lkml.org 
[lkml]   [2002]   [Jan]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: o(1) to the rescue
Date
On January 18, 2002 05:21 am, Helge Hafting wrote:
> Ed Tomlinson wrote:
> > Try this with and without the o(1) scheduler (J0).
> >
> > Create a dir full of 1 meg or so jpegs. Fire up kde. Try using the
> > Tools/Create image gallery.
> > With the standard scheduler linux is unusable - it stalls for most of the
> > processing time for
> > each image. With o(1) its just a little jerky - still usable though (a
> > gallery is building as I
> > type this).
>
> I guess this thing starts a thread per image? That would
> give a lot of _running_ processes, which is exactly what
> the O(1) scheduler improves.

No. Just one thread running. I think its the fact that o(1) detects when
a task is no longer interactive. KDE is normally very interactive, when
building a gallery parts of it are not. o(1) detect this and adjusts itself.

This is on a UP K6-III 400 with 512M memory.

Ed Tomlinson
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:15    [W:0.046 / U:0.544 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site