Interesting ARM compatibility shim for Windows 11

By: Foo_ (foo.delete@this.nomail.com), July 4, 2021 6:31 am
Room: Moderated Discussions
Doug S (foo.delete@this.bar.bar) on July 4, 2021 5:18 am wrote:
> >
> > Why do you think so? Apparently 16-bit x86 support is being phased out of Windows (it's
> > not provided by default anymore in Windows 10). It just took them a long time.
>
> OK so by that timeline then they will drop ARM64EC somewhere around
> 2055? That's approximately "never" as far as I'm concerned.

Ok, cool. Next time, state your own definition of words up front :-)

> You're assuming that everything performance critical would be ported. If they have third party libraries
> like Linus indicates, and like the example Michael S gave (IPP) which includes exactly the kind of
> performance critical stuff which may hurt performance if forced to run via emulation...

Sure. But while IPP, being the child of Intel, may not be ported to ARM, I expect most important and well-maintained libraries to get an ARM port at some point (especially as ARM on Linux is already an important target for many use cases), at least *if* Windows on ARM is moderately successful.

> I don't understand your argument here. First you state "they know the cost of providing an x86 emulation
> layer", which is irrelevant because they have to provide that regardless of the strategy they adopt, unless
> that strategy is "Windows/ARM is a completely separate product so only ARM applications will run". Then
> you argue "porting software to another architecture should most of the time be quite easy".
>
> If it is so easy, why bother with the ARM64EC crutch?

Because, as already stated, there is some old software and libraries that *will not* be ported. That old software is probably not performance-critical, but it needs to be able to run anyway, because sometimes it's business-critical.

> That lack of financial incentive is the problem with an architecture that's an alternative to the mainstream
> rather than a migration path.

No, it's simply the problem with software that was developed one or two decades ago by some small companies that have since closed doors or changed their business model entirely. The financial incentive is irrelevant when it's not *possible* to port.
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TopicPosted ByDate
Interesting ARM compatibility shim for Windows 11Beastian2021/07/01 02:48 PM
  Interesting ARM compatibility shim for Windows 11Groo2021/07/01 03:44 PM
  Interesting ARM compatibility shim for Windows 11Doug S2021/07/01 08:20 PM
    Interesting ARM compatibility shim for Windows 11Mark Roulo2021/07/01 08:28 PM
      Interesting ARM compatibility shim for Windows 11Beastian2021/07/01 09:38 PM
        Interesting ARM compatibility shim for Windows 11Brett2021/07/02 02:45 AM
          Interesting ARM compatibility shim for Windows 11James2021/07/02 05:25 AM
          Interesting ARM compatibility shim for Windows 11dmcq2021/07/02 05:34 AM
          Interesting ARM compatibility shim for Windows 11Gabriele Svelto2021/07/02 09:02 AM
            Interesting ARM compatibility shim for Windows 11Kester L2021/07/02 09:33 AM
              Interesting ARM compatibility shim for Windows 11Jukka Larja2021/07/02 11:36 PM
                Interesting ARM compatibility shim for Windows 11Gabriele Svelto2021/07/03 05:37 AM
                  Interesting ARM compatibility shim for Windows 11Jukka Larja2021/07/03 10:38 AM
                    Interesting ARM compatibility shim for Windows 11Gabriele Svelto2021/07/03 02:07 PM
                Interesting ARM compatibility shim for Windows 11Kester L2021/07/06 07:48 AM
                  Interesting ARM compatibility shim for Windows 11Jukka Larja2021/07/06 10:46 PM
          Don't compare manufacturing unit cost with sales priceMark Roulo2021/07/02 10:07 AM
            Don't compare manufacturing unit cost with sales price---2021/07/02 11:22 AM
              Don't compare manufacturing unit cost with sales priceme2021/07/02 11:32 AM
              Don't compare manufacturing unit cost with sales priceDummond D. Slow2021/07/03 02:11 PM
          Interesting ARM compatibility shim for Windows 11anon2021/07/02 11:26 AM
            Interesting ARM compatibility shim for Windows 11Beastian2021/07/02 12:47 PM
              Interesting ARM compatibility shim for Windows 11Linus Torvalds2021/07/02 02:10 PM
                Optimized local call conventionsanon22021/07/02 07:49 PM
                  Optimized local call conventionsAdrian2021/07/02 10:03 PM
                    Optimized local call conventionsanon22021/07/03 12:10 AM
                      Optimized local call conventionsAdrian2021/07/03 10:04 PM
                  Optimized local call conventionsrwessel2021/07/02 11:44 PM
                    Optimized local call conventionsdmcq2021/07/03 01:47 PM
                  Optimized local call conventionsCarson2021/07/03 06:13 PM
                    Optimized local call conventionsanon22021/07/03 09:18 PM
                      Optimized local call conventionsCarson2021/07/04 01:23 PM
                Interesting ARM compatibility shim for Windows 11---2021/07/03 08:59 AM
                  Interesting ARM compatibility shim for Windows 11joema2021/07/03 10:37 AM
                    Interesting ARM compatibility shim for Windows 11Doug S2021/07/03 12:05 PM
                      Interesting ARM compatibility shim for Windows 11Linus Torvalds2021/07/03 12:26 PM
                        Interesting ARM compatibility shim for Windows 11Doug S2021/07/03 03:45 PM
                          Interesting ARM compatibility shim for Windows 11Michael S2021/07/03 04:54 PM
                          Interesting ARM compatibility shim for Windows 11-.-2021/07/04 06:57 AM
                            Interesting ARM compatibility shim for Windows 11---2021/07/04 09:25 AM
                            Interesting ARM compatibility shim for Windows 11Doug S2021/07/05 09:34 AM
                      Interesting ARM compatibility shim for Windows 11Foo_2021/07/04 02:25 AM
                        Interesting ARM compatibility shim for Windows 11Doug S2021/07/04 05:18 AM
                          Interesting ARM compatibility shim for Windows 11Jukka Larja2021/07/04 05:47 AM
                            Ongoing Windows 16 bit supportJames2021/07/05 02:17 AM
                              Ongoing Windows 16 bit supportgai2021/07/05 08:35 AM
                                Ongoing Windows 16 bit supportJukka Larja2021/07/05 11:11 PM
                          Interesting ARM compatibility shim for Windows 11Foo_2021/07/04 06:31 AM
                          Microsoft should drop x86 thinking...Dummond D. Slow2021/07/04 07:40 AM
                            Microsoft should drop x86 thinking...Doug S2021/07/05 09:56 AM
                              Microsoft should drop x86 thinking...Brett2021/07/05 01:47 PM
                                "DOOMED"Anon2021/07/06 01:01 AM
                                  "DOOMED"Michael S2021/07/06 03:15 AM
                                    "DOOMED"dmcq2021/07/06 04:08 AM
                                      "DOOMED"me2021/07/06 04:57 AM
                                      "DOOMED"Michael S2021/07/06 05:09 AM
                                        "DOOMED"Anon2021/07/06 05:50 AM
                                          "DOOMED"Michael S2021/07/06 06:29 AM
                                  "DOOMED"Doug S2021/07/06 08:41 AM
                                    "DOOMED"Jukka Larja2021/07/06 10:55 PM
                                      "DOOMED"Doug S2021/07/07 12:21 AM
                                Forgot about AMD?Chester2021/07/06 08:51 AM
                                dumb terminalsanonymous22021/07/06 10:51 AM
                              Microsoft should drop x86 thinking...Dummond D. Slow2021/07/06 06:40 AM
                  Interesting ARM compatibility - Procedure values?dmcq2021/07/04 03:49 AM
                    Interesting ARM compatibility - Procedure values?dmcq2021/07/04 04:18 AM
                      Interesting ARM compatibility - Procedure values?Etienne Lorrain2021/07/05 01:21 AM
                        Interesting ARM compatibility - Procedure values?dmcq2021/07/06 03:20 AM
                    Interesting ARM compatibility - Procedure values?---2021/07/04 09:42 AM
                      Interesting ARM compatibility - Procedure values?dmcq2021/07/04 02:44 PM
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