Subject: Re: more on performance of "make build" in -current vs. 1.5
To: matthew green <mrg@eterna.com.au>
From: Chuck Silvers <chuq@chuq.com>
List: tech-kern
Date: 02/18/2001 19:43:09
I don't know yet where the extra system time is going, I still need to
look into that.  and the increased user time isn't good either.
we need to look into reducing cpu cache and TLB usage.

-Chuck


On Mon, Feb 19, 2001 at 01:04:08PM +1100, matthew green 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
> 
> 
> wow, this is quite impressive.
> 
> 
> 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.
> 
> 
> 
> .mrg.