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Re: Great code

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On Sat, 27 Jun 2026 16:53:56 -0400
Paul <nospam@needed.invalid> wrote:

> On Sat, 6/27/2026 2:28 PM, Michael S wrote:
> > 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" ?  
> 
> Runfirst was written years ago, like maybe WinXP era.
> Some of the other (convenience) methods, did not exist at the time.
> 
>    Paul
> 
> 


I think that 'start /affinity' existed in WinXp and I would be surprised
if it didn't exist much earlier.

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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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