not true

By: Linus Torvalds (torvalds.delete@this.linux-foundation.org), July 13, 2020 10:27 am
Room: Moderated Discussions
Chester (lamchester.delete@this.gmail.com) on July 13, 2020 12:37 am wrote:
>
> Javscript numbers are FP64 so FP matters even for web browsing

Others have pointed out type specialization, but I'll point out that a lot of FP use cases are "you use FP, but it doesn't have to be very intensive".

Stupid JS interpreters very much fall under that heading. You don't really need to have a highly optimized vector FP unit. To be honest, it almost certainly doesn't even need to be pipelined. The old (bad) kind of thing people had 30 years ago is plenty good enough for a lot of loads.

I agree that "FP is important" in the sense that it should exist. Soft-FP is too painful for words. It's easy to find places where soft-FP implementations will be too slow (or too power-hungry for embedded).

So you want a FPU. I agree 100% with that. It's just that there's a big big difference between a chip that has "FPU hardware" and one that has "full AVX512".

In fact, for a lot of stuff you don't even need double precision. I'm pretty sure I've seen JS for microcontrollers - ie the ARM M4 kind that does have a FPU, but it's SP only, no DP.

> Photo editing/raw conversion - lots of FP there, often vectorized too

Do it on the GPU if you actually want FP and performance.

That said, I agree more about integer vectorization than I do about FP vectorization. There are actually lots of loads that can very effectively use (moderate) integer - particularly byte-wide - vectorization for some very basic parsing. Things you don't do on a FPU.

> Video encode will use AVX if you use software, which gives higher quality than hardware encode

That says more about the quality of the hw than about AVX.

And honestly, if you care about performance, you will do it with a hardware encoder. Don't fool yourself. They aren't perfect, but they tend to generally be in the "good enough" to "pretty damn good" category. If you want something really special, you are really special, and you shouldn't claim that it's a common problem any more.

> 3D rendering also uses AVX/FP, and some of that can't run on GPUs for various reasons

And by "some" you mean "miniscule amount that doesn't matter one whit to any normal person, and doesn't even matter to most specialized professionals".

And where I think the GPU's are making strides too, so the "some" is actually much smaller today than it was five years ago, and it will be smaller still five years from now.

Again, not a strong argument for wasting everybodys time and effort with AVX512.

> Excel/spreadsheet programs use floating point, though of course
> you need a really huge one to feel any difference between CPUs

You really do. That may be where you want a decent FPU (ie not the "non-pipelined simplest thing possible" that I mentioned for the KS example. But once again, I'll claim you'll be really hard pressed to find people who care about something like AVX512 and Excel.

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