Date: Fri, 31 Dec 1999 21:03:57 -0800 From: R Joseph Wright <rjoseph@nwlink.com> Cc: freebsd-questions@FreeBSD.org Subject: Re: some performance issues Message-ID: <386D8ABD.C2894A91@nwlink.com> References: <386C023E.680FC31@inna.net> <386C0676.F39EC477@3-cities.com> <386C2354.ABD1ED54@nwlink.com> <386C3173.1D695393@3-cities.com> <386C543D.6E59C9DF@nwlink.com> <19991231104441.C2609@emu.sourcee.com> <386CE8AB.29A140B5@nwlink.com> <386CF9DC.B71A9887@3-cities.com> <386D3D3C.C92D02A3@nwlink.com> <386D5C88.B8257D45@3-cities.com>
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> > I recompiled my kernel and changed the flags from 0x80ff80ff to
> > 0xa0ffa0ff. What is a good program to use to see if I can really tell a
> > difference? I tried out some of my bigger programs like star office and
> > gimp. Star Office still took a little while to load, gimp seemed to fly
> > (when it wasn't crashing).
>
> I use "iozone -s 160m" because I have 128MB of memory. The size of the
> file needs to be larger than memory so you aren't benchmarking the
> cache. You can find it in the packages/benchmark area of the CDROM.
>
> Kent
Kent, I tried that, only for me it worked doing "iozone 160". Here is
my results:
11483869 bytes/second for reading
15155142 bytes/second for writing
Is that really slow? It's nowhere near 33MB/second. I have a Maxtor
7000rpm with UDMA66 capabilities, although I'll have to wait for -STABLE
to support that, and a new motherboard as well. I may recompile with
the old flags just to see the difference.
Happy New Year (why am I sitting at this computer 8-) )!
Joseph
--
You will do foolish things,
but do them with enthusiasm. Colette.
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