PM
                                    OS X file names normalizationgallier22020/07/15 11:44 PM
                                  OS X file names normalizationRob Thorpe2020/07/15 11:23 AM
                                    OS X file names normalizationDoug S2020/07/15 01:32 PM
                                      OS X file names normalizationMaynard Handley2020/07/15 05:20 PM
                                        OS X file names normalizationLinus Torvalds2020/07/15 08:37 PM
                                          OS X file names normalizationAnon32020/07/16 01:43 PM
                                            OS X file names normalizationDoug S2020/07/16 03:38 PM
                                              OS X file names normalizationLinus Torvalds2020/07/17 12:21 AM
                                                OS X file names normalizationAnon32020/07/17 02:15 AM
                                                  OS X file names normalizationJukka Larja2020/07/17 06:40 AM
                                                OS X file names normalizationgallier22020/07/17 03:19 AM
                                                  OS X file names normalizationLinus Torvalds2020/07/17 09:41 AM
                                                    OS X file names normalizationDummond D. Slow2020/07/17 09:54 AM
                                                      OS X file names normalizationLinus Torvalds2020/07/17 10:16 AM
                                                      OS X file names normalizationSimon Farnsworth2020/07/18 06:12 AM
                                              OS X file names normalizationAnon32020/07/17 02:04 AM
                                                OS X file names normalizationDoug S2020/07/17 10:15 AM
                              Alder Lake and AVX-512Maynard Handley2020/07/15 10:32 AM
                            File Systems and VC ProblemsRob Thorpe2020/07/15 07:24 AM
                    vectorization of utf8Robert David Graham2020/07/13 02:36 PM
                      vectorization of utf8anon22020/07/13 05:07 PM
                        vectorization of utf8Robert David Graham2020/07/13 08:36 PM
                          vectorization of utf8anon22020/07/13 11:23 PM
                        vectorization of utf8Maynard Handley2020/07/13 10:46 PM
                      vectorization of utf8Gabriele Svelto2020/07/15 03:27 AM
                    Alder Lake and AVX-512gallier22020/07/14 01:13 AM
              Alder Lake and AVX-512Jörn Engel2020/07/12 01:29 PM
                Alder Lake and AVX-512Linus Torvalds2020/07/12 02:08 PM
                  Alder Lake and AVX-512Jörn Engel2020/07/12 06:26 PM
                    Alder Lake and AVX-512-.-2020/07/12 07:11 PM
                      Alder Lake and AVX-512Jörn Engel2020/07/12 07:43 PM
            Alder Lake and AVX-512Jukka Larja2020/07/13 08:38 AM
              Alder Lake and AVX-512Jörn Engel2020/07/13 10:10 AM
                Alder Lake and AVX-512Michael S2020/07/13 11:02 AM
                  Alder Lake and AVX-512Jörn Engel2020/07/13 11:22 AM
                    Alder Lake and AVX-512Michael S2020/07/13 12:10 PM
                      Alder Lake and AVX-512Jörn Engel2020/07/13 04:03 PM
                Alder Lake and AVX-512Jukka Larja2020/07/14 06:53 AM
      Alder Lake and AVX-512Linus Torvalds2020/07/11 08:34 PM
        Alder Lake and AVX-512Brett2020/07/11 09:02 PM
          Alder Lake and AVX-512David Hess2020/07/13 12:36 PM
            Alder Lake and AVX-512anonymou52020/07/13 01:01 PM
              Alder Lake and AVX-512Brett2020/07/13 04:19 PM
        Alder Lake and AVX-512Geert2020/07/11 09:36 PM
          AMD's FPUChester2020/07/12 02:28 AM
            Is 3|5 lower than 4?Michael S2020/07/12 03:59 AM
              Is 3|5 lower than 4?Chester2020/07/12 05:54 AM
        Alder Lake and AVX-512Geoff Langdale2020/07/11 11:45 PM
          Alder Lake and AVX-512me2020/07/12 03:44 AM
          Alder Lake and AVX-512Michael S2020/07/12 04:09 AM
          Alder Lake and AVX-512Linus Torvalds2020/07/12 11:35 AM
            ~80% of details are wrong. So what one can expect from conclusions? :( (NT)Michael S2020/07/12 11:57 AM
              ~80% of details are wrong. So what one can expect from conclusions? :(anonymous22020/07/12 12:50 PM
            Alder Lake and AVX-512nobody in particular2020/07/12 12:25 PM
              Alder Lake and AVX-512Linus Torvalds2020/07/12 12:37 PM
                Alder Lake and AVX-512nobody in particular2020/07/12 12:43 PM
                  Alder Lake and AVX-512me2020/07/12 01:32 PM
                    Alder Lake and AVX-512Maynard Handley2020/07/12 08:51 PM
            Alder Lake and AVX-512UnmaskedUnderflow2020/07/12 12:33 PM
            AVX-512 vs SVE2-.-2020/07/12 06:22 PM
              AVX-512 vs SVE2noko2020/07/13 12:12 AM
                AVX-512 vs SVE2-.-2020/07/13 04:00 AM
            Alder Lake and AVX-512Geoff Langdale2020/07/12 08:18 PM
              Could you please stop top-posting (NT)Jukka Larja2020/07/13 08:45 AM
              Alder Lake and AVX-512Romain Dolbeau2020/07/15 01:00 AM
            Alder Lake and AVX-512Spiteful Sprites2020/07/13 04:59 AM
              Alder Lake and AVX-512nobody in particular2020/07/13 09:12 AM
                Alder Lake and AVX-512Spiteful Sprites2020/07/13 04:21 PM
                  Alder Lake and AVX-512Jouni Osmala2020/07/14 02:55 AM
                  RISC-V & commercial support (was: Alder Lake and AVX-512)Romain Dolbeau2020/07/15 01:11 AM
                    RISC-V & commercial support (was: Alder Lake and AVX-512)Romain Dolbeau2020/07/15 01:13 AM
              Alder Lake and AVX-512Linus Torvalds2020/07/13 11:10 AM
            AVX-512/SVE & HPC (was: Alder Lake and AVX-512)Romain Dolbeau2020/07/14 10:09 AM
              AVX-512/SVE & HPC (was: Alder Lake and AVX-512)anon2020/07/14 10:53 AM
                AVX-512/SVE & HPC (was: Alder Lake and AVX-512)Romain Dolbeau2020/07/14 11:27 AM
                  AVX-512/SVE & HPC (was: Alder Lake and AVX-512)Maynard Handley2020/07/14 12:52 PM
                  AVX-512/SVE & HPC (was: Alder Lake and AVX-512)Doug S2020/07/14 01:43 PM
                  AVX-512/SVE & HPC (was: Alder Lake and AVX-512)anon2020/07/14 03:01 PM
              AVX-512/SVE & HPC (was: Alder Lake and AVX-512)Linus Torvalds2020/07/14 12:00 PM
                AVX-512/SVE & HPC (was: Alder Lake and AVX-512)Romain Dolbeau2020/07/14 11:42 PM
                  Configurable cache line size?Doug S2020/07/15 10:56 AM
                    Configurable cache line size?dmcq2020/07/15 03:43 PM
                    Configurable cache line size?Romain Dolbeau2020/07/15 11:37 PM
                    Configurable cache line size?NoSpammer2020/07/16 01:27 AM
                    Configurable cache line size?Pixie2020/07/16 10:55 AM
                      Configurable cache line size?Etienne2020/07/17 01:03 AM
                        Configurable cache line size?Hugo Décharnes2020/07/18 02:11 AM
                  Cache line sizeMark Roulo2020/07/15 06:10 PM
                    Cache line sizeanon2020/07/15 06:46 PM
                  AVX-512/SVE & HPC (was: Alder Lake and AVX-512)Gabriele Svelto2020/07/17 02:30 AM
                    AVX-512/SVE & HPC (was: Alder Lake and AVX-512)dmcq2020/07/17 03:34 AM
                      AVX-512/SVE & HPC (was: Alder Lake and AVX-512)zArchJon2020/07/17 01:16 PM
            Macro-instructions to the rescue2020/07/24 12:56 PM
              Some fundamentals haven't changedChester2020/07/24 03:59 PM
                Some fundamentals haven't changed2020/07/24 04:24 PM
                  Some fundamentals haven't changeddmcq2020/07/25 07:58 AM
                    Some fundamentals haven't changed2020/07/25 11:05 AM
                    Some fundamentals haven't changedBrett2020/07/25 02:16 PM
                      Some fundamentals haven't changedBrett2020/07/25 02:27 PM
                      What belt is.Heikki Kultala2020/07/26 07:49 AM
                        What belt is.Michael S2020/07/26 10:00 AM
                          What belt is.Brett2020/07/26 11:46 PM
                            What belt is.Michael S2020/07/27 12:52 AM
                              What belt is.Brett2020/07/27 07:25 AM
                                What belt is.Doug S2020/07/27 01:31 PM
                                  What belt is.Andrew Clough2020/07/28 06:11 AM
                                    What belt is.dmcq2020/07/28 08:17 AM
                                      Mill Compiler still MIA?Geoff Langdale2020/07/28 05:04 PM
                                        If they release the compiler, how they will blame the still-in-development compiler for the lacklust (NT)Anon2020/07/28 05:20 PM
                                          If they release the compiler, how they will blame the still-in-development compiler for the lacklustAnon2020/07/28 05:20 PM
                                        Apparently they're busy writing a kernel...Anon2020/07/29 03:03 AM
                                          Apparently they're busy writing a kernel...dmcq2020/07/29 03:39 AM
                        What belt is.2020/07/26 11:44 AM
                          What belt is.anonymous22020/07/26 12:02 PM
                            What belt is.Doug S2020/07/26 03:26 PM
                              What belt is.2020/07/26 04:02 PM
        gooduseruser2020/07/12 10:06 AM
      Alder Lake and AVX-512-.-2020/07/11 09:03 PM
        Alder Lake and AVX-512-.-2020/07/11 09:07 PM
      Alder Lake and AVX-512j2020/07/13 12:29 AM
        Alder Lake and AVX-512Michael S2020/07/13 01:12 AM
          Alder Lake and AVX-512j2020/07/13 02:58 AM
            Alder Lake and AVX-512dmcq2020/07/13 04:53 PM
              Alder Lake and AVX-512Michael S2020/07/14 12:57 AM
                Alder Lake and AVX-512Maynard Handley2020/07/14 10:26 AM
                Alder Lake and AVX-512dmcq2020/07/14 12:33 PM
                  Alder Lake and AVX-512dmcq2020/07/14 03:43 PM
                    Alder Lake and AVX-512Michael S2020/07/15 12:55 AM
                      Alder Lake and AVX-512dmcq2020/07/15 02:19 AM
                        Alder Lake and AVX-512Michael S2020/07/15 02:34 AM
                          Alder Lake and AVX-512dmcq2020/07/15 03:03 AM
                            Alder Lake and AVX-512Michael S2020/07/15 09:43 AM
                              Alder Lake and AVX-512dmcq2020/07/15 09:54 AM
                                Alder Lake and AVX-512Michael S2020/07/15 11:35 AM
                                  Alder Lake and AVX-512dmcq2020/07/15 03:18 PM
                                    GV100 + POWER9Michael S2020/07/16 01:17 AM
                                      GV100 + POWER9dmcq2020/07/16 08:58 AM
                                        GV100 + POWER9dmcq2020/07/16 09:10 AM
                        Alder Lake and AVX-512dmcq2020/07/15 02:48 AM
    Alder Lake and AVX-512o2020/07/12 03:08 AM
    Alder Lake and AVX-5122020/07/12 11:07 AM
      Alder Lake and AVX-5122020/07/12 11:32 AM
      Alder Lake and AVX-512Linus Torvalds2020/07/12 11:39 AM
        Alder Lake and AVX-5122020/07/12 12:47 PM
        Alder Lake and AVX-512Michael S2020/07/12 01:18 PM
          x87 crapHeikki Kultala2020/07/12 01:30 PM
            x87 crapMichael S2020/07/12 01:37 PM
              x87 crapHeikki kultala2020/07/12 02:11 PM
                x87 crapMichael S2020/07/12 02:50 PM
                  Sparc and PA-RISC vs pentium FP performanceHeikki Kultala2020/07/13 01:14 AM
                    Sparc and PA-RISC vs pentium FP performanceanonymous22020/07/13 10:48 AM
          Alder Lake and AVX-512Doug S2020/07/12 03:33 PM
            Alder Lake and AVX-512Michael S2020/07/12 04:10 PM
    Alder Lake and AVX-512David Kanter2020/07/12 05:01 PM
      Alder Lake and AVX-512anon2020/07/12 05:40 PM
      ~0% of users do much FP outside of GPUs for games (NT)anonymous22020/07/12 05:47 PM
        ~0% of users do much FP outside of GPUs for gamesMaynard Handley2020/07/13 12:26 AM
        not trueChester2020/07/13 12:37 AM
          not trueMichael S2020/07/13 01:29 AM
            not trueChester2020/07/13 01:59 AM
              not trueanonymous22020/07/13 10:32 AM
                not trueMaynard Handley2020/07/13 02:30 PM
                  not trueChester2020/07/14 05:47 AM
            not trueDoug S2020/07/13 12:30 PM
              not trueAnon2020/07/13 01:16 PM
                not trueMaynard Handley2020/07/13 02:39 PM
              not trueMaynard Handley2020/07/13 02:38 PM
          not trueLinus Torvalds2020/07/13 11:27 AM
            not trueDummond D. Slow2020/07/13 02:10 PM
              not trueMaynard Handley2020/07/13 02:49 PM
                not trueDummond D. Slow2020/07/13 03:38 PM
            not true (about FP, not avx-512)Chester2020/07/17 10:37 AM
  Alder Lake and AVX-512Travis Downs2020/07/11 06:45 PM
    Alder Lake and AVX-512-.-2020/07/11 06:57 PM
      Alder Lake and AVX-512-.-2020/07/12 04:26 PM
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