lkml.org 
[lkml]   [2004]   [Feb]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: reaim - 2.6.3-mm1 IO performance down.
Date
From
> cliff white <cliffw@osdl.org> wrote:
> >
> > For the same test on the same machine, results from 2.6.2-rc1-mm2 and 2.6.2
> -rc3-mm1
> > were within 1.0% of the linux-2.6.2 runs. So this is new.
> >
> > More data and tests if requested - are there some patch sets we should try
> reverting?
>
> Thanks. You could try reverting adaptive-lazy-readahead.patch. If it is
> not that I'd be suspecting CPU scheduler changes. Do you have uniprocessor
> test results?

adaptive-lazy-readahead reverted, not really much change here:
Kernel Users JPM Run Time
2.6.3 60 10327.87 34.16 seconds
2.6.3-mm1 60 8279.75 42.61 seconds
2.6.3-mm1-noalr 60 7731.76 45.63 seconds

2.6.3 80 10275.23 45.78 seconds
2.6.3-mm1 80 7841.31 59.99 seconds
2.6.3-mm1-noalr 80 8565.19 54.92 seconds

Full details, reaim tarball:
http://developer.osdl.org/cliffw

cliffw


>
>
> -
> 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/
>
-
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 14:01    [W:0.049 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site