On Tue, Feb 28, 2006 at 09:21:39AM +0100, Dag Bakke wrote:
> Got both. Max throughput increased from ~605 Mbps with carefully tuned
> options to iperf, to ~650 Mbps with less carefully tuned options to iperf.
One other suggestion that might be worth testing: try comparing SMP and
UP kernels. I've been doing some profiling of the network stack which
shows that locked instructions carry a heavy penalty on the P4. Running
a non-SMP kernel through the hoops would give us an idea just how much
overhead this is causing.
-ben
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