Date: Wed, 23 Mar 2005 19:05:59 -0700 From: Nick Pavlica <linicks@gmail.com> To: Boris Spirialitious <hardcodeharry@yahoo.com> Cc: freebsd-questions@freebsd.org Subject: Re: AMD64 much slower than i386 on FreeBSD 5.4-pre Message-ID: <dc9ba044050323180570d7c3d1@mail.gmail.com> In-Reply-To: <20050323163927.94815.qmail@web90210.mail.scd.yahoo.com> References: <20050323163927.94815.qmail@web90210.mail.scd.yahoo.com>
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Hi Boris,
I haven't had an opportunity to work with any AMD64 hardware yet,
but have had good results with 5.4.? on i686. I can relate to your
frustration, but can say that I was able to greatly improve 5.x
performance with some effort. For example I went from a maximum
sustained disk write of 15Mb/s to 90Mb/s on a file server. That said,
to help you get a better response to your question I would suggest
trying these things:
- Document and post your testing procedures and results. This will
allow others to get a much clearer picture of what may be happening.
As I'm sure you know support via e-mail is very difficult because
there is so much information that is missing.
- You may want to try the performance list if you don't get any
answers from this list.
- File a problem report so that the developers are aware of your
situation. I don't think that they spend allot of time on this list.
(http://www.freebsd.org/doc/en_US.ISO8859-1/articles/problem-reports/index.html)
I hope this helps!
--Nick
What optimizations have you done to this point?
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