On Thu, 3 Jun 2010, George Neville-Neil wrote:
For what it's worth I checked the assembly for both versions as well. The bzero
version does not inline, as you said, and the original does do a move of
0 for each and every field, again on Nehalem with our default version of
gcc.
I think that for
On Jun 3, 2010, at 04:45 , Bruce Evans wrote:
>
> On Wed, 2 Jun 2010, George Neville-Neil wrote:
>
>> A while back another src developer mentioned that he had gotten better
>> performance by changing
>> tcpip_fillheaders() in the following way:
>
> It's unlikely to make any significant or even
On Wed, 2 Jun 2010, George Neville-Neil wrote:
A while back another src developer mentioned that he had gotten better
performance by changing
tcpip_fillheaders() in the following way:
It's unlikely to make any significant or even measurable difference,
but... I got apparent large (up to 20%)
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
On 2010/06/02 15:09, George Neville-Neil wrote:
> Howdy,
>
> A while back another src developer mentioned that he had gotten better
> performance by changing
> tcpip_fillheaders() in the following way:
[...]
> I have tried this change with NetPIPE