vectorization of utf8

By: Maynard Handley (name99.delete@this.name99.org), July 13, 2020 10:46 pm
Room: Moderated Discussions
anon2 (anon.delete@this.anon.com) on July 13, 2020 5:07 pm wrote:
> Robert David Graham (robert_david_graham.delete@this.yahoo.com) on July 13, 2020 2:36 pm wrote:
> > Linus Torvalds (torvalds.delete@this.linux-foundation.org) on July 13, 2020 11:06 am wrote:
> > > If you have to normalize, do it only at literal "untrusted user entry". In that graphical
> > > UI box that the user actually types in. Or that network input side processing that
> > > expects a character string. Do the normalization there, and do it before you start
> > > parsing anything. If you do it any later, you're screwed and did it wrong.
> > >
> >
> > Good advice, but also wrong.
> >
> > Almost every boundary between two pieces of software is "untrusted user entry", either two things
> > communicating across a network, or something calling into library.
>
> Disagree. Calling a library that has entire or almost entire access to your
> address space, to do work on something where you don't trust its result? Insane.
> If you don't trust your library, then you can't use it. Simple.
>
> And network communication varies completely. You absolutely can "trust" your network data at one level if
> trust and integrity are established at other levels. Often network data is checked a bit more even in that
> case because its easy and possible at the performance scales you're dealing with. But not always. Clustered
> storage or RDMA or very high speed cluster? Network over the local host or via shared memory, data coming
> from your local NVMe drives? Threads of the same process? It's perfectly fine to take an appropriate level
> of trust at any and all of those cases and check what makes sense and trust what makes sense.
>
> > Our long history of input security
> > vulnerabilities comes from failing to treat data at such boundaries as "untrusted" .
> >
> > A good example is a recent Exim vulnerability. It checked "hostnames" when they came from DNS
> > and config files, but trusted that hostnames it got from the OpenSSL library were validated.
> > But they weren't, so a corrupted SNI field could hack the email server. This vuln worked with
> > not only OpenSSL, but also GnuTLS (as Exim support many different SSL libraries).
>
> All software has bugs. Some subset of bugs will be security issues. That's how it goes.
>
> >
> > The underlying problem was that it's not clear what the SNI field is supposed to contain.
> > Should SSL libraries treat it as a blob and simply pass it on through? Or should they validate
> > that it conforms to hostname rules? Should Unicode names be allowed? Or should only the DNS
> > punycode names be allowed? It's not clearly specified, so the SSL libraries treated it as
> > a blob and passed it on through. And Exim didn't validate it either, so bug.
>
> Right, but the bug is not in trusting the SSL library. If you don't trust it
> to handle domain names properly, then you certainly don't trust with your data
> or keys! Your solution would be for everyone to implement their own crypto.
>
> The reality is there was a bug in the spec or one or other project's
> reading of the spec, and that should be fixed accordingly.
>
> "Trust nobody" will _never_ lead to zero bugs, I can assure
> you of that. Or even fewer bugs, for that matter.
>
> >
> > Thus, everybody that writes libraries or uses libraries needs to
> > be concerned with validating UTF8 strings. Which is everybody.
>
> They need to be concerned with it as far as being aware of how they handle strings and
> how their libraries handle strings. They don't need to validate the damn thing everywhere
> between calling library functions or getting strings back from a library.
>

“Defense in depth” is diametrically opposed to “operate at maximal efficiency”.
But reality/experience suggests that you need to pay that cost of defense in depth, irritating and wasteful as it is.
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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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