Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs

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.  128
>>     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?

-- 
Peter Jeremy