[Opensim-users] Is hyperthreading useful in an OpenSim server?

[Erik Gordon Bainbridge]

I'm planning to build a new server for my grid and am wondering whether the virtual cores provided by hyperthreading (i7, some Xeons) are an advantage in an OpenSim server over a non-hyperthreaded CPU (i5, most Xeons)?  

My current server's i7 CPU has hyperthreading. I would like to test its effect on performance by disabling and enabling hyperthreading in the BIOS. Is there a more accurate way to test than using viewer fps and statistics?  I'm currently running OpenSim 0.7.6 on OpenSUSE Linux (I will upgrade soon to the latest OpenSim).

I've considered dual Xeons, but power consumption is a problem. If a non-hyperthreaded CPU performs as well or close to one that's hyperthreaded, then I might get a dual socket motherboard but wait to buy the second Xeon until my grid expands (it's possible to use a single CPU on at least some dual socket Supermicro boards).

Thanks!  I appreciate any advice.


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