other tests with dragonfly

Justin Sherrill justin at shiningsilence.com
Sat May 3 11:49:30 PDT 2014

For what it's worth, Sepherosa Ziehau has been putting a lot of work into
reducing CPU use on high-bandwidth connections:



On Sat, May 3, 2014 at 6:54 AM, Wojciech Puchar <
wojtek at wojtek.tensor.gdynia.pl> wrote:

> as my friend advised me, i did flood test - generated lots of random UDP
> packets with size between 52 and 100 bytes.
> Actually low end ethernet card in my laptop was a limit (rl), but compared
> FreeBSD 10 with custom kernel and dragonfly 3.6 with generic kernel (that
> have diagnostics check compiled by default).
> dragonfly used about 3 times less CPU.
> no tests on gigabit or 10 gigabit ethernet and multicore machine for now.
> quite good.
> CPU load on more normal cases (like transfering files using rcp) is lower
> too, but difference is smaller like 1.5-2 times.
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