it's the output, not ack coalescing (Re: TSO and FreeBSD vs Linux)

[Vijay Singh]

Barney, did you get picked on a lot as a kid? Wonder why you're so caustic and negative all the time?

Sent from my iPhone

On Aug 18, 2013, at 11:39 AM, Barney Cordoba <barney_cordoba at yahoo.com> wrote:

> Great. Never has the been a better explanation for the word Kludge than netmap.
> 
> 
> ________________________________
> From: Adrian Chadd <adrian at freebsd.org>
> To: Jim Thompson <jim at netgate.com> 
> Cc: Barney Cordoba <barney_cordoba at yahoo.com>; FreeBSD Net <net at freebsd.org>; Luigi Rizzo <rizzo at iet.unipi.it>; Lawrence Stewart <lstewart at freebsd.org> 
> Sent: Sunday, August 18, 2013 11:57 AM
> Subject: Re: it's the output, not ack coalescing (Re: TSO and FreeBSD vs Linux)
> 
> 
> Right. Well, post some profiling data, let's figure this out sometime.
> 
> Luigi can do bridging with 2 cores using netmap. So it's technically
> possible. There's just a lot of kernel gunk in the way of doing it ye olde
> way.
> 
> 
> 
> -adrian
> 
> 
> On 18 August 2013 07:25, Jim Thompson <jim at netgate.com> wrote:
> 
>> 
>> On Aug 18, 2013, at 8:48 AM, Barney Cordoba <barney_cordoba at yahoo.com>
>> wrote:
>> 
>>> I could fill a tx queue with 10gb of traffic with  yesteryear's cpus.
>> It's not an achievement. Being able to bridge
>>> real traffic at 10gb/s with 2 cores is
>> 
>> Or forward at layer 3.
>> 
>> Or filter packets.
>> 
>> Or IPSEC.
>> 
>> Or...
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