> Thanks Matt. had a google but there doesn't seem to be much definitive
> info out there. i'd wager for large message sizes a unix socket should
> be quite a bit faster but if sending lots of small messages, you
> probably won't see a whole lot of difference.

> Justin, the best way to answer a question like this is to do the
> testing yourself based on the system/environment you are optimizing
> for. There's no way to give a definitive general answer to your
> question.

> anyway, i'll see what kind of benchmark i can throw together - i'm
> more interested in the cost of serialization differences myself.

> On Apr 28, 1:44 am, Matt <hel...@gmail.com> wrote:

> > On Wed, Apr 27, 2011 at 8:19 PM, billywhizz <apjohn...@gmail.com> wrote:
> > > does TCP over loopback on linux really not hit the network stack?
> > > doesn't it do packet framing, checksums and protocol handshakes etc? i
> > > can't find any reference to this, so if you have one, please let me
> > > know.

> > AFAIK it's optimised to not go through the network driver layer (so it still
> > goes through parts of the stack, but is optimised so that it doesn't have to
> > talk to hardware). But this is just a memory from when I used to read the
> > Kernel change logs years and years ago.  I can't find any reference to it
> > online now.

> > Matt.