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Re: build speeds with current vs netbsd-4



2008/5/20 Simon Burge <simonb%netbsd.org@localhost>:
> While trying to track down a problem, I've been booting netbsd-4
> and -current on an 8 core amd64 box (dual quad-core).  I thought I'd
> test the time to build an i386 -j16 release with build.sh.  Both
> tests were done immediately after a reboot.
>
>  netbsd-4 building -current i386 release:
>  5905.500u 15390.524s 49:52.07 711.7%    0+0k 5209+1342018io  4820pf+0w
>
>  -current (4.99.62 from 20080513) building -current i386 release:
>  5363.027u  2573.479s 24:31.86 539.2%    0+0k 5254+ 452978io 55128pf+0w
>
> netbsd-4 is using GENERIC.MP
> -current is using GENERIC + options DEBUG/DIAGNOSTIC/KMEMSTATS
>
> Most impressive difference in results, especially the system CPU time
> component.  Looks like all the recent work that has been happening is
> really paying off!
>
> Cheers,
> Simon.
>

I wonder what the impact of DEBUG is.
Can you try once without DEBUG and DIAGNOSTIC ?

zafer.


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