Re: [Sipp-users] New Patch Set with Significant Network I/O Improvements

2007-03-23 Thread Yusong Wang
Hey, Everyone, Now I am trying to use sipp to stress test our sip server, but the problem is that sipp seems only support several thousand (more exactly, less than 5000 thousand) concurrent tcp calls with each machine. The machine running sipp is Intel(R) Xeon(TM) CPU 3.00GHz with 2G byte

Re: [Sipp-users] New Patch Set with Significant Network I/O Improvements

2007-03-23 Thread Charles P Wright
Carl, In general, I believe that SIPp is mostly CPU limited. You could try reducing the frequency of the clock ticks, to reduce CPU utilization, but that may cause other problems (e.g., increased burstiness). We have found that to generate high loads, you will need to use more than one

Re: [Sipp-users] New Patch Set with Significant Network I/O Improvements

2007-03-15 Thread Charles P Wright
Olivier, That sounds like a good idea, there have been lots of bug fixes, etc. since then and getting the new code into the hands of more users would be great. The extensive changes are limited to iomodel.diff, the rest of them are pretty simple. Unfortunately, there was no good way to break