Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Peter Jeremy <peterjeremy@xxxxxxxxxxxxxxxx>
- Date: Fri, 19 Jan 2007 05:46:50 +1100
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
Attachment:
pgps0nHhuGKnG.pgp
Description: PGP signature
- Follow-Ups:
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Bruce Evans
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- References:
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Nick Evans
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Kip Macy
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Ivan Voras
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Kip Macy
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Ivan Voras
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Attilio Rao
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Maxim Sobolev
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Attilio Rao
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Matthew Dillon
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- From: Bruce Evans
- Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- Prev by Date: Re: [RFC] mount(8) can figure out fstype
- Next by Date: Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- Previous by thread: Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- Next by thread: Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs
- Index(es):
Relevant Pages
|