Date: Fri, 2 Jun 1995 14:26:32 -0400 (EDT) From: Charles Henrich <henrich@crh.cl.msu.edu> To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes) Cc: henrich@crh.cl.msu.edu, freebsd-hackers@freebsd.org Subject: Re: A performance mystery Message-ID: <199506021826.LAA23909@freefall.cdrom.com> In-Reply-To: <199506021824.LAA07817@gndrsh.aac.dev.com> from "Rodney W. Grimes" at Jun 2, 95 11:24:45 am
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> Okay, try a memory bandwidth benchmark to see if we have something there
> that is grossly different. A quick and easy bcopy test is to run iozone
> that does not remove the temp file on a 1/4 memory size file repeatedly,
> that should hit the buffer cache totatally and give us ~ bcopy rates.
The ram-speed test posted here a couple of weeks ago gives:
Micon: 10mb/20mb
Compaq: 10mb/7mb
-Crh
Charles Henrich Michigan State University henrich@crh.cl.msu.edu
http://rs560.msu.edu/~henrich/
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