Benchmark (was: Re: Junior kernel hacking)

Jeremy Messenger mezz7 at cox.net
Wed Jan 14 20:10:08 PST 2004


On Wed, 14 Jan 2004 18:22:33 -0800, Matthew Dillon wrote:

> :I have run bytebench on a machine running FreeBSD 5.2 and
> :DragonFly (this is old hardware: dual PII @333MHz). I am going to
> :install FreeBSD 4.9 on a third slice to have another comparison
> :point. Here are the (surprizing) results:
> 
>     Hmm.  Well, while the numbers are impressive 5.x can't be
>     doing as bad as some of them indicate.  There must be some
>     basic differences that are causing some of these results.
> 
>     Be sure to compile 5.x without DIAGNOSTIC, INVARIANTS, 
>     or WITNESS.  Be sure that the kernel is being compiled -O.
>     Doubly be sure that WITNESS support is not on.  INVARIANTS 
>     and WITNESS *are* turned on in 5.x's GENERIC.

. ..and try to set '/etc/malloc.conf -> aj', I am not sure if it will make
the difference on benchmark..

Cheers,
Mezz

> 					-Matt
> 					Matthew Dillon 
> 					<dillon at xxxxxxxxxxxxx>

-- 
bsdforums.org 's moderator, mezz.






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