localhost network processing on smp machines

2007-11-05 Thread Matthew Faulkner
I'm probably being stupid and very confused here. Appologies if it is a stupid question. For a particular test I assign a client to core 1 and a server to core 0. My first assumption was all the sending side kernel TCP/IP processing will be done on core 1 and all the receiving side processing on c

Re: Throughput Bug?

2007-10-19 Thread Matthew Faulkner
print to screen passthru('sleep 5'); // sleep $MESSAGE += $ADD; $MESSAGE *= $MULT; } } ?> On 19/10/2007, Bill Fink <[EMAIL PROTECTED]> wrote: > On Thu, 18 Oct 2007, Matthew Faulkner wrote: > > &

Throughput Bug?

2007-10-18 Thread Matthew Faulkner
Hey all I'm using netperf to perform TCP throughput tests via the localhost interface. This is being done on a SMP machine. I'm forcing the netperf server and client to run on the same core. However, for any packet sizes below 523 the throughput is much lower compared to the throughput when the pa