Subject: Re: more on performance of "make build" in -current vs. 1.5
To: Jason R Thorpe <thorpej@zembu.com>
From: Hubert Feyrer <hubert.feyrer@informatik.fh-regensburg.de>
List: tech-kern
Date: 02/19/2001 17:40:09
On Mon, 19 Feb 2001, Jason R Thorpe wrote:
>  >    1.5 32MB
>  >    3126.891u 596.892s 2:00:53.25 51.3%     0+0k 151929+207357io 25155pf+0w
>  >    
>  >    -current+balancing 32MB
>  >    3253.558u 723.490s 1:39:03.70 66.9%     0+0k 10687+30709io 14532pf+0w
...
>  > the question in my mind is why did it use up ~252 seconds more of
>  > actual CPU?  that seems not insignificant.  particular the system
>  > time has risen significantly.
> 
> Err.. you'll note that with UBC, it does significantly fewer I/O
> operations...

shouldn't this result in *less* CPU use (as no IO needs to be scheduled)?


 - Hubert

-- 
Hubert Feyrer <hubert.feyrer@informatik.fh-regensburg.de>