RE: Visual Workstation

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Wilson, Mark A (mark.a.wilson++at++lmco.com)
Thu, 07 Jan 1999 16:44:10 -0500

You can always go to Linux RT. It's no R10K but performance looks pretty
reasonable for a PC.

> -----Original Message-----
> From: Angus Dorbie [SMTP:dorbie++at++sgi.com]
> Sent: Thursday, January 07, 1999 4:06 PM
> To: Alejandro Saez
> Cc: info-performer++at++sgi.com
> Subject: Re: Visual Workstation
>
> Alejandro Saez wrote:
> >
> > Thers is something I've been wondering about, and since I've haven't
> seen the
> > Vega NT wrapper and it is somehow related to this... well here it goes:
> >
> > How does NT handle the real-time aspects of demanding visual
> simulations? I
> > mean I've used NT and Win95 and the OS's scheduling is pretty lame, even
> for
> > productivity applications. Open a file, and there goes
> interactivity...so
> > although this issue has to do with the OS rather than Performer or some
> other
> > API, it still puzzles me how can such an OS do real-time sim. This is
> not a
> > critic, it is a question.
> >
>
> It doesn't. Even Microsofts claims of Real-Time for pending Windows CE
> releases (for embedded systems) are largely greeted with ultra
> skepticism in those markets. It's not really relevant to talk about what
> happens when you read a big file from disk on a single CPU desktop.
>
> The idea will be that you can do some form of 'soft' real-time on
> windows, ie it get's you there most of the time but don't bet your life
> on it. Stuff like interrupt response times and jitter in really fast or
> accurate timing loops will ofcourse blow chunks. Heck there isn't even
> processor lockdown there. The windows cupboard is pretty bare when it
> comes to Real-Time. That might improve but you'll want to look at 3rd
> party tools for NT.
>
> Cheers,Angus.
>
> --
> "Only the mediocre are always at their best." -- Jean Giraudoux
>
> For advanced 3D graphics Performer + OpenGL based examples and tutors:
> http://www.dorbie.com/
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