Subject: Re: copyin/out
To: Chris Gilbert <>
From: Jason R Thorpe <>
List: port-arm
Date: 08/09/2002 12:18:39
On Fri, Aug 09, 2002 at 08:03:07PM +0100, Chris Gilbert wrote:

 > Do you mean write-through? or does it bypass the cache.

Well, yes, bypass.  It has the same performance characteristics as

 > That's about the same gain I get on cats:
 > 1073741824 bytes transferred in 11.443 secs (93833944 bytes/sec)
 > 50% improvement is pretty good 8)

Yah, I'd say so :-)  If someone could test this on an ARM7, that'd
be great.  It may be faster, but I would settle for "not slower" :-)

(Does anyone want to donate a RiscPC to me? :-)

        -- Jason R. Thorpe <>