Randall Stewart wrote:
Mike Silbersack wrote:
On Fri, 29 Sep 2006, Andre Oppermann wrote:
over it an copies the data into the mbufs by using uiomove().
sosend_dgram()
and sosend_generic() are change to use m_uiotombuf() instead of
sosend_copyin().
Can you do some UDP testing with 512b, 1K, 2K, 4K, 8K, and 16K packets to
see if performance changes there as well?
Hmm.. I would think 512b and 1K will not show any
improvement.. since they would probably end up either
in an mbuf chain.. or a single 2k (or maybe 4k) cluster..
... quite a waste.. now if we had 512b and 1k clusters that
would be cool...
In fact I have always thought we should:
a) have no data portion in an mbuf.. just pointers i.e. always
an EXT
b) Have a 256/512 and 1k cluster too..
This would allow copy by reference no matter what size si
being sent...
But of course .. thats just me :-)
Well, people tell me to "profile, not speculate". So I'm doing it
now with quite some success. Lets file your little rant here into
the same category. ;-)
--
Andre
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