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Re: Great code

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On Sat, 27 Jun 2026 07:20:17 -0400
Paul <nospam@needed.invalid> wrote:

> On Tue, 6/16/2026 3:39 AM, Lawrence D’Oliveiro wrote:
> > On Mon, 15 Jun 2026 11:10:46 +0200, Bonita Montero wrote:
> >   
> >> I've written a tool called "bg" to combine Windows' runas with
> >> start.  
> > 
> > Sort of a Windows answer to systemd? Somebody is already working on
> > that <https://github.com/Jamesits/SvcGuest>.
> >   
> >> One parameter is the affinity-mask for the processors which the
> >> started program is attached to.  
> > 
> > They haven’t yet added that capability (which systemd has). Perhaps
> > you could contribute code ...
> >   
> 
> Windows has had third-party launch tools for some time.
> One of the situations where this was encountered, was
> some games would not "tolerate" dual core computers, and
> the EXE cooked up at the time could fix that for you,
> without resorting to Task Manager to do it from there.
> 
> You can see here, that generally speaking, there is a way to do it.
> 
>    https://superuser.com/questions/309617/how-to-limit-a-process-to-a-single-cpu-core
> 
> And this is the utility I was thinking of, RunFirst. What this does,
> is it doesn't provide arbitrary single-core affinity, it's for
> running games on CPU0, and relying upon the scheduler to move other
> tasks to CPU1. The purpose of RunFirst, is to prevent games from
> crashing that do not handle the CPU core issue properly. It makes the
> game "think" it is on a single core CPU. If the game were to check,
> it reads CPU0, and the game is then satisfied that not only does it
> have one core, the one core is numbered CPU0.
> 
> https://www.vogons.org/viewtopic.php?t=31541
> 
>    C:\Windows\System32\RunFirst.exe   "C:\Program
> Files\GOG.com\Divine Divinity\Div.exe"
> 
>   Paul

How does it differ from "start /affinity 1 div.exe" ?

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Great code Bonita Montero <Bonita.Montero@gmail.com> - 2026-06-15 11:10 +0200
  Re: Great code Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-16 07:39 +0000
    Re: Great code Bonita Montero <Bonita.Montero@gmail.com> - 2026-06-16 09:57 +0200
    Re: Great code Paul <nospam@needed.invalid> - 2026-06-27 07:20 -0400
      Re: Great code Michael S <already5chosen@yahoo.com> - 2026-06-27 21:28 +0300
        Re: Great code Paul <nospam@needed.invalid> - 2026-06-27 16:53 -0400
          Re: Great code Michael S <already5chosen@yahoo.com> - 2026-06-28 02:07 +0300
            Re: Great code "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-06-27 22:02 -0700

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