Subject: Re: about powerpc version of in{,4}_cksum
To: None <port-powerpc@netbsd.org>
From: Matt Thomas <matt@3am-software.com>
List: port-powerpc
Date: 07/31/2002 20:44:12
At 11:07 AM 7/30/2002, Matt Thomas wrote:
>Well, for the G4 case I plan on getting a AltiVec implemention
>of in_cksum working shortly.

Well, I've written a such a beast and it tends to be 3 times
as fast as either the netinet or the powerpc version.  The cross
over point where AltiVec is faster seems to be about 32 bytes.

I have a few more things to clean up but it's looking very
promising.  I hope to check it in in a few days.

-- 
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
Cupertino, CA             Disclaimer: I avow all knowledge of this message