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Re: DP performance

From: Danial Thom <danial_thom@xxxxxxxxx>
Date: Mon, 28 Nov 2005 09:46:31 -0800 (PST)

--- Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>

> :It seems most of the banter for the past few
> :months is userland related. What is the state
> of
> :the kernel in terms of DP/MP kernel
> performance?
> :Has any work been done or is DFLY still in the
> :cleaning up stages? I'm still desparately
> seeking
> :a good reason to move to Dual-core processors
> :
> :DT
>     It's getting better but there is still a
> lot of work to do.  After
>     this upcoming release (middle of December)
> I intend to bring in Jeff's
>     parallel routing code and make the TCP and
> UDP protocol threads MP safe.
>     Even in its current state (and, in fact,
> even using the old FreeBSD 4.x
>     kernel's), you will reap major benefits on
> a dual-core cpu.  I have
>     been very impressed with AMD's Athlon X2 in
> these Shuttle XPC boxes,
>     despite having to buy a PCI GiGE ethernet
> card due to motherboard
>     issues.

What kind of "benefits" would be realized for
systems being used primary as a router/bridge,
given that its almost 100% kernel usage?


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