[cod] Problem with base Base Assault CPU load

[Steven Hartland]

Thanks for the update there Ryan.

I think its worth pointing out to Gray Matter and the publishers
( aka the powers that be ) that these sorts of things are easily
spotted by people that run servers day in day out due to the
fact we have the procedures in place that monitor these types
of thing and will often catch things their internal testing doesn't.

Hence it we where in the loop earlier this could have been flagged
as and issue a eliminated before release saving everyone time
and heartache.

This as well as the segv issue is a prime example of how the
server community can help raise quality level of their products,
simply by a bit of cooperation. I know you must have mentioned
this to them a million times but with a concrete example sitting
in front of them maybe just maybe they will pay attention next time.

Again thanks a million for all you have done.

    Steve / K

----- Original Message ----- 
From: "Ryan C. Gordon" <icculus at clutteredmind.org>

> I looked into the CPU load issues in COD:UO.
> 
> The basic gist of the problem is that it seems to do the calculations
> (specifically, the "trace" through the world) for each vehicle several
> times per frame (multiplied by the number of wheels, to boot!). So the
> more vehicles you've got, and, to a lesser degree, the more complex the
> map, the higher your CPU load will go.
> 
> My impression is that a lot of this redundant calculation can be cut
> out, but I'm not really in a position to say which parts are safe to
> omit. It's not really even practical to assume that "if the vehicle
> isn't being driven, don't bother to update", since external factors can
> push them, apparently. Ideally, we can find a way to flag vehicles as
> "need updating" so that we only have to run the trace once when needed
> and not even once per frame, but again, this is not really my expertise,
> so I'll defer to Gray Matter on the issue.
> 
> The temporary, but not entirely practical fix is to disable vehicles if
> your server can't handle the load. I'll discuss with Gray Matter what
> the best course of action is to fix this. This isn't a Linux-specific
> problem.
> 
> I don't believe this is related to the gametype or really the map itself
> except that some games will favor vehicle warfare more than others.
> 
> More news when I have it.



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