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Date: Fri, 19 Jan 2007 05:46:50 +1100
From: Peter Jeremy <peterjeremy@optushome.com.au>
To: Bruce Evans <bde@zeta.org.au>
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Cc: Maxim Sobolev <sobomax@freebsd.org>, Ivan Voras <ivoras@fer.hr>,
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Subject: Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
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On Thu, 2007-Jan-18 18:03:20 +1100, Bruce Evans wrote:
>On Wed, 17 Jan 2007, Matthew Dillon wrote:
>>     Alignment is critical.  If the data is not aligned, don't bother.  1=
28
>>     bits means 16 byte alignment.
>
>The above benchmark output is for aligned data :-).  I don't try hard to
>optimize or benchmark misaligned cases.

How realistic is this?  Has anyone collected statistics on the size and
alignment of bzero/bcopy calls?  How much of the time is the size known
at compile time?

--=20
Peter Jeremy

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