Subject: Re: PostgreSQL
To: None <tech-perform@NetBSD.org, tech-misc@NetBSD.org,>
From: Ignatios Souvatzis <is@netbsd.org>
List: tech-misc
Date: 02/02/2006 15:42:18
On Thu, Feb 02, 2006 at 02:35:29PM +0100, Johnny Billquist wrote:
> How could it do that? A write is a write is a write.
> One write is one bus cycle. It's always aligned, and the full width of 
> the bus. Otherwise we're talking about the CPU doing a non-aligned 
> write,

m68k and i386 and vax (at least) do that in hardware.


> which is a read-modify-write.

No, because you can write byte-lanes independently.

	-is